http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9dfe3cd8/devapidocs/src-html/org/apache/hadoop/hbase/io/HFileLink.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/io/HFileLink.html b/devapidocs/src-html/org/apache/hadoop/hbase/io/HFileLink.html index eb2b4cd..c2153d8 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/io/HFileLink.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/io/HFileLink.html @@ -72,468 +72,469 @@ <span class="sourceLineNo">064</span> * The HFileLink describe a link to an hfile in a different table/region<a name="line.64"></a> <span class="sourceLineNo">065</span> * and the name is in the form: table=region-hfile.<a name="line.65"></a> <span class="sourceLineNo">066</span> * <p><a name="line.66"></a> -<span class="sourceLineNo">067</span> * Table name is ([a-zA-Z_0-9][a-zA-Z_0-9.-]*), so '=' is an invalid character for the table name.<a name="line.67"></a> -<span class="sourceLineNo">068</span> * Region name is ([a-f0-9]+), so '-' is an invalid character for the region name.<a name="line.68"></a> -<span class="sourceLineNo">069</span> * HFile is ([0-9a-f]+(?:_SeqId_[0-9]+_)?) covering the plain hfiles (uuid)<a name="line.69"></a> -<span class="sourceLineNo">070</span> * and the bulk loaded (_SeqId_[0-9]+_) hfiles.<a name="line.70"></a> -<span class="sourceLineNo">071</span> */<a name="line.71"></a> -<span class="sourceLineNo">072</span> public static final String LINK_NAME_REGEX =<a name="line.72"></a> -<span class="sourceLineNo">073</span> String.format("(?:(?:%s=)?)%s=%s-%s",<a name="line.73"></a> -<span class="sourceLineNo">074</span> TableName.VALID_NAMESPACE_REGEX, TableName.VALID_TABLE_QUALIFIER_REGEX,<a name="line.74"></a> -<span class="sourceLineNo">075</span> HRegionInfo.ENCODED_REGION_NAME_REGEX, StoreFileInfo.HFILE_NAME_REGEX);<a name="line.75"></a> -<span class="sourceLineNo">076</span><a name="line.76"></a> -<span class="sourceLineNo">077</span> /** Define the HFile Link name parser in the form of: table=region-hfile */<a name="line.77"></a> -<span class="sourceLineNo">078</span> //made package private for testing<a name="line.78"></a> -<span class="sourceLineNo">079</span> static final Pattern LINK_NAME_PATTERN =<a name="line.79"></a> -<span class="sourceLineNo">080</span> Pattern.compile(String.format("^(?:(%s)(?:\\=))?(%s)=(%s)-(%s)$",<a name="line.80"></a> -<span class="sourceLineNo">081</span> TableName.VALID_NAMESPACE_REGEX, TableName.VALID_TABLE_QUALIFIER_REGEX,<a name="line.81"></a> -<span class="sourceLineNo">082</span> HRegionInfo.ENCODED_REGION_NAME_REGEX, StoreFileInfo.HFILE_NAME_REGEX));<a name="line.82"></a> -<span class="sourceLineNo">083</span><a name="line.83"></a> -<span class="sourceLineNo">084</span> /**<a name="line.84"></a> -<span class="sourceLineNo">085</span> * The pattern should be used for hfile and reference links<a name="line.85"></a> -<span class="sourceLineNo">086</span> * that can be found in /hbase/table/region/family/<a name="line.86"></a> -<span class="sourceLineNo">087</span> */<a name="line.87"></a> -<span class="sourceLineNo">088</span> private static final Pattern REF_OR_HFILE_LINK_PATTERN =<a name="line.88"></a> -<span class="sourceLineNo">089</span> Pattern.compile(String.format("^(?:(%s)(?:=))?(%s)=(%s)-(.+)$",<a name="line.89"></a> -<span class="sourceLineNo">090</span> TableName.VALID_NAMESPACE_REGEX, TableName.VALID_TABLE_QUALIFIER_REGEX,<a name="line.90"></a> -<span class="sourceLineNo">091</span> HRegionInfo.ENCODED_REGION_NAME_REGEX));<a name="line.91"></a> -<span class="sourceLineNo">092</span><a name="line.92"></a> -<span class="sourceLineNo">093</span> private final Path archivePath;<a name="line.93"></a> -<span class="sourceLineNo">094</span> private final Path originPath;<a name="line.94"></a> -<span class="sourceLineNo">095</span> private final Path mobPath;<a name="line.95"></a> -<span class="sourceLineNo">096</span> private final Path tempPath;<a name="line.96"></a> -<span class="sourceLineNo">097</span><a name="line.97"></a> -<span class="sourceLineNo">098</span> /**<a name="line.98"></a> -<span class="sourceLineNo">099</span> * Dead simple hfile link constructor<a name="line.99"></a> -<span class="sourceLineNo">100</span> */<a name="line.100"></a> -<span class="sourceLineNo">101</span> public HFileLink(final Path originPath, final Path tempPath, final Path mobPath,<a name="line.101"></a> -<span class="sourceLineNo">102</span> final Path archivePath) {<a name="line.102"></a> -<span class="sourceLineNo">103</span> this.tempPath = tempPath;<a name="line.103"></a> -<span class="sourceLineNo">104</span> this.originPath = originPath;<a name="line.104"></a> -<span class="sourceLineNo">105</span> this.mobPath = mobPath;<a name="line.105"></a> -<span class="sourceLineNo">106</span> this.archivePath = archivePath;<a name="line.106"></a> -<span class="sourceLineNo">107</span> setLocations(originPath, tempPath, mobPath, archivePath);<a name="line.107"></a> -<span class="sourceLineNo">108</span> }<a name="line.108"></a> -<span class="sourceLineNo">109</span><a name="line.109"></a> +<span class="sourceLineNo">067</span> * Table name is ([\p{IsAlphabetic}\p{Digit}][\p{IsAlphabetic}\p{Digit}.-]*), so '=' is an invalid<a name="line.67"></a> +<span class="sourceLineNo">068</span> * character for the table name.<a name="line.68"></a> +<span class="sourceLineNo">069</span> * Region name is ([a-f0-9]+), so '-' is an invalid character for the region name.<a name="line.69"></a> +<span class="sourceLineNo">070</span> * HFile is ([0-9a-f]+(?:_SeqId_[0-9]+_)?) covering the plain hfiles (uuid)<a name="line.70"></a> +<span class="sourceLineNo">071</span> * and the bulk loaded (_SeqId_[0-9]+_) hfiles.<a name="line.71"></a> +<span class="sourceLineNo">072</span> */<a name="line.72"></a> +<span class="sourceLineNo">073</span> public static final String LINK_NAME_REGEX =<a name="line.73"></a> +<span class="sourceLineNo">074</span> String.format("(?:(?:%s=)?)%s=%s-%s",<a name="line.74"></a> +<span class="sourceLineNo">075</span> TableName.VALID_NAMESPACE_REGEX, TableName.VALID_TABLE_QUALIFIER_REGEX,<a name="line.75"></a> +<span class="sourceLineNo">076</span> HRegionInfo.ENCODED_REGION_NAME_REGEX, StoreFileInfo.HFILE_NAME_REGEX);<a name="line.76"></a> +<span class="sourceLineNo">077</span><a name="line.77"></a> +<span class="sourceLineNo">078</span> /** Define the HFile Link name parser in the form of: table=region-hfile */<a name="line.78"></a> +<span class="sourceLineNo">079</span> //made package private for testing<a name="line.79"></a> +<span class="sourceLineNo">080</span> static final Pattern LINK_NAME_PATTERN =<a name="line.80"></a> +<span class="sourceLineNo">081</span> Pattern.compile(String.format("^(?:(%s)(?:\\=))?(%s)=(%s)-(%s)$",<a name="line.81"></a> +<span class="sourceLineNo">082</span> TableName.VALID_NAMESPACE_REGEX, TableName.VALID_TABLE_QUALIFIER_REGEX,<a name="line.82"></a> +<span class="sourceLineNo">083</span> HRegionInfo.ENCODED_REGION_NAME_REGEX, StoreFileInfo.HFILE_NAME_REGEX));<a name="line.83"></a> +<span class="sourceLineNo">084</span><a name="line.84"></a> +<span class="sourceLineNo">085</span> /**<a name="line.85"></a> +<span class="sourceLineNo">086</span> * The pattern should be used for hfile and reference links<a name="line.86"></a> +<span class="sourceLineNo">087</span> * that can be found in /hbase/table/region/family/<a name="line.87"></a> +<span class="sourceLineNo">088</span> */<a name="line.88"></a> +<span class="sourceLineNo">089</span> private static final Pattern REF_OR_HFILE_LINK_PATTERN =<a name="line.89"></a> +<span class="sourceLineNo">090</span> Pattern.compile(String.format("^(?:(%s)(?:=))?(%s)=(%s)-(.+)$",<a name="line.90"></a> +<span class="sourceLineNo">091</span> TableName.VALID_NAMESPACE_REGEX, TableName.VALID_TABLE_QUALIFIER_REGEX,<a name="line.91"></a> +<span class="sourceLineNo">092</span> HRegionInfo.ENCODED_REGION_NAME_REGEX));<a name="line.92"></a> +<span class="sourceLineNo">093</span><a name="line.93"></a> +<span class="sourceLineNo">094</span> private final Path archivePath;<a name="line.94"></a> +<span class="sourceLineNo">095</span> private final Path originPath;<a name="line.95"></a> +<span class="sourceLineNo">096</span> private final Path mobPath;<a name="line.96"></a> +<span class="sourceLineNo">097</span> private final Path tempPath;<a name="line.97"></a> +<span class="sourceLineNo">098</span><a name="line.98"></a> +<span class="sourceLineNo">099</span> /**<a name="line.99"></a> +<span class="sourceLineNo">100</span> * Dead simple hfile link constructor<a name="line.100"></a> +<span class="sourceLineNo">101</span> */<a name="line.101"></a> +<span class="sourceLineNo">102</span> public HFileLink(final Path originPath, final Path tempPath, final Path mobPath,<a name="line.102"></a> +<span class="sourceLineNo">103</span> final Path archivePath) {<a name="line.103"></a> +<span class="sourceLineNo">104</span> this.tempPath = tempPath;<a name="line.104"></a> +<span class="sourceLineNo">105</span> this.originPath = originPath;<a name="line.105"></a> +<span class="sourceLineNo">106</span> this.mobPath = mobPath;<a name="line.106"></a> +<span class="sourceLineNo">107</span> this.archivePath = archivePath;<a name="line.107"></a> +<span class="sourceLineNo">108</span> setLocations(originPath, tempPath, mobPath, archivePath);<a name="line.108"></a> +<span class="sourceLineNo">109</span> }<a name="line.109"></a> <span class="sourceLineNo">110</span><a name="line.110"></a> -<span class="sourceLineNo">111</span> /**<a name="line.111"></a> -<span class="sourceLineNo">112</span> * @param conf {@link Configuration} from which to extract specific archive locations<a name="line.112"></a> -<span class="sourceLineNo">113</span> * @param hFileLinkPattern The path ending with a HFileLink pattern. (table=region-hfile)<a name="line.113"></a> -<span class="sourceLineNo">114</span> * @throws IOException on unexpected error.<a name="line.114"></a> -<span class="sourceLineNo">115</span> */<a name="line.115"></a> -<span class="sourceLineNo">116</span> public static final HFileLink buildFromHFileLinkPattern(Configuration conf, Path hFileLinkPattern)<a name="line.116"></a> -<span class="sourceLineNo">117</span> throws IOException {<a name="line.117"></a> -<span class="sourceLineNo">118</span> return buildFromHFileLinkPattern(FSUtils.getRootDir(conf),<a name="line.118"></a> -<span class="sourceLineNo">119</span> HFileArchiveUtil.getArchivePath(conf), hFileLinkPattern);<a name="line.119"></a> -<span class="sourceLineNo">120</span> }<a name="line.120"></a> -<span class="sourceLineNo">121</span><a name="line.121"></a> +<span class="sourceLineNo">111</span><a name="line.111"></a> +<span class="sourceLineNo">112</span> /**<a name="line.112"></a> +<span class="sourceLineNo">113</span> * @param conf {@link Configuration} from which to extract specific archive locations<a name="line.113"></a> +<span class="sourceLineNo">114</span> * @param hFileLinkPattern The path ending with a HFileLink pattern. (table=region-hfile)<a name="line.114"></a> +<span class="sourceLineNo">115</span> * @throws IOException on unexpected error.<a name="line.115"></a> +<span class="sourceLineNo">116</span> */<a name="line.116"></a> +<span class="sourceLineNo">117</span> public static final HFileLink buildFromHFileLinkPattern(Configuration conf, Path hFileLinkPattern)<a name="line.117"></a> +<span class="sourceLineNo">118</span> throws IOException {<a name="line.118"></a> +<span class="sourceLineNo">119</span> return buildFromHFileLinkPattern(FSUtils.getRootDir(conf),<a name="line.119"></a> +<span class="sourceLineNo">120</span> HFileArchiveUtil.getArchivePath(conf), hFileLinkPattern);<a name="line.120"></a> +<span class="sourceLineNo">121</span> }<a name="line.121"></a> <span class="sourceLineNo">122</span><a name="line.122"></a> <span class="sourceLineNo">123</span><a name="line.123"></a> -<span class="sourceLineNo">124</span> /**<a name="line.124"></a> -<span class="sourceLineNo">125</span> * @param rootDir Path to the root directory where hbase files are stored<a name="line.125"></a> -<span class="sourceLineNo">126</span> * @param archiveDir Path to the hbase archive directory<a name="line.126"></a> -<span class="sourceLineNo">127</span> * @param hFileLinkPattern The path of the HFile Link.<a name="line.127"></a> -<span class="sourceLineNo">128</span> */<a name="line.128"></a> -<span class="sourceLineNo">129</span> public final static HFileLink buildFromHFileLinkPattern(final Path rootDir,<a name="line.129"></a> -<span class="sourceLineNo">130</span> final Path archiveDir,<a name="line.130"></a> -<span class="sourceLineNo">131</span> final Path hFileLinkPattern) {<a name="line.131"></a> -<span class="sourceLineNo">132</span> Path hfilePath = getHFileLinkPatternRelativePath(hFileLinkPattern);<a name="line.132"></a> -<span class="sourceLineNo">133</span> Path tempPath = new Path(new Path(rootDir, HConstants.HBASE_TEMP_DIRECTORY), hfilePath);<a name="line.133"></a> -<span class="sourceLineNo">134</span> Path originPath = new Path(rootDir, hfilePath);<a name="line.134"></a> -<span class="sourceLineNo">135</span> Path mobPath = new Path(new Path(rootDir, MobConstants.MOB_DIR_NAME), hfilePath);<a name="line.135"></a> -<span class="sourceLineNo">136</span> Path archivePath = new Path(archiveDir, hfilePath);<a name="line.136"></a> -<span class="sourceLineNo">137</span> return new HFileLink(originPath, tempPath, mobPath, archivePath);<a name="line.137"></a> -<span class="sourceLineNo">138</span> }<a name="line.138"></a> -<span class="sourceLineNo">139</span><a name="line.139"></a> -<span class="sourceLineNo">140</span> /**<a name="line.140"></a> -<span class="sourceLineNo">141</span> * Create an HFileLink relative path for the table/region/family/hfile location<a name="line.141"></a> -<span class="sourceLineNo">142</span> * @param table Table name<a name="line.142"></a> -<span class="sourceLineNo">143</span> * @param region Region Name<a name="line.143"></a> -<span class="sourceLineNo">144</span> * @param family Family Name<a name="line.144"></a> -<span class="sourceLineNo">145</span> * @param hfile HFile Name<a name="line.145"></a> -<span class="sourceLineNo">146</span> * @return the relative Path to open the specified table/region/family/hfile link<a name="line.146"></a> -<span class="sourceLineNo">147</span> */<a name="line.147"></a> -<span class="sourceLineNo">148</span> public static Path createPath(final TableName table, final String region,<a name="line.148"></a> -<span class="sourceLineNo">149</span> final String family, final String hfile) {<a name="line.149"></a> -<span class="sourceLineNo">150</span> if (HFileLink.isHFileLink(hfile)) {<a name="line.150"></a> -<span class="sourceLineNo">151</span> return new Path(family, hfile);<a name="line.151"></a> -<span class="sourceLineNo">152</span> }<a name="line.152"></a> -<span class="sourceLineNo">153</span> return new Path(family, HFileLink.createHFileLinkName(table, region, hfile));<a name="line.153"></a> -<span class="sourceLineNo">154</span> }<a name="line.154"></a> -<span class="sourceLineNo">155</span><a name="line.155"></a> -<span class="sourceLineNo">156</span> /**<a name="line.156"></a> -<span class="sourceLineNo">157</span> * Create an HFileLink instance from table/region/family/hfile location<a name="line.157"></a> -<span class="sourceLineNo">158</span> * @param conf {@link Configuration} from which to extract specific archive locations<a name="line.158"></a> -<span class="sourceLineNo">159</span> * @param table Table name<a name="line.159"></a> -<span class="sourceLineNo">160</span> * @param region Region Name<a name="line.160"></a> -<span class="sourceLineNo">161</span> * @param family Family Name<a name="line.161"></a> -<span class="sourceLineNo">162</span> * @param hfile HFile Name<a name="line.162"></a> -<span class="sourceLineNo">163</span> * @return Link to the file with the specified table/region/family/hfile location<a name="line.163"></a> -<span class="sourceLineNo">164</span> * @throws IOException on unexpected error.<a name="line.164"></a> -<span class="sourceLineNo">165</span> */<a name="line.165"></a> -<span class="sourceLineNo">166</span> public static HFileLink build(final Configuration conf, final TableName table,<a name="line.166"></a> -<span class="sourceLineNo">167</span> final String region, final String family, final String hfile)<a name="line.167"></a> -<span class="sourceLineNo">168</span> throws IOException {<a name="line.168"></a> -<span class="sourceLineNo">169</span> return HFileLink.buildFromHFileLinkPattern(conf, createPath(table, region, family, hfile));<a name="line.169"></a> -<span class="sourceLineNo">170</span> }<a name="line.170"></a> -<span class="sourceLineNo">171</span><a name="line.171"></a> -<span class="sourceLineNo">172</span> /**<a name="line.172"></a> -<span class="sourceLineNo">173</span> * @return the origin path of the hfile.<a name="line.173"></a> -<span class="sourceLineNo">174</span> */<a name="line.174"></a> -<span class="sourceLineNo">175</span> public Path getOriginPath() {<a name="line.175"></a> -<span class="sourceLineNo">176</span> return this.originPath;<a name="line.176"></a> -<span class="sourceLineNo">177</span> }<a name="line.177"></a> -<span class="sourceLineNo">178</span><a name="line.178"></a> -<span class="sourceLineNo">179</span> /**<a name="line.179"></a> -<span class="sourceLineNo">180</span> * @return the path of the archived hfile.<a name="line.180"></a> -<span class="sourceLineNo">181</span> */<a name="line.181"></a> -<span class="sourceLineNo">182</span> public Path getArchivePath() {<a name="line.182"></a> -<span class="sourceLineNo">183</span> return this.archivePath;<a name="line.183"></a> -<span class="sourceLineNo">184</span> }<a name="line.184"></a> -<span class="sourceLineNo">185</span><a name="line.185"></a> -<span class="sourceLineNo">186</span> /**<a name="line.186"></a> -<span class="sourceLineNo">187</span> * @return the path of the mob hfiles.<a name="line.187"></a> -<span class="sourceLineNo">188</span> */<a name="line.188"></a> -<span class="sourceLineNo">189</span> public Path getMobPath() {<a name="line.189"></a> -<span class="sourceLineNo">190</span> return this.mobPath;<a name="line.190"></a> -<span class="sourceLineNo">191</span> }<a name="line.191"></a> -<span class="sourceLineNo">192</span><a name="line.192"></a> -<span class="sourceLineNo">193</span> /**<a name="line.193"></a> -<span class="sourceLineNo">194</span> * @param path Path to check.<a name="line.194"></a> -<span class="sourceLineNo">195</span> * @return True if the path is a HFileLink.<a name="line.195"></a> -<span class="sourceLineNo">196</span> */<a name="line.196"></a> -<span class="sourceLineNo">197</span> public static boolean isHFileLink(final Path path) {<a name="line.197"></a> -<span class="sourceLineNo">198</span> return isHFileLink(path.getName());<a name="line.198"></a> -<span class="sourceLineNo">199</span> }<a name="line.199"></a> -<span class="sourceLineNo">200</span><a name="line.200"></a> +<span class="sourceLineNo">124</span><a name="line.124"></a> +<span class="sourceLineNo">125</span> /**<a name="line.125"></a> +<span class="sourceLineNo">126</span> * @param rootDir Path to the root directory where hbase files are stored<a name="line.126"></a> +<span class="sourceLineNo">127</span> * @param archiveDir Path to the hbase archive directory<a name="line.127"></a> +<span class="sourceLineNo">128</span> * @param hFileLinkPattern The path of the HFile Link.<a name="line.128"></a> +<span class="sourceLineNo">129</span> */<a name="line.129"></a> +<span class="sourceLineNo">130</span> public final static HFileLink buildFromHFileLinkPattern(final Path rootDir,<a name="line.130"></a> +<span class="sourceLineNo">131</span> final Path archiveDir,<a name="line.131"></a> +<span class="sourceLineNo">132</span> final Path hFileLinkPattern) {<a name="line.132"></a> +<span class="sourceLineNo">133</span> Path hfilePath = getHFileLinkPatternRelativePath(hFileLinkPattern);<a name="line.133"></a> +<span class="sourceLineNo">134</span> Path tempPath = new Path(new Path(rootDir, HConstants.HBASE_TEMP_DIRECTORY), hfilePath);<a name="line.134"></a> +<span class="sourceLineNo">135</span> Path originPath = new Path(rootDir, hfilePath);<a name="line.135"></a> +<span class="sourceLineNo">136</span> Path mobPath = new Path(new Path(rootDir, MobConstants.MOB_DIR_NAME), hfilePath);<a name="line.136"></a> +<span class="sourceLineNo">137</span> Path archivePath = new Path(archiveDir, hfilePath);<a name="line.137"></a> +<span class="sourceLineNo">138</span> return new HFileLink(originPath, tempPath, mobPath, archivePath);<a name="line.138"></a> +<span class="sourceLineNo">139</span> }<a name="line.139"></a> +<span class="sourceLineNo">140</span><a name="line.140"></a> +<span class="sourceLineNo">141</span> /**<a name="line.141"></a> +<span class="sourceLineNo">142</span> * Create an HFileLink relative path for the table/region/family/hfile location<a name="line.142"></a> +<span class="sourceLineNo">143</span> * @param table Table name<a name="line.143"></a> +<span class="sourceLineNo">144</span> * @param region Region Name<a name="line.144"></a> +<span class="sourceLineNo">145</span> * @param family Family Name<a name="line.145"></a> +<span class="sourceLineNo">146</span> * @param hfile HFile Name<a name="line.146"></a> +<span class="sourceLineNo">147</span> * @return the relative Path to open the specified table/region/family/hfile link<a name="line.147"></a> +<span class="sourceLineNo">148</span> */<a name="line.148"></a> +<span class="sourceLineNo">149</span> public static Path createPath(final TableName table, final String region,<a name="line.149"></a> +<span class="sourceLineNo">150</span> final String family, final String hfile) {<a name="line.150"></a> +<span class="sourceLineNo">151</span> if (HFileLink.isHFileLink(hfile)) {<a name="line.151"></a> +<span class="sourceLineNo">152</span> return new Path(family, hfile);<a name="line.152"></a> +<span class="sourceLineNo">153</span> }<a name="line.153"></a> +<span class="sourceLineNo">154</span> return new Path(family, HFileLink.createHFileLinkName(table, region, hfile));<a name="line.154"></a> +<span class="sourceLineNo">155</span> }<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> /**<a name="line.157"></a> +<span class="sourceLineNo">158</span> * Create an HFileLink instance from table/region/family/hfile location<a name="line.158"></a> +<span class="sourceLineNo">159</span> * @param conf {@link Configuration} from which to extract specific archive locations<a name="line.159"></a> +<span class="sourceLineNo">160</span> * @param table Table name<a name="line.160"></a> +<span class="sourceLineNo">161</span> * @param region Region Name<a name="line.161"></a> +<span class="sourceLineNo">162</span> * @param family Family Name<a name="line.162"></a> +<span class="sourceLineNo">163</span> * @param hfile HFile Name<a name="line.163"></a> +<span class="sourceLineNo">164</span> * @return Link to the file with the specified table/region/family/hfile location<a name="line.164"></a> +<span class="sourceLineNo">165</span> * @throws IOException on unexpected error.<a name="line.165"></a> +<span class="sourceLineNo">166</span> */<a name="line.166"></a> +<span class="sourceLineNo">167</span> public static HFileLink build(final Configuration conf, final TableName table,<a name="line.167"></a> +<span class="sourceLineNo">168</span> final String region, final String family, final String hfile)<a name="line.168"></a> +<span class="sourceLineNo">169</span> throws IOException {<a name="line.169"></a> +<span class="sourceLineNo">170</span> return HFileLink.buildFromHFileLinkPattern(conf, createPath(table, region, family, hfile));<a name="line.170"></a> +<span class="sourceLineNo">171</span> }<a name="line.171"></a> +<span class="sourceLineNo">172</span><a name="line.172"></a> +<span class="sourceLineNo">173</span> /**<a name="line.173"></a> +<span class="sourceLineNo">174</span> * @return the origin path of the hfile.<a name="line.174"></a> +<span class="sourceLineNo">175</span> */<a name="line.175"></a> +<span class="sourceLineNo">176</span> public Path getOriginPath() {<a name="line.176"></a> +<span class="sourceLineNo">177</span> return this.originPath;<a name="line.177"></a> +<span class="sourceLineNo">178</span> }<a name="line.178"></a> +<span class="sourceLineNo">179</span><a name="line.179"></a> +<span class="sourceLineNo">180</span> /**<a name="line.180"></a> +<span class="sourceLineNo">181</span> * @return the path of the archived hfile.<a name="line.181"></a> +<span class="sourceLineNo">182</span> */<a name="line.182"></a> +<span class="sourceLineNo">183</span> public Path getArchivePath() {<a name="line.183"></a> +<span class="sourceLineNo">184</span> return this.archivePath;<a name="line.184"></a> +<span class="sourceLineNo">185</span> }<a name="line.185"></a> +<span class="sourceLineNo">186</span><a name="line.186"></a> +<span class="sourceLineNo">187</span> /**<a name="line.187"></a> +<span class="sourceLineNo">188</span> * @return the path of the mob hfiles.<a name="line.188"></a> +<span class="sourceLineNo">189</span> */<a name="line.189"></a> +<span class="sourceLineNo">190</span> public Path getMobPath() {<a name="line.190"></a> +<span class="sourceLineNo">191</span> return this.mobPath;<a name="line.191"></a> +<span class="sourceLineNo">192</span> }<a name="line.192"></a> +<span class="sourceLineNo">193</span><a name="line.193"></a> +<span class="sourceLineNo">194</span> /**<a name="line.194"></a> +<span class="sourceLineNo">195</span> * @param path Path to check.<a name="line.195"></a> +<span class="sourceLineNo">196</span> * @return True if the path is a HFileLink.<a name="line.196"></a> +<span class="sourceLineNo">197</span> */<a name="line.197"></a> +<span class="sourceLineNo">198</span> public static boolean isHFileLink(final Path path) {<a name="line.198"></a> +<span class="sourceLineNo">199</span> return isHFileLink(path.getName());<a name="line.199"></a> +<span class="sourceLineNo">200</span> }<a name="line.200"></a> <span class="sourceLineNo">201</span><a name="line.201"></a> -<span class="sourceLineNo">202</span> /**<a name="line.202"></a> -<span class="sourceLineNo">203</span> * @param fileName File name to check.<a name="line.203"></a> -<span class="sourceLineNo">204</span> * @return True if the path is a HFileLink.<a name="line.204"></a> -<span class="sourceLineNo">205</span> */<a name="line.205"></a> -<span class="sourceLineNo">206</span> public static boolean isHFileLink(String fileName) {<a name="line.206"></a> -<span class="sourceLineNo">207</span> Matcher m = LINK_NAME_PATTERN.matcher(fileName);<a name="line.207"></a> -<span class="sourceLineNo">208</span> if (!m.matches()) return false;<a name="line.208"></a> -<span class="sourceLineNo">209</span> return m.groupCount() > 2 && m.group(4) != null && m.group(3) != null && m.group(2) != null;<a name="line.209"></a> -<span class="sourceLineNo">210</span> }<a name="line.210"></a> -<span class="sourceLineNo">211</span><a name="line.211"></a> -<span class="sourceLineNo">212</span> /**<a name="line.212"></a> -<span class="sourceLineNo">213</span> * Convert a HFileLink path to a table relative path.<a name="line.213"></a> -<span class="sourceLineNo">214</span> * e.g. the link: /hbase/test/0123/cf/testtb=4567-abcd<a name="line.214"></a> -<span class="sourceLineNo">215</span> * becomes: /hbase/testtb/4567/cf/abcd<a name="line.215"></a> -<span class="sourceLineNo">216</span> *<a name="line.216"></a> -<span class="sourceLineNo">217</span> * @param path HFileLink path<a name="line.217"></a> -<span class="sourceLineNo">218</span> * @return Relative table path<a name="line.218"></a> -<span class="sourceLineNo">219</span> * @throws IOException on unexpected error.<a name="line.219"></a> -<span class="sourceLineNo">220</span> */<a name="line.220"></a> -<span class="sourceLineNo">221</span> private static Path getHFileLinkPatternRelativePath(final Path path) {<a name="line.221"></a> -<span class="sourceLineNo">222</span> // table=region-hfile<a name="line.222"></a> -<span class="sourceLineNo">223</span> Matcher m = REF_OR_HFILE_LINK_PATTERN.matcher(path.getName());<a name="line.223"></a> -<span class="sourceLineNo">224</span> if (!m.matches()) {<a name="line.224"></a> -<span class="sourceLineNo">225</span> throw new IllegalArgumentException(path.getName() + " is not a valid HFileLink pattern!");<a name="line.225"></a> -<span class="sourceLineNo">226</span> }<a name="line.226"></a> -<span class="sourceLineNo">227</span><a name="line.227"></a> -<span class="sourceLineNo">228</span> // Convert the HFileLink name into a real table/region/cf/hfile path.<a name="line.228"></a> -<span class="sourceLineNo">229</span> TableName tableName = TableName.valueOf(m.group(1), m.group(2));<a name="line.229"></a> -<span class="sourceLineNo">230</span> String regionName = m.group(3);<a name="line.230"></a> -<span class="sourceLineNo">231</span> String hfileName = m.group(4);<a name="line.231"></a> -<span class="sourceLineNo">232</span> String familyName = path.getParent().getName();<a name="line.232"></a> -<span class="sourceLineNo">233</span> Path tableDir = FSUtils.getTableDir(new Path("./"), tableName);<a name="line.233"></a> -<span class="sourceLineNo">234</span> return new Path(tableDir, new Path(regionName, new Path(familyName,<a name="line.234"></a> -<span class="sourceLineNo">235</span> hfileName)));<a name="line.235"></a> -<span class="sourceLineNo">236</span> }<a name="line.236"></a> -<span class="sourceLineNo">237</span><a name="line.237"></a> -<span class="sourceLineNo">238</span> /**<a name="line.238"></a> -<span class="sourceLineNo">239</span> * Get the HFile name of the referenced link<a name="line.239"></a> -<span class="sourceLineNo">240</span> *<a name="line.240"></a> -<span class="sourceLineNo">241</span> * @param fileName HFileLink file name<a name="line.241"></a> -<span class="sourceLineNo">242</span> * @return the name of the referenced HFile<a name="line.242"></a> -<span class="sourceLineNo">243</span> */<a name="line.243"></a> -<span class="sourceLineNo">244</span> public static String getReferencedHFileName(final String fileName) {<a name="line.244"></a> -<span class="sourceLineNo">245</span> Matcher m = REF_OR_HFILE_LINK_PATTERN.matcher(fileName);<a name="line.245"></a> -<span class="sourceLineNo">246</span> if (!m.matches()) {<a name="line.246"></a> -<span class="sourceLineNo">247</span> throw new IllegalArgumentException(fileName + " is not a valid HFileLink name!");<a name="line.247"></a> -<span class="sourceLineNo">248</span> }<a name="line.248"></a> -<span class="sourceLineNo">249</span> return(m.group(4));<a name="line.249"></a> -<span class="sourceLineNo">250</span> }<a name="line.250"></a> -<span class="sourceLineNo">251</span><a name="line.251"></a> -<span class="sourceLineNo">252</span> /**<a name="line.252"></a> -<span class="sourceLineNo">253</span> * Get the Region name of the referenced link<a name="line.253"></a> -<span class="sourceLineNo">254</span> *<a name="line.254"></a> -<span class="sourceLineNo">255</span> * @param fileName HFileLink file name<a name="line.255"></a> -<span class="sourceLineNo">256</span> * @return the name of the referenced Region<a name="line.256"></a> -<span class="sourceLineNo">257</span> */<a name="line.257"></a> -<span class="sourceLineNo">258</span> public static String getReferencedRegionName(final String fileName) {<a name="line.258"></a> -<span class="sourceLineNo">259</span> Matcher m = REF_OR_HFILE_LINK_PATTERN.matcher(fileName);<a name="line.259"></a> -<span class="sourceLineNo">260</span> 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class="sourceLineNo">272</span> public static TableName getReferencedTableName(final String fileName) {<a name="line.272"></a> -<span class="sourceLineNo">273</span> Matcher m = REF_OR_HFILE_LINK_PATTERN.matcher(fileName);<a name="line.273"></a> -<span class="sourceLineNo">274</span> if (!m.matches()) {<a name="line.274"></a> -<span class="sourceLineNo">275</span> throw new IllegalArgumentException(fileName + " is not a valid HFileLink name!");<a name="line.275"></a> -<span class="sourceLineNo">276</span> }<a name="line.276"></a> -<span class="sourceLineNo">277</span> return(TableName.valueOf(m.group(1), m.group(2)));<a name="line.277"></a> -<span class="sourceLineNo">278</span> }<a name="line.278"></a> -<span class="sourceLineNo">279</span><a name="line.279"></a> -<span class="sourceLineNo">280</span> /**<a name="line.280"></a> -<span class="sourceLineNo">281</span> * Create a new HFileLink name<a name="line.281"></a> -<span class="sourceLineNo">282</span> *<a name="line.282"></a> 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/**<a name="line.293"></a> -<span class="sourceLineNo">294</span> * Create a new HFileLink name<a name="line.294"></a> -<span class="sourceLineNo">295</span> *<a name="line.295"></a> -<span class="sourceLineNo">296</span> * @param tableName - Linked HFile table name<a name="line.296"></a> -<span class="sourceLineNo">297</span> * @param regionName - Linked HFile region name<a name="line.297"></a> -<span class="sourceLineNo">298</span> * @param hfileName - Linked HFile name<a name="line.298"></a> -<span class="sourceLineNo">299</span> * @return file name of the HFile Link<a name="line.299"></a> -<span class="sourceLineNo">300</span> */<a name="line.300"></a> -<span class="sourceLineNo">301</span> public static String createHFileLinkName(final TableName tableName,<a name="line.301"></a> -<span class="sourceLineNo">302</span> final String regionName, final String hfileName) {<a name="line.302"></a> -<span class="sourceLineNo">303</span> String s = String.format("%s=%s-%s",<a 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Configuration conf, final FileSystem fs,<a name="line.323"></a> -<span class="sourceLineNo">324</span> final Path dstFamilyPath, final HRegionInfo hfileRegionInfo,<a name="line.324"></a> -<span class="sourceLineNo">325</span> final String hfileName) throws IOException {<a name="line.325"></a> -<span class="sourceLineNo">326</span> return create(conf, fs, dstFamilyPath, hfileRegionInfo, hfileName, true);<a name="line.326"></a> -<span class="sourceLineNo">327</span> }<a name="line.327"></a> -<span class="sourceLineNo">328</span><a name="line.328"></a> -<span class="sourceLineNo">329</span> /**<a name="line.329"></a> -<span class="sourceLineNo">330</span> * Create a new HFileLink<a name="line.330"></a> -<span class="sourceLineNo">331</span> *<a name="line.331"></a> -<span class="sourceLineNo">332</span> * <p>It also adds a back-reference to the hfile back-reference directory<a name="line.332"></a> -<span class="sourceLineNo">333</span> * to simplify the reference-count and the cleaning 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Defaults to true.<a name="line.385"></a> -<span class="sourceLineNo">386</span> * @return true if the file is created, otherwise the file exists.<a name="line.386"></a> -<span class="sourceLineNo">387</span> * @throws IOException on file or parent directory creation failure<a name="line.387"></a> -<span class="sourceLineNo">388</span> */<a name="line.388"></a> -<span class="sourceLineNo">389</span> public static boolean create(final Configuration conf, final FileSystem fs,<a name="line.389"></a> -<span class="sourceLineNo">390</span> final Path dstFamilyPath, final TableName linkedTable, final String linkedRegion,<a name="line.390"></a> -<span class="sourceLineNo">391</span> final String hfileName, final boolean createBackRef) throws IOException {<a name="line.391"></a> -<span class="sourceLineNo">392</span> String familyName = dstFamilyPath.getName();<a name="line.392"></a> -<span class="sourceLineNo">393</span> String regionName = dstFamilyPath.getParent().getName();<a name="line.393"></a> -<span class="sourceLineNo">394</span> String tableName = FSUtils.getTableName(dstFamilyPath.getParent().getParent())<a name="line.394"></a> -<span class="sourceLineNo">395</span> .getNameAsString();<a name="line.395"></a> -<span class="sourceLineNo">396</span><a name="line.396"></a> -<span class="sourceLineNo">397</span> String name = createHFileLinkName(linkedTable, linkedRegion, hfileName);<a name="line.397"></a> -<span class="sourceLineNo">398</span> String refName = createBackReferenceName(tableName, regionName);<a name="line.398"></a> -<span class="sourceLineNo">399</span><a name="line.399"></a> -<span class="sourceLineNo">400</span> // Make sure the destination directory exists<a name="line.400"></a> -<span class="sourceLineNo">401</span> fs.mkdirs(dstFamilyPath);<a name="line.401"></a> -<span class="sourceLineNo">402</span><a name="line.402"></a> -<span class="sourceLineNo">403</span> // Make sure the FileLink reference directory exists<a name="line.403"></a> -<span class="sourceLineNo">404</span> Path archiveStoreDir = HFileArchiveUtil.getStoreArchivePath(conf,<a name="line.404"></a> -<span class="sourceLineNo">405</span> linkedTable, linkedRegion, familyName);<a name="line.405"></a> -<span class="sourceLineNo">406</span> Path backRefPath = null;<a name="line.406"></a> -<span class="sourceLineNo">407</span> if (createBackRef) {<a name="line.407"></a> -<span class="sourceLineNo">408</span> Path backRefssDir = getBackReferencesDir(archiveStoreDir, hfileName);<a name="line.408"></a> -<span class="sourceLineNo">409</span> fs.mkdirs(backRefssDir);<a name="line.409"></a> -<span class="sourceLineNo">410</span><a name="line.410"></a> -<span class="sourceLineNo">411</span> // Create the reference for the link<a name="line.411"></a> -<span class="sourceLineNo">412</span> backRefPath = new Path(backRefssDir, refName);<a name="line.412"></a> -<span class="sourceLineNo">413</span> fs.createNewFile(backRefPath);<a name="line.413"></a> -<span class="sourceLineNo">414</span> }<a name="line.414"></a> -<span class="sourceLineNo">415</span> try {<a name="line.415"></a> -<span class="sourceLineNo">416</span> // Create the link<a name="line.416"></a> -<span class="sourceLineNo">417</span> return fs.createNewFile(new Path(dstFamilyPath, name));<a name="line.417"></a> -<span class="sourceLineNo">418</span> } catch (IOException e) {<a name="line.418"></a> -<span class="sourceLineNo">419</span> LOG.error("couldn't create the link=" + name + " for " + dstFamilyPath, e);<a name="line.419"></a> -<span class="sourceLineNo">420</span> // Revert the reference if the link creation failed<a name="line.420"></a> -<span class="sourceLineNo">421</span> if (createBackRef) {<a name="line.421"></a> -<span class="sourceLineNo">422</span> fs.delete(backRefPath, false);<a name="line.422"></a> -<span class="sourceLineNo">423</span> }<a name="line.423"></a> -<span class="sourceLineNo">424</span> throw e;<a name="line.424"></a> -<span class="sourceLineNo">425</span> }<a name="line.425"></a> -<span class="sourceLineNo">426</span> }<a name="line.426"></a> -<span class="sourceLineNo">427</span><a name="line.427"></a> -<span class="sourceLineNo">428</span> /**<a name="line.428"></a> -<span class="sourceLineNo">429</span> * Create a new HFileLink starting from a hfileLink name<a name="line.429"></a> -<span class="sourceLineNo">430</span> *<a name="line.430"></a> -<span class="sourceLineNo">431</span> * <p>It also adds a back-reference to the hfile back-reference directory<a name="line.431"></a> -<span class="sourceLineNo">432</span> * to simplify the reference-count and the cleaning process.<a name="line.432"></a> -<span class="sourceLineNo">433</span> *<a name="line.433"></a> -<span class="sourceLineNo">434</span> * @param conf {@link Configuration} to read for the archive directory name<a name="line.434"></a> -<span class="sourceLineNo">435</span> * @param fs {@link FileSystem} on which to 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class="sourceLineNo">444</span> return createFromHFileLink(conf, fs, dstFamilyPath, hfileLinkName, true);<a name="line.444"></a> -<span class="sourceLineNo">445</span> }<a name="line.445"></a> -<span class="sourceLineNo">446</span><a name="line.446"></a> -<span class="sourceLineNo">447</span> /**<a name="line.447"></a> -<span class="sourceLineNo">448</span> * Create a new HFileLink starting from a hfileLink name<a name="line.448"></a> -<span class="sourceLineNo">449</span> *<a name="line.449"></a> -<span class="sourceLineNo">450</span> * <p>It also adds a back-reference to the hfile back-reference directory<a name="line.450"></a> -<span class="sourceLineNo">451</span> * to simplify the reference-count and the cleaning process.<a name="line.451"></a> -<span class="sourceLineNo">452</span> *<a name="line.452"></a> -<span class="sourceLineNo">453</span> * @param conf {@link Configuration} to read for the archive directory name<a name="line.453"></a> -<span class="sourceLineNo">454</span> * @param fs {@link FileSystem} on which to write the HFileLink<a name="line.454"></a> -<span class="sourceLineNo">455</span> * @param dstFamilyPath - Destination path (table/region/cf/)<a name="line.455"></a> -<span class="sourceLineNo">456</span> * @param hfileLinkName - HFileLink name (it contains hfile-region-table)<a name="line.456"></a> -<span class="sourceLineNo">457</span> * @param createBackRef - Whether back reference should be created. Defaults to true.<a name="line.457"></a> -<span class="sourceLineNo">458</span> * @return true if the file is created, otherwise the file exists.<a name="line.458"></a> -<span class="sourceLineNo">459</span> * @throws IOException on file or parent directory creation failure<a name="line.459"></a> -<span class="sourceLineNo">460</span> */<a name="line.460"></a> -<span class="sourceLineNo">461</span> public static boolean createFromHFileLink(final Configuration conf, final FileSystem fs,<a name="line.461"></a> -<span class="sourceLineNo">462</span> final Path dstFamilyPath, final String hfileLinkName, final boolean createBackRef)<a name="line.462"></a> -<span class="sourceLineNo">463</span> throws IOException {<a name="line.463"></a> -<span class="sourceLineNo">464</span> Matcher m = LINK_NAME_PATTERN.matcher(hfileLinkName);<a name="line.464"></a> -<span class="sourceLineNo">465</span> if (!m.matches()) {<a name="line.465"></a> -<span class="sourceLineNo">466</span> throw new IllegalArgumentException(hfileLinkName + " is not a valid HFileLink name!");<a name="line.466"></a> -<span class="sourceLineNo">467</span> }<a name="line.467"></a> -<span class="sourceLineNo">468</span> return create(conf, fs, dstFamilyPath, TableName.valueOf(m.group(1), m.group(2)),<a name="line.468"></a> -<span class="sourceLineNo">469</span> m.group(3), m.group(4), createBackRef);<a name="line.469"></a> -<span class="sourceLineNo">470</span> }<a name="line.470"></a> -<span class="sourceLineNo">471</span><a name="line.471"></a> -<span class="sourceLineNo">472</span> /**<a name="line.472"></a> -<span class="sourceLineNo">473</span> * Create the back reference name<a name="line.473"></a> -<span class="sourceLineNo">474</span> */<a name="line.474"></a> -<span class="sourceLineNo">475</span> //package-private for testing<a name="line.475"></a> -<span class="sourceLineNo">476</span> static String createBackReferenceName(final String tableNameStr,<a name="line.476"></a> -<span class="sourceLineNo">477</span> final String regionName) {<a name="line.477"></a> -<span class="sourceLineNo">478</span><a name="line.478"></a> -<span class="sourceLineNo">479</span> return regionName + "." + tableNameStr.replace(TableName.NAMESPACE_DELIM, '=');<a name="line.479"></a> -<span class="sourceLineNo">480</span> }<a name="line.480"></a> -<span class="sourceLineNo">481</span><a name="line.481"></a> -<span class="sourceLineNo">482</span> /**<a name="line.482"></a> -<span class="sourceLineNo">483</span> * Get the full path of the HFile referenced by the back reference<a name="line.483"></a> -<span class="sourceLineNo">484</span> *<a name="line.484"></a> -<span class="sourceLineNo">485</span> * @param rootDir root hbase directory<a name="line.485"></a> -<span class="sourceLineNo">486</span> * @param linkRefPath Link Back Reference path<a name="line.486"></a> -<span class="sourceLineNo">487</span> * @return full path of the referenced hfile<a name="line.487"></a> -<span class="sourceLineNo">488</span> */<a name="line.488"></a> -<span class="sourceLineNo">489</span> public static Path getHFileFromBackReference(final Path rootDir, final Path linkRefPath) {<a name="line.489"></a> -<span class="sourceLineNo">490</span> Pair<TableName, String> p = parseBackReferenceName(linkRefPath.getName());<a name="line.490"></a> -<span class="sourceLineNo">491</span> TableName linkTableName = p.getFirst();<a name="line.491"></a> -<span class="sourceLineNo">492</span> String linkRegionName = p.getSecond();<a name="line.492"></a> -<span class="sourceLineNo">493</span><a name="line.493"></a> -<span class="sourceLineNo">494</span> String hfileName = getBackReferenceFileName(linkRefPath.getParent());<a name="line.494"></a> -<span class="sourceLineNo">495</span> Path familyPath = linkRefPath.getParent().getParent();<a name="line.495"></a> -<span class="sourceLineNo">496</span> Path regionPath = familyPath.getParent();<a name="line.496"></a> -<span class="sourceLineNo">497</span> Path tablePath = regionPath.getParent();<a name="line.497"></a> -<span class="sourceLineNo">498</span><a name="line.498"></a> -<span class="sourceLineNo">499</span> String linkName = createHFileLinkName(FSUtils.getTableName(tablePath),<a name="line.499"></a> -<span class="sourceLineNo">500</span> regionPath.getName(), hfileName);<a name="line.500"></a> -<span class="sourceLineNo">501</span> Path linkTableDir = FSUtils.getTableDir(rootDir, linkTableName);<a name="line.501"></a> -<span class="sourceLineNo">502</span> Path regionDir = HRegion.getRegionDir(linkTableDir, linkRegionName);<a name="line.502"></a> -<span class="sourceLineNo">503</span> return new Path(new Path(regionDir, familyPath.getName()), linkName);<a name="line.503"></a> -<span class="sourceLineNo">504</span> }<a name="line.504"></a> -<span class="sourceLineNo">505</span><a name="line.505"></a> -<span class="sourceLineNo">506</span> static Pair<TableName, String> parseBackReferenceName(String name) {<a name="line.506"></a> -<span class="sourceLineNo">507</span> int separatorIndex = name.indexOf('.');<a name="line.507"></a> -<span class="sourceLineNo">508</span> String linkRegionName = name.substring(0, separatorIndex);<a name="line.508"></a> -<span class="sourceLineNo">509</span> String tableSubstr = name.substring(separatorIndex + 1)<a name="line.509"></a> -<span class="sourceLineNo">510</span> .replace('=', TableName.NAMESPACE_DELIM);<a name="line.510"></a> -<span class="sourceLineNo">511</span> TableName linkTableName = TableName.valueOf(tableSubstr);<a name="line.511"></a> -<span class="sourceLineNo">512</span> return new Pair<>(linkTableName, linkRegionName);<a name="line.512"></a> -<span class="sourceLineNo">513</span> }<a name="line.513"></a> -<span class="sourceLineNo">514</span><a name="line.514"></a> -<span class="sourceLineNo">515</span> /**<a name="line.515"></a> -<span class="sourceLineNo">516</span> * Get the full path of the HFile referenced by the back reference<a name="line.516"></a> -<span class="sourceLineNo">517</span> *<a name="line.517"></a> -<span class="sourceLineNo">518</span> * @param conf {@link Configuration} to read for the archive directory name<a name="line.518"></a> -<span class="sourceLineNo">519</span> * @param linkRefPath Link Back Reference path<a name="line.519"></a> -<span class="sourceLineNo">520</span> * @return full path of the referenced hfile<a name="line.520"></a> -<span class="sourceLineNo">521</span> * @throws IOException on unexpected error.<a name="line.521"></a> -<span class="sourceLineNo">522</span> */<a name="line.522"></a> -<span class="sourceLineNo">523</span> public static Path getHFileFromBackReference(final Configuration conf, final Path linkRefPath)<a name="line.523"></a> -<span class="sourceLineNo">524</span> throws IOException {<a name="line.524"></a> -<span class="sourceLineNo">525</span> return getHFileFromBackReference(FSUtils.getRootDir(conf), linkRefPath);<a name="line.525"></a> -<span class="sourceLineNo">526</span> }<a name="line.526"></a> -<span class="sourceLineNo">527</span><a name="line.527"></a> -<span class="sourceLineNo">528</span>}<a name="line.528"></a> +<span class="sourceLineNo">202</span><a name="line.202"></a> +<span class="sourceLineNo">203</span> /**<a name="line.203"></a> +<span class="sourceLineNo">204</span> * @param fileName File name to check.<a name="line.204"></a> +<span class="sourceLineNo">205</span> * @return True if the path is a HFileLink.<a name="line.205"></a> +<span class="sourceLineNo">206</span> */<a name="line.206"></a> +<span class="sourceLineNo">207</span> public static boolean isHFileLink(String fileName) {<a name="line.207"></a> +<span class="sourceLineNo">208</span> Matcher m = LINK_NAME_PATTERN.matcher(fileName);<a name="line.208"></a> +<span class="sourceLineNo">209</span> if (!m.matches()) return false;<a name="line.209"></a> +<span class="sourceLineNo">210</span> return m.groupCount() > 2 && m.group(4) != null && m.group(3) != null && m.group(2) != null;<a name="line.210"></a> +<span class="sourceLineNo">211</span> }<a name="line.211"></a> +<span class="sourceLineNo">212</span><a name="line.212"></a> +<span class="sourceLineNo">213</span> /**<a name="line.213"></a> +<span class="sourceLineNo">214</span> * Convert a HFileLink path to a table relative path.<a name="line.214"></a> +<span class="sourceLineNo">215</span> * e.g. the link: /hbase/test/0123/cf/testtb=4567-abcd<a name="line.215"></a> +<span class="sourceLineNo">216</span> * becomes: /hbase/testtb/4567/cf/abcd<a name="line.216"></a> +<span class="sourceLineNo">217</span> *<a name="line.217"></a> +<span class="sourceLineNo">218</span> * @param path HFileLink path<a name="line.218"></a> +<span class="sourceLineNo">219</span> * @return Relative table path<a name="line.219"></a> +<span class="sourceLineNo">220</span> * @throws IOException on unexpected error.<a name="line.220"></a> +<span class="sourceLineNo">221</span> */<a name="line.221"></a> +<span class="sourceLineNo">222</span> private static Path getHFileLinkPatternRelativePath(final Path path) {<a name="line.222"></a> +<span class="sourceLineNo">223</span> // table=region-hfile<a name="line.223"></a> +<span class="sourceLineNo">224</span> Matcher m = REF_OR_HFILE_LINK_PATTERN.matcher(path.getName());<a name="line.224"></a> +<span class="sourceLineNo">225</span> if (!m.matches()) {<a name="line.225"></a> +<span class="sourceLineNo">226</span> throw new IllegalArgumentException(path.getName() + " is not a valid HFileLink pattern!");<a name="line.226"></a> +<span class="sourceLineNo">227</span> }<a name="line.227"></a> +<span class="sourceLineNo">228</span><a name="line.228"></a> +<span class="sourceLineNo">229</span> // Convert the HFileLink name into a real table/region/cf/hfile path.<a name="line.229"></a> +<span class="sourceLineNo">230</span> TableName tableName = TableName.valueOf(m.group(1), m.group(2));<a name="line.230"></a> +<span class="sourceLineNo">231</span> String regionName = m.group(3);<a name="line.231"></a> +<span class="sourceLineNo">232</span> String hfileName = m.group(4);<a name="line.232"></a> +<span class="sourceLineNo">233</span> String familyName = path.getParent().getName();<a name="line.233"></a> +<span class="sourceLineNo">234</span> Path tableDir = FSUtils.getTableDir(new Path("./"), tableName);<a name="line.234"></a> +<span class="sourceLineNo">235</span> return new Path(tableDir, new Path(regionName, new Path(familyName,<a name="line.235"></a> +<span class="sourceLineNo">236</span> hfileName)));<a name="line.236"></a> +<span class="sourceLineNo">237</span> }<a name="line.237"></a> +<span class="sourceLineNo">238</span><a name="line.238"></a> +<span class="sourceLineNo">239</span> /**<a name="line.239"></a> +<span class="sourceLineNo">240</span> * Get the HFile name of the referenced link<a name="line.240"></a> +<span class="sourceLineNo">241</span> *<a name="line.241"></a> +<span class="sourceLineNo">242</span> * @param fileName HFileLink file name<a name="line.242"></a> +<span class="sourceLineNo">243</span> * @return the name of the referenced HFile<a name="line.243"></a> +<span class="sourceLineNo">244</span> */<a name="line.244"></a> +<span class="sourceLineNo">245</span> public static String getReferencedHFileName(final String fileName) {<a name="line.245"></a> +<span class="sourceLineNo">246</span> Matcher m = REF_OR_HFILE_LINK_PATTERN.matcher(fileName);<a name="line.246"></a> +<span class="sourceLineNo">247</span> if (!m.matches()) {<a name="line.247"></a> +<span class="sourceLineNo">248</span> throw new IllegalArgumentException(fileName + " is not a valid HFileLink name!");<a name="line.248"></a> +<span class="sourceLineNo">249</span> }<a name="line.249"></a> +<span class="sourceLineNo">250</span> return(m.group(4));<a name="line.250"></a> +<span class="sourceLineNo">251</span> }<a name="line.251"></a> +<span class="sourceLineNo">252</span><a name="line.252"></a> +<span class="sourceLineNo">253</span> /**<a name="line.253"></a> +<span class="sourceLineNo">254</span> * Get the Region name of the referenced link<a name="line.254"></a> +<span class="sourceLineNo">255</span> *<a name="line.255"></a> +<span class="sourceLineNo">256</span> * @param fileName HFileLink file name<a name="line.256"></a> +<span class="sourceLineNo">257</span> * @return the name of the referenced Region<a name="line.257"></a> +<span class="sourceLineNo">258</span> */<a name="line.258"></a> +<span class="sourceLineNo">259</span> public static String getReferencedRegionName(final String fileName) {<a name="line.259"></a> +<span class="sourceLineNo">260</span> Matcher m = REF_OR_HFILE_LINK_PATTERN.matcher(fileName);<a name="line.260"></a> +<span class="sourceLineNo">261</span> if (!m.matches()) {<a name="line.261"></a> +<span class="sourceLineNo">262</span> throw new IllegalArgumentException(fileName + " is not a valid HFileLink name!");<a name="line.262"></a> +<span class="sourceLineNo">263</span> }<a name="line.263"></a> +<span class="sourceLineNo">264</span> return(m.group(3));<a name="line.264"></a> +<span class="sourceLineNo">265</span> }<a name="line.265"></a> +<span class="sourceLineNo">266</span><a name="line.266"></a> +<span class="sourceLineNo">267</span> /**<a name="line.267"></a> +<span class="sourceLineNo">268</span> * Get the Table name of the referenced link<a name="line.268"></a> +<span class="sourceLineNo">269</span> *<a name="line.269"></a> +<span class="sourceLineNo">270</span> * @param fileName HFileLink file name<a name="line.270"></a> +<span class="sourceLineNo">271</span> * @return the name of the referenced Table<a name="line.271"></a> +<span class="sourceLineNo">272</span> */<a name="line.272"></a> +<span class="sourceLineNo">273</span> public static TableName getReferencedTableName(final String fileName) {<a name="line.273"></a> +<span class="sourceLineNo">274</span> Matcher m = REF_OR_HFILE_LINK_PATTERN.matcher(fileName);<a name="line.274"></a> +<span class="sourceLineNo">275</span> if (!m.matches()) {<a name="line.275"></a> +<span class="sourceLineNo">276</span> throw new IllegalArgumentException(fileName + " is not a valid HFileLink name!");<a name="line.276"></a> +<span class="sourceLineNo">277</span> }<a name="line.277"></a> +<span class="sourceLineNo">278</span> return(TableName.valueOf(m.group(1), m.group(2)));<a name="line.278"></a> +<span class="sourceLineNo">279</span> }<a name="line.279"></a> +<span class="sourceLineNo">280</span><a name="line.280"></a> +<span class="sourceLineNo">281</span> /**<a name="line.281"></a> +<span class="sourceLineNo">282</span> * Create a new HFileLink name<a name="line.282"></a> +<span class="sourceLineNo">283</span> *<a name="line.283"></a> +<span class="sourceLineNo">284</span> * @param hfileRegionInfo - Linked HFile Region Info<a name="line.284"></a> +<span class="sourceLineNo">285</span> * @param hfileName - Linked HFile name<a name="line.285"></a> +<span class="sourceLineNo">286</span> * @return file name of the HFile Link<a name="line.286"></a> +<span class="sourceLineNo">287</span> */<a name="line.287"></a> +<span class="sourceLineNo">288</span> public static String createHFileLinkName(final HRegionInfo hfileRegionInfo,<a name="line.288"></a> +<span class="sourceLineNo">289</span> final String hfileName) {<a name="line.289"></a> +<span class="sourceLineNo">290</span> return createHFileLinkName(hfileRegionInfo.getTable(),<a name="line.290"></a> +<span class="sourceLineNo">291</span> hfileRegionInfo.getEncodedName(), hfileName);<a name="line.291"></a> +<span class="sourceLineNo">292</span> }<a name="line.292"></a> +<span class="sourceLineNo">293</span><a name="line.293"></a> +<span class="sourceLineNo">294</span> /**<a name="line.294"></a> +<span class="sourceLineNo">295</span> * Create a new HFileLink name<a name="line.295"></a> +<span class="sourceLineNo">296</span> *<a name="line.296"></a> +<span class="sourceLineNo">297</span> * @param tableName - Linked HFile table name<a name="line.297"></a> +<span class="sourceLineNo">298</span> * @param regionName - Linked HFile region name<a name="line.298"></a> +<span class="sourceLineNo">299</span> * @param hfileName - Linked HFile name<a name="line.299"></a> +<span class="sourceLineNo">300</span> * @return file name of the HFile Link<a name="line.300"></a> +<span class="sourceLineNo">301</span> */<a name="line.301"></a> +<span class="sourceLineNo">302</span> public static String createHFileLinkName(final TableName tableName,<a name="line.302"></a> +<span class="sourceLineNo">303</span> final String regionName, final String hfileName) {<a name="line.303"></a> +<span class="sourceLineNo">304</span> String s = String.format("%s=%s-%s",<a name="line.304"></a> +<span class="sourceLineNo">305</span> tableName.getNameAsString().replace(TableName.NAMESPACE_DELIM, '='),<a name="line.305"></a> +<span class="sourceLineNo">306</span> regionName, hfileName);<a name="line.306"></a> +<span class="sourceLineNo">307</span> return s;<a name="line.307"></a> +<span class="sourceLineNo">308</span> }<a name="line.308"></a> +<span class="sourceLineNo">309</span><a name="line.309"></a> +<span class="sourceLineNo">310</span> /**<a name="line.310"></a> +<span class="sourceLineNo">311</span> * Create a new HFileLink<a name="line.311"></a> +<span class="sourceLineNo">312</span> *<a name="line.312"></a> +<span class="sourceLineNo">313</span> * <p>It also adds a back-reference to the hfile back-reference directory<a name="line.313"></a> +<span class="sourceLineNo">314</span> * to simplify the reference-count and the cleaning process.<a name="line.314"></a> +<span class="sourceLineNo">315</span> *<a name="line.315"></a> +<span class="sourceLineNo">316</span> * @param conf {@link Configuration} to read for the archive directory name<a name="line.316"></a> +<span class="sourceLineNo">317</span> * @param fs {@link FileSystem} on which to write the HFileLink<a name="line.317"></a> +<span class="sourceLineNo">318</span> * @param dstFamilyPath - Destination path (table/region/cf/)<a name="line.318"></a> +<span class="sourceLineNo">319</span> * @param hfileRegionInfo - Linked HFile Region Info<a name="line.319"></a> +<span class="sourceLineNo">320</span> * @param hfileName - Linked HFile name<a name="line.320"></a> +<span class="sourceLineNo">321</span> * @return true if the file is created, otherwise the file exists.<a name="line.321"></a> +<span class="sourceLineNo">322</span> * @throws IOException on file or parent directory creation failure<a name="line.322"></a> +<span class="sourceLineNo">323</span> */<a name="line.323"></a> +<span class="sourceLineNo">324</span> public static boolean create(final Configuration conf, final FileSystem fs,<a name="line.324"></a> +<span class="sourceLineNo">325</span> final Path dstFamilyPath, final HRegionInfo hfileRegionInfo,<a name="line.325"></a> +<span class="sourceLineNo">326</span> final String hfileName) throws IOException {<a name="line.326"></a> +<span class="sourceLineNo">327</span> return create(conf, fs, dstFamilyPath, hfileRegionInfo, hfileName, true);<a name="line.327"></a> +<span class="sourceLineNo">328</span> }<a name="line.328"></a> +<span class="sourceLineNo">329</span><a name="line.329"></a> +<span class="sourceLineNo">330</span> /**<a name="line.330"></a> +<span class="sourceLineNo">331</span> * Create a new HFileLink<a name="line.331"></a> +<span class="sourceLineNo">332</span> *<a name="line.332"></a> +<span class="sourceLineNo">333</span> * <p>It also adds a back-reference to the hfile back-reference directory<a name="line.333"></a> +<span class="sourceLineNo">334</span> * to simplify the reference-count and the cleaning process.<a name="line.334"></a> +<span class="sourceLineNo">335</span> *<a name="line.335"></a> +<span class="sourceLineNo">336</span> * @param conf {@link Configuration} to read for the archive directory name<a name="line.336"></a> +<span class="sourceLineNo">337</span> * @param fs {@link FileSystem} on which to write the HFileLink<a name="line.337"></a> +<span class="sourceLineNo">338</span> * @param dstFamilyPath - Destination path (table/region/cf/)<a name="line.338"></a> +<span class="sourceLineNo">339</span> * @param hfileRegionInfo - Linked HFile Region Info<a name="line.339"></a> +<span class="sourceLineNo">340</span> * @param hfileName - Linked HFile name<a name="line.340"></a> +<span class="sourceLineNo">341</span> * @param createBackRef - Whether back reference should be created. Defaults to true.<a name="line.341"></a> +<span class="sourceLineNo">342</span> * @return true if the file is created, otherwise the file exists.<a name="line.342"></a> +<span class="sourceLineNo">343</span> * @throws IOException on file or parent directory creation failure<a name="line.343"></a> +<span class="sourceLineNo">344</span> */<a name="line.344"></a> +<span class="sourceLineNo">345</span> public static boolean create(final Configuration conf, final FileSystem fs,<a name="line.345"></a> +<span class="sourceLineNo">346</span> final Path dstFamilyPath, final HRegionInfo hfileRegionInfo,<a name="line.346"></a> +<span class="sourceLineNo">347</span> final String hfileName, final boolean createBackRef) throws IOException {<a name="line.347"></a> +<span class="sourceLineNo">348</span> TableName linkedTable = hfileRegionInfo.getTable();<a name="line.348"></a> +<span class="sourceLineNo">349</span> String linkedRegion = hfileRegionInfo.getEncodedName();<a name="line.349"></a> +<span class="sourceLineNo">350</span> return create(conf, fs, dstFamilyPath, linkedTable, linkedRegion, hfileName, createBackRef);<a name="line.350"></a> +<span class="sourceLineNo">351</span> }<a name="line.351"></a> +<span class="sourceLineNo">352</span><a name="line.352"></a> +<span class="sourceLineNo">353</span> /**<a name="line.353"></a> +<span class="sourceLineNo">354</span> * Create a new HFileLink<a name="line.354"></a> +<span class="sourceLineNo">355</span> *<a name="line.355"></a> +<span class="sourceLineNo">356</span> * <p>It also adds a back-reference to the hfile back-reference directory<a name="line.356"></a> +<span class="sourceLineNo">357</span> * to simplify the reference-count and the cleaning process.<a name="line.357"></a> +<span class="sourceLineNo">358</span> *<a name="line.358"></a> +<span class="sourceLineNo">359</span> * @param conf {@link Configuration} to read for the archive directory name<a name="line.359"></a> +<span class="sourceLineNo">360</span> * @param fs {@link FileSystem} on which to write the HFileLink<a name="line.360"></a> +<span class="sourceLineNo">361</span> * @param dstFamilyPath - Destination path (table/region/cf/)<a name="line.361"></a> +<span class="sourceLineNo">362</span> * @param linkedTable - Linked Table Name<a name="line.362"></a> +<span class="sourceLineNo">363</span> * @param linkedRegion - Linked Region Name<a name="line.363"></a> +<span class="sourceLineNo">364</span> * @param hfileName - Linked HFile name<a name="line.364"></a> +<span class="sourceLineNo">365</span> * @return true if the file is created, otherwise the file exists.<a name="line.365"></a> +<span class="sourceLineNo">366</span> * @throws IOException on file or parent directory creation failure<a name="line.366"></a> +<span class="sourceLineNo">367</span> */<a name="line.367"></a> +<span class="sourceLineNo">368</span> public static boolean create(final Configuration conf, final FileSystem fs,<a name="line.368"></a> +<span class="sourceLineNo">369</span> final Path dstFamilyPath, final TableName linkedTable, final String linkedRegion,<a name="line.369"></a> +<span class="sourceLineNo">370</span> final String hfileName) throws IOException {<a name="line.370"></a> +<span class="sourceLineNo">371</span> return create(conf, fs, dstFamilyPath, linkedTable, linkedRegion, hfileName, true);<a name="line.371"></a> +<span class="sourceLineNo">372</span> }<a name="line.372"></a> +<span class="sourceLineNo">373</span><a name="line.373"></a> +<span class="sourceLineNo">374</span> /**<a name="line.374"></a> +<span class="sourceLineNo">375</span> * Create a new HFileLink<a name="line.375"></a> +<span class="sourceLineNo">376</span> *<a name="line.376"></a> +<span class="sourceLineNo">377</span> * <p>It also adds a back-reference to the hfile back-reference directory<a name="line.377"></a> +<span class="sourceLineNo">378</span> * to simplify the reference-count and the cleaning process.<a name="line.378"></a> +<span class="sourceLineNo">379</span> *<a name="line.379"></a> +<span class="sourceLineNo">380</span> * @param conf {@link Configuration} to read for the archive directory name<a name="line.380"></a> +<span class="sourceLineNo">381</span> * @param fs {@link FileSystem} on which to write the HFileLink<a name="line.381"></a> +<span class="sourceLineNo">382</span> * @param dstFamilyPath - Destination path (table/region/cf/)<a name="line.382"></a> +<span class="sourceLineNo">383</span> * @param linkedTable - Linked Table Name<a name="line.383"></a> +<span class="sourceLineNo">384</span> * @param linkedRegion - Linked Region Name<a name="line.384"></a> +<span class="sourceLineNo">385</span> * @param hfileName - Linked HFile name<a name="line.385"></a> +<span class="sourceLineNo">386</span> * @param createBackRef - Whether back reference should be created. Defaults to true.<a name="line.386"></a> +<span class="sourceLineNo">387</span> * @return true if the file is created, otherwise the file exists.<a name="line.387"></a> +<span class="sourceLineNo">388</span> * @throws IOException on file or parent directory creation failure<a name="line.388"></a> +<span class="sourceLineNo">389</span> */<a name="line.389"></a> +<span class="sourceLineNo">390</span> public static boolean create(final Configuration conf, final FileSystem fs,<a name="line.390"></a> +<span class="sourceLineNo">391</span> final Path dstFamilyPath, final TableName linkedTable, final String linkedRegion,<a name="line.391"></a> +<span class="sourceLineNo">392</span> final String hfileName, final boolean createBackRef) throws IOException {<a name="line.392"></a> +<span class="sourceLineNo">393</span> String familyName = dstFamilyPath.getName();<a name="line.393"></a> +<span class="sourceLineNo">394</span> String regionName = dstFamilyPath.getParent().getName();<a name="line.394"></a> +<span class="sourceLineNo">395</span> String tableName = FSUtils.getTableName(dstFamilyPath.getParent().getParent())<a name="line.395"></a> +<span class="sourceLineNo">396</span> .getNameAsString();<a name="line.396"></a> +<span class="sourceLineNo">397</span><a name="line.397"></a> +<span class="sourceLineNo">398</span> String name = createHFileLinkName(linkedTable, linkedRegion, hfileName);<a name="line.398"></a> +<span class="sourceLineNo">399</span> String refName = createBackReferenceName(tableName, regionName);<a name="line.399"></a> +<span class="sourceLineNo">400</span><a name="line.400"></a> +<span class="sourceLineNo">401</span> // Make sure the destination directory exists<a name="line.401"></a> +<span class="sourceLineNo">402</span> fs.mkdirs(dstFamilyPath);<a name="line.402"></a> +<span class="sourceLineNo">403</span><a name="line.403"></a> +<span class="sourceLineNo">404</span> // Make sure the FileLink reference directory exists<a name="line.404"></a> +<span class="sourceLineNo">405</span> Path archiveStoreDir = HFileArchiveUtil.getStoreArchivePath(conf,<a name="line.405"></a> +<span class="sourceLineNo">406</span> linkedTable, linkedRegion, familyName);<a name="line.406"></a> +<span class="sourceLineNo">407</span> Path backRefPath = null;<a name="line.407"></a> +<span class="sourceLineNo">408</span> if (createBackRef) {<a name="line.408"></a> +<span class="sourceLineNo">409</span> Path backRefssDir = getBackReferencesDir(archiveStoreDir, hfileName);<a name="line.409"></a> +<span class="sourceLineNo">410</span> fs.mkdirs(backRefssDir);<a name="line.410"></a> +<span class="sourceLineNo">411</span><a name="line.411"></a> +<span class="sourceLineNo">412</span> // Create the reference for the link<a name="line.412"></a> +<span class="sourceLineNo">413</span> backRefPath = new Path(backRefssDir, refName);<a name="line.413"></a> +<span class="sourceLineNo">414</span> fs.createNewFile(backRefPath);<a name="line.414"></a> +<span class="sourceLineNo">415</span> }<a name="line.415"></a> +<span class="sourceLineNo">416</span> try {<a name="line.416"></a> +<span class="sourceLineNo">417</span> // Create the link<a name="line.417"></a> +<span class="sourceLineNo">418</span> return fs.createNewFile(new Path(dstFamilyPath, name));<a name="line.418"></a> +<span class="sourceLineNo">419</span> } catch (IOException e) {<a name="line.419"></a> +<span class="sourceLineNo">420</span> LOG.error("couldn't create the link=" + name + " for " + dstFamilyPath, e);<a name="line.420"></a> +<span class="sourceLineNo">421</span> // Revert the reference if the link creation failed<a name="line.421"></a> +<span class="sourceLineNo">422</span> if (createBackRef) {<a name="line.422"></a> +<span class="sourceLineNo">423</span> fs.delete(backRefPath, false);<a name="line.423"></a> +<span class="sourceLineNo">424</span> }<a name="line.424"></a> +<span class="sourceLineNo">425</span> throw e;<a name="line.425"></a> +<span class="sourceLineNo">426</span> }<a name="line.426"></a> +<span class="sourceLineNo">427</span> }<a name="line.427"></a> +<span class="sourceLineNo">428</span><a name="line.428"></a> +<span class="sourceLineNo">429</span> /**<a name="line.429"></a> +<span class="sourceLineNo">430</span> * Create a new HFileLink starting from a hfileLink name<a name="line.430"></a> +<span class="sourceLineNo">431</span> *<a name="line.431"></a> +<span class="sourceLineNo">432</span> * <p>It also adds a back-reference to the hfile back-reference directory<a name="line.432"></a> +<span class="sourceLineNo">433</span> * to simplify the reference-count and the cleaning process.<a name="line.433"></a> +<span class="sourceLineNo">434</span> *<a name="line.434"></a> +<span class="sourceLineNo">435</span> * @param conf {@link Configuration} to read for the archive directory name<a name="line.435"></a> +<span class="sourceLineNo">436</span> * @param fs {@link FileSystem} on which to write the HFileLink<a name="line.436"></a> +<span class="sourceLineNo">437</span> * @param dstFamilyPath - Destination path (table/region/cf/)<a name="line.437"></a> +<span class="sourceLineNo">438</span> * @param hfileLinkName - HFileLink name (it contains hfile-region-table)<a name="line.438"></a> +<span class="sourceLineNo">439</span> * @return true if the file is created, otherwise the file exists.<a name="line.439"></a> +<span class="sourceLineNo">440</span> * @throws IOException on file or parent directory creation failure<a name="line.440"></a> +<span class="sourceLineNo">441</span> */<a name="line.441"></a> +<span class="sourceLineNo">442</span> public static boolean createFromHFileLink(final Configuration conf, final FileSystem fs,<a name="line.442"></a> +<span class="sourceLineNo">443</span> final Path dstFamilyPath, final String hfileLinkName)<a name="line.443"></a> +<span class="sourceLineNo">444</span> throws IOException {<a name="line.444"></a> +<span class="sourceLineNo">445</span> return createFromHFileLink(conf, fs, dstFamilyPath, hfileLinkName, true);<a name="line.445"></a> +<span class="sourceLineNo">446</span> }<a name="line.446"></a> +<span class="sourceLineNo">447</span><a name="line.447"></a> +<span class="sourceLineNo">448</span> /**<a name="line.448"></a> +<span class="sourceLineNo">449</span> * Create a new HFileLink starting from a hfileLink name<a name="line.449"></a> +<span class="sourceLineNo">450</span> *<a name="line.450"></a> +<span class="sourceLineNo">451</span> * <p>It also adds a back-reference to the hfile back-reference directory<a name="line.451"></a> +<span class="sourceLineNo">452</span> * to simplify the reference-count and the cleaning process.<a name="line.452"></a> +<span class="sourceLineNo">453</span> *<a name="line.453"></a> +<span class="sourceLineNo">454</span> * @param conf {@link Configuration} to read for the archive directory name<a name="line.454"></a> +<span class="sourceLineNo">455</span> * @param fs {@link FileSystem} on which to write the HFileLink<a name="line.455"></a> +<span class="sourceLineNo">456</span> * @param dstFamilyPath - Destination path (table/region/cf/)<a name="line.456"></a> +<span class="sourceLineNo">457</span> * @param hfileLinkName - HFileLink name (it contains hfile-region-table)<a name="line.457"></a> +<span class="sourceLineNo">458</span> * @param createBackRef - Whether back reference should be created. Defaults to true.<a name="line.458"></a> +<span class="sourceLineNo">459</span> * @return true if the file is created, otherwise the file exists.<a name="line.459"></a> +<span class="sourceLineNo">460</span> * @throws IOException on file or parent directory creation failure<a name="line.460"></a> +<span class="sourceLineNo">461</span> */<a name="line.461"></a> +<span class="sourceLineNo">462</span> public static boolean createFromHFileLink(final Configuration conf, final FileSystem fs,<a name="line.462"></a> +<span class="sourceLineNo">463</span> final Path dstFamilyPath, final String hfileLinkName, final boolean createBackRef)<a name="line.463"></a> +<span class="sourceLineNo">464</span> throws IOException {<a name="line.464"></a> +<span class="sourceLineNo">465</span> Matcher m = LINK_NAME_PATTERN.matcher(hfileLinkName);<a name="line.465"></a> +<span class="sourceLineNo">466</span> if (!m.matches()) {<a name="line.466"></a> +<span class="sourceLineNo">467</span> throw new IllegalArgumentException(hfileLinkName + " is not a valid HFileLink name!");<a name="line.467"></a> +<span class="sourceLineNo">468</span> }<a name="line.468"></a> +<span class="sourceLineNo">469</span> return create(conf, fs, dstFamilyPath, TableName.valueOf(m.group(1), m.group(2)),<a name="line.469"></a> +<span class="sourceLineNo">470</span> m.group(3), m.group(4), createBackRef);<a name="line.470"></a> +<span class="sourceLineNo">471</span> }<a name="line.471"></a> +<span class="sourceLineNo">472</span><a name="line.472"></a> +<span class="sourceLineNo">473</span> /**<a name="line.473"></a> +<span class="sourceLineNo">474</span> * Create the back reference name<a name="line.474"></a> +<span class="sourceLineNo">475</span> */<a name="line.475"></a> +<span class="sourceLineNo">476</span> //package-private for testing<a name="line.476"></a> +<span class="sourceLineNo">477</span> static String createBackReferenceName(final String tableNameStr,<a name="line.477"></a> +<span class="sourceLineNo">478</span> final String regionName) {<a name="line.478"></a> +<span class="sourceLineNo">479</span><a name="line.479"></a> +<span class="sourceLineNo">480</span> return regionName + "." + tableNameStr.replace(TableName.NAMESPACE_DELIM, '=');<a name="line.480"></a> +<span class="sourceLineNo">481</span> }<a name="line.481"></a> +<span class="sourceLineNo">482</span><a name="line.482"></a> +<span class="sourceLineNo">483</span> /**<a name="line.4
<TRUNCATED>
