http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6b94a2f2/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.CollectAllVisitor.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.CollectAllVisitor.html b/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.CollectAllVisitor.html index df5fa53..8fffb89 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.CollectAllVisitor.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/MetaTableAccessor.CollectAllVisitor.html @@ -42,1927 +42,2060 @@ <span class="sourceLineNo">034</span>import java.util.TreeMap;<a name="line.34"></a> <span class="sourceLineNo">035</span>import java.util.regex.Matcher;<a name="line.35"></a> <span class="sourceLineNo">036</span>import java.util.regex.Pattern;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.hadoop.conf.Configuration;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.Cell.Type;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Consistency;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.Get;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Put;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.RegionServerCallable;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.Result;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.Table;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcChannel;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;<a name="line.60"></a> -<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.RegionSpecifier;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.RegionSpecifier.RegionSpecifierType;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos.MutateRowsRequest;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos.MutateRowsResponse;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.util.ExceptionUtil;<a name="line.68"></a> -<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.69"></a> -<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.util.PairOfSameType;<a name="line.70"></a> -<span class="sourceLineNo">071</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.71"></a> -<span class="sourceLineNo">072</span>import org.slf4j.Logger;<a name="line.72"></a> -<span class="sourceLineNo">073</span>import org.slf4j.LoggerFactory;<a name="line.73"></a> -<span class="sourceLineNo">074</span><a name="line.74"></a> -<span class="sourceLineNo">075</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.75"></a> -<span class="sourceLineNo">076</span><a name="line.76"></a> -<span class="sourceLineNo">077</span>/**<a name="line.77"></a> -<span class="sourceLineNo">078</span> * <p><a name="line.78"></a> -<span class="sourceLineNo">079</span> * Read/write operations on region and assignment information store in <code>hbase:meta</code>.<a name="line.79"></a> -<span class="sourceLineNo">080</span> * </p><a name="line.80"></a> +<span class="sourceLineNo">037</span>import java.util.stream.Collectors;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import java.util.stream.Stream;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.conf.Configuration;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.Cell.Type;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.Consistency;<a name="line.43"></a> +<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.44"></a> +<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Get;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.46"></a> +<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.Put;<a name="line.47"></a> +<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.48"></a> +<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.client.RegionInfoBuilder;<a name="line.49"></a> +<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.client.RegionLocator;<a name="line.50"></a> +<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.client.RegionReplicaUtil;<a name="line.51"></a> +<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.client.RegionServerCallable;<a name="line.52"></a> +<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.client.Result;<a name="line.53"></a> +<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.54"></a> +<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.55"></a> +<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.Table;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcChannel;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.master.RegionState;<a name="line.60"></a> +<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.master.RegionState.State;<a name="line.61"></a> +<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.62"></a> +<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.protobuf.generated.ClientProtos;<a name="line.63"></a> +<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.RegionSpecifier;<a name="line.64"></a> +<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.RegionSpecifier.RegionSpecifierType;<a name="line.65"></a> +<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos;<a name="line.66"></a> +<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos.MutateRowsRequest;<a name="line.67"></a> +<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.protobuf.generated.MultiRowMutationProtos.MutateRowsResponse;<a name="line.68"></a> +<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.69"></a> +<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.70"></a> +<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.util.ExceptionUtil;<a name="line.71"></a> +<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.72"></a> +<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.util.PairOfSameType;<a name="line.73"></a> +<span class="sourceLineNo">074</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.74"></a> +<span class="sourceLineNo">075</span>import org.slf4j.Logger;<a name="line.75"></a> +<span class="sourceLineNo">076</span>import org.slf4j.LoggerFactory;<a name="line.76"></a> +<span class="sourceLineNo">077</span><a name="line.77"></a> +<span class="sourceLineNo">078</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.78"></a> +<span class="sourceLineNo">079</span><a name="line.79"></a> +<span class="sourceLineNo">080</span>/**<a name="line.80"></a> <span class="sourceLineNo">081</span> * <p><a name="line.81"></a> -<span class="sourceLineNo">082</span> * Some of the methods of this class take ZooKeeperWatcher as a param. 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class="sourceLineNo">100</span> * For each table range, there is a single row, formatted like:<a name="line.100"></a> -<span class="sourceLineNo">101</span> * &lt;tableName&gt;,&lt;startKey&gt;,&lt;regionId&gt;,&lt;encodedRegionName&gt;.<a name="line.101"></a> -<span class="sourceLineNo">102</span> * This row corresponds to the regionName of the default region replica.<a name="line.102"></a> -<span class="sourceLineNo">103</span> * Columns are:<a name="line.103"></a> -<span class="sourceLineNo">104</span> * info:regioninfo => contains serialized HRI for the default region replica<a name="line.104"></a> -<span class="sourceLineNo">105</span> * info:server => contains hostname:port (in string form) for the server hosting<a name="line.105"></a> -<span class="sourceLineNo">106</span> * the default regionInfo replica<a name="line.106"></a> -<span class="sourceLineNo">107</span> * info:server_&lt;replicaId&gt => contains hostname:port (in string form) for the server hosting<a 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class="sourceLineNo">116</span> * info:seqnumDuringOpen_&lt;replicaId&gt => contains seqNum (in binary long form) for the region<a name="line.116"></a> -<span class="sourceLineNo">117</span> * at the time the server opened the region with<a name="line.117"></a> -<span class="sourceLineNo">118</span> * replicaId<a name="line.118"></a> -<span class="sourceLineNo">119</span> * info:splitA => contains a serialized HRI for the first daughter region if the<a name="line.119"></a> -<span class="sourceLineNo">120</span> * region is split<a name="line.120"></a> -<span class="sourceLineNo">121</span> * info:splitB => contains a serialized HRI for the second daughter region if the<a name="line.121"></a> -<span class="sourceLineNo">122</span> * region is split<a name="line.122"></a> -<span class="sourceLineNo">123</span> * info:mergeA => contains a serialized HRI for the first parent region if the<a name="line.123"></a> -<span class="sourceLineNo">124</span> * region is the result of a merge<a name="line.124"></a> -<span class="sourceLineNo">125</span> * info:mergeB => contains a serialized HRI for the second parent region if the<a name="line.125"></a> -<span class="sourceLineNo">126</span> * region is the result of a merge<a name="line.126"></a> -<span class="sourceLineNo">127</span> * </pre><a name="line.127"></a> -<span class="sourceLineNo">128</span> * </p><a name="line.128"></a> -<span class="sourceLineNo">129</span> * <p><a name="line.129"></a> -<span class="sourceLineNo">130</span> * The actual layout of meta should be encapsulated inside MetaTableAccessor methods, and should not<a name="line.130"></a> -<span class="sourceLineNo">131</span> * leak out of it (through Result objects, etc)<a name="line.131"></a> -<span class="sourceLineNo">132</span> * </p><a name="line.132"></a> -<span class="sourceLineNo">133</span> */<a name="line.133"></a> -<span class="sourceLineNo">134</span>@InterfaceAudience.Private<a name="line.134"></a> -<span class="sourceLineNo">135</span>public class MetaTableAccessor {<a name="line.135"></a> -<span class="sourceLineNo">136</span><a name="line.136"></a> -<span class="sourceLineNo">137</span> private static final Logger LOG = LoggerFactory.getLogger(MetaTableAccessor.class);<a name="line.137"></a> -<span class="sourceLineNo">138</span> private static final Logger METALOG = LoggerFactory.getLogger("org.apache.hadoop.hbase.META");<a name="line.138"></a> +<span class="sourceLineNo">082</span> * Read/write operations on region and assignment information store in <code>hbase:meta</code>.<a name="line.82"></a> +<span class="sourceLineNo">083</span> * </p><a name="line.83"></a> +<span class="sourceLineNo">084</span> * <p><a name="line.84"></a> +<span class="sourceLineNo">085</span> * Some of the methods of this class take ZooKeeperWatcher as a param. 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class="sourceLineNo">103</span> * For each table range, there is a single row, formatted like:<a name="line.103"></a> +<span class="sourceLineNo">104</span> * &lt;tableName&gt;,&lt;startKey&gt;,&lt;regionId&gt;,&lt;encodedRegionName&gt;.<a name="line.104"></a> +<span class="sourceLineNo">105</span> * This row corresponds to the regionName of the default region replica.<a name="line.105"></a> +<span class="sourceLineNo">106</span> * Columns are:<a name="line.106"></a> +<span class="sourceLineNo">107</span> * info:regioninfo => contains serialized HRI for the default region replica<a name="line.107"></a> +<span class="sourceLineNo">108</span> * info:server => contains hostname:port (in string form) for the server hosting<a name="line.108"></a> +<span class="sourceLineNo">109</span> * the default regionInfo replica<a name="line.109"></a> +<span class="sourceLineNo">110</span> * info:server_&lt;replicaId&gt => contains hostname:port (in string form) for the server hosting<a name="line.110"></a> +<span class="sourceLineNo">111</span> * the regionInfo replica with replicaId<a name="line.111"></a> +<span class="sourceLineNo">112</span> * info:serverstartcode => contains server start code (in binary long form) for the server<a name="line.112"></a> +<span class="sourceLineNo">113</span> * hosting the default regionInfo replica<a name="line.113"></a> +<span class="sourceLineNo">114</span> * info:serverstartcode_&lt;replicaId&gt => contains server start code (in binary long form) for<a name="line.114"></a> +<span class="sourceLineNo">115</span> * the server hosting the regionInfo replica with<a name="line.115"></a> +<span class="sourceLineNo">116</span> * replicaId<a name="line.116"></a> +<span class="sourceLineNo">117</span> * info:seqnumDuringOpen => contains seqNum (in binary long form) for the region at the time<a name="line.117"></a> +<span class="sourceLineNo">118</span> * the server opened the region with default replicaId<a name="line.118"></a> +<span class="sourceLineNo">119</span> * info:seqnumDuringOpen_&lt;replicaId&gt => contains seqNum (in binary long form) for the region<a name="line.119"></a> +<span class="sourceLineNo">120</span> * at the time the server opened the region with<a name="line.120"></a> +<span class="sourceLineNo">121</span> * replicaId<a name="line.121"></a> +<span class="sourceLineNo">122</span> * info:splitA => contains a serialized HRI for the first daughter region if the<a name="line.122"></a> +<span class="sourceLineNo">123</span> * region is split<a name="line.123"></a> +<span class="sourceLineNo">124</span> * info:splitB => contains a serialized HRI for the second daughter region if the<a name="line.124"></a> +<span class="sourceLineNo">125</span> * region is split<a name="line.125"></a> +<span class="sourceLineNo">126</span> * info:mergeA => contains a serialized HRI for the first parent region if the<a name="line.126"></a> +<span class="sourceLineNo">127</span> * region is the result of a merge<a name="line.127"></a> +<span class="sourceLineNo">128</span> * info:mergeB => contains a serialized HRI for the second parent region if the<a name="line.128"></a> +<span class="sourceLineNo">129</span> * region is the result of a merge<a name="line.129"></a> +<span class="sourceLineNo">130</span> * </pre><a name="line.130"></a> +<span class="sourceLineNo">131</span> * </p><a name="line.131"></a> +<span class="sourceLineNo">132</span> * <p><a name="line.132"></a> +<span class="sourceLineNo">133</span> * The actual layout of meta should be encapsulated inside MetaTableAccessor methods, and should not<a name="line.133"></a> +<span class="sourceLineNo">134</span> * leak out of it (through Result objects, etc)<a name="line.134"></a> +<span class="sourceLineNo">135</span> * </p><a name="line.135"></a> +<span class="sourceLineNo">136</span> */<a name="line.136"></a> +<span class="sourceLineNo">137</span>@InterfaceAudience.Private<a name="line.137"></a> +<span class="sourceLineNo">138</span>public class MetaTableAccessor {<a name="line.138"></a> <span class="sourceLineNo">139</span><a name="line.139"></a> -<span class="sourceLineNo">140</span> static final byte [] META_REGION_PREFIX;<a name="line.140"></a> -<span class="sourceLineNo">141</span> static {<a name="line.141"></a> -<span class="sourceLineNo">142</span> // Copy the prefix from FIRST_META_REGIONINFO into META_REGION_PREFIX.<a name="line.142"></a> -<span class="sourceLineNo">143</span> // FIRST_META_REGIONINFO == 'hbase:meta,,1'. META_REGION_PREFIX == 'hbase:meta,'<a name="line.143"></a> -<span class="sourceLineNo">144</span> int len = RegionInfoBuilder.FIRST_META_REGIONINFO.getRegionName().length - 2;<a name="line.144"></a> -<span class="sourceLineNo">145</span> META_REGION_PREFIX = new byte [len];<a name="line.145"></a> -<span class="sourceLineNo">146</span> System.arraycopy(RegionInfoBuilder.FIRST_META_REGIONINFO.getRegionName(), 0,<a name="line.146"></a> -<span class="sourceLineNo">147</span> META_REGION_PREFIX, 0, len);<a name="line.147"></a> -<span class="sourceLineNo">148</span> }<a name="line.148"></a> -<span class="sourceLineNo">149</span><a name="line.149"></a> -<span class="sourceLineNo">150</span> /**<a name="line.150"></a> -<span class="sourceLineNo">151</span> * Lists all of the table regions currently in META.<a name="line.151"></a> -<span class="sourceLineNo">152</span> * Deprecated, keep there until some test use this.<a name="line.152"></a> -<span class="sourceLineNo">153</span> * @param connection what we will use<a name="line.153"></a> -<span class="sourceLineNo">154</span> * @param tableName table to list<a name="line.154"></a> -<span class="sourceLineNo">155</span> * @return Map of all user-space regions to servers<a name="line.155"></a> -<span class="sourceLineNo">156</span> * @deprecated use {@link #getTableRegionsAndLocations}, region can have multiple locations<a name="line.156"></a> -<span class="sourceLineNo">157</span> */<a name="line.157"></a> -<span class="sourceLineNo">158</span> @Deprecated<a name="line.158"></a> -<span class="sourceLineNo">159</span> public static NavigableMap<RegionInfo, ServerName> allTableRegions(<a name="line.159"></a> -<span class="sourceLineNo">160</span> Connection connection, final TableName tableName) throws IOException {<a name="line.160"></a> -<span class="sourceLineNo">161</span> final NavigableMap<RegionInfo, ServerName> regions = new TreeMap<>();<a name="line.161"></a> -<span class="sourceLineNo">162</span> Visitor visitor = new TableVisitorBase(tableName) {<a name="line.162"></a> -<span class="sourceLineNo">163</span> @Override<a name="line.163"></a> -<span class="sourceLineNo">164</span> public boolean visitInternal(Result result) throws IOException {<a name="line.164"></a> -<span class="sourceLineNo">165</span> RegionLocations locations = getRegionLocations(result);<a name="line.165"></a> -<span class="sourceLineNo">166</span> if (locations == null) return true;<a name="line.166"></a> -<span class="sourceLineNo">167</span> for (HRegionLocation loc : locations.getRegionLocations()) {<a name="line.167"></a> -<span class="sourceLineNo">168</span> if (loc != null) {<a name="line.168"></a> -<span class="sourceLineNo">169</span> RegionInfo regionInfo = loc.getRegionInfo();<a name="line.169"></a> -<span class="sourceLineNo">170</span> regions.put(regionInfo, loc.getServerName());<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 true;<a name="line.173"></a> -<span class="sourceLineNo">174</span> }<a name="line.174"></a> -<span class="sourceLineNo">175</span> };<a name="line.175"></a> -<span class="sourceLineNo">176</span> scanMetaForTableRegions(connection, visitor, tableName);<a name="line.176"></a> -<span class="sourceLineNo">177</span> return regions;<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> @InterfaceAudience.Private<a name="line.180"></a> -<span class="sourceLineNo">181</span> public enum QueryType {<a name="line.181"></a> -<span class="sourceLineNo">182</span> ALL(HConstants.TABLE_FAMILY, HConstants.CATALOG_FAMILY),<a name="line.182"></a> -<span class="sourceLineNo">183</span> REGION(HConstants.CATALOG_FAMILY),<a name="line.183"></a> -<span class="sourceLineNo">184</span> TABLE(HConstants.TABLE_FAMILY);<a name="line.184"></a> -<span class="sourceLineNo">185</span><a name="line.185"></a> -<span class="sourceLineNo">186</span> private final byte[][] families;<a name="line.186"></a> +<span class="sourceLineNo">140</span> private static final Logger LOG = LoggerFactory.getLogger(MetaTableAccessor.class);<a name="line.140"></a> +<span class="sourceLineNo">141</span> private static final Logger METALOG = LoggerFactory.getLogger("org.apache.hadoop.hbase.META");<a name="line.141"></a> +<span class="sourceLineNo">142</span><a name="line.142"></a> +<span class="sourceLineNo">143</span> private static final byte[] META_REGION_PREFIX;<a name="line.143"></a> +<span class="sourceLineNo">144</span> static {<a name="line.144"></a> +<span class="sourceLineNo">145</span> // Copy the prefix from FIRST_META_REGIONINFO into META_REGION_PREFIX.<a name="line.145"></a> +<span class="sourceLineNo">146</span> // FIRST_META_REGIONINFO == 'hbase:meta,,1'. META_REGION_PREFIX == 'hbase:meta,'<a name="line.146"></a> +<span class="sourceLineNo">147</span> int len = RegionInfoBuilder.FIRST_META_REGIONINFO.getRegionName().length - 2;<a name="line.147"></a> +<span class="sourceLineNo">148</span> META_REGION_PREFIX = new byte [len];<a name="line.148"></a> +<span class="sourceLineNo">149</span> System.arraycopy(RegionInfoBuilder.FIRST_META_REGIONINFO.getRegionName(), 0,<a name="line.149"></a> +<span class="sourceLineNo">150</span> META_REGION_PREFIX, 0, len);<a name="line.150"></a> +<span class="sourceLineNo">151</span> }<a name="line.151"></a> +<span class="sourceLineNo">152</span><a name="line.152"></a> +<span class="sourceLineNo">153</span> private static final byte[] REPLICATION_PARENT_QUALIFIER = Bytes.toBytes("parent");<a name="line.153"></a> +<span class="sourceLineNo">154</span><a name="line.154"></a> +<span class="sourceLineNo">155</span> private static final String REPLICATION_PARENT_SEPARATOR = "|";<a name="line.155"></a> +<span class="sourceLineNo">156</span><a name="line.156"></a> +<span class="sourceLineNo">157</span> private static final String REPLICATION_PARENT_SEPARATOR_REGEX = "\\|";<a name="line.157"></a> +<span class="sourceLineNo">158</span> /**<a name="line.158"></a> +<span class="sourceLineNo">159</span> * Lists all of the table regions currently in META.<a name="line.159"></a> +<span class="sourceLineNo">160</span> * Deprecated, keep there until some test use this.<a name="line.160"></a> +<span class="sourceLineNo">161</span> * @param connection what we will use<a name="line.161"></a> +<span class="sourceLineNo">162</span> * @param tableName table to list<a name="line.162"></a> +<span class="sourceLineNo">163</span> * @return Map of all user-space regions to servers<a name="line.163"></a> +<span class="sourceLineNo">164</span> * @deprecated use {@link #getTableRegionsAndLocations}, region can have multiple locations<a name="line.164"></a> +<span class="sourceLineNo">165</span> */<a name="line.165"></a> +<span class="sourceLineNo">166</span> @Deprecated<a name="line.166"></a> +<span class="sourceLineNo">167</span> public static NavigableMap<RegionInfo, ServerName> allTableRegions(<a name="line.167"></a> +<span class="sourceLineNo">168</span> Connection connection, final TableName tableName) throws IOException {<a name="line.168"></a> +<span class="sourceLineNo">169</span> final NavigableMap<RegionInfo, ServerName> regions = new TreeMap<>();<a name="line.169"></a> +<span class="sourceLineNo">170</span> Visitor visitor = new TableVisitorBase(tableName) {<a name="line.170"></a> +<span class="sourceLineNo">171</span> @Override<a name="line.171"></a> +<span class="sourceLineNo">172</span> public boolean visitInternal(Result result) throws IOException {<a name="line.172"></a> +<span class="sourceLineNo">173</span> RegionLocations locations = getRegionLocations(result);<a name="line.173"></a> +<span class="sourceLineNo">174</span> if (locations == null) return true;<a name="line.174"></a> +<span class="sourceLineNo">175</span> for (HRegionLocation loc : locations.getRegionLocations()) {<a name="line.175"></a> +<span class="sourceLineNo">176</span> if (loc != null) {<a name="line.176"></a> +<span class="sourceLineNo">177</span> RegionInfo regionInfo = loc.getRegionInfo();<a name="line.177"></a> +<span class="sourceLineNo">178</span> regions.put(regionInfo, loc.getServerName());<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 true;<a name="line.181"></a> +<span class="sourceLineNo">182</span> }<a name="line.182"></a> +<span class="sourceLineNo">183</span> };<a name="line.183"></a> +<span class="sourceLineNo">184</span> scanMetaForTableRegions(connection, visitor, tableName);<a name="line.184"></a> +<span class="sourceLineNo">185</span> return regions;<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> QueryType(byte[]... families) {<a name="line.188"></a> -<span class="sourceLineNo">189</span> this.families = families;<a name="line.189"></a> -<span class="sourceLineNo">190</span> }<a name="line.190"></a> -<span class="sourceLineNo">191</span><a name="line.191"></a> -<span class="sourceLineNo">192</span> byte[][] getFamilies() {<a name="line.192"></a> -<span class="sourceLineNo">193</span> return this.families;<a name="line.193"></a> -<span class="sourceLineNo">194</span> }<a name="line.194"></a> -<span class="sourceLineNo">195</span> }<a name="line.195"></a> -<span class="sourceLineNo">196</span><a name="line.196"></a> -<span class="sourceLineNo">197</span> /** The delimiter for meta columns for replicaIds &gt; 0 */<a name="line.197"></a> -<span class="sourceLineNo">198</span> protected static final char META_REPLICA_ID_DELIMITER = '_';<a name="line.198"></a> +<span class="sourceLineNo">188</span> @InterfaceAudience.Private<a name="line.188"></a> +<span class="sourceLineNo">189</span> public enum QueryType {<a name="line.189"></a> +<span class="sourceLineNo">190</span> ALL(HConstants.TABLE_FAMILY, HConstants.CATALOG_FAMILY),<a name="line.190"></a> +<span class="sourceLineNo">191</span> REGION(HConstants.CATALOG_FAMILY),<a name="line.191"></a> +<span class="sourceLineNo">192</span> TABLE(HConstants.TABLE_FAMILY);<a name="line.192"></a> +<span class="sourceLineNo">193</span><a name="line.193"></a> +<span class="sourceLineNo">194</span> private final byte[][] families;<a name="line.194"></a> +<span class="sourceLineNo">195</span><a name="line.195"></a> +<span class="sourceLineNo">196</span> QueryType(byte[]... families) {<a name="line.196"></a> +<span class="sourceLineNo">197</span> this.families = families;<a name="line.197"></a> +<span class="sourceLineNo">198</span> }<a name="line.198"></a> <span class="sourceLineNo">199</span><a name="line.199"></a> -<span class="sourceLineNo">200</span> /** A regex for parsing server columns from meta. See above javadoc for meta layout */<a name="line.200"></a> -<span class="sourceLineNo">201</span> private static final Pattern SERVER_COLUMN_PATTERN<a name="line.201"></a> -<span class="sourceLineNo">202</span> = Pattern.compile("^server(_[0-9a-fA-F]{4})?$");<a name="line.202"></a> -<span class="sourceLineNo">203</span><a name="line.203"></a> -<span class="sourceLineNo">204</span> ////////////////////////<a name="line.204"></a> -<span class="sourceLineNo">205</span> // Reading operations //<a name="line.205"></a> -<span class="sourceLineNo">206</span> ////////////////////////<a name="line.206"></a> +<span class="sourceLineNo">200</span> byte[][] getFamilies() {<a name="line.200"></a> +<span class="sourceLineNo">201</span> return this.families;<a name="line.201"></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><a name="line.204"></a> +<span class="sourceLineNo">205</span> /** The delimiter for meta columns for replicaIds &gt; 0 */<a name="line.205"></a> +<span class="sourceLineNo">206</span> protected static final char META_REPLICA_ID_DELIMITER = '_';<a name="line.206"></a> <span class="sourceLineNo">207</span><a name="line.207"></a> -<span class="sourceLineNo">208</span> /**<a name="line.208"></a> -<span class="sourceLineNo">209</span> * Performs a full scan of <code>hbase:meta</code> for regions.<a name="line.209"></a> -<span class="sourceLineNo">210</span> * @param connection connection we're using<a name="line.210"></a> -<span class="sourceLineNo">211</span> * @param visitor Visitor invoked against each row in regions family.<a name="line.211"></a> -<span class="sourceLineNo">212</span> */<a name="line.212"></a> -<span class="sourceLineNo">213</span> public static void fullScanRegions(Connection connection,<a name="line.213"></a> -<span class="sourceLineNo">214</span> final Visitor visitor)<a name="line.214"></a> -<span class="sourceLineNo">215</span> throws IOException {<a name="line.215"></a> -<span class="sourceLineNo">216</span> scanMeta(connection, null, null, QueryType.REGION, visitor);<a name="line.216"></a> -<span class="sourceLineNo">217</span> }<a name="line.217"></a> -<span class="sourceLineNo">218</span><a name="line.218"></a> -<span class="sourceLineNo">219</span> /**<a name="line.219"></a> -<span class="sourceLineNo">220</span> * Performs a full scan of <code>hbase:meta</code> for regions.<a name="line.220"></a> -<span class="sourceLineNo">221</span> * @param connection connection we're using<a name="line.221"></a> -<span class="sourceLineNo">222</span> */<a name="line.222"></a> -<span class="sourceLineNo">223</span> public static List<Result> fullScanRegions(Connection connection)<a name="line.223"></a> -<span class="sourceLineNo">224</span> throws IOException {<a name="line.224"></a> -<span class="sourceLineNo">225</span> return fullScan(connection, QueryType.REGION);<a 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QueryType.TABLE, visitor);<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> * Performs a full scan of <code>hbase:meta</code>.<a name="line.240"></a> -<span class="sourceLineNo">241</span> * @param connection connection we're using<a name="line.241"></a> -<span class="sourceLineNo">242</span> * @param type scanned part of meta<a name="line.242"></a> -<span class="sourceLineNo">243</span> * @return List of {@link Result}<a name="line.243"></a> -<span class="sourceLineNo">244</span> */<a name="line.244"></a> -<span class="sourceLineNo">245</span> public static List<Result> fullScan(Connection connection, QueryType type)<a name="line.245"></a> -<span class="sourceLineNo">246</span> throws IOException {<a name="line.246"></a> -<span class="sourceLineNo">247</span> CollectAllVisitor v = new CollectAllVisitor();<a name="line.247"></a> -<span class="sourceLineNo">248</span> scanMeta(connection, null, null, type, v);<a name="line.248"></a> -<span class="sourceLineNo">249</span> return v.getResults();<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> * Callers should call close on the returned {@link Table} instance.<a name="line.253"></a> -<span class="sourceLineNo">254</span> * @param connection connection we're using to access Meta<a name="line.254"></a> -<span class="sourceLineNo">255</span> * @return An {@link Table} for <code>hbase:meta</code><a name="line.255"></a> -<span class="sourceLineNo">256</span> */<a name="line.256"></a> -<span class="sourceLineNo">257</span> public static Table getMetaHTable(final Connection connection)<a name="line.257"></a> -<span class="sourceLineNo">258</span> throws IOException {<a name="line.258"></a> -<span class="sourceLineNo">259</span> // We used to pass whole CatalogTracker in here, now we just pass in Connection<a name="line.259"></a> -<span class="sourceLineNo">260</span> if (connection == null) {<a name="line.260"></a> -<span class="sourceLineNo">261</span> throw new NullPointerException("No connection");<a name="line.261"></a> -<span class="sourceLineNo">262</span> } else if (connection.isClosed()) {<a name="line.262"></a> -<span class="sourceLineNo">263</span> throw new IOException("connection is closed");<a name="line.263"></a> -<span class="sourceLineNo">264</span> }<a name="line.264"></a> -<span class="sourceLineNo">265</span> return connection.getTable(TableName.META_TABLE_NAME);<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> /**<a name="line.268"></a> -<span class="sourceLineNo">269</span> * @param t Table to use (will be closed when done).<a name="line.269"></a> -<span class="sourceLineNo">270</span> * @param g Get to run<a name="line.270"></a> -<span class="sourceLineNo">271</span> */<a name="line.271"></a> -<span class="sourceLineNo">272</span> private static Result get(final Table t, final Get g) throws IOException {<a name="line.272"></a> -<span class="sourceLineNo">273</span> if (t == null) return null;<a name="line.273"></a> -<span class="sourceLineNo">274</span> try {<a name="line.274"></a> -<span class="sourceLineNo">275</span> return t.get(g);<a name="line.275"></a> -<span class="sourceLineNo">276</span> } finally {<a name="line.276"></a> -<span class="sourceLineNo">277</span> t.close();<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> /**<a name="line.281"></a> -<span class="sourceLineNo">282</span> * Gets the region info and assignment for the specified region.<a name="line.282"></a> -<span class="sourceLineNo">283</span> * @param connection connection we're using<a name="line.283"></a> -<span class="sourceLineNo">284</span> * @param regionName Region to lookup.<a name="line.284"></a> -<span class="sourceLineNo">285</span> * @return Location and RegionInfo for <code>regionName</code><a name="line.285"></a> -<span class="sourceLineNo">286</span> * @deprecated use {@link #getRegionLocation(Connection, byte[])} instead<a name="line.286"></a> -<span class="sourceLineNo">287</span> */<a name="line.287"></a> -<span class="sourceLineNo">288</span> @Deprecated<a name="line.288"></a> -<span class="sourceLineNo">289</span> public static Pair<RegionInfo, ServerName> getRegion(Connection connection, byte [] regionName)<a name="line.289"></a> -<span class="sourceLineNo">290</span> throws IOException {<a name="line.290"></a> -<span class="sourceLineNo">291</span> HRegionLocation location = getRegionLocation(connection, regionName);<a name="line.291"></a> -<span class="sourceLineNo">292</span> return location == null<a name="line.292"></a> -<span class="sourceLineNo">293</span> ? null<a name="line.293"></a> -<span class="sourceLineNo">294</span> : new Pair<>(location.getRegionInfo(), location.getServerName());<a name="line.294"></a> -<span class="sourceLineNo">295</span> }<a name="line.295"></a> -<span class="sourceLineNo">296</span><a name="line.296"></a> -<span class="sourceLineNo">297</span> /**<a name="line.297"></a> -<span class="sourceLineNo">298</span> * Returns the HRegionLocation from meta for the given region<a name="line.298"></a> -<span class="sourceLineNo">299</span> * @param connection connection we're using<a name="line.299"></a> -<span class="sourceLineNo">300</span> * @param regionName region we're looking for<a name="line.300"></a> -<span 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// Ignore. This is used with tableName passed as regionName.<a name="line.311"></a> -<span class="sourceLineNo">312</span> }<a name="line.312"></a> -<span class="sourceLineNo">313</span> Get get = new Get(row);<a name="line.313"></a> -<span class="sourceLineNo">314</span> get.addFamily(HConstants.CATALOG_FAMILY);<a name="line.314"></a> -<span class="sourceLineNo">315</span> Result r = get(getMetaHTable(connection), get);<a name="line.315"></a> -<span class="sourceLineNo">316</span> RegionLocations locations = getRegionLocations(r);<a name="line.316"></a> -<span class="sourceLineNo">317</span> return locations == null ? null<a name="line.317"></a> -<span class="sourceLineNo">318</span> : locations.getRegionLocation(parsedInfo == null ? 0 : parsedInfo.getReplicaId());<a name="line.318"></a> -<span class="sourceLineNo">319</span> }<a name="line.319"></a> -<span class="sourceLineNo">320</span><a name="line.320"></a> -<span class="sourceLineNo">321</span> /**<a name="line.321"></a> -<span class="sourceLineNo">322</span> * Returns the HRegionLocation from meta for the given region<a name="line.322"></a> -<span class="sourceLineNo">323</span> * @param connection connection we're using<a name="line.323"></a> -<span class="sourceLineNo">324</span> * @param regionInfo region information<a name="line.324"></a> -<span class="sourceLineNo">325</span> * @return HRegionLocation for the given region<a name="line.325"></a> -<span class="sourceLineNo">326</span> */<a name="line.326"></a> -<span class="sourceLineNo">327</span> public static HRegionLocation getRegionLocation(Connection connection, RegionInfo regionInfo)<a name="line.327"></a> -<span class="sourceLineNo">328</span> throws IOException {<a name="line.328"></a> -<span class="sourceLineNo">329</span> byte[] row = getMetaKeyForRegion(regionInfo);<a name="line.329"></a> -<span class="sourceLineNo">330</span> Get get = new Get(row);<a name="line.330"></a> -<span class="sourceLineNo">331</span> get.addFamily(HConstants.CATALOG_FAMILY);<a name="line.331"></a> -<span class="sourceLineNo">332</span> Result r = get(getMetaHTable(connection), get);<a name="line.332"></a> -<span class="sourceLineNo">333</span> return getRegionLocation(r, regionInfo, regionInfo.getReplicaId());<a name="line.333"></a> -<span class="sourceLineNo">334</span> }<a name="line.334"></a> -<span class="sourceLineNo">335</span><a name="line.335"></a> -<span class="sourceLineNo">336</span> /** Returns the row key to use for this regionInfo */<a name="line.336"></a> -<span class="sourceLineNo">337</span> public static byte[] getMetaKeyForRegion(RegionInfo regionInfo) {<a name="line.337"></a> -<span class="sourceLineNo">338</span> return RegionReplicaUtil.getRegionInfoForDefaultReplica(regionInfo).getRegionName();<a name="line.338"></a> -<span class="sourceLineNo">339</span> }<a name="line.339"></a> -<span class="sourceLineNo">340</span><a name="line.340"></a> -<span class="sourceLineNo">341</span> /** Returns an HRI parsed from this regionName. Not all the fields of the HRI<a name="line.341"></a> -<span class="sourceLineNo">342</span> * is stored in the name, so the returned object should only be used for the fields<a name="line.342"></a> -<span class="sourceLineNo">343</span> * in the regionName.<a name="line.343"></a> -<span class="sourceLineNo">344</span> */<a name="line.344"></a> -<span class="sourceLineNo">345</span> public static RegionInfo parseRegionInfoFromRegionName(byte[] regionName) throws IOException {<a name="line.345"></a> -<span class="sourceLineNo">346</span> byte[][] fields = RegionInfo.parseRegionName(regionName);<a name="line.346"></a> -<span class="sourceLineNo">347</span> long regionId = Long.parseLong(Bytes.toString(fields[2]));<a name="line.347"></a> -<span class="sourceLineNo">348</span> int replicaId = fields.length > 3 ? Integer.parseInt(Bytes.toString(fields[3]), 16) : 0;<a name="line.348"></a> -<span class="sourceLineNo">349</span> return RegionInfoBuilder.newBuilder(TableName.valueOf(fields[0]))<a name="line.349"></a> -<span class="sourceLineNo">350</span> .setStartKey(fields[1])<a name="line.350"></a> -<span class="sourceLineNo">351</span> .setEndKey(fields[2])<a name="line.351"></a> -<span class="sourceLineNo">352</span> .setSplit(false)<a name="line.352"></a> -<span class="sourceLineNo">353</span> .setRegionId(regionId)<a name="line.353"></a> -<span class="sourceLineNo">354</span> .setReplicaId(replicaId)<a name="line.354"></a> -<span class="sourceLineNo">355</span> .build();<a name="line.355"></a> -<span class="sourceLineNo">356</span> }<a name="line.356"></a> -<span class="sourceLineNo">357</span><a name="line.357"></a> -<span class="sourceLineNo">358</span> /**<a name="line.358"></a> -<span class="sourceLineNo">359</span> * Gets the result in hbase:meta for the specified region.<a name="line.359"></a> -<span class="sourceLineNo">360</span> * @param connection connection we're using<a name="line.360"></a> -<span class="sourceLineNo">361</span> * @param regionName region we're looking for<a name="line.361"></a> -<span class="sourceLineNo">362</span> * @return result of the specified region<a name="line.362"></a> -<span class="sourceLineNo">363</span> */<a name="line.363"></a> -<span class="sourceLineNo">364</span> public static Result getRegionResult(Connection connection,<a name="line.364"></a> -<span class="sourceLineNo">365</span> byte[] regionName) throws IOException {<a name="line.365"></a> -<span class="sourceLineNo">366</span> Get get = new Get(regionName);<a name="line.366"></a> -<span class="sourceLineNo">367</span> get.addFamily(HConstants.CATALOG_FAMILY);<a name="line.367"></a> -<span class="sourceLineNo">368</span> return get(getMetaHTable(connection), get);<a name="line.368"></a> -<span class="sourceLineNo">369</span> }<a name="line.369"></a> -<span class="sourceLineNo">370</span><a name="line.370"></a> -<span class="sourceLineNo">371</span> /**<a name="line.371"></a> -<span class="sourceLineNo">372</span> * Get regions from the merge qualifier of the specified merged region<a name="line.372"></a> -<span class="sourceLineNo">373</span> * @return null if it doesn't contain merge qualifier, else two merge regions<a name="line.373"></a> -<span class="sourceLineNo">374</span> */<a name="line.374"></a> -<span class="sourceLineNo">375</span> @Nullable<a name="line.375"></a> -<span class="sourceLineNo">376</span> public static Pair<RegionInfo, RegionInfo> getRegionsFromMergeQualifier(<a name="line.376"></a> -<span class="sourceLineNo">377</span> Connection connection, byte[] regionName) throws IOException {<a name="line.377"></a> -<span class="sourceLineNo">378</span> Result result = getRegionResult(connection, regionName);<a name="line.378"></a> -<span class="sourceLineNo">379</span> RegionInfo mergeA = getRegionInfo(result, HConstants.MERGEA_QUALIFIER);<a name="line.379"></a> -<span class="sourceLineNo">380</span> RegionInfo mergeB = getRegionInfo(result, HConstants.MERGEB_QUALIFIER);<a name="line.380"></a> -<span class="sourceLineNo">381</span> if (mergeA == null && mergeB == null) {<a name="line.381"></a> -<span class="sourceLineNo">382</span> return null;<a name="line.382"></a> -<span class="sourceLineNo">383</span> }<a name="line.383"></a> -<span class="sourceLineNo">384</span> return new Pair<>(mergeA, mergeB);<a name="line.384"></a> -<span class="sourceLineNo">385</span> }<a name="line.385"></a> -<span class="sourceLineNo">386</span><a name="line.386"></a> -<span class="sourceLineNo">387</span> /**<a name="line.387"></a> -<span class="sourceLineNo">388</span> * Checks if the specified table exists. Looks at the hbase:meta table hosted on<a name="line.388"></a> -<span class="sourceLineNo">389</span> * the specified server.<a name="line.389"></a> -<span class="sourceLineNo">390</span> * @param connection connection we're using<a name="line.390"></a> -<span class="sourceLineNo">391</span> * @param tableName table to check<a name="line.391"></a> -<span class="sourceLineNo">392</span> * @return true if the table exists in meta, false if not<a name="line.392"></a> -<span class="sourceLineNo">393</span> */<a name="line.393"></a> -<span class="sourceLineNo">394</span> public static boolean tableExists(Connection connection,<a name="line.394"></a> -<span class="sourceLineNo">395</span> final TableName tableName)<a name="line.395"></a> -<span class="sourceLineNo">396</span> throws IOException {<a name="line.396"></a> -<span class="sourceLineNo">397</span> // Catalog tables always exist.<a name="line.397"></a> -<span class="sourceLineNo">398</span> return tableName.equals(TableName.META_TABLE_NAME)<a name="line.398"></a> -<span class="sourceLineNo">399</span> || getTableState(connection, tableName) != null;<a name="line.399"></a> -<span class="sourceLineNo">400</span> }<a name="line.400"></a> -<span class="sourceLineNo">401</span><a name="line.401"></a> -<span class="sourceLineNo">402</span> /**<a name="line.402"></a> -<span class="sourceLineNo">403</span> * Lists all of the regions currently in META.<a name="line.403"></a> -<span class="sourceLineNo">404</span> *<a name="line.404"></a> -<span class="sourceLineNo">405</span> * @param connection to connect with<a name="line.405"></a> -<span class="sourceLineNo">406</span> * @param excludeOfflinedSplitParents False if we are to include offlined/splitparents regions,<a name="line.406"></a> -<span class="sourceLineNo">407</span> * true and we'll leave out offlined regions from returned list<a name="line.407"></a> -<span class="sourceLineNo">408</span> * @return List of all user-space regions.<a name="line.408"></a> -<span class="sourceLineNo">409</span> */<a name="line.409"></a> -<span class="sourceLineNo">410</span> @VisibleForTesting<a name="line.410"></a> -<span class="sourceLineNo">411</span> public static List<RegionInfo> getAllRegions(Connection connection,<a name="line.411"></a> -<span class="sourceLineNo">412</span> boolean excludeOfflinedSplitParents)<a name="line.412"></a> -<span class="sourceLineNo">413</span> throws IOException {<a name="line.413"></a> -<span class="sourceLineNo">414</span> List<Pair<RegionInfo, ServerName>> result;<a name="line.414"></a> -<span class="sourceLineNo">415</span><a name="line.415"></a> -<span class="sourceLineNo">416</span> result = getTableRegionsAndLocations(connection, null,<a name="line.416"></a> -<span class="sourceLineNo">417</span> excludeOfflinedSplitParents);<a name="line.417"></a> -<span class="sourceLineNo">418</span><a name="line.418"></a> -<span class="sourceLineNo">419</span> return getListOfRegionInfos(result);<a name="line.419"></a> -<span class="sourceLineNo">420</span><a name="line.420"></a> -<span class="sourceLineNo">421</span> }<a name="line.421"></a> -<span class="sourceLineNo">422</span><a name="line.422"></a> -<span class="sourceLineNo">423</span> /**<a name="line.423"></a> -<span class="sourceLineNo">424</span> * Gets all of the regions of the specified table. 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2] = HConstants.DELIMITER;<a name="line.475"></a> -<span class="sourceLineNo">476</span> startRow[startRow.length - 1] = HConstants.DELIMITER;<a name="line.476"></a> -<span class="sourceLineNo">477</span> return startRow;<a name="line.477"></a> -<span class="sourceLineNo">478</span> case ALL:<a name="line.478"></a> -<span class="sourceLineNo">479</span> case TABLE:<a name="line.479"></a> -<span class="sourceLineNo">480</span> default:<a name="line.480"></a> -<span class="sourceLineNo">481</span> return tableName.getName();<a name="line.481"></a> -<span class="sourceLineNo">482</span> }<a name="line.482"></a> -<span class="sourceLineNo">483</span> }<a name="line.483"></a> -<span class="sourceLineNo">484</span><a name="line.484"></a> -<span class="sourceLineNo">485</span> /**<a name="line.485"></a> -<span class="sourceLineNo">486</span> * @param tableName table we're working with<a name="line.486"></a> -<span class="sourceLineNo">487</span> * @return stop row for scanning META according to query type<a name="line.487"></a> -<span class="sourceLineNo">488</span> */<a name="line.488"></a> -<span class="sourceLineNo">489</span> public static byte[] getTableStopRowForMeta(TableName tableName, QueryType type) {<a name="line.489"></a> -<span class="sourceLineNo">490</span> if (tableName == null) {<a name="line.490"></a> -<span class="sourceLineNo">491</span> return null;<a name="line.491"></a> -<span class="sourceLineNo">492</span> }<a name="line.492"></a> -<span class="sourceLineNo">493</span> final byte[] stopRow;<a name="line.493"></a> -<span class="sourceLineNo">494</span> switch (type) {<a name="line.494"></a> -<span class="sourceLineNo">495</span> case REGION:<a name="line.495"></a> -<span class="sourceLineNo">496</span> stopRow = new byte[tableName.getName().length + 3];<a name="line.496"></a> -<span class="sourceLineNo">497</span> System.arraycopy(tableName.getName(), 0, stopRow, 0, tableName.getName().length);<a name="line.497"></a> -<span class="sourceLineNo">498</span> stopRow[stopRow.length - 3] = ' ';<a name="line.498"></a> -<span class="sourceLineNo">499</span> stopRow[stopRow.length - 2] = HConstants.DELIMITER;<a name="line.499"></a> -<span class="sourceLineNo">500</span> stopRow[stopRow.length - 1] = HConstants.DELIMITER;<a name="line.500"></a> -<span class="sourceLineNo">501</span> break;<a name="line.501"></a> -<span class="sourceLineNo">502</span> case ALL:<a name="line.502"></a> -<span class="sourceLineNo">503</span> case TABLE:<a name="line.503"></a> -<span class="sourceLineNo">504</span> default:<a name="line.504"></a> -<span class="sourceLineNo">505</span> stopRow = new byte[tableName.getName().length + 1];<a name="line.505"></a> -<span class="sourceLineNo">506</span> System.arraycopy(tableName.getName(), 0, stopRow, 0, tableName.getName().length);<a name="line.506"></a> -<span class="sourceLineNo">507</span> stopRow[stopRow.length - 1] = ' ';<a name="line.507"></a> -<span class="sourceLineNo">508</span> break;<a name="line.508"></a> -<span class="sourceLineNo">509</span> }<a name="line.509"></a> -<span class="sourceLineNo">510</span> return stopRow;<a name="line.510"></a> -<span class="sourceLineNo">511</span> }<a name="line.511"></a> -<span class="sourceLineNo">512</span><a name="line.512"></a> -<span class="sourceLineNo">513</span> /**<a name="line.513"></a> -<span class="sourceLineNo">514</span> * This method creates a Scan object that will only scan catalog rows that<a name="line.514"></a> -<span class="sourceLineNo">515</span> * belong to the specified table. It doesn't specify any columns.<a name="line.515"></a> -<span class="sourceLineNo">516</span> * This is a better alternative to just using a start row and scan until<a name="line.516"></a> -<span class="sourceLineNo">517</span> * it hits a new table since that requires parsing the HRI to get the table<a name="line.517"></a> -<span class="sourceLineNo">518</span> * name.<a name="line.518"></a> -<span class="sourceLineNo">519</span> * @param tableName bytes of table's name<a name="line.519"></a> -<span class="sourceLineNo">520</span> * @return configured Scan object<a name="line.520"></a> -<span class="sourceLineNo">521</span> */<a name="line.521"></a> -<span class="sourceLineNo">522</span> @Deprecated<a name="line.522"></a> -<span class="sourceLineNo">523</span> public static Scan getScanForTableName(Connection connection, TableName tableName) {<a name="line.523"></a> -<span class="sourceLineNo">524</span> // Start key is just the table name with delimiters<a name="line.524"></a> -<span 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class="sourceLineNo">545</span> scan.setLimit(rowUpperLimit);<a name="line.545"></a> -<span class="sourceLineNo">546</span> scan.setReadType(Scan.ReadType.PREAD);<a name="line.546"></a> -<span class="sourceLineNo">547</span> }<a name="line.547"></a> -<span class="sourceLineNo">548</span> scan.setCaching(scannerCaching);<a name="line.548"></a> -<span class="sourceLineNo">549</span> return scan;<a name="line.549"></a> -<span class="sourceLineNo">550</span> }<a name="line.550"></a> -<span class="sourceLineNo">551</span> /**<a name="line.551"></a> -<span class="sourceLineNo">552</span> * Do not use this method to get meta table regions, use methods in MetaTableLocator instead.<a name="line.552"></a> -<span class="sourceLineNo">553</span> * @param connection connection we're using<a name="line.553"></a> -<span class="sourceLineNo">554</span> * @param tableName table we're looking for<a name="line.554"></a> -<span class="sourceLineNo">555</span> * @return Return list of regioninfos and server.<a name="line.555"></a> -<span class="sourceLineNo">556</span> * @throws IOException<a name="line.556"></a> -<span class="sourceLineNo">557</span> */<a name="line.557"></a> -<span class="sourceLineNo">558</span> public static List<Pair<RegionInfo, ServerName>><a name="line.558"></a> -<span class="sourceLineNo">559</span> getTableRegionsAndLocations(Connection connection, TableName tableName)<a name="line.559"></a> -<span class="sourceLineNo">560</span> throws IOException {<a name="line.560"></a> -<span class="sourceLineNo">561</span> return getTableRegionsAndLocations(connection, tableName, true);<a name="line.561"></a> -<span class="sourceLineNo">562</span> }<a name="line.562"></a> -<span class="sourceLineNo">563</span><a name="line.563"></a> -<span class="sourceLineNo">564</span> /**<a name="line.564"></a> -<span class="sourceLineNo">565</span> * Do not use this method to get meta table regions, use methods in MetaTableLocator instead.<a name="line.565"></a> -<span class="sourceLineNo">566</span> * @param connection connection we're using<a name="line.566"></a> -<span class="sourceLineNo">567</span> * @param tableName table to work with, can be null for getting all regions<a name="line.567"></a> -<span class="sourceLineNo">568</span> * @param excludeOfflinedSplitParents don't return split parents<a name="line.568"></a> -<span class="sourceLineNo">569</span> * @return Return list of regioninfos and server addresses.<a name="line.569"></a> -<span class="sourceLineNo">570</span> * @throws IOException<a name="line.570"></a> -<span class="sourceLineNo">571</span> */<a name="line.571"></a> -<span class="sourceLineNo">572</span> public static List<Pair<RegionInfo, ServerName>> getTableRegionsAndLocations(<a name="line.572"></a> -<span class="sourceLineNo">573</span> Connection connection, @Nullable final TableName tableName,<a name="line.573"></a> -<span class="sourceLineNo">574</span> final boolean excludeOfflinedSplitParents) throws IOException {<a name="line.574"></a> -<span class="sourceLineNo">575</span> if (tableName != null && tableName.equals(TableName.META_TABLE_NAME)) {<a name="line.575"></a> -<span class="sourceLineNo">576</span> throw new IOException("This method can't be used to locate meta regions;"<a name="line.576"></a> -<span class="sourceLineNo">577</span> + " use MetaTableLocator instead");<a name="line.577"></a> -<span class="sourceLineNo">578</span> }<a name="line.578"></a> -<span class="sourceLineNo">579</span> // Make a version of CollectingVisitor that collects RegionInfo and ServerAddress<a name="line.579"></a> -<span class="sourceLineNo">580</span> CollectingVisitor<Pair<RegionInfo, ServerName>> visitor =<a name="line.580"></a> -<span class="sourceLineNo">581</span> new CollectingVisitor<Pair<RegionInfo, ServerName>>() {<a name="line.581"></a> -<span class="sourceLineNo">582</span> private RegionLocations current = null;<a name="line.582"></a> -<span class="sourceLineNo">583</span><a name="line.583"></a> -<span class="sourceLineNo">584</span> @Override<a name="line.584"></a> -<span class="sourceLineNo">585</span> public boolean visit(Result r) throws IOException {<a name="line.585"></a> -<span class="sourceLineNo">586</span> current = getRegionLocations(r);<a name="line.586"></a> -<span class="sourceLineNo">587</span> if (current == null || current.getRegionLocation().getRegion() == null) {<a name="line.587"></a> -<span class="sourceLineNo">588</span> LOG.warn("No serialized RegionInfo in " + r);<a name="line.588"></a> -<span class="sourceLineNo">589</span> return true;<a name="line.589"></a> -<span class="sourceLineNo">590</span> }<a name="line.590"></a> -<span class="sourceLineNo">591</span> RegionInfo hri = current.getRegionLocation().getRegion();<a name="line.591"></a> -<span class="sourceLineNo">592</span> if (excludeOfflinedSplitParents && hri.isSplitParent()) return true;<a name="line.592"></a> -<span class="sourceLineNo">593</span> // Else call super and add this Result to the collection.<a name="line.593"></a> -<span class="sourceLineNo">594</span> return super.visit(r);<a name="line.594"></a> -<span class="sourceLineNo">595</span> }<a name="line.595"></a> -<span class="sourceLineNo">596</span><a name="line.596"></a> -<span class="sourceLineNo">597</span> @Override<a name="line.597"></a> -<span class="sourceLineNo">598</span> void add(Result r) {<a name="line.598"></a> -<span class="sourceLineNo">599</span> if (current == null) {<a name="line.599"></a> -<span class="sourceLineNo">600</span> return;<a name="line.600"></a> -<span class="sourceLineNo">601</span> }<a name="line.601"></a> -<span class="sourceLineNo">602</span> for (HRegionLocation loc : current.getRegionLocations()) {<a name="line.602"></a> -<span class="sourceLineNo">603</span> if (loc != null) {<a name="line.603"></a> -<span class="sourceLineNo">604</span> this.results.add(new Pair<>(loc.getRegion(), loc.getServerName()));<a name="line.604"></a> -<span class="sourceLineNo">605</span> }<a 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class="sourceLineNo">627</span> // Fill the above hris map with entries from hbase:meta that have the passed<a name="line.627"></a> -<span class="sourceLineNo">628</span> // servername.<a name="line.628"></a> -<span class="sourceLineNo">629</span> CollectingVisitor<Result> v = new CollectingVisitor<Result>() {<a name="line.629"></a> -<span class="sourceLineNo">630</span> @Override<a name="line.630"></a> -<span class="sourceLineNo">631</span> void add(Result r) {<a name="line.631"></a> -<span class="sourceLineNo">632</span> if (r == null || r.isEmpty()) return;<a name="line.632"></a> -<span class="sourceLineNo">633</span> RegionLocations locations = getRegionLocations(r);<a name="line.633"></a> -<span class="sourceLineNo">634</span> if (locations == null) return;<a name="line.634"></a> -<span class="sourceLineNo">635</span> for (HRegionLocation loc : locations.getRegionLocations()) {<a name="line.635"></a> -<span class="sourceLineNo">636</span> if (loc != null) {<a name="line.636"></a> 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getRegionLocations(r);<a name="line.659"></a> -<span class="sourceLineNo">660</span> if (locations == null) return true;<a name="line.660"></a> -<span class="sourceLineNo">661</span> for (HRegionLocation loc : locations.getRegionLocations()) {<a name="line.661"></a> -<span class="sourceLineNo">662</span> if (loc != null) {<a name="line.662"></a> -<span class="sourceLineNo">663</span> LOG.info("fullScanMetaAndPrint.HRI Print= " + loc.getRegion());<a name="line.663"></a> -<span class="sourceLineNo">664</span> }<a name="line.664"></a> -<span class="sourceLineNo">665</span> }<a name="line.665"></a> -<span class="sourceLineNo">666</span> }<a name="line.666"></a> -<span class="sourceLineNo">667</span> return true;<a name="line.667"></a> -<span class="sourceLineNo">668</span> }<a name="line.668"></a> -<span class="sourceLineNo">669</span> };<a name="line.669"></a> -<span class="sourceLineNo">670</span> scanMeta(connection, null, null, QueryType.ALL, v);<a name="line.670"></a> -<span class="sourceLineNo">671</span> }<a name="line.671"></a> -<span class="sourceLineNo">672</span><a name="line.672"></a> -<span class="sourceLineNo">673</span> public static void scanMetaForTableRegions(Connection connection,<a name="line.673"></a> -<span class="sourceLineNo">674</span> Visitor visitor, TableName tableName) throws IOException {<a name="line.674"></a> -<span class="sourceLineNo">675</span> scanMeta(connection, tableName, QueryType.REGION, Integer.MAX_VALUE, visitor);<a name="line.675"></a> -<span class="sourceLineNo">676</span> }<a name="line.676"></a> -<span class="sourceLineNo">677</span><a name="line.677"></a> -<span class="sourceLineNo">678</span> public static void scanMeta(Connection connection, TableName table,<a name="line.678"></a> -<span class="sourceLineNo">679</span> QueryType type, int maxRows, final Visitor visitor) throws IOException {<a name="line.679"></a> -<span class="sourceLineNo">680</span> scanMeta(connection, getTableStartRowForMeta(table, type), 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class="sourceLineNo">691</span> * Performs a scan of META table for given table starting from<a name="line.691"></a> -<span class="sourceLineNo">692</span> * given row.<a name="line.692"></a> -<span class="sourceLineNo">693</span> *<a name="line.693"></a> -<span class="sourceLineNo">694</span> * @param connection connection we're using<a name="line.694"></a> -<span class="sourceLineNo">695</span> * @param visitor visitor to call<a name="line.695"></a> -<span class="sourceLineNo">696</span> * @param tableName table withing we scan<a name="line.696"></a> -<span class="sourceLineNo">697</span> * @param row start scan from this row<a name="line.697"></a> -<span class="sourceLineNo">698</span> * @param rowLimit max number of rows to return<a name="line.698"></a> -<span class="sourceLineNo">699</span> * @throws IOException<a name="line.699"></a> -<span class="sourceLineNo">700</span> */<a name="line.700"></a> -<span class="sourceLineNo">701</span> public static void scanMeta(Connection 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name="line.723"></a> -<span class="sourceLineNo">724</span> /**<a name="line.724"></a> -<span class="sourceLineNo">725</span> * Performs a scan of META table.<a name="line.725"></a> -<span class="sourceLineNo">726</span> * @param connection connection we're using<a name="line.726"></a> -<span class="sourceLineNo">727</span> * @param startRow Where to start the scan. 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<TRUNCATED>
