http://git-wip-us.apache.org/repos/asf/hbase-site/blob/476c54ed/devapidocs/src-html/org/apache/hadoop/hbase/quotas/SpaceQuotaSnapshot.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/quotas/SpaceQuotaSnapshot.html b/devapidocs/src-html/org/apache/hadoop/hbase/quotas/SpaceQuotaSnapshot.html index 3a57bbd..b408e5f 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/quotas/SpaceQuotaSnapshot.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/quotas/SpaceQuotaSnapshot.html @@ -30,182 +30,184 @@ <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.22"></a> <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.23"></a> <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos;<a name="line.24"></a> -<span class="sourceLineNo">025</span><a name="line.25"></a> -<span class="sourceLineNo">026</span>/**<a name="line.26"></a> -<span class="sourceLineNo">027</span> * A point-in-time view of a space quota on a table.<a name="line.27"></a> -<span class="sourceLineNo">028</span> */<a name="line.28"></a> -<span class="sourceLineNo">029</span>@InterfaceAudience.Private<a name="line.29"></a> -<span class="sourceLineNo">030</span>public class SpaceQuotaSnapshot {<a name="line.30"></a> -<span class="sourceLineNo">031</span> private static final SpaceQuotaSnapshot NO_SUCH_SNAPSHOT = new SpaceQuotaSnapshot(<a name="line.31"></a> -<span class="sourceLineNo">032</span> SpaceQuotaStatus.notInViolation(), 0, Long.MAX_VALUE);<a name="line.32"></a> -<span class="sourceLineNo">033</span> private final SpaceQuotaStatus quotaStatus;<a name="line.33"></a> -<span class="sourceLineNo">034</span> private final long usage;<a name="line.34"></a> -<span class="sourceLineNo">035</span> private final long limit;<a name="line.35"></a> -<span class="sourceLineNo">036</span><a name="line.36"></a> -<span class="sourceLineNo">037</span> /**<a name="line.37"></a> -<span class="sourceLineNo">038</span> * Encapsulates the state of a quota on a table. The quota may or may not be in violation.<a name="line.38"></a> -<span class="sourceLineNo">039</span> * If the quota is not in violation, the violation may be null. If the quota is in violation,<a name="line.39"></a> -<span class="sourceLineNo">040</span> * there is guaranteed to be a non-null violation policy.<a name="line.40"></a> -<span class="sourceLineNo">041</span> */<a name="line.41"></a> -<span class="sourceLineNo">042</span> @InterfaceAudience.Private<a name="line.42"></a> -<span class="sourceLineNo">043</span> public static class SpaceQuotaStatus {<a name="line.43"></a> -<span class="sourceLineNo">044</span> private static final SpaceQuotaStatus NOT_IN_VIOLATION = new SpaceQuotaStatus(null, false);<a name="line.44"></a> -<span class="sourceLineNo">045</span> final SpaceViolationPolicy policy;<a name="line.45"></a> -<span class="sourceLineNo">046</span> final boolean inViolation;<a name="line.46"></a> -<span class="sourceLineNo">047</span><a name="line.47"></a> -<span class="sourceLineNo">048</span> /**<a name="line.48"></a> -<span class="sourceLineNo">049</span> * Constructs a {@code SpaceQuotaSnapshot} which is in violation of the provided {@code policy}.<a name="line.49"></a> -<span class="sourceLineNo">050</span> *<a name="line.50"></a> -<span class="sourceLineNo">051</span> * Use {@link #notInViolation()} to obtain an instance of this class for the cases when the<a name="line.51"></a> -<span class="sourceLineNo">052</span> * quota is not in violation.<a name="line.52"></a> -<span class="sourceLineNo">053</span> *<a name="line.53"></a> -<span class="sourceLineNo">054</span> * @param policy The non-null policy being violated.<a name="line.54"></a> -<span class="sourceLineNo">055</span> */<a name="line.55"></a> -<span class="sourceLineNo">056</span> public SpaceQuotaStatus(SpaceViolationPolicy policy) {<a name="line.56"></a> -<span class="sourceLineNo">057</span> // If the caller is instantiating a status, the policy must be non-null<a name="line.57"></a> -<span class="sourceLineNo">058</span> this (Objects.requireNonNull(policy), true);<a name="line.58"></a> -<span class="sourceLineNo">059</span> }<a name="line.59"></a> -<span class="sourceLineNo">060</span><a name="line.60"></a> -<span class="sourceLineNo">061</span> private SpaceQuotaStatus(SpaceViolationPolicy policy, boolean inViolation) {<a name="line.61"></a> -<span class="sourceLineNo">062</span> this.policy = policy;<a name="line.62"></a> -<span class="sourceLineNo">063</span> this.inViolation = inViolation;<a name="line.63"></a> -<span class="sourceLineNo">064</span> }<a name="line.64"></a> -<span class="sourceLineNo">065</span><a name="line.65"></a> -<span class="sourceLineNo">066</span> /**<a name="line.66"></a> -<span class="sourceLineNo">067</span> * Returns the violation policy, which may be null. It is guaranteed to be non-null if<a name="line.67"></a> -<span class="sourceLineNo">068</span> * {@link #isInViolation()} is {@code true}, but may be null otherwise.<a name="line.68"></a> -<span class="sourceLineNo">069</span> */<a name="line.69"></a> -<span class="sourceLineNo">070</span> public SpaceViolationPolicy getPolicy() {<a name="line.70"></a> -<span class="sourceLineNo">071</span> return policy;<a name="line.71"></a> -<span class="sourceLineNo">072</span> }<a name="line.72"></a> -<span class="sourceLineNo">073</span><a name="line.73"></a> -<span class="sourceLineNo">074</span> /**<a name="line.74"></a> -<span class="sourceLineNo">075</span> * @return {@code true} if the quota is being violated, {@code false} otherwise.<a name="line.75"></a> -<span class="sourceLineNo">076</span> */<a name="line.76"></a> -<span class="sourceLineNo">077</span> public boolean isInViolation() {<a name="line.77"></a> -<span class="sourceLineNo">078</span> return inViolation;<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> /**<a name="line.81"></a> -<span class="sourceLineNo">082</span> * Returns a singleton referring to a quota which is not in violation.<a name="line.82"></a> -<span class="sourceLineNo">083</span> */<a name="line.83"></a> -<span class="sourceLineNo">084</span> public static SpaceQuotaStatus notInViolation() {<a name="line.84"></a> -<span class="sourceLineNo">085</span> return NOT_IN_VIOLATION;<a name="line.85"></a> -<span class="sourceLineNo">086</span> }<a name="line.86"></a> -<span class="sourceLineNo">087</span><a name="line.87"></a> -<span class="sourceLineNo">088</span> @Override<a name="line.88"></a> -<span class="sourceLineNo">089</span> public int hashCode() {<a name="line.89"></a> -<span class="sourceLineNo">090</span> return new HashCodeBuilder().append(policy == null ? 0 : policy.hashCode())<a name="line.90"></a> -<span class="sourceLineNo">091</span> .append(inViolation).toHashCode();<a name="line.91"></a> -<span class="sourceLineNo">092</span> }<a name="line.92"></a> -<span class="sourceLineNo">093</span><a name="line.93"></a> -<span class="sourceLineNo">094</span> @Override<a name="line.94"></a> -<span class="sourceLineNo">095</span> public boolean equals(Object o) {<a name="line.95"></a> -<span class="sourceLineNo">096</span> if (o instanceof SpaceQuotaStatus) {<a name="line.96"></a> -<span class="sourceLineNo">097</span> SpaceQuotaStatus other = (SpaceQuotaStatus) o;<a name="line.97"></a> -<span class="sourceLineNo">098</span> return Objects.equals(policy, other.policy) && inViolation == other.inViolation;<a name="line.98"></a> -<span class="sourceLineNo">099</span> }<a name="line.99"></a> -<span class="sourceLineNo">100</span> return false;<a name="line.100"></a> -<span class="sourceLineNo">101</span> }<a name="line.101"></a> -<span class="sourceLineNo">102</span><a name="line.102"></a> -<span class="sourceLineNo">103</span> @Override<a name="line.103"></a> -<span class="sourceLineNo">104</span> public String toString() {<a name="line.104"></a> -<span class="sourceLineNo">105</span> StringBuilder sb = new StringBuilder(getClass().getSimpleName());<a name="line.105"></a> -<span class="sourceLineNo">106</span> sb.append("[policy=").append(policy);<a name="line.106"></a> -<span class="sourceLineNo">107</span> sb.append(", inViolation=").append(inViolation).append("]");<a name="line.107"></a> -<span class="sourceLineNo">108</span> return sb.toString();<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> public static QuotaProtos.SpaceQuotaStatus toProto(SpaceQuotaStatus status) {<a name="line.111"></a> -<span class="sourceLineNo">112</span> QuotaProtos.SpaceQuotaStatus.Builder builder = QuotaProtos.SpaceQuotaStatus.newBuilder();<a name="line.112"></a> -<span class="sourceLineNo">113</span> builder.setInViolation(status.inViolation);<a name="line.113"></a> -<span class="sourceLineNo">114</span> if (status.isInViolation()) {<a name="line.114"></a> -<span class="sourceLineNo">115</span> builder.setViolationPolicy(ProtobufUtil.toProtoViolationPolicy(status.getPolicy()));<a name="line.115"></a> -<span class="sourceLineNo">116</span> }<a name="line.116"></a> -<span class="sourceLineNo">117</span> return builder.build();<a name="line.117"></a> -<span class="sourceLineNo">118</span> }<a name="line.118"></a> -<span class="sourceLineNo">119</span><a name="line.119"></a> -<span class="sourceLineNo">120</span> public static SpaceQuotaStatus toStatus(QuotaProtos.SpaceQuotaStatus proto) {<a name="line.120"></a> -<span class="sourceLineNo">121</span> if (proto.getInViolation()) {<a name="line.121"></a> -<span class="sourceLineNo">122</span> return new SpaceQuotaStatus(ProtobufUtil.toViolationPolicy(proto.getViolationPolicy()));<a name="line.122"></a> -<span class="sourceLineNo">123</span> } else {<a name="line.123"></a> -<span class="sourceLineNo">124</span> return NOT_IN_VIOLATION;<a name="line.124"></a> -<span class="sourceLineNo">125</span> }<a name="line.125"></a> -<span class="sourceLineNo">126</span> }<a name="line.126"></a> -<span class="sourceLineNo">127</span> }<a name="line.127"></a> -<span class="sourceLineNo">128</span><a name="line.128"></a> -<span class="sourceLineNo">129</span> public SpaceQuotaSnapshot(SpaceQuotaStatus quotaStatus, long usage, long limit) {<a name="line.129"></a> -<span class="sourceLineNo">130</span> this.quotaStatus = Objects.requireNonNull(quotaStatus);<a name="line.130"></a> -<span class="sourceLineNo">131</span> this.usage = usage;<a name="line.131"></a> -<span class="sourceLineNo">132</span> this.limit = limit;<a name="line.132"></a> -<span class="sourceLineNo">133</span> }<a name="line.133"></a> -<span class="sourceLineNo">134</span><a name="line.134"></a> -<span class="sourceLineNo">135</span> /**<a name="line.135"></a> -<span class="sourceLineNo">136</span> * Returns the status of the quota.<a name="line.136"></a> -<span class="sourceLineNo">137</span> */<a name="line.137"></a> -<span class="sourceLineNo">138</span> public SpaceQuotaStatus getQuotaStatus() {<a name="line.138"></a> -<span class="sourceLineNo">139</span> return quotaStatus;<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> /**<a name="line.142"></a> -<span class="sourceLineNo">143</span> * Returns the current usage, in bytes, of the target (e.g. table, namespace).<a name="line.143"></a> -<span class="sourceLineNo">144</span> */<a name="line.144"></a> -<span class="sourceLineNo">145</span> public long getUsage() {<a name="line.145"></a> -<span class="sourceLineNo">146</span> return usage;<a name="line.146"></a> -<span class="sourceLineNo">147</span> }<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> * Returns the limit, in bytes, of the target (e.g. table, namespace).<a name="line.150"></a> -<span class="sourceLineNo">151</span> */<a name="line.151"></a> -<span class="sourceLineNo">152</span> public long getLimit() {<a name="line.152"></a> -<span class="sourceLineNo">153</span> return limit;<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> @Override<a name="line.156"></a> -<span class="sourceLineNo">157</span> public int hashCode() {<a name="line.157"></a> -<span class="sourceLineNo">158</span> return new HashCodeBuilder()<a name="line.158"></a> -<span class="sourceLineNo">159</span> .append(quotaStatus.hashCode())<a name="line.159"></a> -<span class="sourceLineNo">160</span> .append(usage)<a name="line.160"></a> -<span class="sourceLineNo">161</span> .append(limit)<a name="line.161"></a> -<span class="sourceLineNo">162</span> .toHashCode();<a name="line.162"></a> -<span class="sourceLineNo">163</span> }<a name="line.163"></a> -<span class="sourceLineNo">164</span><a name="line.164"></a> -<span class="sourceLineNo">165</span> @Override<a name="line.165"></a> -<span class="sourceLineNo">166</span> public boolean equals(Object o) {<a name="line.166"></a> -<span class="sourceLineNo">167</span> if (o instanceof SpaceQuotaSnapshot) {<a name="line.167"></a> -<span class="sourceLineNo">168</span> SpaceQuotaSnapshot other = (SpaceQuotaSnapshot) o;<a name="line.168"></a> -<span class="sourceLineNo">169</span> return quotaStatus.equals(other.quotaStatus) && usage == other.usage && limit == other.limit;<a name="line.169"></a> -<span class="sourceLineNo">170</span> }<a name="line.170"></a> -<span class="sourceLineNo">171</span> return false;<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> @Override<a name="line.174"></a> -<span class="sourceLineNo">175</span> public String toString() {<a name="line.175"></a> -<span class="sourceLineNo">176</span> StringBuilder sb = new StringBuilder(32);<a name="line.176"></a> -<span class="sourceLineNo">177</span> sb.append("SpaceQuotaSnapshot[policy=").append(quotaStatus).append(", use=");<a name="line.177"></a> -<span class="sourceLineNo">178</span> sb.append(usage).append("bytes/").append(limit).append("bytes]");<a name="line.178"></a> -<span class="sourceLineNo">179</span> return sb.toString();<a name="line.179"></a> -<span class="sourceLineNo">180</span> }<a name="line.180"></a> -<span class="sourceLineNo">181</span><a name="line.181"></a> -<span class="sourceLineNo">182</span> // ProtobufUtil is in hbase-client, and this doesn't need to be public.<a name="line.182"></a> -<span class="sourceLineNo">183</span> public static SpaceQuotaSnapshot toSpaceQuotaSnapshot(QuotaProtos.SpaceQuotaSnapshot proto) {<a name="line.183"></a> -<span class="sourceLineNo">184</span> return new SpaceQuotaSnapshot(SpaceQuotaStatus.toStatus(proto.getQuotaStatus()),<a name="line.184"></a> -<span class="sourceLineNo">185</span> proto.getQuotaUsage(), proto.getQuotaLimit());<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> public static QuotaProtos.SpaceQuotaSnapshot toProtoSnapshot(SpaceQuotaSnapshot snapshot) {<a name="line.188"></a> -<span class="sourceLineNo">189</span> return QuotaProtos.SpaceQuotaSnapshot.newBuilder()<a name="line.189"></a> -<span class="sourceLineNo">190</span> .setQuotaStatus(SpaceQuotaStatus.toProto(snapshot.getQuotaStatus()))<a name="line.190"></a> -<span class="sourceLineNo">191</span> .setQuotaUsage(snapshot.getUsage()).setQuotaLimit(snapshot.getLimit()).build();<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> * Returns a singleton that corresponds to no snapshot information.<a name="line.195"></a> -<span class="sourceLineNo">196</span> */<a name="line.196"></a> -<span class="sourceLineNo">197</span> public static SpaceQuotaSnapshot getNoSuchSnapshot() {<a name="line.197"></a> -<span class="sourceLineNo">198</span> return NO_SUCH_SNAPSHOT;<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">025</span>import org.apache.hadoop.util.StringUtils;<a name="line.25"></a> +<span class="sourceLineNo">026</span><a name="line.26"></a> +<span class="sourceLineNo">027</span>/**<a name="line.27"></a> +<span class="sourceLineNo">028</span> * A point-in-time view of a space quota on a table.<a name="line.28"></a> +<span class="sourceLineNo">029</span> */<a name="line.29"></a> +<span class="sourceLineNo">030</span>@InterfaceAudience.Private<a name="line.30"></a> +<span class="sourceLineNo">031</span>public class SpaceQuotaSnapshot {<a name="line.31"></a> +<span class="sourceLineNo">032</span> private static final SpaceQuotaSnapshot NO_SUCH_SNAPSHOT = new SpaceQuotaSnapshot(<a name="line.32"></a> +<span class="sourceLineNo">033</span> SpaceQuotaStatus.notInViolation(), 0, Long.MAX_VALUE);<a name="line.33"></a> +<span class="sourceLineNo">034</span> private final SpaceQuotaStatus quotaStatus;<a name="line.34"></a> +<span class="sourceLineNo">035</span> private final long usage;<a name="line.35"></a> +<span class="sourceLineNo">036</span> private final long limit;<a name="line.36"></a> +<span class="sourceLineNo">037</span><a name="line.37"></a> +<span class="sourceLineNo">038</span> /**<a name="line.38"></a> +<span class="sourceLineNo">039</span> * Encapsulates the state of a quota on a table. The quota may or may not be in violation.<a name="line.39"></a> +<span class="sourceLineNo">040</span> * If the quota is not in violation, the violation may be null. If the quota is in violation,<a name="line.40"></a> +<span class="sourceLineNo">041</span> * there is guaranteed to be a non-null violation policy.<a name="line.41"></a> +<span class="sourceLineNo">042</span> */<a name="line.42"></a> +<span class="sourceLineNo">043</span> @InterfaceAudience.Private<a name="line.43"></a> +<span class="sourceLineNo">044</span> public static class SpaceQuotaStatus {<a name="line.44"></a> +<span class="sourceLineNo">045</span> private static final SpaceQuotaStatus NOT_IN_VIOLATION = new SpaceQuotaStatus(null, false);<a name="line.45"></a> +<span class="sourceLineNo">046</span> final SpaceViolationPolicy policy;<a name="line.46"></a> +<span class="sourceLineNo">047</span> final boolean inViolation;<a name="line.47"></a> +<span class="sourceLineNo">048</span><a name="line.48"></a> +<span class="sourceLineNo">049</span> /**<a name="line.49"></a> +<span class="sourceLineNo">050</span> * Constructs a {@code SpaceQuotaSnapshot} which is in violation of the provided {@code policy}.<a name="line.50"></a> +<span class="sourceLineNo">051</span> *<a name="line.51"></a> +<span class="sourceLineNo">052</span> * Use {@link #notInViolation()} to obtain an instance of this class for the cases when the<a name="line.52"></a> +<span class="sourceLineNo">053</span> * quota is not in violation.<a name="line.53"></a> +<span class="sourceLineNo">054</span> *<a name="line.54"></a> +<span class="sourceLineNo">055</span> * @param policy The non-null policy being violated.<a name="line.55"></a> +<span class="sourceLineNo">056</span> */<a name="line.56"></a> +<span class="sourceLineNo">057</span> public SpaceQuotaStatus(SpaceViolationPolicy policy) {<a name="line.57"></a> +<span class="sourceLineNo">058</span> // If the caller is instantiating a status, the policy must be non-null<a name="line.58"></a> +<span class="sourceLineNo">059</span> this (Objects.requireNonNull(policy), true);<a name="line.59"></a> +<span class="sourceLineNo">060</span> }<a name="line.60"></a> +<span class="sourceLineNo">061</span><a name="line.61"></a> +<span class="sourceLineNo">062</span> private SpaceQuotaStatus(SpaceViolationPolicy policy, boolean inViolation) {<a name="line.62"></a> +<span class="sourceLineNo">063</span> this.policy = policy;<a name="line.63"></a> +<span class="sourceLineNo">064</span> this.inViolation = inViolation;<a name="line.64"></a> +<span class="sourceLineNo">065</span> }<a name="line.65"></a> +<span class="sourceLineNo">066</span><a name="line.66"></a> +<span class="sourceLineNo">067</span> /**<a name="line.67"></a> +<span class="sourceLineNo">068</span> * Returns the violation policy, which may be null. It is guaranteed to be non-null if<a name="line.68"></a> +<span class="sourceLineNo">069</span> * {@link #isInViolation()} is {@code true}, but may be null otherwise.<a name="line.69"></a> +<span class="sourceLineNo">070</span> */<a name="line.70"></a> +<span class="sourceLineNo">071</span> public SpaceViolationPolicy getPolicy() {<a name="line.71"></a> +<span class="sourceLineNo">072</span> return policy;<a name="line.72"></a> +<span class="sourceLineNo">073</span> }<a name="line.73"></a> +<span class="sourceLineNo">074</span><a name="line.74"></a> +<span class="sourceLineNo">075</span> /**<a name="line.75"></a> +<span class="sourceLineNo">076</span> * @return {@code true} if the quota is being violated, {@code false} otherwise.<a name="line.76"></a> +<span class="sourceLineNo">077</span> */<a name="line.77"></a> +<span class="sourceLineNo">078</span> public boolean isInViolation() {<a name="line.78"></a> +<span class="sourceLineNo">079</span> return inViolation;<a name="line.79"></a> +<span class="sourceLineNo">080</span> }<a name="line.80"></a> +<span class="sourceLineNo">081</span><a name="line.81"></a> +<span class="sourceLineNo">082</span> /**<a name="line.82"></a> +<span class="sourceLineNo">083</span> * Returns a singleton referring to a quota which is not in violation.<a name="line.83"></a> +<span class="sourceLineNo">084</span> */<a name="line.84"></a> +<span class="sourceLineNo">085</span> public static SpaceQuotaStatus notInViolation() {<a name="line.85"></a> +<span class="sourceLineNo">086</span> return NOT_IN_VIOLATION;<a name="line.86"></a> +<span class="sourceLineNo">087</span> }<a name="line.87"></a> +<span class="sourceLineNo">088</span><a name="line.88"></a> +<span class="sourceLineNo">089</span> @Override<a name="line.89"></a> +<span class="sourceLineNo">090</span> public int hashCode() {<a name="line.90"></a> +<span class="sourceLineNo">091</span> return new HashCodeBuilder().append(policy == null ? 0 : policy.hashCode())<a name="line.91"></a> +<span class="sourceLineNo">092</span> .append(inViolation).toHashCode();<a name="line.92"></a> +<span class="sourceLineNo">093</span> }<a name="line.93"></a> +<span class="sourceLineNo">094</span><a name="line.94"></a> +<span class="sourceLineNo">095</span> @Override<a name="line.95"></a> +<span class="sourceLineNo">096</span> public boolean equals(Object o) {<a name="line.96"></a> +<span class="sourceLineNo">097</span> if (o instanceof SpaceQuotaStatus) {<a name="line.97"></a> +<span class="sourceLineNo">098</span> SpaceQuotaStatus other = (SpaceQuotaStatus) o;<a name="line.98"></a> +<span class="sourceLineNo">099</span> return Objects.equals(policy, other.policy) && inViolation == other.inViolation;<a name="line.99"></a> +<span class="sourceLineNo">100</span> }<a name="line.100"></a> +<span class="sourceLineNo">101</span> return false;<a name="line.101"></a> +<span class="sourceLineNo">102</span> }<a name="line.102"></a> +<span class="sourceLineNo">103</span><a name="line.103"></a> +<span class="sourceLineNo">104</span> @Override<a name="line.104"></a> +<span class="sourceLineNo">105</span> public String toString() {<a name="line.105"></a> +<span class="sourceLineNo">106</span> StringBuilder sb = new StringBuilder(getClass().getSimpleName());<a name="line.106"></a> +<span class="sourceLineNo">107</span> sb.append("[policy=").append(policy);<a name="line.107"></a> +<span class="sourceLineNo">108</span> sb.append(", inViolation=").append(inViolation).append("]");<a name="line.108"></a> +<span class="sourceLineNo">109</span> return sb.toString();<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> public static QuotaProtos.SpaceQuotaStatus toProto(SpaceQuotaStatus status) {<a name="line.112"></a> +<span class="sourceLineNo">113</span> QuotaProtos.SpaceQuotaStatus.Builder builder = QuotaProtos.SpaceQuotaStatus.newBuilder();<a name="line.113"></a> +<span class="sourceLineNo">114</span> builder.setInViolation(status.inViolation);<a name="line.114"></a> +<span class="sourceLineNo">115</span> if (status.isInViolation()) {<a name="line.115"></a> +<span class="sourceLineNo">116</span> builder.setViolationPolicy(ProtobufUtil.toProtoViolationPolicy(status.getPolicy()));<a name="line.116"></a> +<span class="sourceLineNo">117</span> }<a name="line.117"></a> +<span class="sourceLineNo">118</span> return builder.build();<a name="line.118"></a> +<span class="sourceLineNo">119</span> }<a name="line.119"></a> +<span class="sourceLineNo">120</span><a name="line.120"></a> +<span class="sourceLineNo">121</span> public static SpaceQuotaStatus toStatus(QuotaProtos.SpaceQuotaStatus proto) {<a name="line.121"></a> +<span class="sourceLineNo">122</span> if (proto.getInViolation()) {<a name="line.122"></a> +<span class="sourceLineNo">123</span> return new SpaceQuotaStatus(ProtobufUtil.toViolationPolicy(proto.getViolationPolicy()));<a name="line.123"></a> +<span class="sourceLineNo">124</span> } else {<a name="line.124"></a> +<span class="sourceLineNo">125</span> return NOT_IN_VIOLATION;<a name="line.125"></a> +<span class="sourceLineNo">126</span> }<a name="line.126"></a> +<span class="sourceLineNo">127</span> }<a name="line.127"></a> +<span class="sourceLineNo">128</span> }<a name="line.128"></a> +<span class="sourceLineNo">129</span><a name="line.129"></a> +<span class="sourceLineNo">130</span> public SpaceQuotaSnapshot(SpaceQuotaStatus quotaStatus, long usage, long limit) {<a name="line.130"></a> +<span class="sourceLineNo">131</span> this.quotaStatus = Objects.requireNonNull(quotaStatus);<a name="line.131"></a> +<span class="sourceLineNo">132</span> this.usage = usage;<a name="line.132"></a> +<span class="sourceLineNo">133</span> this.limit = limit;<a name="line.133"></a> +<span class="sourceLineNo">134</span> }<a name="line.134"></a> +<span class="sourceLineNo">135</span><a name="line.135"></a> +<span class="sourceLineNo">136</span> /**<a name="line.136"></a> +<span class="sourceLineNo">137</span> * Returns the status of the quota.<a name="line.137"></a> +<span class="sourceLineNo">138</span> */<a name="line.138"></a> +<span class="sourceLineNo">139</span> public SpaceQuotaStatus getQuotaStatus() {<a name="line.139"></a> +<span class="sourceLineNo">140</span> return quotaStatus;<a name="line.140"></a> +<span class="sourceLineNo">141</span> }<a name="line.141"></a> +<span class="sourceLineNo">142</span><a name="line.142"></a> +<span class="sourceLineNo">143</span> /**<a name="line.143"></a> +<span class="sourceLineNo">144</span> * Returns the current usage, in bytes, of the target (e.g. table, namespace).<a name="line.144"></a> +<span class="sourceLineNo">145</span> */<a name="line.145"></a> +<span class="sourceLineNo">146</span> public long getUsage() {<a name="line.146"></a> +<span class="sourceLineNo">147</span> return usage;<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> * Returns the limit, in bytes, of the target (e.g. table, namespace).<a name="line.151"></a> +<span class="sourceLineNo">152</span> */<a name="line.152"></a> +<span class="sourceLineNo">153</span> public long getLimit() {<a name="line.153"></a> +<span class="sourceLineNo">154</span> return limit;<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> @Override<a name="line.157"></a> +<span class="sourceLineNo">158</span> public int hashCode() {<a name="line.158"></a> +<span class="sourceLineNo">159</span> return new HashCodeBuilder()<a name="line.159"></a> +<span class="sourceLineNo">160</span> .append(quotaStatus.hashCode())<a name="line.160"></a> +<span class="sourceLineNo">161</span> .append(usage)<a name="line.161"></a> +<span class="sourceLineNo">162</span> .append(limit)<a name="line.162"></a> +<span class="sourceLineNo">163</span> .toHashCode();<a name="line.163"></a> +<span class="sourceLineNo">164</span> }<a name="line.164"></a> +<span class="sourceLineNo">165</span><a name="line.165"></a> +<span class="sourceLineNo">166</span> @Override<a name="line.166"></a> +<span class="sourceLineNo">167</span> public boolean equals(Object o) {<a name="line.167"></a> +<span class="sourceLineNo">168</span> if (o instanceof SpaceQuotaSnapshot) {<a name="line.168"></a> +<span class="sourceLineNo">169</span> SpaceQuotaSnapshot other = (SpaceQuotaSnapshot) o;<a name="line.169"></a> +<span class="sourceLineNo">170</span> return quotaStatus.equals(other.quotaStatus) && usage == other.usage && limit == other.limit;<a name="line.170"></a> +<span class="sourceLineNo">171</span> }<a name="line.171"></a> +<span class="sourceLineNo">172</span> return false;<a name="line.172"></a> +<span class="sourceLineNo">173</span> }<a name="line.173"></a> +<span class="sourceLineNo">174</span><a name="line.174"></a> +<span class="sourceLineNo">175</span> @Override<a name="line.175"></a> +<span class="sourceLineNo">176</span> public String toString() {<a name="line.176"></a> +<span class="sourceLineNo">177</span> StringBuilder sb = new StringBuilder(32);<a name="line.177"></a> +<span class="sourceLineNo">178</span> sb.append("SpaceQuotaSnapshot[policy=").append(quotaStatus).append(", use=");<a name="line.178"></a> +<span class="sourceLineNo">179</span> sb.append(StringUtils.byteDesc(usage)).append("/");<a name="line.179"></a> +<span class="sourceLineNo">180</span> sb.append(StringUtils.byteDesc(limit)).append("]");<a name="line.180"></a> +<span class="sourceLineNo">181</span> return sb.toString();<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> // ProtobufUtil is in hbase-client, and this doesn't need to be public.<a name="line.184"></a> +<span class="sourceLineNo">185</span> public static SpaceQuotaSnapshot toSpaceQuotaSnapshot(QuotaProtos.SpaceQuotaSnapshot proto) {<a name="line.185"></a> +<span class="sourceLineNo">186</span> return new SpaceQuotaSnapshot(SpaceQuotaStatus.toStatus(proto.getQuotaStatus()),<a name="line.186"></a> +<span class="sourceLineNo">187</span> proto.getQuotaUsage(), proto.getQuotaLimit());<a name="line.187"></a> +<span class="sourceLineNo">188</span> }<a name="line.188"></a> +<span class="sourceLineNo">189</span><a name="line.189"></a> +<span class="sourceLineNo">190</span> public static QuotaProtos.SpaceQuotaSnapshot toProtoSnapshot(SpaceQuotaSnapshot snapshot) {<a name="line.190"></a> +<span class="sourceLineNo">191</span> return QuotaProtos.SpaceQuotaSnapshot.newBuilder()<a name="line.191"></a> +<span class="sourceLineNo">192</span> .setQuotaStatus(SpaceQuotaStatus.toProto(snapshot.getQuotaStatus()))<a name="line.192"></a> +<span class="sourceLineNo">193</span> .setQuotaUsage(snapshot.getUsage()).setQuotaLimit(snapshot.getLimit()).build();<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> * Returns a singleton that corresponds to no snapshot information.<a name="line.197"></a> +<span class="sourceLineNo">198</span> */<a name="line.198"></a> +<span class="sourceLineNo">199</span> public static SpaceQuotaSnapshot getNoSuchSnapshot() {<a name="line.199"></a> +<span class="sourceLineNo">200</span> return NO_SUCH_SNAPSHOT;<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>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/476c54ed/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableQuotaSnapshotStore.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableQuotaSnapshotStore.html b/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableQuotaSnapshotStore.html index b7e80b6..12f3d31 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableQuotaSnapshotStore.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableQuotaSnapshotStore.html @@ -26,113 +26,163 @@ <span class="sourceLineNo">018</span><a name="line.18"></a> <span class="sourceLineNo">019</span>import java.io.IOException;<a name="line.19"></a> <span class="sourceLineNo">020</span>import java.util.Map;<a name="line.20"></a> -<span class="sourceLineNo">021</span>import java.util.Objects;<a name="line.21"></a> -<span class="sourceLineNo">022</span>import java.util.concurrent.locks.ReentrantReadWriteLock;<a name="line.22"></a> -<span class="sourceLineNo">023</span>import java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock;<a name="line.23"></a> -<span class="sourceLineNo">024</span>import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock;<a name="line.24"></a> -<span class="sourceLineNo">025</span>import java.util.Map.Entry;<a name="line.25"></a> +<span class="sourceLineNo">021</span>import java.util.Map.Entry;<a name="line.21"></a> +<span class="sourceLineNo">022</span>import java.util.Objects;<a name="line.22"></a> +<span class="sourceLineNo">023</span>import java.util.concurrent.locks.ReentrantReadWriteLock;<a name="line.23"></a> +<span class="sourceLineNo">024</span>import java.util.concurrent.locks.ReentrantReadWriteLock.ReadLock;<a name="line.24"></a> +<span class="sourceLineNo">025</span>import java.util.concurrent.locks.ReentrantReadWriteLock.WriteLock;<a name="line.25"></a> <span class="sourceLineNo">026</span><a name="line.26"></a> -<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.TableName;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot.SpaceQuotaStatus;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota;<a name="line.34"></a> -<span class="sourceLineNo">035</span><a name="line.35"></a> -<span class="sourceLineNo">036</span>import com.google.common.base.Predicate;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import com.google.common.collect.Iterables;<a name="line.37"></a> -<span class="sourceLineNo">038</span><a name="line.38"></a> -<span class="sourceLineNo">039</span>/**<a name="line.39"></a> -<span class="sourceLineNo">040</span> * {@link QuotaSnapshotStore} for tables.<a name="line.40"></a> -<span class="sourceLineNo">041</span> */<a name="line.41"></a> -<span class="sourceLineNo">042</span>@InterfaceAudience.Private<a name="line.42"></a> -<span class="sourceLineNo">043</span>public class TableQuotaSnapshotStore implements QuotaSnapshotStore<TableName> {<a name="line.43"></a> -<span class="sourceLineNo">044</span> private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();<a name="line.44"></a> -<span class="sourceLineNo">045</span> private final ReadLock rlock = lock.readLock();<a name="line.45"></a> -<span class="sourceLineNo">046</span> private final WriteLock wlock = lock.writeLock();<a name="line.46"></a> +<span class="sourceLineNo">027</span>import org.apache.commons.logging.Log;<a name="line.27"></a> +<span class="sourceLineNo">028</span>import org.apache.commons.logging.LogFactory;<a name="line.28"></a> +<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.Cell;<a name="line.29"></a> +<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.30"></a> +<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HRegionInfo;<a name="line.31"></a> +<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.TableName;<a name="line.32"></a> +<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.classification.InterfaceAudience;<a name="line.33"></a> +<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.34"></a> +<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.Result;<a name="line.35"></a> +<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.client.ResultScanner;<a name="line.36"></a> +<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.37"></a> +<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.Table;<a name="line.38"></a> +<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot.SpaceQuotaStatus;<a name="line.39"></a> +<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException;<a name="line.40"></a> +<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.41"></a> +<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.Quotas;<a name="line.42"></a> +<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.QuotaProtos.SpaceQuota;<a name="line.43"></a> +<span class="sourceLineNo">044</span><a name="line.44"></a> +<span class="sourceLineNo">045</span>import com.google.common.base.Predicate;<a name="line.45"></a> +<span class="sourceLineNo">046</span>import com.google.common.collect.Iterables;<a name="line.46"></a> <span class="sourceLineNo">047</span><a name="line.47"></a> -<span class="sourceLineNo">048</span> private final Connection conn;<a name="line.48"></a> -<span class="sourceLineNo">049</span> private final QuotaObserverChore chore;<a name="line.49"></a> -<span class="sourceLineNo">050</span> private Map<HRegionInfo,Long> regionUsage;<a name="line.50"></a> -<span class="sourceLineNo">051</span><a name="line.51"></a> -<span class="sourceLineNo">052</span> public TableQuotaSnapshotStore(Connection conn, QuotaObserverChore chore, Map<HRegionInfo,Long> regionUsage) {<a name="line.52"></a> -<span class="sourceLineNo">053</span> this.conn = Objects.requireNonNull(conn);<a name="line.53"></a> -<span class="sourceLineNo">054</span> this.chore = Objects.requireNonNull(chore);<a name="line.54"></a> -<span class="sourceLineNo">055</span> this.regionUsage = Objects.requireNonNull(regionUsage);<a name="line.55"></a> -<span class="sourceLineNo">056</span> }<a name="line.56"></a> -<span class="sourceLineNo">057</span><a name="line.57"></a> -<span class="sourceLineNo">058</span> @Override<a name="line.58"></a> -<span class="sourceLineNo">059</span> public SpaceQuota getSpaceQuota(TableName subject) throws IOException {<a name="line.59"></a> -<span class="sourceLineNo">060</span> Quotas quotas = getQuotaForTable(subject);<a name="line.60"></a> -<span class="sourceLineNo">061</span> if (quotas != null && quotas.hasSpace()) {<a name="line.61"></a> -<span class="sourceLineNo">062</span> return quotas.getSpace();<a name="line.62"></a> -<span class="sourceLineNo">063</span> }<a name="line.63"></a> -<span class="sourceLineNo">064</span> return null;<a name="line.64"></a> -<span class="sourceLineNo">065</span> }<a name="line.65"></a> -<span class="sourceLineNo">066</span> /**<a name="line.66"></a> -<span class="sourceLineNo">067</span> * Fetches the table quota. Visible for mocking/testing.<a name="line.67"></a> -<span class="sourceLineNo">068</span> */<a name="line.68"></a> -<span class="sourceLineNo">069</span> Quotas getQuotaForTable(TableName table) throws IOException {<a name="line.69"></a> -<span class="sourceLineNo">070</span> return QuotaTableUtil.getTableQuota(conn, table);<a name="line.70"></a> -<span class="sourceLineNo">071</span> }<a name="line.71"></a> -<span class="sourceLineNo">072</span><a name="line.72"></a> -<span class="sourceLineNo">073</span> @Override<a name="line.73"></a> -<span class="sourceLineNo">074</span> public SpaceQuotaSnapshot getCurrentState(TableName table) {<a name="line.74"></a> -<span class="sourceLineNo">075</span> // Defer the "current state" to the chore<a name="line.75"></a> -<span class="sourceLineNo">076</span> return chore.getTableQuotaSnapshot(table);<a name="line.76"></a> -<span class="sourceLineNo">077</span> }<a name="line.77"></a> -<span class="sourceLineNo">078</span><a name="line.78"></a> -<span class="sourceLineNo">079</span> @Override<a name="line.79"></a> -<span class="sourceLineNo">080</span> public SpaceQuotaSnapshot getTargetState(TableName table, SpaceQuota spaceQuota) {<a name="line.80"></a> -<span class="sourceLineNo">081</span> rlock.lock();<a name="line.81"></a> -<span class="sourceLineNo">082</span> try {<a name="line.82"></a> -<span class="sourceLineNo">083</span> final long sizeLimitInBytes = spaceQuota.getSoftLimit();<a name="line.83"></a> -<span class="sourceLineNo">084</span> long sum = 0L;<a name="line.84"></a> -<span class="sourceLineNo">085</span> for (Entry<HRegionInfo,Long> entry : filterBySubject(table)) {<a name="line.85"></a> -<span class="sourceLineNo">086</span> sum += entry.getValue();<a name="line.86"></a> -<span class="sourceLineNo">087</span> }<a name="line.87"></a> -<span class="sourceLineNo">088</span> // Observance is defined as the size of the table being less than the limit<a name="line.88"></a> -<span class="sourceLineNo">089</span> SpaceQuotaStatus status = sum <= sizeLimitInBytes ? SpaceQuotaStatus.notInViolation()<a name="line.89"></a> -<span class="sourceLineNo">090</span> : new SpaceQuotaStatus(ProtobufUtil.toViolationPolicy(spaceQuota.getViolationPolicy()));<a name="line.90"></a> -<span class="sourceLineNo">091</span> return new SpaceQuotaSnapshot(status, sum, sizeLimitInBytes);<a name="line.91"></a> -<span class="sourceLineNo">092</span> } finally {<a name="line.92"></a> -<span class="sourceLineNo">093</span> rlock.unlock();<a name="line.93"></a> -<span class="sourceLineNo">094</span> }<a name="line.94"></a> -<span class="sourceLineNo">095</span> }<a name="line.95"></a> -<span class="sourceLineNo">096</span><a name="line.96"></a> -<span class="sourceLineNo">097</span> @Override<a name="line.97"></a> -<span class="sourceLineNo">098</span> public Iterable<Entry<HRegionInfo,Long>> filterBySubject(TableName table) {<a name="line.98"></a> -<span class="sourceLineNo">099</span> rlock.lock();<a name="line.99"></a> -<span class="sourceLineNo">100</span> try {<a 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class="sourceLineNo">055</span> private final ReentrantReadWriteLock lock = new ReentrantReadWriteLock();<a name="line.55"></a> +<span class="sourceLineNo">056</span> private final ReadLock rlock = lock.readLock();<a name="line.56"></a> +<span class="sourceLineNo">057</span> private final WriteLock wlock = lock.writeLock();<a name="line.57"></a> +<span class="sourceLineNo">058</span><a name="line.58"></a> +<span class="sourceLineNo">059</span> private final Connection conn;<a name="line.59"></a> +<span class="sourceLineNo">060</span> private final QuotaObserverChore chore;<a name="line.60"></a> +<span class="sourceLineNo">061</span> private Map<HRegionInfo,Long> regionUsage;<a name="line.61"></a> +<span class="sourceLineNo">062</span><a name="line.62"></a> +<span class="sourceLineNo">063</span> public TableQuotaSnapshotStore(Connection conn, QuotaObserverChore chore, Map<HRegionInfo,Long> regionUsage) {<a name="line.63"></a> +<span class="sourceLineNo">064</span> this.conn = 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return null;<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> * Fetches the table quota. Visible for mocking/testing.<a name="line.78"></a> +<span class="sourceLineNo">079</span> */<a name="line.79"></a> +<span class="sourceLineNo">080</span> Quotas getQuotaForTable(TableName table) throws IOException {<a name="line.80"></a> +<span class="sourceLineNo">081</span> return QuotaTableUtil.getTableQuota(conn, table);<a name="line.81"></a> +<span class="sourceLineNo">082</span> }<a name="line.82"></a> +<span class="sourceLineNo">083</span><a name="line.83"></a> +<span class="sourceLineNo">084</span> @Override<a name="line.84"></a> +<span class="sourceLineNo">085</span> public SpaceQuotaSnapshot getCurrentState(TableName table) {<a name="line.85"></a> +<span class="sourceLineNo">086</span> // Defer the "current state" to the chore<a name="line.86"></a> +<span class="sourceLineNo">087</span> return chore.getTableQuotaSnapshot(table);<a name="line.87"></a> +<span class="sourceLineNo">088</span> }<a name="line.88"></a> +<span class="sourceLineNo">089</span><a name="line.89"></a> +<span class="sourceLineNo">090</span> @Override<a name="line.90"></a> +<span class="sourceLineNo">091</span> public SpaceQuotaSnapshot getTargetState(<a name="line.91"></a> +<span class="sourceLineNo">092</span> TableName table, SpaceQuota spaceQuota) throws IOException {<a name="line.92"></a> +<span class="sourceLineNo">093</span> rlock.lock();<a name="line.93"></a> +<span class="sourceLineNo">094</span> try {<a name="line.94"></a> +<span class="sourceLineNo">095</span> final long sizeLimitInBytes = spaceQuota.getSoftLimit();<a name="line.95"></a> +<span class="sourceLineNo">096</span> long sum = 0L;<a name="line.96"></a> +<span class="sourceLineNo">097</span> for (Entry<HRegionInfo,Long> entry : filterBySubject(table)) {<a name="line.97"></a> +<span class="sourceLineNo">098</span> sum += entry.getValue();<a name="line.98"></a> +<span class="sourceLineNo">099</span> }<a name="line.99"></a> +<span class="sourceLineNo">100</span> // Add in the size for any snapshots against this table<a name="line.100"></a> +<span class="sourceLineNo">101</span> sum += getSnapshotSizesForTable(table);<a name="line.101"></a> +<span class="sourceLineNo">102</span> // Observance is defined as the size of the table being less than the limit<a name="line.102"></a> +<span class="sourceLineNo">103</span> SpaceQuotaStatus status = sum <= sizeLimitInBytes ? SpaceQuotaStatus.notInViolation()<a name="line.103"></a> +<span class="sourceLineNo">104</span> : new SpaceQuotaStatus(ProtobufUtil.toViolationPolicy(spaceQuota.getViolationPolicy()));<a name="line.104"></a> +<span class="sourceLineNo">105</span> return new SpaceQuotaSnapshot(status, sum, sizeLimitInBytes);<a name="line.105"></a> +<span class="sourceLineNo">106</span> } finally {<a name="line.106"></a> +<span class="sourceLineNo">107</span> rlock.unlock();<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">110</span><a name="line.110"></a> +<span class="sourceLineNo">111</span> /**<a name="line.111"></a> +<span class="sourceLineNo">112</span> * Fetches any serialized snapshot sizes from the quota table for the {@code tn} provided. Any<a name="line.112"></a> +<span class="sourceLineNo">113</span> * malformed records are skipped with a warning printed out.<a name="line.113"></a> +<span class="sourceLineNo">114</span> */<a name="line.114"></a> +<span class="sourceLineNo">115</span> long getSnapshotSizesForTable(TableName tn) throws IOException {<a name="line.115"></a> +<span class="sourceLineNo">116</span> try (Table quotaTable = conn.getTable(QuotaTableUtil.QUOTA_TABLE_NAME)) {<a name="line.116"></a> +<span class="sourceLineNo">117</span> Scan s = QuotaTableUtil.createScanForSnapshotSizes(tn);<a name="line.117"></a> +<span class="sourceLineNo">118</span> ResultScanner rs = quotaTable.getScanner(s);<a name="line.118"></a> +<span class="sourceLineNo">119</span> try {<a name="line.119"></a> +<span class="sourceLineNo">120</span> long size = 0L;<a name="line.120"></a> +<span class="sourceLineNo">121</span> // Should just be a single row (for our table)<a name="line.121"></a> +<span class="sourceLineNo">122</span> for (Result result : rs) {<a name="line.122"></a> +<span class="sourceLineNo">123</span> // May have multiple columns, one for each snapshot<a name="line.123"></a> +<span class="sourceLineNo">124</span> CellScanner cs = result.cellScanner();<a name="line.124"></a> +<span class="sourceLineNo">125</span> while (cs.advance()) {<a name="line.125"></a> +<span class="sourceLineNo">126</span> Cell current = cs.current();<a name="line.126"></a> +<span class="sourceLineNo">127</span> try {<a name="line.127"></a> +<span class="sourceLineNo">128</span> long snapshotSize = QuotaTableUtil.parseSnapshotSize(current);<a name="line.128"></a> +<span class="sourceLineNo">129</span> if (LOG.isTraceEnabled()) {<a name="line.129"></a> +<span class="sourceLineNo">130</span> LOG.trace("Saw snapshot size of " + snapshotSize + " for " + current);<a name="line.130"></a> +<span class="sourceLineNo">131</span> }<a name="line.131"></a> +<span class="sourceLineNo">132</span> size += snapshotSize;<a name="line.132"></a> +<span class="sourceLineNo">133</span> } catch (InvalidProtocolBufferException e) {<a name="line.133"></a> +<span class="sourceLineNo">134</span> LOG.warn("Failed to parse snapshot size from cell: " + current);<a name="line.134"></a> +<span class="sourceLineNo">135</span> }<a name="line.135"></a> +<span class="sourceLineNo">136</span> }<a name="line.136"></a> +<span class="sourceLineNo">137</span> }<a name="line.137"></a> +<span class="sourceLineNo">138</span> return size;<a name="line.138"></a> +<span class="sourceLineNo">139</span> } finally {<a name="line.139"></a> +<span class="sourceLineNo">140</span> if (null != rs) {<a name="line.140"></a> +<span class="sourceLineNo">141</span> rs.close();<a name="line.141"></a> +<span class="sourceLineNo">142</span> }<a name="line.142"></a> +<span class="sourceLineNo">143</span> }<a name="line.143"></a> +<span class="sourceLineNo">144</span> }<a name="line.144"></a> +<span class="sourceLineNo">145</span> }<a name="line.145"></a> +<span class="sourceLineNo">146</span><a name="line.146"></a> +<span class="sourceLineNo">147</span> @Override<a name="line.147"></a> +<span class="sourceLineNo">148</span> public Iterable<Entry<HRegionInfo,Long>> filterBySubject(TableName table) {<a name="line.148"></a> +<span class="sourceLineNo">149</span> rlock.lock();<a name="line.149"></a> +<span class="sourceLineNo">150</span> try {<a name="line.150"></a> +<span class="sourceLineNo">151</span> return Iterables.filter(regionUsage.entrySet(), new Predicate<Entry<HRegionInfo,Long>>() {<a name="line.151"></a> +<span class="sourceLineNo">152</span> @Override<a name="line.152"></a> +<span class="sourceLineNo">153</span> public boolean apply(Entry<HRegionInfo,Long> input) {<a name="line.153"></a> +<span class="sourceLineNo">154</span> return table.equals(input.getKey().getTable());<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> } finally {<a name="line.157"></a> +<span class="sourceLineNo">158</span> rlock.unlock();<a name="line.158"></a> +<span class="sourceLineNo">159</span> }<a name="line.159"></a> +<span class="sourceLineNo">160</span> }<a name="line.160"></a> +<span class="sourceLineNo">161</span><a name="line.161"></a> +<span class="sourceLineNo">162</span> @Override<a name="line.162"></a> +<span class="sourceLineNo">163</span> public void setCurrentState(TableName table, SpaceQuotaSnapshot snapshot) {<a name="line.163"></a> +<span class="sourceLineNo">164</span> // Defer the "current state" to the chore<a name="line.164"></a> +<span class="sourceLineNo">165</span> this.chore.setTableQuotaSnapshot(table, snapshot);<a name="line.165"></a> +<span class="sourceLineNo">166</span> }<a name="line.166"></a> +<span class="sourceLineNo">167</span><a name="line.167"></a> +<span class="sourceLineNo">168</span> @Override<a name="line.168"></a> +<span class="sourceLineNo">169</span> public void setRegionUsage(Map<HRegionInfo,Long> regionUsage) {<a name="line.169"></a> +<span class="sourceLineNo">170</span> wlock.lock();<a name="line.170"></a> +<span class="sourceLineNo">171</span> try {<a name="line.171"></a> +<span class="sourceLineNo">172</span> this.regionUsage = Objects.requireNonNull(regionUsage);<a name="line.172"></a> +<span class="sourceLineNo">173</span> } finally {<a name="line.173"></a> +<span class="sourceLineNo">174</span> wlock.unlock();<a name="line.174"></a> +<span class="sourceLineNo">175</span> }<a name="line.175"></a> +<span class="sourceLineNo">176</span> }<a name="line.176"></a> +<span class="sourceLineNo">177</span>}<a name="line.177"></a> http://git-wip-us.apache.org/repos/asf/hbase-site/blob/476c54ed/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableSpaceQuotaSnapshotNotifier.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableSpaceQuotaSnapshotNotifier.html b/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableSpaceQuotaSnapshotNotifier.html index 8588251..3a3a9c1 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableSpaceQuotaSnapshotNotifier.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/quotas/TableSpaceQuotaSnapshotNotifier.html @@ -44,7 +44,7 @@ <span class="sourceLineNo">036</span> @Override<a name="line.36"></a> <span class="sourceLineNo">037</span> public void transitionTable(<a name="line.37"></a> <span class="sourceLineNo">038</span> TableName tableName, SpaceQuotaSnapshot snapshot) throws IOException {<a name="line.38"></a> -<span class="sourceLineNo">039</span> final Put p = QuotaTableUtil.createPutSpaceSnapshot(tableName, snapshot);<a name="line.39"></a> +<span class="sourceLineNo">039</span> final Put p = QuotaTableUtil.createPutForSpaceSnapshot(tableName, snapshot);<a name="line.39"></a> <span class="sourceLineNo">040</span> try (Table quotaTable = conn.getTable(QuotaTableUtil.QUOTA_TABLE_NAME)) {<a name="line.40"></a> <span class="sourceLineNo">041</span> if (LOG.isTraceEnabled()) {<a name="line.41"></a> <span class="sourceLineNo">042</span> LOG.trace("Persisting a space quota snapshot " + snapshot + " for " + tableName);<a name="line.42"></a>
