You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/08/24 14:47:43 UTC
[29/51] [partial] hbase-site git commit: Published site at
a452487a9b82bfd33bc10683c3f8b8ae74d58883.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/0cf79db0/apidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html
index c8e02c8..309387e 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/MultipleColumnPrefixFilter.html
@@ -27,195 +27,211 @@
<span class="sourceLineNo">019</span><a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import java.util.Comparator;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import java.util.TreeSet;<a name="line.23"></a>
-<span class="sourceLineNo">024</span><a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.Cell;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.PrivateCellUtil;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.apache.hbase.thirdparty.com.google.protobuf.UnsafeByteOperations;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.33"></a>
-<span class="sourceLineNo">034</span><a name="line.34"></a>
-<span class="sourceLineNo">035</span>/**<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * This filter is used for selecting only those keys with columns that matches<a name="line.36"></a>
-<span class="sourceLineNo">037</span> * a particular prefix. For example, if prefix is 'an', it will pass keys will<a name="line.37"></a>
-<span class="sourceLineNo">038</span> * columns like 'and', 'anti' but not keys with columns like 'ball', 'act'.<a name="line.38"></a>
-<span class="sourceLineNo">039</span> */<a name="line.39"></a>
-<span class="sourceLineNo">040</span>@InterfaceAudience.Public<a name="line.40"></a>
-<span class="sourceLineNo">041</span>public class MultipleColumnPrefixFilter extends FilterBase {<a name="line.41"></a>
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-<span class="sourceLineNo">043</span> protected TreeSet<byte []> sortedPrefixes = createTreeSet();<a name="line.43"></a>
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-<span class="sourceLineNo">046</span> public MultipleColumnPrefixFilter(final byte [][] prefixes) {<a name="line.46"></a>
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-<span class="sourceLineNo">048</span> for (int i = 0; i < prefixes.length; i++) {<a name="line.48"></a>
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-<span class="sourceLineNo">050</span> throw new IllegalArgumentException ("prefixes must be distinct");<a name="line.50"></a>
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-<span class="sourceLineNo">079</span> return ReturnCode.INCLUDE;<a name="line.79"></a>
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-<span class="sourceLineNo">081</span> return filterColumn(c);<a name="line.81"></a>
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-<span class="sourceLineNo">085</span> public ReturnCode filterColumn(Cell cell) {<a name="line.85"></a>
-<span class="sourceLineNo">086</span> byte [] qualifier = CellUtil.cloneQualifier(cell);<a name="line.86"></a>
-<span class="sourceLineNo">087</span> TreeSet<byte []> lesserOrEqualPrefixes =<a name="line.87"></a>
-<span class="sourceLineNo">088</span> (TreeSet<byte []>) sortedPrefixes.headSet(qualifier, true);<a name="line.88"></a>
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-<span class="sourceLineNo">092</span> <a name="line.92"></a>
-<span class="sourceLineNo">093</span> if (Bytes.startsWith(qualifier, largestPrefixSmallerThanQualifier)) {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> return ReturnCode.INCLUDE;<a name="line.94"></a>
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-<span class="sourceLineNo">097</span> if (lesserOrEqualPrefixes.size() == sortedPrefixes.size()) {<a name="line.97"></a>
-<span class="sourceLineNo">098</span> return ReturnCode.NEXT_ROW;<a name="line.98"></a>
-<span class="sourceLineNo">099</span> } else {<a name="line.99"></a>
-<span class="sourceLineNo">100</span> hint = sortedPrefixes.higher(largestPrefixSmallerThanQualifier);<a name="line.100"></a>
-<span class="sourceLineNo">101</span> return ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.101"></a>
-<span class="sourceLineNo">102</span> }<a name="line.102"></a>
-<span class="sourceLineNo">103</span> } else {<a name="line.103"></a>
-<span class="sourceLineNo">104</span> hint = sortedPrefixes.first();<a name="line.104"></a>
-<span class="sourceLineNo">105</span> return ReturnCode.SEEK_NEXT_USING_HINT;<a name="line.105"></a>
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-<span class="sourceLineNo">108</span><a name="line.108"></a>
-<span class="sourceLineNo">109</span> public static Filter createFilterFromArguments(ArrayList<byte []> filterArguments) {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> byte [][] prefixes = new byte [filterArguments.size()][];<a name="line.110"></a>
-<span class="sourceLineNo">111</span> for (int i = 0 ; i < filterArguments.size(); i++) {<a name="line.111"></a>
-<span class="sourceLineNo">112</span> byte [] columnPrefix = ParseFilter.removeQuotesFromByteArray(filterArguments.get(i));<a name="line.112"></a>
-<span class="sourceLineNo">113</span> prefixes[i] = columnPrefix;<a name="line.113"></a>
-<span class="sourceLineNo">114</span> }<a name="line.114"></a>
-<span class="sourceLineNo">115</span> return new MultipleColumnPrefixFilter(prefixes);<a name="line.115"></a>
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-<span class="sourceLineNo">118</span> /**<a name="line.118"></a>
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-<span class="sourceLineNo">121</span> @Override<a name="line.121"></a>
-<span class="sourceLineNo">122</span> public byte [] toByteArray() {<a name="line.122"></a>
-<span class="sourceLineNo">123</span> FilterProtos.MultipleColumnPrefixFilter.Builder builder =<a name="line.123"></a>
-<span class="sourceLineNo">124</span> FilterProtos.MultipleColumnPrefixFilter.newBuilder();<a name="line.124"></a>
-<span class="sourceLineNo">125</span> for (byte [] element : sortedPrefixes) {<a name="line.125"></a>
-<span class="sourceLineNo">126</span> if (element != null) builder.addSortedPrefixes(UnsafeByteOperations.unsafeWrap(element));<a name="line.126"></a>
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-<span class="sourceLineNo">131</span> /**<a name="line.131"></a>
-<span class="sourceLineNo">132</span> * @param pbBytes A pb serialized {@link MultipleColumnPrefixFilter} instance<a name="line.132"></a>
-<span class="sourceLineNo">133</span> * @return An instance of {@link MultipleColumnPrefixFilter} made from <code>bytes</code><a name="line.133"></a>
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-<span class="sourceLineNo">137</span> public static MultipleColumnPrefixFilter parseFrom(final byte [] pbBytes)<a name="line.137"></a>
-<span class="sourceLineNo">138</span> throws DeserializationException {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> FilterProtos.MultipleColumnPrefixFilter proto;<a name="line.139"></a>
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+<span class="sourceLineNo">030</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.30"></a>
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+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<a name="line.34"></a>
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/0cf79db0/apidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html
----------------------------------------------------------------------
diff --git a/apidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html b/apidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html
index 26f9b2a..746a5a9 100644
--- a/apidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html
+++ b/apidocs/src-html/org/apache/hadoop/hbase/filter/PageFilter.html
@@ -28,137 +28,152 @@
<span class="sourceLineNo">020</span><a name="line.20"></a>
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+<span class="sourceLineNo">024</span><a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.Cell;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hbase.thirdparty.com.google.protobuf.InvalidProtocolBufferException;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.FilterProtos;<a name="line.31"></a>
+<span class="sourceLineNo">032</span><a name="line.32"></a>
+<span class="sourceLineNo">033</span>/**<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * Implementation of Filter interface that limits results to a specific page<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * size. It terminates scanning once the number of filter-passed rows is &gt;<a name="line.35"></a>
+<span class="sourceLineNo">036</span> * the given page size.<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * <p><a name="line.37"></a>
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+<span class="sourceLineNo">039</span> * to a client are &lt;= page size. This is because the filter is applied<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * separately on different region servers. It does however optimize the scan of<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * individual HRegions by making sure that the page size is never exceeded<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * locally.<a name="line.42"></a>
+<span class="sourceLineNo">043</span> */<a name="line.43"></a>
+<span class="sourceLineNo">044</span>@InterfaceAudience.Public<a name="line.44"></a>
+<span class="sourceLineNo">045</span>public class PageFilter extends FilterBase {<a name="line.45"></a>
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+<span class="sourceLineNo">048</span><a name="line.48"></a>
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+<span class="sourceLineNo">063</span> @Override<a name="line.63"></a>
+<span class="sourceLineNo">064</span> public boolean filterRowKey(Cell cell) throws IOException {<a name="line.64"></a>
+<span class="sourceLineNo">065</span> // Impl in FilterBase might do unnecessary copy for Off heap backed Cells.<a name="line.65"></a>
+<span class="sourceLineNo">066</span> if (filterAllRemaining()) return true;<a name="line.66"></a>
+<span class="sourceLineNo">067</span> return false;<a name="line.67"></a>
+<span class="sourceLineNo">068</span> }<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span> @Deprecated<a name="line.70"></a>
+<span class="sourceLineNo">071</span> @Override<a name="line.71"></a>
+<span class="sourceLineNo">072</span> public ReturnCode filterKeyValue(final Cell c) throws IOException {<a name="line.72"></a>
+<span class="sourceLineNo">073</span> return filterCell(c);<a name="line.73"></a>
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+<span class="sourceLineNo">076</span> @Override<a name="line.76"></a>
+<span class="sourceLineNo">077</span> public ReturnCode filterCell(final Cell ignored) throws IOException {<a name="line.77"></a>
+<span class="sourceLineNo">078</span> return ReturnCode.INCLUDE;<a name="line.78"></a>
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+<span class="sourceLineNo">081</span> @Override<a name="line.81"></a>
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+<span class="sourceLineNo">088</span> this.rowsAccepted++;<a name="line.88"></a>
+<span class="sourceLineNo">089</span> return this.rowsAccepted > this.pageSize;<a name="line.89"></a>
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+<span class="sourceLineNo">092</span> @Override<a name="line.92"></a>
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+<span class="sourceLineNo">096</span><a name="line.96"></a>
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+<span class="sourceLineNo">098</span> Preconditions.checkArgument(filterArguments.size() == 1,<a name="line.98"></a>
+<span class="sourceLineNo">099</span> "Expected 1 but got: %s", filterArguments.size());<a name="line.99"></a>
+<span class="sourceLineNo">100</span> long pageSize = ParseFilter.convertByteArrayToLong(filterArguments.get(0));<a name="line.100"></a>
+<span class="sourceLineNo">101</span> return new PageFilter(pageSize);<a name="line.101"></a>
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+<span class="sourceLineNo">103</span><a name="line.103"></a>
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+<span class="sourceLineNo">106</span> */<a name="line.106"></a>
+<span class="sourceLineNo">107</span> @Override<a name="line.107"></a>
+<span class="sourceLineNo">108</span> public byte [] toByteArray() {<a name="line.108"></a>
+<span class="sourceLineNo">109</span> FilterProtos.PageFilter.Builder builder =<a name="line.109"></a>
+<span class="sourceLineNo">110</span> FilterProtos.PageFilter.newBuilder();<a name="line.110"></a>
+<span class="sourceLineNo">111</span> builder.setPageSize(this.pageSize);<a name="line.111"></a>
+<span class="sourceLineNo">112</span> return builder.build().toByteArray();<a name="line.112"></a>
+<span class="sourceLineNo">113</span> }<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
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+<span class="sourceLineNo">116</span> * @param pbBytes A pb serialized {@link PageFilter} instance<a name="line.116"></a>
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+<span class="sourceLineNo">118</span> * @throws DeserializationException<a name="line.118"></a>
+<span class="sourceLineNo">119</span> * @see #toByteArray<a name="line.119"></a>
+<span class="sourceLineNo">120</span> */<a name="line.120"></a>
+<span class="sourceLineNo">121</span> public static PageFilter parseFrom(final byte [] pbBytes)<a name="line.121"></a>
+<span class="sourceLineNo">122</span> throws DeserializationException {<a name="line.122"></a>
+<span class="sourceLineNo">123</span> FilterProtos.PageFilter proto;<a name="line.123"></a>
+<span class="sourceLineNo">124</span> try {<a name="line.124"></a>
+<span class="sourceLineNo">125</span> proto = FilterProtos.PageFilter.parseFrom(pbBytes);<a name="line.125"></a>
+<span class="sourceLineNo">126</span> } catch (InvalidProtocolBufferException e) {<a name="line.126"></a>
+<span class="sourceLineNo">127</span> throw new DeserializationException(e);<a name="line.127"></a>
+<span class="sourceLineNo">128</span> }<a name="line.128"></a>
+<span class="sourceLineNo">129</span> return new PageFilter(proto.getPageSize());<a name="line.129"></a>
+<span class="sourceLineNo">130</span> }<a name="line.130"></a>
+<span class="sourceLineNo">131</span><a name="line.131"></a>
+<span class="sourceLineNo">132</span> /**<a name="line.132"></a>
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+<span class="sourceLineNo">135</span> * corresponding fields in other. Used for testing.<a name="line.135"></a>
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+<span class="sourceLineNo">137</span> @Override<a name="line.137"></a>
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+<span class="sourceLineNo">145</span><a name="line.145"></a>
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+<span class="sourceLineNo">149</span><a name="line.149"></a>
+<span class="sourceLineNo">150</span> @Override<a name="line.150"></a>
+<span class="sourceLineNo">151</span> public String toString() {<a name="line.151"></a>
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+<span class="sourceLineNo">153</span> }<a name="line.153"></a>
+<span class="sourceLineNo">154</span><a name="line.154"></a>
+<span class="sourceLineNo">155</span> @Override<a name="line.155"></a>
+<span class="sourceLineNo">156</span> public boolean equals(Object obj) {<a name="line.156"></a>
+<span class="sourceLineNo">157</span> if (obj == null || (!(obj instanceof PageFilter))) {<a name="line.157"></a>
+<span class="sourceLineNo">158</span> return false;<a name="line.158"></a>
+<span class="sourceLineNo">159</span> }<a name="line.159"></a>
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+<span class="sourceLineNo">161</span> return this.areSerializedFieldsEqual(f);<a name="line.161"></a>
+<span class="sourceLineNo">162</span> }<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span> @Override<a name="line.164"></a>
+<span class="sourceLineNo">165</span> public int hashCode() {<a name="line.165"></a>
+<span class="sourceLineNo">166</span> return Objects.hash(this.pageSize);<a name="line.166"></a>
+<span class="sourceLineNo">167</span> }<a name="line.167"></a>
+<span class="sourceLineNo">168</span>}<a name="line.168"></a>