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From git-site-r...@apache.org
Subject [41/51] [partial] hbase-site git commit: Published site at .
Date Tue, 07 Nov 2017 15:16:31 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/2cef721c/apidocs/src-html/org/apache/hadoop/hbase/filter/BigDecimalComparator.html
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+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> *<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * Licensed to the Apache Software Foundation
(ASF) under one<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * or more contributor license agreements.
 See the NOTICE file<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * distributed with this work for additional
information<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * regarding copyright ownership.  The ASF
licenses this file<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * to you under the Apache License, Version
2.0 (the<a name="line.7"></a>
+<span class="sourceLineNo">008</span> * "License"); you may not use this file
except in compliance<a name="line.8"></a>
+<span class="sourceLineNo">009</span> * with the License.  You may obtain a copy
of the License at<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> *     http://www.apache.org/licenses/LICENSE-2.0<a
name="line.11"></a>
+<span class="sourceLineNo">012</span> *<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * Unless required by applicable law or
agreed to in writing, software<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * distributed under the License is distributed
on an "AS IS" BASIS,<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.<a name="line.15"></a>
+<span class="sourceLineNo">016</span> * See the License for the specific language
governing permissions and<a name="line.16"></a>
+<span class="sourceLineNo">017</span> * limitations under the License.<a name="line.17"></a>
+<span class="sourceLineNo">018</span> */<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>package org.apache.hadoop.hbase.filter;<a
name="line.20"></a>
+<span class="sourceLineNo">021</span><a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.math.BigDecimal;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.nio.ByteBuffer;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.util.Objects;<a name="line.24"></a>
+<span class="sourceLineNo">025</span><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.hadoop.hbase.shaded.com.google.protobuf.InvalidProtocolBufferException;<a
name="line.27"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a
name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ComparatorProtos;<a
name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.util.ByteBufferUtils;<a
name="line.30"></a>
+<span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.util.Bytes;<a
name="line.31"></a>
+<span class="sourceLineNo">032</span><a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.yetus.audience.InterfaceAudience;<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> * A BigDecimal comparator which numerical
compares against the specified byte array<a name="line.36"></a>
+<span class="sourceLineNo">037</span> */<a name="line.37"></a>
+<span class="sourceLineNo">038</span>@InterfaceAudience.Public<a name="line.38"></a>
+<span class="sourceLineNo">039</span>public class BigDecimalComparator extends
ByteArrayComparable {<a name="line.39"></a>
+<span class="sourceLineNo">040</span>  private BigDecimal bigDecimal;<a name="line.40"></a>
+<span class="sourceLineNo">041</span><a name="line.41"></a>
+<span class="sourceLineNo">042</span>  public BigDecimalComparator(BigDecimal
value) {<a name="line.42"></a>
+<span class="sourceLineNo">043</span>    super(Bytes.toBytes(value));<a name="line.43"></a>
+<span class="sourceLineNo">044</span>    this.bigDecimal = value;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>  }<a name="line.45"></a>
+<span class="sourceLineNo">046</span><a name="line.46"></a>
+<span class="sourceLineNo">047</span>  @Override<a name="line.47"></a>
+<span class="sourceLineNo">048</span>  public boolean equals(Object obj) {<a
name="line.48"></a>
+<span class="sourceLineNo">049</span>    if (obj == null || !(obj instanceof
BigDecimalComparator)) {<a name="line.49"></a>
+<span class="sourceLineNo">050</span>      return false;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>    }<a name="line.51"></a>
+<span class="sourceLineNo">052</span>    if (this == obj) {<a name="line.52"></a>
+<span class="sourceLineNo">053</span>      return true;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>    }<a name="line.54"></a>
+<span class="sourceLineNo">055</span>    BigDecimalComparator bdc = (BigDecimalComparator)
obj;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>    return this.bigDecimal.equals(bdc.bigDecimal);<a
name="line.56"></a>
+<span class="sourceLineNo">057</span>  }<a name="line.57"></a>
+<span class="sourceLineNo">058</span><a name="line.58"></a>
+<span class="sourceLineNo">059</span>  @Override<a name="line.59"></a>
+<span class="sourceLineNo">060</span>  public int hashCode() {<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    return Objects.hash(this.bigDecimal);<a
name="line.61"></a>
+<span class="sourceLineNo">062</span>  }<a name="line.62"></a>
+<span class="sourceLineNo">063</span><a name="line.63"></a>
+<span class="sourceLineNo">064</span>  @Override<a name="line.64"></a>
+<span class="sourceLineNo">065</span>  public int compareTo(byte[] value, int
offset, int length) {<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    BigDecimal that = Bytes.toBigDecimal(value,
offset, length);<a name="line.66"></a>
+<span class="sourceLineNo">067</span>    return this.bigDecimal.compareTo(that);<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>  @Override<a name="line.70"></a>
+<span class="sourceLineNo">071</span>  public int compareTo(ByteBuffer value,
int offset, int length) {<a name="line.71"></a>
+<span class="sourceLineNo">072</span>    BigDecimal that = ByteBufferUtils.toBigDecimal(value,
offset, length);<a name="line.72"></a>
+<span class="sourceLineNo">073</span>    return this.bigDecimal.compareTo(that);<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>  /**<a name="line.76"></a>
+<span class="sourceLineNo">077</span>   * @return The comparator serialized using
pb<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 byte[] toByteArray() {<a name="line.80"></a>
+<span class="sourceLineNo">081</span>    ComparatorProtos.BigDecimalComparator.Builder
builder =<a name="line.81"></a>
+<span class="sourceLineNo">082</span>        ComparatorProtos.BigDecimalComparator.newBuilder();<a
name="line.82"></a>
+<span class="sourceLineNo">083</span>    builder.setComparable(ProtobufUtil.toByteArrayComparable(this.value));<a
name="line.83"></a>
+<span class="sourceLineNo">084</span>    return builder.build().toByteArray();<a
name="line.84"></a>
+<span class="sourceLineNo">085</span>  }<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>   * @param pbBytes A pb serialized {@link
BigDecimalComparator} instance<a name="line.88"></a>
+<span class="sourceLineNo">089</span>   * @return An instance of {@link BigDecimalComparator}
made from &lt;code&gt;bytes&lt;/code&gt;<a name="line.89"></a>
+<span class="sourceLineNo">090</span>   * @throws DeserializationException A
deserialization exception<a name="line.90"></a>
+<span class="sourceLineNo">091</span>   * @see #toByteArray<a name="line.91"></a>
+<span class="sourceLineNo">092</span>   */<a name="line.92"></a>
+<span class="sourceLineNo">093</span>  public static BigDecimalComparator parseFrom(final
byte[] pbBytes)<a name="line.93"></a>
+<span class="sourceLineNo">094</span>      throws DeserializationException {<a
name="line.94"></a>
+<span class="sourceLineNo">095</span>    ComparatorProtos.BigDecimalComparator
proto;<a name="line.95"></a>
+<span class="sourceLineNo">096</span>    try {<a name="line.96"></a>
+<span class="sourceLineNo">097</span>      proto = ComparatorProtos.BigDecimalComparator.parseFrom(pbBytes);<a
name="line.97"></a>
+<span class="sourceLineNo">098</span>    } catch (InvalidProtocolBufferException
e) {<a name="line.98"></a>
+<span class="sourceLineNo">099</span>      throw new DeserializationException(e);<a
name="line.99"></a>
+<span class="sourceLineNo">100</span>    }<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    return new BigDecimalComparator(Bytes.toBigDecimal(proto.getComparable().getValue()<a
name="line.101"></a>
+<span class="sourceLineNo">102</span>        .toByteArray()));<a name="line.102"></a>
+<span class="sourceLineNo">103</span>  }<a name="line.103"></a>
+<span class="sourceLineNo">104</span><a name="line.104"></a>
+<span class="sourceLineNo">105</span>  /**<a name="line.105"></a>
+<span class="sourceLineNo">106</span>   * @param other the other comparator<a
name="line.106"></a>
+<span class="sourceLineNo">107</span>   * @return true if and only if the fields
of the comparator that are serialized are equal to the<a name="line.107"></a>
+<span class="sourceLineNo">108</span>   *         corresponding fields in other.
Used for testing.<a name="line.108"></a>
+<span class="sourceLineNo">109</span>   */<a name="line.109"></a>
+<span class="sourceLineNo">110</span>  boolean areSerializedFieldsEqual(BigDecimalComparator
other) {<a name="line.110"></a>
+<span class="sourceLineNo">111</span>    if (other == this) {<a name="line.111"></a>
+<span class="sourceLineNo">112</span>      return true;<a name="line.112"></a>
+<span class="sourceLineNo">113</span>    }<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    return super.areSerializedFieldsEqual(other);<a
name="line.114"></a>
+<span class="sourceLineNo">115</span>  }<a name="line.115"></a>
+<span class="sourceLineNo">116</span>}<a name="line.116"></a>
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+</pre>
+</div>
+</body>
+</html>


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