apidocs/src-html/org/apache/hadoop/hbase/util/Triple.html - hbase-site - Git at Google

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 <pre><span class="source-line-no">001</span><span id="line-1">/*</span>
 <span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span>
 <span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements.  See the NOTICE file</span>
 <span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span>
 <span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership.  The ASF licenses this file</span>
 <span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span>
 <span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span>
 <span class="source-line-no">008</span><span id="line-8"> * with the License.  You may obtain a copy of the License at</span>
 <span class="source-line-no">009</span><span id="line-9"> *</span>
 <span class="source-line-no">010</span><span id="line-10"> *     http://www.apache.org/licenses/LICENSE-2.0</span>
 <span class="source-line-no">011</span><span id="line-11"> *</span>
 <span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span>
 <span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
 <span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
 <span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span>
 <span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span>
 <span class="source-line-no">017</span><span id="line-17"> */</span>
 <span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.util;</span>
 <span class="source-line-no">019</span><span id="line-19"></span>
 <span class="source-line-no">020</span><span id="line-20">import org.apache.yetus.audience.InterfaceAudience;</span>
 <span class="source-line-no">021</span><span id="line-21"></span>
 <span class="source-line-no">022</span><span id="line-22">/**</span>
 <span class="source-line-no">023</span><span id="line-23"> * Utility class to manage a triple.</span>
 <span class="source-line-no">024</span><span id="line-24"> */</span>
 <span class="source-line-no">025</span><span id="line-25">@InterfaceAudience.Private</span>
 <span class="source-line-no">026</span><span id="line-26">public class Triple&lt;A, B, C&gt; {</span>
 <span class="source-line-no">027</span><span id="line-27">  private A first;</span>
 <span class="source-line-no">028</span><span id="line-28">  private B second;</span>
 <span class="source-line-no">029</span><span id="line-29">  private C third;</span>
 <span class="source-line-no">030</span><span id="line-30"></span>
 <span class="source-line-no">031</span><span id="line-31">  // default constructor</span>
 <span class="source-line-no">032</span><span id="line-32">  public Triple() {</span>
 <span class="source-line-no">033</span><span id="line-33"></span>
 <span class="source-line-no">034</span><span id="line-34">  }</span>
 <span class="source-line-no">035</span><span id="line-35"></span>
 <span class="source-line-no">036</span><span id="line-36">  public Triple(A first, B second, C third) {</span>
 <span class="source-line-no">037</span><span id="line-37">    this.first = first;</span>
 <span class="source-line-no">038</span><span id="line-38">    this.second = second;</span>
 <span class="source-line-no">039</span><span id="line-39">    this.third = third;</span>
 <span class="source-line-no">040</span><span id="line-40">  }</span>
 <span class="source-line-no">041</span><span id="line-41"></span>
 <span class="source-line-no">042</span><span id="line-42">  // ctor cannot infer types w/o warning but a method can.</span>
 <span class="source-line-no">043</span><span id="line-43">  public static &lt;A, B, C&gt; Triple&lt;A, B, C&gt; create(A first, B second, C third) {</span>
 <span class="source-line-no">044</span><span id="line-44">    return new Triple&lt;&gt;(first, second, third);</span>
 <span class="source-line-no">045</span><span id="line-45">  }</span>
 <span class="source-line-no">046</span><span id="line-46"></span>
 <span class="source-line-no">047</span><span id="line-47">  @Override</span>
 <span class="source-line-no">048</span><span id="line-48">  public int hashCode() {</span>
 <span class="source-line-no">049</span><span id="line-49">    int hashFirst = (first != null ? first.hashCode() : 0);</span>
 <span class="source-line-no">050</span><span id="line-50">    int hashSecond = (second != null ? second.hashCode() : 0);</span>
 <span class="source-line-no">051</span><span id="line-51">    int hashThird = (third != null ? third.hashCode() : 0);</span>
 <span class="source-line-no">052</span><span id="line-52"></span>
 <span class="source-line-no">053</span><span id="line-53">    return (hashFirst &gt;&gt; 1) ^ hashSecond ^ (hashThird &lt;&lt; 1);</span>
 <span class="source-line-no">054</span><span id="line-54">  }</span>
 <span class="source-line-no">055</span><span id="line-55"></span>
 <span class="source-line-no">056</span><span id="line-56">  @Override</span>
 <span class="source-line-no">057</span><span id="line-57">  public boolean equals(Object obj) {</span>
 <span class="source-line-no">058</span><span id="line-58">    if (!(obj instanceof Triple)) {</span>
 <span class="source-line-no">059</span><span id="line-59">      return false;</span>
 <span class="source-line-no">060</span><span id="line-60">    }</span>
 <span class="source-line-no">061</span><span id="line-61"></span>
 <span class="source-line-no">062</span><span id="line-62">    Triple&lt;?, ?, ?&gt; otherTriple = (Triple&lt;?, ?, ?&gt;) obj;</span>
 <span class="source-line-no">063</span><span id="line-63"></span>
 <span class="source-line-no">064</span><span id="line-64">    if (first != otherTriple.first &amp;&amp; (first != null &amp;&amp; !first.equals(otherTriple.first)))</span>
 <span class="source-line-no">065</span><span id="line-65">      return false;</span>
 <span class="source-line-no">066</span><span id="line-66">    if (second != otherTriple.second &amp;&amp; (second != null &amp;&amp; !second.equals(otherTriple.second)))</span>
 <span class="source-line-no">067</span><span id="line-67">      return false;</span>
 <span class="source-line-no">068</span><span id="line-68">    if (third != otherTriple.third &amp;&amp; (third != null &amp;&amp; !third.equals(otherTriple.third)))</span>
 <span class="source-line-no">069</span><span id="line-69">      return false;</span>
 <span class="source-line-no">070</span><span id="line-70"></span>
 <span class="source-line-no">071</span><span id="line-71">    return true;</span>
 <span class="source-line-no">072</span><span id="line-72">  }</span>
 <span class="source-line-no">073</span><span id="line-73"></span>
 <span class="source-line-no">074</span><span id="line-74">  @Override</span>
 <span class="source-line-no">075</span><span id="line-75">  public String toString() {</span>
 <span class="source-line-no">076</span><span id="line-76">    return "(" + first + ", " + second + "," + third + " )";</span>
 <span class="source-line-no">077</span><span id="line-77">  }</span>
 <span class="source-line-no">078</span><span id="line-78"></span>
 <span class="source-line-no">079</span><span id="line-79">  public A getFirst() {</span>
 <span class="source-line-no">080</span><span id="line-80">    return first;</span>
 <span class="source-line-no">081</span><span id="line-81">  }</span>
 <span class="source-line-no">082</span><span id="line-82"></span>
 <span class="source-line-no">083</span><span id="line-83">  public void setFirst(A first) {</span>
 <span class="source-line-no">084</span><span id="line-84">    this.first = first;</span>
 <span class="source-line-no">085</span><span id="line-85">  }</span>
 <span class="source-line-no">086</span><span id="line-86"></span>
 <span class="source-line-no">087</span><span id="line-87">  public B getSecond() {</span>
 <span class="source-line-no">088</span><span id="line-88">    return second;</span>
 <span class="source-line-no">089</span><span id="line-89">  }</span>
 <span class="source-line-no">090</span><span id="line-90"></span>
 <span class="source-line-no">091</span><span id="line-91">  public void setSecond(B second) {</span>
 <span class="source-line-no">092</span><span id="line-92">    this.second = second;</span>
 <span class="source-line-no">093</span><span id="line-93">  }</span>
 <span class="source-line-no">094</span><span id="line-94"></span>
 <span class="source-line-no">095</span><span id="line-95">  public C getThird() {</span>
 <span class="source-line-no">096</span><span id="line-96">    return third;</span>
 <span class="source-line-no">097</span><span id="line-97">  }</span>
 <span class="source-line-no">098</span><span id="line-98"></span>
 <span class="source-line-no">099</span><span id="line-99">  public void setThird(C third) {</span>
 <span class="source-line-no">100</span><span id="line-100">    this.third = third;</span>
 <span class="source-line-no">101</span><span id="line-101">  }</span>
 <span class="source-line-no">102</span><span id="line-102">}</span>


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	<!-- Generated by javadoc (17) -->
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	<pre><span class="source-line-no">001</span><span id="line-1">/*</span>
	<span class="source-line-no">002</span><span id="line-2"> * Licensed to the Apache Software Foundation (ASF) under one</span>
	<span class="source-line-no">003</span><span id="line-3"> * or more contributor license agreements. See the NOTICE file</span>
	<span class="source-line-no">004</span><span id="line-4"> * distributed with this work for additional information</span>
	<span class="source-line-no">005</span><span id="line-5"> * regarding copyright ownership. The ASF licenses this file</span>
	<span class="source-line-no">006</span><span id="line-6"> * to you under the Apache License, Version 2.0 (the</span>
	<span class="source-line-no">007</span><span id="line-7"> * "License"); you may not use this file except in compliance</span>
	<span class="source-line-no">008</span><span id="line-8"> * with the License. You may obtain a copy of the License at</span>
	<span class="source-line-no">009</span><span id="line-9"> *</span>
	<span class="source-line-no">010</span><span id="line-10"> * http://www.apache.org/licenses/LICENSE-2.0</span>
	<span class="source-line-no">011</span><span id="line-11"> *</span>
	<span class="source-line-no">012</span><span id="line-12"> * Unless required by applicable law or agreed to in writing, software</span>
	<span class="source-line-no">013</span><span id="line-13"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
	<span class="source-line-no">014</span><span id="line-14"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
	<span class="source-line-no">015</span><span id="line-15"> * See the License for the specific language governing permissions and</span>
	<span class="source-line-no">016</span><span id="line-16"> * limitations under the License.</span>
	<span class="source-line-no">017</span><span id="line-17"> */</span>
	<span class="source-line-no">018</span><span id="line-18">package org.apache.hadoop.hbase.util;</span>
	<span class="source-line-no">019</span><span id="line-19"></span>
	<span class="source-line-no">020</span><span id="line-20">import org.apache.yetus.audience.InterfaceAudience;</span>
	<span class="source-line-no">021</span><span id="line-21"></span>
	<span class="source-line-no">022</span><span id="line-22">/**</span>
	<span class="source-line-no">023</span><span id="line-23"> * Utility class to manage a triple.</span>
	<span class="source-line-no">024</span><span id="line-24"> */</span>
	<span class="source-line-no">025</span><span id="line-25">@InterfaceAudience.Private</span>
	<span class="source-line-no">026</span><span id="line-26">public class Triple<A, B, C> {</span>
	<span class="source-line-no">027</span><span id="line-27"> private A first;</span>
	<span class="source-line-no">028</span><span id="line-28"> private B second;</span>
	<span class="source-line-no">029</span><span id="line-29"> private C third;</span>
	<span class="source-line-no">030</span><span id="line-30"></span>
	<span class="source-line-no">031</span><span id="line-31"> // default constructor</span>
	<span class="source-line-no">032</span><span id="line-32"> public Triple() {</span>
	<span class="source-line-no">033</span><span id="line-33"></span>
	<span class="source-line-no">034</span><span id="line-34"> }</span>
	<span class="source-line-no">035</span><span id="line-35"></span>
	<span class="source-line-no">036</span><span id="line-36"> public Triple(A first, B second, C third) {</span>
	<span class="source-line-no">037</span><span id="line-37"> this.first = first;</span>
	<span class="source-line-no">038</span><span id="line-38"> this.second = second;</span>
	<span class="source-line-no">039</span><span id="line-39"> this.third = third;</span>
	<span class="source-line-no">040</span><span id="line-40"> }</span>
	<span class="source-line-no">041</span><span id="line-41"></span>
	<span class="source-line-no">042</span><span id="line-42"> // ctor cannot infer types w/o warning but a method can.</span>
	<span class="source-line-no">043</span><span id="line-43"> public static <A, B, C> Triple<A, B, C> create(A first, B second, C third) {</span>
	<span class="source-line-no">044</span><span id="line-44"> return new Triple<>(first, second, third);</span>
	<span class="source-line-no">045</span><span id="line-45"> }</span>
	<span class="source-line-no">046</span><span id="line-46"></span>
	<span class="source-line-no">047</span><span id="line-47"> @Override</span>
	<span class="source-line-no">048</span><span id="line-48"> public int hashCode() {</span>
	<span class="source-line-no">049</span><span id="line-49"> int hashFirst = (first != null ? first.hashCode() : 0);</span>
	<span class="source-line-no">050</span><span id="line-50"> int hashSecond = (second != null ? second.hashCode() : 0);</span>
	<span class="source-line-no">051</span><span id="line-51"> int hashThird = (third != null ? third.hashCode() : 0);</span>
	<span class="source-line-no">052</span><span id="line-52"></span>
	<span class="source-line-no">053</span><span id="line-53"> return (hashFirst >> 1) ^ hashSecond ^ (hashThird << 1);</span>
	<span class="source-line-no">054</span><span id="line-54"> }</span>
	<span class="source-line-no">055</span><span id="line-55"></span>
	<span class="source-line-no">056</span><span id="line-56"> @Override</span>
	<span class="source-line-no">057</span><span id="line-57"> public boolean equals(Object obj) {</span>
	<span class="source-line-no">058</span><span id="line-58"> if (!(obj instanceof Triple)) {</span>
	<span class="source-line-no">059</span><span id="line-59"> return false;</span>
	<span class="source-line-no">060</span><span id="line-60"> }</span>
	<span class="source-line-no">061</span><span id="line-61"></span>
	<span class="source-line-no">062</span><span id="line-62"> Triple<?, ?, ?> otherTriple = (Triple<?, ?, ?>) obj;</span>
	<span class="source-line-no">063</span><span id="line-63"></span>
	<span class="source-line-no">064</span><span id="line-64"> if (first != otherTriple.first && (first != null && !first.equals(otherTriple.first)))</span>
	<span class="source-line-no">065</span><span id="line-65"> return false;</span>
	<span class="source-line-no">066</span><span id="line-66"> if (second != otherTriple.second && (second != null && !second.equals(otherTriple.second)))</span>
	<span class="source-line-no">067</span><span id="line-67"> return false;</span>
	<span class="source-line-no">068</span><span id="line-68"> if (third != otherTriple.third && (third != null && !third.equals(otherTriple.third)))</span>
	<span class="source-line-no">069</span><span id="line-69"> return false;</span>
	<span class="source-line-no">070</span><span id="line-70"></span>
	<span class="source-line-no">071</span><span id="line-71"> return true;</span>
	<span class="source-line-no">072</span><span id="line-72"> }</span>
	<span class="source-line-no">073</span><span id="line-73"></span>
	<span class="source-line-no">074</span><span id="line-74"> @Override</span>
	<span class="source-line-no">075</span><span id="line-75"> public String toString() {</span>
	<span class="source-line-no">076</span><span id="line-76"> return "(" + first + ", " + second + "," + third + " )";</span>
	<span class="source-line-no">077</span><span id="line-77"> }</span>
	<span class="source-line-no">078</span><span id="line-78"></span>
	<span class="source-line-no">079</span><span id="line-79"> public A getFirst() {</span>
	<span class="source-line-no">080</span><span id="line-80"> return first;</span>
	<span class="source-line-no">081</span><span id="line-81"> }</span>
	<span class="source-line-no">082</span><span id="line-82"></span>
	<span class="source-line-no">083</span><span id="line-83"> public void setFirst(A first) {</span>
	<span class="source-line-no">084</span><span id="line-84"> this.first = first;</span>
	<span class="source-line-no">085</span><span id="line-85"> }</span>
	<span class="source-line-no">086</span><span id="line-86"></span>
	<span class="source-line-no">087</span><span id="line-87"> public B getSecond() {</span>
	<span class="source-line-no">088</span><span id="line-88"> return second;</span>
	<span class="source-line-no">089</span><span id="line-89"> }</span>
	<span class="source-line-no">090</span><span id="line-90"></span>
	<span class="source-line-no">091</span><span id="line-91"> public void setSecond(B second) {</span>
	<span class="source-line-no">092</span><span id="line-92"> this.second = second;</span>
	<span class="source-line-no">093</span><span id="line-93"> }</span>
	<span class="source-line-no">094</span><span id="line-94"></span>
	<span class="source-line-no">095</span><span id="line-95"> public C getThird() {</span>
	<span class="source-line-no">096</span><span id="line-96"> return third;</span>
	<span class="source-line-no">097</span><span id="line-97"> }</span>
	<span class="source-line-no">098</span><span id="line-98"></span>
	<span class="source-line-no">099</span><span id="line-99"> public void setThird(C third) {</span>
	<span class="source-line-no">100</span><span id="line-100"> this.third = third;</span>
	<span class="source-line-no">101</span><span id="line-101"> }</span>
	<span class="source-line-no">102</span><span id="line-102">}</span>




























































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