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<FONT color="green">001</FONT>    /**<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a>
<FONT color="green">003</FONT>     * or more contributor license agreements.  See the NOTICE file<a name="line.3"></a>
<FONT color="green">004</FONT>     * distributed with this work for additional information<a name="line.4"></a>
<FONT color="green">005</FONT>     * regarding copyright ownership.  The ASF licenses this file<a name="line.5"></a>
<FONT color="green">006</FONT>     * to you under the Apache License, Version 2.0 (the<a name="line.6"></a>
<FONT color="green">007</FONT>     * "License"); you may not use this file except in compliance<a name="line.7"></a>
<FONT color="green">008</FONT>     * with the License.  You may obtain a copy of the License at<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     *     http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a>
<FONT color="green">011</FONT>     *<a name="line.11"></a>
<FONT color="green">012</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a>
<FONT color="green">013</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a>
<FONT color="green">014</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a>
<FONT color="green">015</FONT>     * See the License for the specific language governing permissions and<a name="line.15"></a>
<FONT color="green">016</FONT>     * limitations under the License.<a name="line.16"></a>
<FONT color="green">017</FONT>     */<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    package org.apache.hadoop.yarn.api.records;<a name="line.19"></a>
<FONT color="green">020</FONT>    <a name="line.20"></a>
<FONT color="green">021</FONT>    import java.text.NumberFormat;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>    import org.apache.hadoop.classification.InterfaceAudience.Private;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.apache.hadoop.classification.InterfaceAudience.Public;<a name="line.24"></a>
<FONT color="green">025</FONT>    import org.apache.hadoop.classification.InterfaceStability.Stable;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.apache.hadoop.classification.InterfaceStability.Unstable;<a name="line.26"></a>
<FONT color="green">027</FONT>    <a name="line.27"></a>
<FONT color="green">028</FONT>    /**<a name="line.28"></a>
<FONT color="green">029</FONT>     * &lt;p&gt;&lt;code&gt;ContainerId&lt;/code&gt; represents a globally unique identifier<a name="line.29"></a>
<FONT color="green">030</FONT>     * for a {@link Container} in the cluster.&lt;/p&gt;<a name="line.30"></a>
<FONT color="green">031</FONT>     */<a name="line.31"></a>
<FONT color="green">032</FONT>    @Public<a name="line.32"></a>
<FONT color="green">033</FONT>    @Stable<a name="line.33"></a>
<FONT color="green">034</FONT>    public abstract class ContainerId implements Comparable&lt;ContainerId&gt;{<a name="line.34"></a>
<FONT color="green">035</FONT>      /**<a name="line.35"></a>
<FONT color="green">036</FONT>       * Get the &lt;code&gt;ApplicationAttemptId&lt;/code&gt; of the application to which<a name="line.36"></a>
<FONT color="green">037</FONT>       * the &lt;code&gt;Container&lt;/code&gt; was assigned.<a name="line.37"></a>
<FONT color="green">038</FONT>       * @return &lt;code&gt;ApplicationAttemptId&lt;/code&gt; of the application to which<a name="line.38"></a>
<FONT color="green">039</FONT>       *         the &lt;code&gt;Container&lt;/code&gt; was assigned<a name="line.39"></a>
<FONT color="green">040</FONT>       */<a name="line.40"></a>
<FONT color="green">041</FONT>      @Public<a name="line.41"></a>
<FONT color="green">042</FONT>      @Stable<a name="line.42"></a>
<FONT color="green">043</FONT>      public abstract ApplicationAttemptId getApplicationAttemptId();<a name="line.43"></a>
<FONT color="green">044</FONT>      <a name="line.44"></a>
<FONT color="green">045</FONT>      @Private<a name="line.45"></a>
<FONT color="green">046</FONT>      @Unstable<a name="line.46"></a>
<FONT color="green">047</FONT>      public abstract void setApplicationAttemptId(ApplicationAttemptId atId);<a name="line.47"></a>
<FONT color="green">048</FONT>    <a name="line.48"></a>
<FONT color="green">049</FONT>      /**<a name="line.49"></a>
<FONT color="green">050</FONT>       * Get the identifier of the &lt;code&gt;ContainerId&lt;/code&gt;.<a name="line.50"></a>
<FONT color="green">051</FONT>       * @return identifier of the &lt;code&gt;ContainerId&lt;/code&gt;<a name="line.51"></a>
<FONT color="green">052</FONT>       */<a name="line.52"></a>
<FONT color="green">053</FONT>      @Public<a name="line.53"></a>
<FONT color="green">054</FONT>      @Stable<a name="line.54"></a>
<FONT color="green">055</FONT>      public abstract int getId();<a name="line.55"></a>
<FONT color="green">056</FONT>    <a name="line.56"></a>
<FONT color="green">057</FONT>      @Private<a name="line.57"></a>
<FONT color="green">058</FONT>      @Unstable<a name="line.58"></a>
<FONT color="green">059</FONT>      public abstract void setId(int id);<a name="line.59"></a>
<FONT color="green">060</FONT>     <a name="line.60"></a>
<FONT color="green">061</FONT>      <a name="line.61"></a>
<FONT color="green">062</FONT>      // TODO: fail the app submission if attempts are more than 10 or something<a name="line.62"></a>
<FONT color="green">063</FONT>      private static final ThreadLocal&lt;NumberFormat&gt; appAttemptIdFormat =<a name="line.63"></a>
<FONT color="green">064</FONT>          new ThreadLocal&lt;NumberFormat&gt;() {<a name="line.64"></a>
<FONT color="green">065</FONT>            @Override<a name="line.65"></a>
<FONT color="green">066</FONT>            public NumberFormat initialValue() {<a name="line.66"></a>
<FONT color="green">067</FONT>              NumberFormat fmt = NumberFormat.getInstance();<a name="line.67"></a>
<FONT color="green">068</FONT>              fmt.setGroupingUsed(false);<a name="line.68"></a>
<FONT color="green">069</FONT>              fmt.setMinimumIntegerDigits(2);<a name="line.69"></a>
<FONT color="green">070</FONT>              return fmt;<a name="line.70"></a>
<FONT color="green">071</FONT>            }<a name="line.71"></a>
<FONT color="green">072</FONT>          };<a name="line.72"></a>
<FONT color="green">073</FONT>      // TODO: Why thread local?<a name="line.73"></a>
<FONT color="green">074</FONT>      // ^ NumberFormat instances are not threadsafe<a name="line.74"></a>
<FONT color="green">075</FONT>      private static final ThreadLocal&lt;NumberFormat&gt; containerIdFormat =<a name="line.75"></a>
<FONT color="green">076</FONT>          new ThreadLocal&lt;NumberFormat&gt;() {<a name="line.76"></a>
<FONT color="green">077</FONT>            @Override<a name="line.77"></a>
<FONT color="green">078</FONT>            public NumberFormat initialValue() {<a name="line.78"></a>
<FONT color="green">079</FONT>              NumberFormat fmt = NumberFormat.getInstance();<a name="line.79"></a>
<FONT color="green">080</FONT>              fmt.setGroupingUsed(false);<a name="line.80"></a>
<FONT color="green">081</FONT>              fmt.setMinimumIntegerDigits(6);<a name="line.81"></a>
<FONT color="green">082</FONT>              return fmt;<a name="line.82"></a>
<FONT color="green">083</FONT>            }<a name="line.83"></a>
<FONT color="green">084</FONT>          };<a name="line.84"></a>
<FONT color="green">085</FONT>      <a name="line.85"></a>
<FONT color="green">086</FONT>      @Override<a name="line.86"></a>
<FONT color="green">087</FONT>      public int hashCode() {<a name="line.87"></a>
<FONT color="green">088</FONT>        // Generated by eclipse.<a name="line.88"></a>
<FONT color="green">089</FONT>        final int prime = 31;<a name="line.89"></a>
<FONT color="green">090</FONT>        int result = 1;<a name="line.90"></a>
<FONT color="green">091</FONT>        result = prime * result + getId();<a name="line.91"></a>
<FONT color="green">092</FONT>        result = prime * result + getApplicationAttemptId().hashCode();<a name="line.92"></a>
<FONT color="green">093</FONT>        return result;<a name="line.93"></a>
<FONT color="green">094</FONT>      }<a name="line.94"></a>
<FONT color="green">095</FONT>    <a name="line.95"></a>
<FONT color="green">096</FONT>      @Override<a name="line.96"></a>
<FONT color="green">097</FONT>      public boolean equals(Object obj) {<a name="line.97"></a>
<FONT color="green">098</FONT>        if (this == obj)<a name="line.98"></a>
<FONT color="green">099</FONT>          return true;<a name="line.99"></a>
<FONT color="green">100</FONT>        if (obj == null)<a name="line.100"></a>
<FONT color="green">101</FONT>          return false;<a name="line.101"></a>
<FONT color="green">102</FONT>        if (getClass() != obj.getClass())<a name="line.102"></a>
<FONT color="green">103</FONT>          return false;<a name="line.103"></a>
<FONT color="green">104</FONT>        ContainerId other = (ContainerId) obj;<a name="line.104"></a>
<FONT color="green">105</FONT>        if (!this.getApplicationAttemptId().equals(other.getApplicationAttemptId()))<a name="line.105"></a>
<FONT color="green">106</FONT>          return false;<a name="line.106"></a>
<FONT color="green">107</FONT>        if (this.getId() != other.getId())<a name="line.107"></a>
<FONT color="green">108</FONT>          return false;<a name="line.108"></a>
<FONT color="green">109</FONT>        return true;<a name="line.109"></a>
<FONT color="green">110</FONT>      }<a name="line.110"></a>
<FONT color="green">111</FONT>    <a name="line.111"></a>
<FONT color="green">112</FONT>      @Override<a name="line.112"></a>
<FONT color="green">113</FONT>      public int compareTo(ContainerId other) {<a name="line.113"></a>
<FONT color="green">114</FONT>        if (this.getApplicationAttemptId().compareTo(<a name="line.114"></a>
<FONT color="green">115</FONT>            other.getApplicationAttemptId()) == 0) {<a name="line.115"></a>
<FONT color="green">116</FONT>          return this.getId() - other.getId();<a name="line.116"></a>
<FONT color="green">117</FONT>        } else {<a name="line.117"></a>
<FONT color="green">118</FONT>          return this.getApplicationAttemptId().compareTo(<a name="line.118"></a>
<FONT color="green">119</FONT>              other.getApplicationAttemptId());<a name="line.119"></a>
<FONT color="green">120</FONT>        }<a name="line.120"></a>
<FONT color="green">121</FONT>        <a name="line.121"></a>
<FONT color="green">122</FONT>      }<a name="line.122"></a>
<FONT color="green">123</FONT>    <a name="line.123"></a>
<FONT color="green">124</FONT>      @Override<a name="line.124"></a>
<FONT color="green">125</FONT>      public String toString() {<a name="line.125"></a>
<FONT color="green">126</FONT>        StringBuilder sb = new StringBuilder();<a name="line.126"></a>
<FONT color="green">127</FONT>        sb.append("container_");<a name="line.127"></a>
<FONT color="green">128</FONT>        ApplicationId appId = getApplicationAttemptId().getApplicationId();<a name="line.128"></a>
<FONT color="green">129</FONT>        sb.append(appId.getClusterTimestamp()).append("_");<a name="line.129"></a>
<FONT color="green">130</FONT>        sb.append(ApplicationId.appIdFormat.get().format(appId.getId()))<a name="line.130"></a>
<FONT color="green">131</FONT>            .append("_");<a name="line.131"></a>
<FONT color="green">132</FONT>        sb.append(<a name="line.132"></a>
<FONT color="green">133</FONT>            appAttemptIdFormat.get().format(<a name="line.133"></a>
<FONT color="green">134</FONT>                getApplicationAttemptId().getAttemptId())).append("_");<a name="line.134"></a>
<FONT color="green">135</FONT>        sb.append(containerIdFormat.get().format(getId()));<a name="line.135"></a>
<FONT color="green">136</FONT>        return sb.toString();<a name="line.136"></a>
<FONT color="green">137</FONT>      }<a name="line.137"></a>
<FONT color="green">138</FONT>    }<a name="line.138"></a>




























































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