📄 compositeiofuture.html
字号:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="content-type" content="text/html; charset=UTF-8" /><title>CompositeIoFuture xref</title><link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" /></head><body><div id="overview"><a href="../../../../../apidocs/org/apache/mina/common/CompositeIoFuture.html">View Javadoc</a></div><pre><a name="1" href="#1">1</a> <strong class="jxr_keyword">package</strong> org.apache.mina.common;<a name="2" href="#2">2</a> <a name="3" href="#3">3</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.atomic.AtomicInteger;<a name="4" href="#4">4</a> <a name="5" href="#5">5</a> <em class="jxr_javadoccomment">/**</em><a name="6" href="#6">6</a> <em class="jxr_javadoccomment"> * An {@link IoFuture} of {@link IoFuture}s. It is useful when you want to</em><a name="7" href="#7">7</a> <em class="jxr_javadoccomment"> * get notified when all {@link IoFuture}s are complete. It is not recommended</em><a name="8" href="#8">8</a> <em class="jxr_javadoccomment"> * to use {@link CompositeIoFuture} if you just want to wait for all futures.</em><a name="9" href="#9">9</a> <em class="jxr_javadoccomment"> * In that case, please use {@link IoUtil#await(Iterable)} instead</em><a name="10" href="#10">10</a> <em class="jxr_javadoccomment"> * for better performance.</em><a name="11" href="#11">11</a> <em class="jxr_javadoccomment"> * </em><a name="12" href="#12">12</a> <em class="jxr_javadoccomment"> * @author The Apache MINA Project (dev@mina.apache.org)</em><a name="13" href="#13">13</a> <em class="jxr_javadoccomment"> * @version $Rev: 589474 $, $Date: 2007-10-28 21:03:14 -0600 (Sun, 28 Oct 2007) $</em><a name="14" href="#14">14</a> <em class="jxr_javadoccomment"> *</em><a name="15" href="#15">15</a> <em class="jxr_javadoccomment"> * @param <E> the type of the child futures.</em><a name="16" href="#16">16</a> <em class="jxr_javadoccomment"> */</em><a name="17" href="#17">17</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> CompositeIoFuture<E <strong class="jxr_keyword">extends</strong> IoFuture> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/mina/common/DefaultIoFuture.html">DefaultIoFuture</a> {<a name="18" href="#18">18</a> <a name="19" href="#19">19</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/apache/mina/common/CompositeIoFuture.html">NotifyingListener</a> listener = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/mina/common/CompositeIoFuture.html">NotifyingListener</a>();<a name="20" href="#20">20</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> AtomicInteger unnotified = <strong class="jxr_keyword">new</strong> AtomicInteger();<a name="21" href="#21">21</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">volatile</strong> <strong class="jxr_keyword">boolean</strong> constructionFinished;<a name="22" href="#22">22</a> <a name="23" href="#23">23</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/mina/common/CompositeIoFuture.html">CompositeIoFuture</a>(Iterable<E> children) {<a name="24" href="#24">24</a> <strong class="jxr_keyword">super</strong>(<strong class="jxr_keyword">null</strong>);<a name="25" href="#25">25</a> <a name="26" href="#26">26</a> <strong class="jxr_keyword">for</strong> (E f: children) {<a name="27" href="#27">27</a> f.addListener(listener);<a name="28" href="#28">28</a> unnotified.incrementAndGet();<a name="29" href="#29">29</a> }<a name="30" href="#30">30</a> <a name="31" href="#31">31</a> constructionFinished = <strong class="jxr_keyword">true</strong>;<a name="32" href="#32">32</a> <strong class="jxr_keyword">if</strong> (unnotified.get() == 0) {<a name="33" href="#33">33</a> setValue(<strong class="jxr_keyword">true</strong>);<a name="34" href="#34">34</a> }<a name="35" href="#35">35</a> }<a name="36" href="#36">36</a> <a name="37" href="#37">37</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/mina/common/CompositeIoFuture.html">NotifyingListener</a> implements IoFutureListener<IoFuture> {<a name="38" href="#38">38</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> operationComplete(<a href="../../../../org/apache/mina/common/IoFuture.html">IoFuture</a> future) {<a name="39" href="#39">39</a> <strong class="jxr_keyword">if</strong> (unnotified.decrementAndGet() == 0 && constructionFinished) {<a name="40" href="#40">40</a> setValue(<strong class="jxr_keyword">true</strong>);<a name="41" href="#41">41</a> }<a name="42" href="#42">42</a> }<a name="43" href="#43">43</a> }<a name="44" href="#44">44</a> }</pre><hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -