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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.heron.common.basics</a></div> |
| <h2 title="Class NIOLooper" class="title">Class NIOLooper</h2> |
| </div> |
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| <ul class="inheritance"> |
| <li>java.lang.Object</li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="WakeableLooper.html" title="class in org.apache.heron.common.basics">org.apache.heron.common.basics.WakeableLooper</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.heron.common.basics.NIOLooper</li> |
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| <pre>public class <span class="typeNameLabel">NIOLooper</span> |
| extends <a href="WakeableLooper.html" title="class in org.apache.heron.common.basics">WakeableLooper</a></pre> |
| <div class="block">A NIOLooper, implementing WakeableLooper, is a class wrapping a Java NIO selector to dispatch events. |
| It extends WakeableLooper, so it will execute in a while loop unless the exitLoop() is called. |
| And in every execution, in tasksOnWakeup(), it will handle the selected keys. |
| The NIOLooper should start by calling <code>loop()</code></div> |
| </li> |
| </ul> |
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| <tr> |
| <th class="colFirst" scope="col">Constructor</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">NIOLooper</a></span>()</code></th> |
| <td class="colLast"> </td> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#doWait()">doWait</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isAcceptRegistered(java.nio.channels.SelectableChannel)">isAcceptRegistered</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isChannelValid(java.nio.channels.SelectableChannel)">isChannelValid</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isConnectRegistered(java.nio.channels.SelectableChannel)">isConnectRegistered</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isReadRegistered(java.nio.channels.SelectableChannel)">isReadRegistered</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isWriteRegistered(java.nio.channels.SelectableChannel)">isWriteRegistered</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#registerAccept(java.nio.channels.SelectableChannel,org.apache.heron.common.basics.ISelectHandler)">registerAccept</a></span>​(java.nio.channels.SelectableChannel channel, |
| <a href="ISelectHandler.html" title="interface in org.apache.heron.common.basics">ISelectHandler</a> callback)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#registerConnect(java.nio.channels.SelectableChannel,org.apache.heron.common.basics.ISelectHandler)">registerConnect</a></span>​(java.nio.channels.SelectableChannel channel, |
| <a href="ISelectHandler.html" title="interface in org.apache.heron.common.basics">ISelectHandler</a> callback)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#registerRead(java.nio.channels.SelectableChannel,org.apache.heron.common.basics.ISelectHandler)">registerRead</a></span>​(java.nio.channels.SelectableChannel channel, |
| <a href="ISelectHandler.html" title="interface in org.apache.heron.common.basics">ISelectHandler</a> callback)</code></th> |
| <td class="colLast"> |
| <div class="block">Followings are the register, unregister, isRegister for different operations for the selector and channel</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#registerWrite(java.nio.channels.SelectableChannel,org.apache.heron.common.basics.ISelectHandler)">registerWrite</a></span>​(java.nio.channels.SelectableChannel channel, |
| <a href="ISelectHandler.html" title="interface in org.apache.heron.common.basics">ISelectHandler</a> callback)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#removeAllInterest(java.nio.channels.SelectableChannel)">removeAllInterest</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unregisterAccept(java.nio.channels.SelectableChannel)">unregisterAccept</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unregisterConnect(java.nio.channels.SelectableChannel)">unregisterConnect</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unregisterRead(java.nio.channels.SelectableChannel)">unregisterRead</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unregisterWrite(java.nio.channels.SelectableChannel)">unregisterWrite</a></span>​(java.nio.channels.SelectableChannel channel)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#wakeUp()">wakeUp</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
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| <!-- --> |
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| <h3>Methods inherited from class org.apache.heron.common.basics.<a href="WakeableLooper.html" title="class in org.apache.heron.common.basics">WakeableLooper</a></h3> |
| <code><a href="WakeableLooper.html#addTasksOnExit(java.lang.Runnable)">addTasksOnExit</a>, <a href="WakeableLooper.html#addTasksOnWakeup(java.lang.Runnable)">addTasksOnWakeup</a>, <a href="WakeableLooper.html#clear()">clear</a>, <a href="WakeableLooper.html#clearExitTasks()">clearExitTasks</a>, <a href="WakeableLooper.html#clearTasksOnWakeup()">clearTasksOnWakeup</a>, <a href="WakeableLooper.html#clearTimers()">clearTimers</a>, <a href="WakeableLooper.html#exitLoop()">exitLoop</a>, <a href="WakeableLooper.html#getNextTimeoutInterval()">getNextTimeoutInterval</a>, <a href="WakeableLooper.html#loop()">loop</a>, <a href="WakeableLooper.html#registerPeriodicEvent(java.time.Duration,java.lang.Runnable)">registerPeriodicEvent</a>, <a href="WakeableLooper.html#registerTimerEvent(java.time.Duration,java.lang.Runnable)">registerTimerEvent</a></code></li> |
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| <h4>NIOLooper</h4> |
| <pre>public NIOLooper() |
| throws java.io.IOException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.io.IOException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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| <!-- ============ METHOD DETAIL ========== --> |
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| <h4>doWait</h4> |
| <pre class="methodSignature">public void doWait()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="WakeableLooper.html#doWait()">doWait</a></code> in class <code><a href="WakeableLooper.html" title="class in org.apache.heron.common.basics">WakeableLooper</a></code></dd> |
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| <h4>wakeUp</h4> |
| <pre class="methodSignature">public void wakeUp()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="WakeableLooper.html#wakeUp()">wakeUp</a></code> in class <code><a href="WakeableLooper.html" title="class in org.apache.heron.common.basics">WakeableLooper</a></code></dd> |
| </dl> |
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| <pre class="methodSignature">public void removeAllInterest​(java.nio.channels.SelectableChannel channel)</pre> |
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| <h4>isChannelValid</h4> |
| <pre class="methodSignature">public boolean isChannelValid​(java.nio.channels.SelectableChannel channel)</pre> |
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| <pre class="methodSignature">public void registerRead​(java.nio.channels.SelectableChannel channel, |
| <a href="ISelectHandler.html" title="interface in org.apache.heron.common.basics">ISelectHandler</a> callback) |
| throws java.nio.channels.ClosedChannelException</pre> |
| <div class="block">Followings are the register, unregister, isRegister for different operations for the selector and channel</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.nio.channels.ClosedChannelException</code></dd> |
| </dl> |
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| <pre class="methodSignature">public boolean isReadRegistered​(java.nio.channels.SelectableChannel channel)</pre> |
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| <pre class="methodSignature">public void registerConnect​(java.nio.channels.SelectableChannel channel, |
| <a href="ISelectHandler.html" title="interface in org.apache.heron.common.basics">ISelectHandler</a> callback) |
| throws java.nio.channels.ClosedChannelException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.nio.channels.ClosedChannelException</code></dd> |
| </dl> |
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| <pre class="methodSignature">public void unregisterConnect​(java.nio.channels.SelectableChannel channel)</pre> |
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| <pre class="methodSignature">public boolean isConnectRegistered​(java.nio.channels.SelectableChannel channel)</pre> |
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| <pre class="methodSignature">public void registerAccept​(java.nio.channels.SelectableChannel channel, |
| <a href="ISelectHandler.html" title="interface in org.apache.heron.common.basics">ISelectHandler</a> callback) |
| throws java.nio.channels.ClosedChannelException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.nio.channels.ClosedChannelException</code></dd> |
| </dl> |
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| <pre class="methodSignature">public void unregisterAccept​(java.nio.channels.SelectableChannel channel)</pre> |
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| <pre class="methodSignature">public void registerWrite​(java.nio.channels.SelectableChannel channel, |
| <a href="ISelectHandler.html" title="interface in org.apache.heron.common.basics">ISelectHandler</a> callback) |
| throws java.nio.channels.ClosedChannelException</pre> |
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| <dd><code>java.nio.channels.ClosedChannelException</code></dd> |
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| <h4>unregisterWrite</h4> |
| <pre class="methodSignature">public void unregisterWrite​(java.nio.channels.SelectableChannel channel)</pre> |
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| <h4>isWriteRegistered</h4> |
| <pre class="methodSignature">public boolean isWriteRegistered​(java.nio.channels.SelectableChannel channel)</pre> |
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