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<div class="subTitle">com.jogamp.common.util.locks</div>
<h2 title="Class SingletonInstance" class="title">Class SingletonInstance</h2>
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<dd><a href="../../../../../com/jogamp/common/util/locks/Lock.html" title="interface in com.jogamp.common.util.locks">Lock</a></dd>
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<pre>public abstract class <span class="strong">SingletonInstance</span>
extends <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>
implements <a href="../../../../../com/jogamp/common/util/locks/Lock.html" title="interface in com.jogamp.common.util.locks">Lock</a></pre>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>protected static boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#DEBUG">DEBUG</a></strong></code> </td>
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<h3>Fields inherited from interface com.jogamp.common.util.locks.<a href="../../../../../com/jogamp/common/util/locks/Lock.html" title="interface in com.jogamp.common.util.locks">Lock</a></h3>
<code><a href="../../../../../com/jogamp/common/util/locks/Lock.html#DEFAULT_TIMEOUT">DEFAULT_TIMEOUT</a>, <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT">TIMEOUT</a>, <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TRACE_LOCK">TRACE_LOCK</a></code></li>
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<td class="colFirst"><code>protected </code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#SingletonInstance(long)">SingletonInstance</a></strong>(long poll_ms)</code> </td>
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<td class="colFirst"><code>static <a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html" title="class in com.jogamp.common.util.locks">SingletonInstance</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#createFileLock(long, java.io.File)">createFileLock</a></strong>(long poll_ms,
<a href="http://docs.oracle.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> lockFile)</code> </td>
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<td class="colFirst"><code>static <a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html" title="class in com.jogamp.common.util.locks">SingletonInstance</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#createFileLock(long, java.lang.String)">createFileLock</a></strong>(long poll_ms,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> lockFileBasename)</code> </td>
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<td class="colFirst"><code>static <a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html" title="class in com.jogamp.common.util.locks">SingletonInstance</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#createServerSocket(long, int)">createServerSocket</a></strong>(long poll_ms,
int portNumber)</code>
<div class="block">A user shall use <b>ephemeral ports</b>:
IANA suggests 49152 to 65535 as "dynamic and/or private ports".
Many GNU/Linux kernels use 32768 to 61000.
FreeBSD >= 4.6 uses the IANA port range.
FreeBSD < 4.6 and BSD use ports 1024 through 4999.
Microsoft Windows operating systems through Server 2003 use the range 1025 to 5000
Windows Vista, Windows 7, and Server 2008 use the IANA range.
</div>
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<tr class="rowColor">
<td class="colFirst"><code>abstract <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#getName()">getName</a></strong>()</code> </td>
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<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#getPollPeriod()">getPollPeriod</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#infoPrefix()">infoPrefix</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#infoPrefix(long)">infoPrefix</a></strong>(long currentMillis)</code> </td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#isLocked()">isLocked</a></strong>()</code>
<div class="block">Query if locked</div>
</td>
</tr>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#lock()">lock</a></strong>()</code>
<div class="block">Blocking until the lock is acquired by this Thread or <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT"><code>Lock.TIMEOUT</code></a> is reached.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#toString()">toString</a></strong>()</code> </td>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#tryLock(long)">tryLock</a></strong>(long maxwait)</code>
<div class="block">Blocking until the lock is acquired by this Thread or <code>maxwait</code> in ms is reached.</div>
</td>
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<td class="colFirst"><code>protected abstract boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#tryLockImpl()">tryLockImpl</a></strong>()</code> </td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#unlock()">unlock</a></strong>()</code>
<div class="block">Release the lock.</div>
</td>
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<td class="colFirst"><code>protected abstract boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html#unlockImpl()">unlockImpl</a></strong>()</code> </td>
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<code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>DEBUG</h4>
<pre>protected static final boolean DEBUG</pre>
<dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../../constant-values.html#com.jogamp.common.util.locks.SingletonInstance.DEBUG">Constant Field Values</a></dd></dl>
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<pre>protected SingletonInstance(long poll_ms)</pre>
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<pre>public static <a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html" title="class in com.jogamp.common.util.locks">SingletonInstance</a> createFileLock(long poll_ms,
<a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> lockFileBasename)</pre>
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<pre>public static <a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html" title="class in com.jogamp.common.util.locks">SingletonInstance</a> createFileLock(long poll_ms,
<a href="http://docs.oracle.com/javase/6/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> lockFile)</pre>
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<pre>public static <a href="../../../../../com/jogamp/common/util/locks/SingletonInstance.html" title="class in com.jogamp.common.util.locks">SingletonInstance</a> createServerSocket(long poll_ms,
int portNumber)</pre>
<div class="block">A user shall use <b>ephemeral ports</b>:
<ul>
<li>IANA suggests 49152 to 65535 as "dynamic and/or private ports".</li>
<li>Many GNU/Linux kernels use 32768 to 61000.</li>
<li>FreeBSD >= 4.6 uses the IANA port range.</li>
<li>FreeBSD < 4.6 and BSD use ports 1024 through 4999.</li>
<li>Microsoft Windows operating systems through Server 2003 use the range 1025 to 5000</li>
<li>Windows Vista, Windows 7, and Server 2008 use the IANA range.</li>
</ul></div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>pollPeriod</code> - </dd><dd><code>portNumber</code> - to be used for this single instance server socket.</dd></dl>
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<pre>public final long getPollPeriod()</pre>
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<h4>getName</h4>
<pre>public abstract <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getName()</pre>
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<pre>public final <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre>
<dl>
<dt><strong>Overrides:</strong></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a></code> in class <code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd>
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<h4>lock</h4>
<pre>public void lock()
throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../../com/jogamp/common/util/locks/Lock.html#lock()">Lock</a></code></strong></div>
<div class="block">Blocking until the lock is acquired by this Thread or <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT"><code>Lock.TIMEOUT</code></a> is reached.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../com/jogamp/common/util/locks/Lock.html#lock()">lock</a></code> in interface <code><a href="../../../../../com/jogamp/common/util/locks/Lock.html" title="interface in com.jogamp.common.util.locks">Lock</a></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></code> - in case of <a href="../../../../../com/jogamp/common/util/locks/Lock.html#TIMEOUT"><code>Lock.TIMEOUT</code></a></dd></dl>
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<pre>public boolean tryLock(long maxwait)
throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../../com/jogamp/common/util/locks/Lock.html#tryLock(long)">Lock</a></code></strong></div>
<div class="block">Blocking until the lock is acquired by this Thread or <code>maxwait</code> in ms is reached.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../com/jogamp/common/util/locks/Lock.html#tryLock(long)">tryLock</a></code> in interface <code><a href="../../../../../com/jogamp/common/util/locks/Lock.html" title="interface in com.jogamp.common.util.locks">Lock</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>maxwait</code> - Maximum time in ms to wait to acquire the lock. If this value is zero,
the call returns immediately either without being able
to acquire the lock, or with acquiring the lock directly while ignoring any scheduling order.</dd>
<dt><span class="strong">Returns:</span></dt><dd>true if the lock has been acquired within <code>maxwait</code>, otherwise false</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></code></dd></dl>
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<h4>tryLockImpl</h4>
<pre>protected abstract boolean tryLockImpl()</pre>
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<h4>unlock</h4>
<pre>public void unlock()
throws <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../../com/jogamp/common/util/locks/Lock.html#unlock()">Lock</a></code></strong></div>
<div class="block">Release the lock.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../com/jogamp/common/util/locks/Lock.html#unlock()">unlock</a></code> in interface <code><a href="../../../../../com/jogamp/common/util/locks/Lock.html" title="interface in com.jogamp.common.util.locks">Lock</a></code></dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimeException.html?is-external=true" title="class or interface in java.lang">RuntimeException</a></code> - in case the lock is not acquired by this thread.</dd></dl>
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<h4>unlockImpl</h4>
<pre>protected abstract boolean unlockImpl()</pre>
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<h4>isLocked</h4>
<pre>public boolean isLocked()</pre>
<div class="block"><strong>Description copied from interface: <code><a href="../../../../../com/jogamp/common/util/locks/Lock.html#isLocked()">Lock</a></code></strong></div>
<div class="block">Query if locked</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../../com/jogamp/common/util/locks/Lock.html#isLocked()">isLocked</a></code> in interface <code><a href="../../../../../com/jogamp/common/util/locks/Lock.html" title="interface in com.jogamp.common.util.locks">Lock</a></code></dd>
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<h4>infoPrefix</h4>
<pre>protected <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> infoPrefix(long currentMillis)</pre>
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<h4>infoPrefix</h4>
<pre>protected <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> infoPrefix()</pre>
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