ProtocolLib/Javadoc/com/comphenix/protocol/concurrency/BlockingHashMap.html
2013-05-14 01:29:12 +02:00

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<div class="subTitle">com.comphenix.protocol.concurrency</div>
<h2 title="Class BlockingHashMap" class="title">Class BlockingHashMap&lt;TKey,TValue&gt;</h2>
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<li>java.lang.Object</li>
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<li>com.comphenix.protocol.concurrency.BlockingHashMap&lt;TKey,TValue&gt;</li>
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<dl><dt><span class="strong">Type Parameters:</span></dt><dd><code>TKey</code> - - type of the key.</dd><dd><code>TValue</code> - - type of the value.</dd></dl>
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<pre>public class <span class="strong">BlockingHashMap&lt;TKey,TValue&gt;</span>
extends java.lang.Object</pre>
<div class="block">A map that supports blocking on read operations. Null keys are not supported.
<p>
Values are stored as weak references, and will be automatically removed once they've all been dereferenced.
<p></div>
<dl><dt><span class="strong">Author:</span></dt>
<dd>Kristian</dd></dl>
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<td class="colOne"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#BlockingHashMap()">BlockingHashMap</a></strong>()</code>
<div class="block">Initialize a new map.</div>
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<td class="colFirst"><code>static &lt;TKey,TValue&gt;&nbsp;<br><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="class in com.comphenix.protocol.concurrency">BlockingHashMap</a>&lt;TKey,TValue&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#create()">create</a></strong>()</code>
<div class="block">Initialize a new map.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#get(TKey)">get</a></strong>(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key)</code>
<div class="block">Waits until a value has been associated with the given key, and then retrieves that value.</div>
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<tr class="altColor">
<td class="colFirst"><code><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#get(TKey, long, java.util.concurrent.TimeUnit)">get</a></strong>(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key,
long&nbsp;timeout,
java.util.concurrent.TimeUnit&nbsp;unit)</code>
<div class="block">Waits until a value has been associated with the given key, and then retrieves that value.</div>
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<td class="colFirst"><code><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#get(TKey, long, java.util.concurrent.TimeUnit, boolean)">get</a></strong>(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key,
long&nbsp;timeout,
java.util.concurrent.TimeUnit&nbsp;unit,
boolean&nbsp;ignoreInterrupted)</code>
<div class="block">Waits until a value has been associated with the given key, and then retrieves that value.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>java.util.Set&lt;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#keys()">keys</a></strong>()</code>&nbsp;</td>
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<td class="colFirst"><code>static &lt;TKey,TValue&gt;&nbsp;<br>com.google.common.cache.CacheLoader&lt;TKey,TValue&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#newInvalidCacheLoader()">newInvalidCacheLoader</a></strong>()</code>
<div class="block">Retrieve a cache loader that will always throw an exception.</div>
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<td class="colFirst"><code><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#put(TKey, TValue)">put</a></strong>(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key,
<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&nbsp;value)</code>
<div class="block">Associate a given key with the given value.</div>
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<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a></code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#putIfAbsent(TKey, TValue)">putIfAbsent</a></strong>(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key,
<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&nbsp;value)</code>
<div class="block">If and only if a key is not present in the map will it be associated with the given value.</div>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#size()">size</a></strong>()</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>java.util.Collection&lt;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html#values()">values</a></strong>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>BlockingHashMap</h4>
<pre>public&nbsp;BlockingHashMap()</pre>
<div class="block">Initialize a new map.</div>
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<pre>public static&nbsp;&lt;TKey,TValue&gt;&nbsp;com.google.common.cache.CacheLoader&lt;TKey,TValue&gt;&nbsp;newInvalidCacheLoader()</pre>
<div class="block">Retrieve a cache loader that will always throw an exception.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>An invalid cache loader.</dd></dl>
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<a name="create()">
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<h4>create</h4>
<pre>public static&nbsp;&lt;TKey,TValue&gt;&nbsp;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="class in com.comphenix.protocol.concurrency">BlockingHashMap</a>&lt;TKey,TValue&gt;&nbsp;create()</pre>
<div class="block">Initialize a new map.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>The created map.</dd></dl>
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<a name="get(java.lang.Object)">
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</a><a name="get(TKey)">
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<h4>get</h4>
<pre>public&nbsp;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&nbsp;get(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key)
throws java.lang.InterruptedException</pre>
<div class="block">Waits until a value has been associated with the given key, and then retrieves that value.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - - the key whose associated value is to be returned</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value to which the specified key is mapped.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.InterruptedException</code> - If the current thread got interrupted while waiting.</dd></dl>
</li>
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<a name="get(java.lang.Object,long,java.util.concurrent.TimeUnit)">
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<h4>get</h4>
<pre>public&nbsp;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&nbsp;get(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key,
long&nbsp;timeout,
java.util.concurrent.TimeUnit&nbsp;unit)
throws java.lang.InterruptedException</pre>
<div class="block">Waits until a value has been associated with the given key, and then retrieves that value.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - - the key whose associated value is to be returned</dd><dd><code>timeout</code> - - the amount of time to wait until an association has been made.</dd><dd><code>unit</code> - - unit of timeout.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value to which the specified key is mapped, or NULL if the timeout elapsed.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.InterruptedException</code> - If the current thread got interrupted while waiting.</dd></dl>
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<h4>get</h4>
<pre>public&nbsp;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&nbsp;get(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key,
long&nbsp;timeout,
java.util.concurrent.TimeUnit&nbsp;unit,
boolean&nbsp;ignoreInterrupted)
throws java.lang.InterruptedException</pre>
<div class="block">Waits until a value has been associated with the given key, and then retrieves that value.
<p>
If timeout is zero, this method will return immediately if it can't find an socket injector.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - - the key whose associated value is to be returned</dd><dd><code>timeout</code> - - the amount of time to wait until an association has been made.</dd><dd><code>unit</code> - - unit of timeout.</dd><dd><code>ignoreInterrupted</code> - - TRUE if we should ignore the thread being interrupted, FALSE otherwise.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The value to which the specified key is mapped, or NULL if the timeout elapsed.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code>java.lang.InterruptedException</code> - If the current thread got interrupted while waiting.</dd></dl>
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<h4>put</h4>
<pre>public&nbsp;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&nbsp;put(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key,
<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&nbsp;value)</pre>
<div class="block">Associate a given key with the given value.
<p>
Wakes up any blocking getters on this specific key.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - - the key to associate.</dd><dd><code>value</code> - - the value.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The previously associated value.</dd></dl>
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<h4>putIfAbsent</h4>
<pre>public&nbsp;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&nbsp;putIfAbsent(<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&nbsp;key,
<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&nbsp;value)</pre>
<div class="block">If and only if a key is not present in the map will it be associated with the given value.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>key</code> - - the key to associate.</dd><dd><code>value</code> - - the value to associate.</dd>
<dt><span class="strong">Returns:</span></dt><dd>The previous value this key has been associated with.</dd></dl>
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<h4>size</h4>
<pre>public&nbsp;int&nbsp;size()</pre>
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<h4>values</h4>
<pre>public&nbsp;java.util.Collection&lt;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TValue</a>&gt;&nbsp;values()</pre>
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<h4>keys</h4>
<pre>public&nbsp;java.util.Set&lt;<a href="../../../../com/comphenix/protocol/concurrency/BlockingHashMap.html" title="type parameter in BlockingHashMap">TKey</a>&gt;&nbsp;keys()</pre>
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