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| <h2 title="Class CyclicBuffer" class="title">Class CyclicBuffer<T></h2> |
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| <li>org.apache.logging.log4j.core.util.CyclicBuffer<T></li> |
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| <dd><code>T</code> - The type of object stored in the buffer.</dd> |
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| <pre>public final class <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/CyclicBuffer.html#line.26">CyclicBuffer</a><T> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">A bounded buffer containing elements of type T. When the number of elements to be added will exceed the |
| size of the buffer the oldest element will be overwritten. Access to the buffer is thread safe.</div> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html#CyclicBuffer-java.lang.Class-int-">CyclicBuffer</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><<a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a>> clazz, |
| int size)</code> |
| <div class="block">Instantiates a new CyclicBuffer of at most <code>maxSize</code> events.</div> |
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| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html#add-T-">add</a></span>(<a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a> item)</code> |
| <div class="block">Adds an item as the last event in the buffer.</div> |
| </td> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html#isEmpty--">isEmpty</a></span>()</code> |
| <div class="block">Determines if the buffer contains elements.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a>[]</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html#removeAll--">removeAll</a></span>()</code> |
| <div class="block">Removes all the elements from the buffer and returns them.</div> |
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| <h4>CyclicBuffer</h4> |
| <pre>public <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/CyclicBuffer.html#line.39">CyclicBuffer</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</a><<a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a>> clazz, |
| int size) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></pre> |
| <div class="block">Instantiates a new CyclicBuffer of at most <code>maxSize</code> events.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>clazz</code> - The Class associate with the type of object in the buffer.</dd> |
| <dd><code>size</code> - The number of items in the buffer.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html?is-external=true" title="class or interface in java.lang">IllegalArgumentException</a></code> - if the size is negative.</dd> |
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| <h4>add</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/CyclicBuffer.html#line.56">add</a>(<a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a> item)</pre> |
| <div class="block">Adds an item as the last event in the buffer.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>item</code> - The item to add to the buffer.</dd> |
| </dl> |
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| <h4>removeAll</h4> |
| <pre>public <a href="../../../../../../org/apache/logging/log4j/core/util/CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a>[] <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/CyclicBuffer.html#line.75">removeAll</a>()</pre> |
| <div class="block">Removes all the elements from the buffer and returns them.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>An array of the elements in the buffer.</dd> |
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| <pre>public boolean <a href="../../../../../../src-html/org/apache/logging/log4j/core/util/CyclicBuffer.html#line.93">isEmpty</a>()</pre> |
| <div class="block">Determines if the buffer contains elements.</div> |
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| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if the buffer is empty, false otherwise.</dd> |
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