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| <li>Summary: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.logging.log4j.core.util</a></div> |
| <h1 title="Class CyclicBuffer" class="title">Class CyclicBuffer<T></h1> |
| </div> |
| <div class="inheritance" title="Inheritance Tree"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">java.lang.Object</a> |
| <div class="inheritance">org.apache.logging.log4j.core.util.CyclicBuffer<T></div> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>Type Parameters:</dt> |
| <dd><code>T</code> - The type of object stored in the buffer.</dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public final class </span><span class="element-name type-name-label">CyclicBuffer<T></span> |
| <span class="extends-implements">extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></span></div> |
| <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> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <li> |
| <section class="constructor-summary" id="constructor-summary"> |
| <h2>Constructor Summary</h2> |
| <div class="caption"><span>Constructors</span></div> |
| <div class="summary-table two-column-summary"> |
| <div class="table-header col-first">Constructor</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-constructor-name even-row-color"><code><a href="#%3Cinit%3E(java.lang.Class,int)" class="member-name-link">CyclicBuffer</a><wbr>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><<a href="CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a>> clazz, |
| int size)</code></div> |
| <div class="col-last even-row-color"> |
| <div class="block">Instantiates a new CyclicBuffer of at most <code>maxSize</code> events.</div> |
| </div> |
| </div> |
| </section> |
| </li> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
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| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#add(T)" class="member-name-link">add</a><wbr>(<a href="CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a> item)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Adds an item as the last event in the buffer.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#isEmpty()" class="member-name-link">isEmpty</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Determines if the buffer contains elements.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a>[]</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"><code><a href="#removeAll()" class="member-name-link">removeAll</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab4"> |
| <div class="block">Removes all the elements from the buffer and returns them.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="inherited-list"> |
| <h3 id="methods-inherited-from-class-java.lang.Object">Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone--" title="class or interface in java.lang" class="external-link">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-" title="class or interface in java.lang" class="external-link">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#finalize--" title="class or interface in java.lang" class="external-link">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--" title="class or interface in java.lang" class="external-link">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--" title="class or interface in java.lang" class="external-link">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--" title="class or interface in java.lang" class="external-link">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--" title="class or interface in java.lang" class="external-link">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString--" title="class or interface in java.lang" class="external-link">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-" title="class or interface in java.lang" class="external-link">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-" title="class or interface in java.lang" class="external-link">wait</a></code></div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
| <li> |
| <section class="constructor-details" id="constructor-detail"> |
| <h2>Constructor Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="<init>(java.lang.Class,int)"> |
| <h3>CyclicBuffer</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="element-name">CyclicBuffer</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Class.html" title="class or interface in java.lang" class="external-link">Class</a><<a href="CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a>> clazz, |
| int size)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></span></div> |
| <div class="block">Instantiates a new CyclicBuffer of at most <code>maxSize</code> events.</div> |
| <dl class="notes"> |
| <dt>Parameters:</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>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang" class="external-link">IllegalArgumentException</a></code> - if the size is negative.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="add(T)"> |
| <h3 id="add(java.lang.Object)">add</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">void</span> <span class="element-name">add</span><wbr><span class="parameters">(<a href="CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a> item)</span></div> |
| <div class="block">Adds an item as the last event in the buffer.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>item</code> - The item to add to the buffer.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="removeAll()"> |
| <h3>removeAll</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type"><a href="CyclicBuffer.html" title="type parameter in CyclicBuffer">T</a>[]</span> <span class="element-name">removeAll</span>()</div> |
| <div class="block">Removes all the elements from the buffer and returns them.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>An array of the elements in the buffer.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isEmpty()"> |
| <h3>isEmpty</h3> |
| <div class="member-signature"><span class="modifiers">public</span> <span class="return-type">boolean</span> <span class="element-name">isEmpty</span>()</div> |
| <div class="block">Determines if the buffer contains elements.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>true if the buffer is empty, false otherwise.</dd> |
| </dl> |
| </section> |
| </li> |
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