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| <div class="subTitle">org.apache.logging.log4j.core.appender</div> |
| <h2 title="Class MemoryMappedFileManager" class="title">Class MemoryMappedFileManager</h2> |
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| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">org.apache.logging.log4j.core.appender.AbstractManager</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">org.apache.logging.log4j.core.appender.OutputStreamManager</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.logging.log4j.core.appender.MemoryMappedFileManager</li> |
| </ul> |
| </li> |
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| <pre>public class <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.59">MemoryMappedFileManager</a> |
| extends <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">OutputStreamManager</a></pre> |
| <div class="block">Extends OutputStreamManager but instead of using a buffered output stream, this class maps a region of a file into |
| memory and writes to this memory region. |
| <p></div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.1</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="http://www.codeproject.com/Tips/683614/Things-to-Know-about-Memory-Mapped-File-in-Java"> |
| http://www.codeproject.com/Tips/683614/Things-to-Know-about-Memory-Mapped-File-in-Java</a>, |
| <a href="http://bugs.java.com/view_bug.do?bug_id=6893654">http://bugs.java.com/view_bug.do?bug_id=6893654</a>, |
| <a href="http://bugs.java.com/view_bug.do?bug_id=4724038">http://bugs.java.com/view_bug.do?bug_id=4724038</a>, |
| <a |
| href="http://stackoverflow.com/questions/9261316/memory-mapped-mappedbytebuffer-or-direct-bytebuffer-for-db-implementation"> |
| http://stackoverflow.com/questions/9261316/memory-mapped-mappedbytebuffer-or-direct-bytebuffer-for-db-implementation</a></dd> |
| </dl> |
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| <h3>Field Summary</h3> |
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| <li class="blockList"><a name="fields.inherited.from.class.org.apache.logging.log4j.core.appender.OutputStreamManager"> |
| <!-- --> |
| </a> |
| <h3>Fields inherited from class org.apache.logging.log4j.core.appender.<a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">OutputStreamManager</a></h3> |
| <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#byteBuffer">byteBuffer</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#layout">layout</a></code></li> |
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| <code><a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#count">count</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#LOGGER">LOGGER</a></code></li> |
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| <!-- ======== CONSTRUCTOR SUMMARY ======== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="constructor.summary"> |
| <!-- --> |
| </a> |
| <h3>Constructor Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> |
| <caption><span>Constructors</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier</th> |
| <th class="colLast" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#MemoryMappedFileManager-java.io.RandomAccessFile-java.lang.String-java.io.OutputStream-boolean-long-int-java.lang.String-org.apache.logging.log4j.core.Layout-boolean-">MemoryMappedFileManager</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/RandomAccessFile.html?is-external=true" title="class or interface in java.io">RandomAccessFile</a> file, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fileName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> os, |
| boolean immediateFlush, |
| long position, |
| int regionLength, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> advertiseURI, |
| <a href="../../../../../../org/apache/logging/log4j/core/Layout.html" title="interface in org.apache.logging.log4j.core">Layout</a><? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>> layout, |
| boolean writeHeader)</code> </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| <!-- ========== METHOD SUMMARY =========== --> |
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| <li class="blockList"><a name="method.summary"> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#closeOutputStream--">closeOutputStream</a></span>()</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#drain-java.nio.ByteBuffer-">drain</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> buf)</code> |
| <div class="block">Drains the ByteBufferDestination's buffer into the destination.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#flush--">flush</a></span>()</code> |
| <div class="block">Flushes any buffers.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#flushBuffer-java.nio.ByteBuffer-">flushBuffer</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> buffer)</code> |
| <div class="block">Drains the ByteBufferDestination's buffer into the destination.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#getByteBuffer--">getByteBuffer</a></span>()</code> |
| <div class="block">Returns this <code>ByteBufferDestination</code>'s buffer.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#getContentFormat--">getContentFormat</a></span>()</code> |
| <div class="block">Gets this FileManager's content format specified by:</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html" title="class in org.apache.logging.log4j.core.appender">MemoryMappedFileManager</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#getFileManager-java.lang.String-boolean-boolean-int-java.lang.String-org.apache.logging.log4j.core.Layout-">getFileManager</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fileName, |
| boolean append, |
| boolean immediateFlush, |
| int regionLength, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> advertiseURI, |
| <a href="../../../../../../org/apache/logging/log4j/core/Layout.html" title="interface in org.apache.logging.log4j.core">Layout</a><? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>> layout)</code> |
| <div class="block">Returns the MemoryMappedFileManager.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#getFileName--">getFileName</a></span>()</code> |
| <div class="block">Returns the name of the File being managed.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#getRegionLength--">getRegionLength</a></span>()</code> |
| <div class="block">Returns the length of the memory mapped region.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#isEndOfBatch--">isEndOfBatch</a></span>()</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#isImmediateFlush--">isImmediateFlush</a></span>()</code> |
| <div class="block">Returns <code>true</code> if the content of the buffer should be forced to the storage device on every write, |
| <code>false</code> otherwise.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/MappedByteBuffer.html?is-external=true" title="class or interface in java.nio">MappedByteBuffer</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#mmap-java.nio.channels.FileChannel-java.lang.String-long-int-">mmap</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/channels/FileChannel.html?is-external=true" title="class or interface in java.nio.channels">FileChannel</a> fileChannel, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fileName, |
| long start, |
| int size)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#setEndOfBatch-boolean-">setEndOfBatch</a></span>(boolean endOfBatch)</code> </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>protected void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#write-byte:A-int-int-boolean-">write</a></span>(byte[] bytes, |
| int offset, |
| int length, |
| boolean immediateFlush)</code> |
| <div class="block">Some output streams synchronize writes while others do not.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.logging.log4j.core.appender.OutputStreamManager"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.logging.log4j.core.appender.<a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">OutputStreamManager</a></h3> |
| <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#createOutputStream--">createOutputStream</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#flushDestination--">flushDestination</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#getManager-java.lang.String-T-org.apache.logging.log4j.core.appender.ManagerFactory-">getManager</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#getOutputStream--">getOutputStream</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#hasOutputStream--">hasOutputStream</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#isOpen--">isOpen</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#releaseSub-long-java.util.concurrent.TimeUnit-">releaseSub</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#setOutputStream-java.io.OutputStream-">setOutputStream</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#skipFooter-boolean-">skipFooter</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#write-byte:A-">write</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#write-byte:A-boolean-">write</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#write-byte:A-int-int-">write</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#writeBytes-byte:A-int-int-">writeBytes</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#writeBytes-java.nio.ByteBuffer-">writeBytes</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#writeFooter--">writeFooter</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#writeHeader-java.io.OutputStream-">writeHeader</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#writeToDestination-byte:A-int-int-">writeToDestination</a></code></li> |
| </ul> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.org.apache.logging.log4j.core.appender.AbstractManager"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class org.apache.logging.log4j.core.appender.<a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></h3> |
| <code><a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#close--">close</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#getCount--">getCount</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#getLoggerContext--">getLoggerContext</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#getName--">getName</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#hasManager-java.lang.String-">hasManager</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#log-org.apache.logging.log4j.Level-java.lang.String-java.lang.Throwable-">log</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#logDebug-java.lang.String-java.lang.Throwable-">logDebug</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#logError-java.lang.String-java.lang.Throwable-">logError</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#logger--">logger</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#logWarn-java.lang.String-java.lang.Throwable-">logWarn</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#narrow-java.lang.Class-org.apache.logging.log4j.core.appender.AbstractManager-">narrow</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#release--">release</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#stop-long-java.util.concurrent.TimeUnit-">stop</a>, <a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#updateData-java.lang.Object-">updateData</a></code></li> |
| </ul> |
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| <h3>Methods inherited from class java.lang.<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></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
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| </ul> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="MemoryMappedFileManager-java.io.RandomAccessFile-java.lang.String-java.io.OutputStream-boolean-long-int-java.lang.String-org.apache.logging.log4j.core.Layout-boolean-"> |
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| <h4>MemoryMappedFileManager</h4> |
| <pre>protected <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.76">MemoryMappedFileManager</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/RandomAccessFile.html?is-external=true" title="class or interface in java.io">RandomAccessFile</a> file, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fileName, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a> os, |
| boolean immediateFlush, |
| long position, |
| int regionLength, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> advertiseURI, |
| <a href="../../../../../../org/apache/logging/log4j/core/Layout.html" title="interface in org.apache.logging.log4j.core">Layout</a><? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>> layout, |
| boolean writeHeader) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <h3>Method Detail</h3> |
| <a name="getFileManager-java.lang.String-boolean-boolean-int-java.lang.String-org.apache.logging.log4j.core.Layout-"> |
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| <h4>getFileManager</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html" title="class in org.apache.logging.log4j.core.appender">MemoryMappedFileManager</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.101">getFileManager</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fileName, |
| boolean append, |
| boolean immediateFlush, |
| int regionLength, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> advertiseURI, |
| <a href="../../../../../../org/apache/logging/log4j/core/Layout.html" title="interface in org.apache.logging.log4j.core">Layout</a><? extends <a href="https://docs.oracle.com/javase/8/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>> layout)</pre> |
| <div class="block">Returns the MemoryMappedFileManager.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fileName</code> - The name of the file to manage.</dd> |
| <dd><code>append</code> - true if the file should be appended to, false if it should be overwritten.</dd> |
| <dd><code>immediateFlush</code> - true if the contents should be flushed to disk on every write</dd> |
| <dd><code>regionLength</code> - The mapped region length.</dd> |
| <dd><code>advertiseURI</code> - the URI to use when advertising the file</dd> |
| <dd><code>layout</code> - The layout.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>A MemoryMappedFileManager for the File.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isEndOfBatch--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isEndOfBatch</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Boolean.html?is-external=true" title="class or interface in java.lang">Boolean</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.108">isEndOfBatch</a>()</pre> |
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| <h4>setEndOfBatch</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.112">setEndOfBatch</a>(boolean endOfBatch)</pre> |
| </li> |
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| <a name="write-byte:A-int-int-boolean-"> |
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| <h4>write</h4> |
| <pre>protected void <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.117">write</a>(byte[] bytes, |
| int offset, |
| int length, |
| boolean immediateFlush)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#write-byte:A-int-int-boolean-">OutputStreamManager</a></code></span></div> |
| <div class="block">Some output streams synchronize writes while others do not. Synchronizing here insures that |
| log events won't be intertwined.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#write-byte:A-int-int-boolean-">write</a></code> in class <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">OutputStreamManager</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>bytes</code> - The serialized Log event.</dd> |
| <dd><code>offset</code> - The offset into the byte array.</dd> |
| <dd><code>length</code> - The number of bytes to write.</dd> |
| <dd><code>immediateFlush</code> - flushes immediately after writing.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="flush--"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>flush</h4> |
| <pre>public void <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.155">flush</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#flush--">OutputStreamManager</a></code></span></div> |
| <div class="block">Flushes any buffers.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#flush--">flush</a></code> in class <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">OutputStreamManager</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="closeOutputStream--"> |
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| <h4>closeOutputStream</h4> |
| <pre>public boolean <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.160">closeOutputStream</a>()</pre> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#closeOutputStream--">closeOutputStream</a></code> in class <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">OutputStreamManager</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="mmap-java.nio.channels.FileChannel-java.lang.String-long-int-"> |
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| <h4>mmap</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/MappedByteBuffer.html?is-external=true" title="class or interface in java.nio">MappedByteBuffer</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.180">mmap</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/channels/FileChannel.html?is-external=true" title="class or interface in java.nio.channels">FileChannel</a> fileChannel, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fileName, |
| long start, |
| int size) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getFileName--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getFileName</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.236">getFileName</a>()</pre> |
| <div class="block">Returns the name of the File being managed.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The name of the File being managed.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getRegionLength--"> |
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| <ul class="blockList"> |
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| <h4>getRegionLength</h4> |
| <pre>public int <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.245">getRegionLength</a>()</pre> |
| <div class="block">Returns the length of the memory mapped region.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the length of the mapped region</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isImmediateFlush--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isImmediateFlush</h4> |
| <pre>public boolean <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.255">isImmediateFlush</a>()</pre> |
| <div class="block">Returns <code>true</code> if the content of the buffer should be forced to the storage device on every write, |
| <code>false</code> otherwise.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>whether each write should be force-sync'ed</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getContentFormat--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getContentFormat</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.268">getContentFormat</a>()</pre> |
| <div class="block">Gets this FileManager's content format specified by: |
| <p> |
| Key: "fileURI" Value: provided "advertiseURI" param. |
| </p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html#getContentFormat--">getContentFormat</a></code> in class <code><a href="../../../../../../org/apache/logging/log4j/core/appender/AbstractManager.html" title="class in org.apache.logging.log4j.core.appender">AbstractManager</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Map of content format keys supporting FileManager</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="flushBuffer-java.nio.ByteBuffer-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>flushBuffer</h4> |
| <pre>protected void <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.275">flushBuffer</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> buffer)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#flushBuffer-java.nio.ByteBuffer-">OutputStreamManager</a></code></span></div> |
| <div class="block">Drains the ByteBufferDestination's buffer into the destination. By default this calls |
| <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#write-byte:A-int-int-boolean-"><code>OutputStreamManager.write(byte[], int, int, boolean)</code></a> with the buffer contents. |
| The underlying stream is not <a href="https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html?is-external=true#flush--" title="class or interface in java.io">flushed</a>.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#flushBuffer-java.nio.ByteBuffer-">flushBuffer</a></code> in class <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">OutputStreamManager</a></code></dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#flushDestination--"><code>OutputStreamManager.flushDestination()</code></a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getByteBuffer--"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getByteBuffer</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.280">getByteBuffer</a>()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#getByteBuffer--">OutputStreamManager</a></code></span></div> |
| <div class="block">Returns this <code>ByteBufferDestination</code>'s buffer.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/logging/log4j/core/layout/ByteBufferDestination.html#getByteBuffer--">getByteBuffer</a></code> in interface <code><a href="../../../../../../org/apache/logging/log4j/core/layout/ByteBufferDestination.html" title="interface in org.apache.logging.log4j.core.layout">ByteBufferDestination</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#getByteBuffer--">getByteBuffer</a></code> in class <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">OutputStreamManager</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the buffer</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="drain-java.nio.ByteBuffer-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>drain</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#line.285">drain</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/nio/ByteBuffer.html?is-external=true" title="class or interface in java.nio">ByteBuffer</a> buf)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#drain-java.nio.ByteBuffer-">OutputStreamManager</a></code></span></div> |
| <div class="block">Drains the ByteBufferDestination's buffer into the destination. By default this calls |
| <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#flushBuffer-java.nio.ByteBuffer-"><code>OutputStreamManager.flushBuffer(ByteBuffer)</code></a> with the specified buffer. Subclasses may override. |
| <p> |
| Do not call this method lightly! For some subclasses this is a very expensive operation. For example, |
| <a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html" title="class in org.apache.logging.log4j.core.appender"><code>MemoryMappedFileManager</code></a> will assume this method was called because the end of the mapped region |
| was reached during a text encoding operation and will <a href="../../../../../../org/apache/logging/log4j/core/appender/MemoryMappedFileManager.html#remap--">remap</a> its |
| buffer. |
| </p><p> |
| To just flush the buffered contents to the underlying stream, call |
| <a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#flushBuffer-java.nio.ByteBuffer-"><code>OutputStreamManager.flushBuffer(ByteBuffer)</code></a> directly instead. |
| </p></div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/logging/log4j/core/layout/ByteBufferDestination.html#drain-java.nio.ByteBuffer-">drain</a></code> in interface <code><a href="../../../../../../org/apache/logging/log4j/core/layout/ByteBufferDestination.html" title="interface in org.apache.logging.log4j.core.layout">ByteBufferDestination</a></code></dd> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html#drain-java.nio.ByteBuffer-">drain</a></code> in class <code><a href="../../../../../../org/apache/logging/log4j/core/appender/OutputStreamManager.html" title="class in org.apache.logging.log4j.core.appender">OutputStreamManager</a></code></dd> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>buf</code> - the buffer whose contents to write the the destination</dd> |
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