<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!-- NewPage --> <html lang="en"> <head> <!-- Generated by javadoc (version 1.7.0_10-ea) on Sun Jul 14 20:03:24 PDT 2013 --> <title>InternCache (Jackson JSON Processor)</title> <meta name="date" content="2013-07-14"> <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style"> </head> <body> <script type="text/javascript"><!-- if (location.href.indexOf('is-external=true') == -1) { parent.document.title="InternCache (Jackson JSON Processor)"; } //--> </script> <noscript> <div>JavaScript is disabled on your browser.</div> </noscript> <!-- ========= START OF TOP NAVBAR ======= --> <div class="topNav"><a name="navbar_top"> <!-- --> </a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow"> <!-- --> </a> <ul class="navList" title="Navigation"> <li><a href="../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="class-use/InternCache.html">Use</a></li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../../index-all.html">Index</a></li> <li><a href="../../../../help-doc.html">Help</a></li> </ul> </div> <div class="subNav"> <ul class="navList"> <li><a href="../../../../org/codehaus/jackson/util/DefaultPrettyPrinter.NopIndenter.html" title="class in org.codehaus.jackson.util"><span class="strong">Prev Class</span></a></li> <li><a href="../../../../org/codehaus/jackson/util/JsonGeneratorDelegate.html" title="class in org.codehaus.jackson.util"><span class="strong">Next Class</span></a></li> </ul> <ul class="navList"> <li><a href="../../../../index.html?org/codehaus/jackson/util/InternCache.html" target="_top">Frames</a></li> <li><a href="InternCache.html" target="_top">No Frames</a></li> </ul> <ul class="navList" id="allclasses_navbar_top"> <li><a href="../../../../allclasses-noframe.html">All Classes</a></li> </ul> <div> <script type="text/javascript"><!-- allClassesLink = document.getElementById("allclasses_navbar_top"); if(window==top) { allClassesLink.style.display = "block"; } else { allClassesLink.style.display = "none"; } //--> </script> </div> <div> <ul class="subNavList"> <li>Summary: </li> <li><a href="#nested_classes_inherited_from_class_java.util.AbstractMap">Nested</a> | </li> <li><a href="#field_summary">Field</a> | </li> <li>Constr | </li> <li><a href="#method_summary">Method</a></li> </ul> <ul class="subNavList"> <li>Detail: </li> <li><a href="#field_detail">Field</a> | </li> <li>Constr | </li> <li><a href="#method_detail">Method</a></li> </ul> </div> <a name="skip-navbar_top"> <!-- --> </a></div> <!-- ========= END OF TOP NAVBAR ========= --> <!-- ======== START OF CLASS DATA ======== --> <div class="header"> <div class="subTitle">org.codehaus.jackson.util</div> <h2 title="Class InternCache" class="title">Class InternCache</h2> </div> <div class="contentContainer"> <ul class="inheritance"> <li><a href="http://docs.oracle.com/javase/6/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="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.html?is-external=true" title="class or interface in java.util">java.util.AbstractMap</a><K,V></li> <li> <ul class="inheritance"> <li><a href="http://docs.oracle.com/javase/6/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">java.util.HashMap</a><K,V></li> <li> <ul class="inheritance"> <li><a href="http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util">java.util.LinkedHashMap</a><<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>,<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>></li> <li> <ul class="inheritance"> <li>org.codehaus.jackson.util.InternCache</li> </ul> </li> </ul> </li> </ul> </li> </ul> </li> </ul> <div class="description"> <ul class="blockList"> <li class="blockList"> <dl> <dt>All Implemented Interfaces:</dt> <dd><a href="http://docs.oracle.com/javase/6/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/lang/Cloneable.html?is-external=true" title="class or interface in java.lang">Cloneable</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<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>,<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>></dd> </dl> <hr> <br> <pre>public final class <span class="strong">InternCache</span> extends <a href="http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util">LinkedHashMap</a><<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>,<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>></pre> <div class="block">Singleton class that adds a simple first-level cache in front of regular String.intern() functionality. This is done as a minor performance optimization, to avoid calling native intern() method in cases where same String is being interned multiple times. <p> Note: that this class extends <a href="http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util"><code>LinkedHashMap</code></a> is an implementation detail -- no code should ever directly call Map methods.</div> <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../serialized-form.html#org.codehaus.jackson.util.InternCache">Serialized Form</a></dd></dl> </li> </ul> </div> <div class="summary"> <ul class="blockList"> <li class="blockList"> <!-- ======== NESTED CLASS SUMMARY ======== --> <ul class="blockList"> <li class="blockList"><a name="nested_class_summary"> <!-- --> </a> <h3>Nested Class Summary</h3> <ul class="blockList"> <li class="blockList"><a name="nested_classes_inherited_from_class_java.util.AbstractMap"> <!-- --> </a> <h3>Nested classes/interfaces inherited from class java.util.<a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.html?is-external=true" title="class or interface in java.util">AbstractMap</a></h3> <code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.SimpleEntry.html?is-external=true" title="class or interface in java.util">AbstractMap.SimpleEntry</a><<a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.SimpleEntry.html?is-external=true" title="class or interface in java.util">K</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.SimpleEntry.html?is-external=true" title="class or interface in java.util">V</a>>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.SimpleImmutableEntry.html?is-external=true" title="class or interface in java.util">AbstractMap.SimpleImmutableEntry</a><<a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.SimpleImmutableEntry.html?is-external=true" title="class or interface in java.util">K</a>,<a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.SimpleImmutableEntry.html?is-external=true" title="class or interface in java.util">V</a>></code></li> </ul> </li> </ul> <!-- =========== FIELD SUMMARY =========== --> <ul class="blockList"> <li class="blockList"><a name="field_summary"> <!-- --> </a> <h3>Field Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> <caption><span>Fields</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Field and Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code>static <a href="../../../../org/codehaus/jackson/util/InternCache.html" title="class in org.codehaus.jackson.util">InternCache</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/codehaus/jackson/util/InternCache.html#instance">instance</a></strong></code> </td> </tr> </table> </li> </ul> <!-- ========== METHOD SUMMARY =========== --> <ul class="blockList"> <li class="blockList"><a name="method_summary"> <!-- --> </a> <h3>Method Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> <caption><span>Methods</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Method and Description</th> </tr> <tr class="altColor"> <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="../../../../org/codehaus/jackson/util/InternCache.html#intern(java.lang.String)">intern</a></strong>(<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> input)</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>protected boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/codehaus/jackson/util/InternCache.html#removeEldestEntry(java.util.Map.Entry)">removeEldestEntry</a></strong>(<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a><<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>,<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>> eldest)</code> </td> </tr> </table> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_java.util.LinkedHashMap"> <!-- --> </a> <h3>Methods inherited from class java.util.<a href="http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util">LinkedHashMap</a></h3> <code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashMap.html?is-external=true#clear()" title="class or interface in java.util">clear</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashMap.html?is-external=true#containsValue(java.lang.Object)" title="class or interface in java.util">containsValue</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashMap.html?is-external=true#get(java.lang.Object)" title="class or interface in java.util">get</a></code></li> </ul> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_java.util.HashMap"> <!-- --> </a> <h3>Methods inherited from class java.util.<a href="http://docs.oracle.com/javase/6/docs/api/java/util/HashMap.html?is-external=true" title="class or interface in java.util">HashMap</a></h3> <code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/HashMap.html?is-external=true#clone()" title="class or interface in java.util">clone</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/HashMap.html?is-external=true#containsKey(java.lang.Object)" title="class or interface in java.util">containsKey</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/HashMap.html?is-external=true#entrySet()" title="class or interface in java.util">entrySet</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/HashMap.html?is-external=true#isEmpty()" title="class or interface in java.util">isEmpty</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/HashMap.html?is-external=true#keySet()" title="class or interface in java.util">keySet</a>, <a 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href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.html?is-external=true" title="class or interface in java.util">AbstractMap</a></h3> <code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.util">equals</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.html?is-external=true#hashCode()" title="class or interface in java.util">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/AbstractMap.html?is-external=true#toString()" title="class or interface in java.util">toString</a></code></li> </ul> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_java.lang.Object"> <!-- --> </a> <h3>Methods inherited from class java.lang.<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></h3> <code><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#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 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href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#hashCode()" title="class or interface in java.util">hashCode</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#isEmpty()" title="class or interface in java.util">isEmpty</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#keySet()" title="class or interface in java.util">keySet</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#put(K, V)" title="class or interface in java.util">put</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#putAll(java.util.Map)" title="class or interface in java.util">putAll</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#remove(java.lang.Object)" title="class or interface in java.util">remove</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#size()" title="class or interface in java.util">size</a>, <a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true#values()" title="class or interface in java.util">values</a></code></li> </ul> </li> </ul> </li> </ul> </div> <div class="details"> <ul class="blockList"> <li class="blockList"> <!-- ============ FIELD DETAIL =========== --> <ul class="blockList"> <li class="blockList"><a name="field_detail"> <!-- --> </a> <h3>Field Detail</h3> <a name="instance"> <!-- --> </a> <ul class="blockListLast"> <li class="blockList"> <h4>instance</h4> <pre>public static final <a href="../../../../org/codehaus/jackson/util/InternCache.html" title="class in org.codehaus.jackson.util">InternCache</a> instance</pre> </li> </ul> </li> </ul> <!-- ============ METHOD DETAIL ========== --> <ul class="blockList"> <li class="blockList"><a name="method_detail"> <!-- --> </a> <h3>Method Detail</h3> <a name="removeEldestEntry(java.util.Map.Entry)"> <!-- --> </a> <ul class="blockList"> <li class="blockList"> <h4>removeEldestEntry</h4> <pre>protected boolean removeEldestEntry(<a href="http://docs.oracle.com/javase/6/docs/api/java/util/Map.Entry.html?is-external=true" title="class or interface in java.util">Map.Entry</a><<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>,<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>> eldest)</pre> <dl> <dt><strong>Overrides:</strong></dt> <dd><code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashMap.html?is-external=true#removeEldestEntry(java.util.Map.Entry)" title="class or interface in java.util">removeEldestEntry</a></code> in class <code><a href="http://docs.oracle.com/javase/6/docs/api/java/util/LinkedHashMap.html?is-external=true" title="class or interface in java.util">LinkedHashMap</a><<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>,<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></dd> </dl> </li> </ul> <a name="intern(java.lang.String)"> <!-- --> </a> <ul class="blockListLast"> <li class="blockList"> <h4>intern</h4> <pre>public <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> intern(<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> input)</pre> </li> </ul> </li> </ul> </li> </ul> </div> </div> <!-- ========= END OF CLASS DATA ========= --> <!-- ======= START OF BOTTOM NAVBAR ====== --> <div class="bottomNav"><a name="navbar_bottom"> <!-- 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