org.codehaus.jackson.util

类 InternCache

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<K,V>

java.util.LinkedHashMap<String,String>

org.codehaus.jackson.util.InternCache

所有已实现的接口:

Serializable, Cloneable, Map<String,String>

public final class InternCache
extends LinkedHashMap<String,String>

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.

Note: that this class extends LinkedHashMap is an implementation detail -- no code should ever directly call Map methods.

另请参阅:

序列化表格

嵌套类概要

从类继承的嵌套类/接口 java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

字段概要

字段

限定符和类型	字段和说明
static InternCache	instance

方法概要

方法

限定符和类型	方法和说明
String	intern(String input)
protected boolean	removeEldestEntry(Map.Entry<String,String> eldest)

从类继承的方法 java.util.LinkedHashMap

clear, containsValue, get

从类继承的方法 java.util.HashMap

clone, containsKey, entrySet, isEmpty, keySet, put, putAll, remove, size, values

从类继承的方法 java.util.AbstractMap

equals, hashCode, toString

从类继承的方法 java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

从接口继承的方法 java.util.Map

containsKey, entrySet, equals, hashCode, isEmpty, keySet, put, putAll, remove, size, values

字段详细资料

instance

public static final InternCache instance

方法详细资料

removeEldestEntry

protected boolean removeEldestEntry(Map.Entry<String,String> eldest)

覆盖:

removeEldestEntry 在类中 LinkedHashMap<String,String>

intern

public String intern(String input)