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ManagedMap (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.beans.factory.support
Class ManagedMap

java.lang.Object
  org.springframework.beans.factory.support.ManagedMap

All Implemented Interfaces:

Map, BeanMetadataElement, Mergeable

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public class ManagedMap
extends Object
implements Map, Mergeable, BeanMetadataElement

Tag collection class used to hold managed Map values, which may include runtime bean references (to be resolved into bean objects).

Wraps a target Map, which will be a linked map if possible (that is, if running on JDK 1.4 or if Commons Collections 3.x is available).

Since:

27.05.2003

Author:

Juergen Hoeller, Rob Harrop

See Also:

CollectionFactory.createLinkedMapIfPossible(int)

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Nested Class Summary

 

Nested classes/interfaces inherited from interface java.util.Map
Map.Entry<K,V>

 

Constructor Summary
ManagedMap()
ManagedMap(int initialCapacity)
ManagedMap(Map targetMap)

 

Method Summary
void	clear()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set	entrySet()
boolean	equals(Object obj)
Object	get(Object key)
Object	getSource()           Return the configuration source Object for this metadata element (may be null).
int	hashCode()
boolean	isEmpty()
boolean	isMergeEnabled()           Is merging enabled for this particular instance?
Set	keySet()
Object	merge(Object parent)           Merge the current value set with that of the supplied object.
Object	put(Object key, Object value)
void	putAll(Map t)
Object	remove(Object key)
void	setMergeEnabled(boolean mergeEnabled)           Set whether merging should be enabled for this collection, in case of a 'parent' collection value being present.
void	setSource(Object source)           Set the configuration source Object for this metadata element.
int	size()
String	toString()
Collection	values()

 

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Constructor Detail

ManagedMap

public ManagedMap()

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ManagedMap

public ManagedMap(int initialCapacity)

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ManagedMap

public ManagedMap(Map targetMap)

Method Detail

setSource

public void setSource(Object source)

Set the configuration source Object for this metadata element.

The exact type of the object will depend on the configuration mechanism used.

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getSource

public Object getSource()

Description copied from interface: BeanMetadataElement

Return the configuration source Object for this metadata element (may be null).

Specified by:

getSource in interface BeanMetadataElement

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setMergeEnabled

public void setMergeEnabled(boolean mergeEnabled)

Set whether merging should be enabled for this collection, in case of a 'parent' collection value being present.

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isMergeEnabled

public boolean isMergeEnabled()

Description copied from interface: Mergeable

Is merging enabled for this particular instance?

Specified by:

isMergeEnabled in interface Mergeable

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merge

public Object merge(Object parent)

Description copied from interface: Mergeable

Merge the current value set with that of the supplied object.

The supplied object is considered the parent, and values in the callee's value set must override those of the supplied object.

Specified by:

merge in interface Mergeable

Parameters:

parent - the object to merge with

Returns:

the result of the merge operation

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size

public int size()

Specified by:

size in interface Map

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isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

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containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

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containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map

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get

public Object get(Object key)

Specified by:

get in interface Map

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put

public Object put(Object key,
                  Object value)

Specified by:

put in interface Map

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remove

public Object remove(Object key)

Specified by:

remove in interface Map

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putAll

public void putAll(Map t)

Specified by:

putAll in interface Map

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clear

public void clear()

Specified by:

clear in interface Map

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keySet

public Set keySet()

Specified by:

keySet in interface Map

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values

public Collection values()

Specified by:

values in interface Map

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entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

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hashCode

public int hashCode()

Specified by:

hashCode in interface Map

Overrides:

hashCode in class Object

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equals

public boolean equals(Object obj)

Specified by:

equals in interface Map

Overrides:

equals in class Object

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toString

public String toString()

Overrides:

toString in class Object

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