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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

    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)`

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()

### ManagedMap

    public ManagedMap(int initialCapacity)

### 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.

### 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`

### setMergeEnabled

    public void setMergeEnabled(boolean mergeEnabled)

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

### isMergeEnabled

    public boolean isMergeEnabled()

  Description copied from interface: `Mergeable`
  Is merging enabled for this particular instance?

  Specified by:
    `isMergeEnabled` in interface `Mergeable`

### 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

### size

    public int size()

  Specified by:
    `size` in interface `Map`

### isEmpty

    public boolean isEmpty()

  Specified by:
    `isEmpty` in interface `Map`

### containsKey

    public boolean containsKey(Object key)

  Specified by:
    `containsKey` in interface `Map`

### containsValue

    public boolean containsValue(Object value)

  Specified by:
    `containsValue` in interface `Map`

### get

    public Object get(Object key)

  Specified by:
    `get` in interface `Map`

### put

    public Object put(Object key,
                      Object value)

  Specified by:
    `put` in interface `Map`

### remove

    public Object remove(Object key)

  Specified by:
    `remove` in interface `Map`

### putAll

    public void putAll(Map t)

  Specified by:
    `putAll` in interface `Map`

### clear

    public void clear()

  Specified by:
    `clear` in interface `Map`

### keySet

    public Set keySet()

  Specified by:
    `keySet` in interface `Map`

### values

    public Collection values()

  Specified by:
    `values` in interface `Map`

### entrySet

    public Set entrySet()

  Specified by:
    `entrySet` in interface `Map`

### hashCode

    public int hashCode()

  Specified by:
    `hashCode` in interface `Map`
  Overrides:
    `hashCode` in class `Object`

### equals

    public boolean equals(Object obj)

  Specified by:
    `equals` in interface `Map`
  Overrides:
    `equals` in class `Object`

### toString

    public String toString()

  Overrides:
    `toString` in class `Object`

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