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## org.springframework.beans.factory.support
Class ManagedList

    java.lang.Object
      java.util.AbstractCollection<E>
          java.util.AbstractList<E>
              java.util.ArrayList
                  org.springframework.beans.factory.support.ManagedList

All Implemented Interfaces:
  Serializable, Cloneable, Iterable, Collection, List, RandomAccess, BeanMetadataElement, Mergeable

    public class ManagedList

extends ArrayList
implements Mergeable, BeanMetadataElement

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

Since:
  27.05.2003
Author:
  Rod Johnson, Rob Harrop, Juergen Hoeller
See Also:
  Serialized Form

Field Summary

Fields inherited from class java.util.AbstractList
`modCount`

Constructor Summary
`ManagedList()`
`ManagedList(int initialCapacity)`

Method Summary
`Object` | `getSource()` Return the configuration source `Object` for this metadata element (may be `null`).
`boolean` | `isMergeEnabled()` Is merging enabled for this particular instance?
`Object` | `merge(Object parent)` Merge the current value set with that of the supplied object.
`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.

Methods inherited from class java.util.ArrayList
`add, add, addAll, addAll, clear, clone, contains, ensureCapacity, get, indexOf, isEmpty, lastIndexOf, remove, remove, removeRange, set, size, toArray, toArray, trimToSize`

Methods inherited from class java.util.AbstractList
`equals, hashCode, iterator, listIterator, listIterator, subList`

Methods inherited from class java.util.AbstractCollection
`containsAll, removeAll, retainAll, toString`

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

Methods inherited from interface java.util.List
`containsAll, equals, hashCode, iterator, listIterator, listIterator, removeAll, retainAll, subList`

Constructor Detail

### ManagedList

    public ManagedList()

### ManagedList

    public ManagedList(int initialCapacity)

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

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