org.apache.struts2.util

## Class MergeIteratorFilter

- java.lang.Object
- - org.apache.struts2.util.IteratorFilterSupport
  - - org.apache.struts2.util.MergeIteratorFilter

- All Implemented Interfaces:
    Action, Iterator

      public class MergeIteratorFilter
      extends IteratorFilterSupport
      implements Iterator, Action

  A bean that takes several iterators and outputs the merge of them. Used by MergeIteratorTag.
  See Also:
    `MergeIteratorTag`, `MergeIterator`

- - ### Nested Class Summary

    - ### Nested classes/interfaces inherited from class org.apache.struts2.util.IteratorFilterSupport

      `IteratorFilterSupport.EnumerationIterator`

  - ### Field Summary

    - ### Fields inherited from interface com.opensymphony.xwork2.Action

      `ERROR, INPUT, LOGIN, NONE, SUCCESS`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `MergeIteratorFilter()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `execute()` Where the logic of the action is executed.
    `boolean` | `hasNext()`
    `Object` | `next()`
    `void` | `remove()`
    `void` | `setSource(Object anIterator)`

    - ### Methods inherited from class org.apache.struts2.util.IteratorFilterSupport

      `getIterator`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### MergeIteratorFilter

          public MergeIteratorFilter()

  - ### Method Detail

    - #### setSource

          public void setSource(Object anIterator)

    - #### execute

          public String execute()

      Description copied from interface: `Action`
      Where the logic of the action is executed.
      Specified by:
        `execute` in interface `Action`
      Returns:
        a string representing the logical result of the execution. See constants in this interface for a list of standard result values.

    - #### hasNext

          public boolean hasNext()

      Specified by:
        `hasNext` in interface `Iterator`

    - #### next

          public Object next()

      Specified by:
        `next` in interface `Iterator`

    - #### remove

          public void remove()

      Specified by:
        `remove` in interface `Iterator`

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