Package org.apache.torque.generator.control.action

## Class TraverseAllAction

- java.lang.Object
- - org.apache.torque.generator.control.action.TraverseAllAction

- All Implemented Interfaces:
    `MergepointAction`

      public class TraverseAllAction
      extends Object
      implements MergepointAction

  Traverses all matching elements, and applies a outlet to each matching element. The output of each outlet is appended to the output.

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `TraverseAllAction​(String elementsToTraverseName, String outletName, Boolean acceptEmpty)` | Constructor.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `boolean` | `equals​(Object obj)` |
    `OutletResult` | `execute​(ControllerState controllerState)` | Traverses all matching elements, and applies an outlet to each matching element.
    `int` | `hashCode()` |
    `String` | `toString()` |

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

      `clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### TraverseAllAction

          public TraverseAllAction​(String elementsToTraverseName,
                                   String outletName,
                                   Boolean acceptEmpty)

      Constructor.
      Parameters:
        `elementsToTraverseName` - the elements to traverse, not null.
        `outletName` - the name of the outlet to be invoked for each element, not null.
        `acceptEmpty` - true if it is correct if no matching elements are found, false to throw an error if no matching elements are found, null means true.

  - ### Method Detail

    - #### execute

          public OutletResult execute​(ControllerState controllerState)
                               throws GeneratorException

      Traverses all matching elements, and applies an outlet to each matching element. The output of each outlet is appended to the output. ${...} Tokens are replaced within outletName and elementsToTraverseName.
      Specified by:
        `execute` in interface `MergepointAction`
      Parameters:
        `controllerState` - The current state of the controller.
      Returns:
        The value to insert into the mergepoint, not null.
      Throws:
        `GeneratorException` - if an error occurs during generation.

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`

    - #### hashCode

          public int hashCode()

      Overrides:
        `hashCode` in class `Object`

    - #### equals

          public boolean equals​(Object obj)

      Overrides:
        `equals` in class `Object`