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## org.apache.jmeter.engine
Class TurnElementsOn

    java.lang.Object
      org.apache.jmeter.engine.TurnElementsOn

All Implemented Interfaces:
  HashTreeTraverser

    public class TurnElementsOn

extends Object
implements HashTreeTraverser

Constructor Summary
`TurnElementsOn()`

Method Summary
`void` | `addNode(Object node, HashTree subTree)` The tree traverses itself depth-first, calling addNode for each object it encounters as it goes.
`void` | `processPath()` Process path is called when a leaf is reached.
`void` | `subtractNode()` Indicates traversal has moved up a step, and the visitor should remove the top node from its stack structure.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### TurnElementsOn

    public TurnElementsOn()

Method Detail

### addNode

    public void addNode(Object node,
                        HashTree subTree)

  The tree traverses itself depth-first, calling addNode for each object it encounters as it goes. This is a callback method, and should not be called except by a HashTree during traversal.

  Specified by:
    `addNode` in interface `HashTreeTraverser`
  Parameters:
    `node` - the node currently encountered
    `subTree` - the HashTree under the node encountered

### subtractNode

    public void subtractNode()

  Indicates traversal has moved up a step, and the visitor should remove the top node from its stack structure. This is a callback method, and should not be called except by a HashTree during traversal.

  Specified by:
    `subtractNode` in interface `HashTreeTraverser`

### processPath

    public void processPath()

  Process path is called when a leaf is reached. If a visitor wishes to generate Lists of path elements to each leaf, it should keep a Stack data structure of nodes passed to it with addNode, and removing top items for every `HashTreeTraverser.subtractNode()` call. This is a callback method, and should not be called except by a HashTree during traversal.

  Specified by:
    `processPath` in interface `HashTreeTraverser`

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