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## com.sun.javatest
Interface TestResultTable.TreeNode

All Known Implementing Classes:
  TRT_TreeNode

Enclosing class:
  TestResultTable

    public static interface TestResultTable.TreeNode

Interface to a node which contitutes the skeleton of the test result tree. These are in most cases equivalent to directories or folders.

Method Summary
`void` | `addObserver(TestResultTable.TreeNodeObserver obs)` Add a observer for this particular node.
`java.lang.Object` | `getChild(int index)` Get the child at the specified location.
`int` | `getChildCount()` Find out how many children this node contains.
`int[]` | `getChildStatus()` Get the statistics for the state of tests under this node.
`TestResultTable` | `getEnclosingTable()` Find out what TestResultTable this node is part of.
`int` | `getIndex(java.lang.Object target)` Search for a specific item in this node.
`java.lang.String` | `getName()` The name of this node, not including all the ancestors names.
`TestResultTable.TreeNode` | `getParent()` Get the parent of this node.
`int` | `getSize()` Find out how many nodes are contained in this one and below.
`TestResult[]` | `getTestResults()` Get any immediate children of this node which are test result objects.
`TestResultTable.TreeNode[]` | `getTreeNodes()` Get any immediate children of this node which are tree nodes.
`boolean` | `isLeaf(int index)` Is the given element of this node a leaf.
`boolean` | `isRoot()` Is this the root of a tree.
`boolean` | `isUpToDate()` Has the finder been used to scan this node from secondary storage?.
`TestResult` | `matchTest(java.lang.String url)` Finds a TestResult in this node with the given name.
`void` | `removeObserver(TestResultTable.TreeNodeObserver obs)` Add a observer for this particular node.

Method Detail

### addObserver

    void addObserver(TestResultTable.TreeNodeObserver obs)

  Add a observer for this particular node.

  Parameters:
    `obs` - The observer to attach to this node. Should never be null.

### removeObserver

    void removeObserver(TestResultTable.TreeNodeObserver obs)

  Add a observer for this particular node.

  Parameters:
    `obs` - The observer to remove. No effect if it was never attached.

### getSize

    int getSize()

  Find out how many nodes are contained in this one and below. Use with care, this may be a high overhead call.

  Returns:
    The number of tests under this node.

### getParent

    TestResultTable.TreeNode getParent()

  Get the parent of this node.

  Returns:
    Null if this is the root. Another TreeNode otherwise.

### isRoot

    boolean isRoot()

  Is this the root of a tree. A parent of null indicates this state.

  Returns:
    True if this is the root node, false otherwise.

### getEnclosingTable

    TestResultTable getEnclosingTable()

  Find out what TestResultTable this node is part of.

  Returns:
    The TRT instance which this node is contained.

### isUpToDate

    boolean isUpToDate()

  Has the finder been used to scan this node from secondary storage?. This is an important performance consideration, since reading nodes may cause a noticable pause. This method may allow you to defer performance penalties. This method has no effect if a finder is not being used by the TestResultTable.

  Returns:
    True if this location in tree has already been processed, false otherwise.

### getChildCount

    int getChildCount()

  Find out how many children this node contains. If you invoke this on a node which is being lazily read from a TestFinder, this may cause a synchronous retrieval of data from the TestFinder.

  Returns:
    The number of immediate children this node has.

### getChild

    java.lang.Object getChild(int index)

  Get the child at the specified location. May be either a TestResult or TreeNode. If you invoke this on a node which is being lazily read from a TestFinder, this may cause a synchronous retrieval of data from the TestFinder.

  Parameters:
    `index` - The location to retrieve.
  Returns:
    Null if there are no children here or the specified index if out of range.

### getTestResults

    TestResult[] getTestResults()

  Get any immediate children of this node which are test result objects.

  Returns:
    List of TestResult objects in this node. null if none

### getTreeNodes

    TestResultTable.TreeNode[] getTreeNodes()

  Get any immediate children of this node which are tree nodes.

  Returns:
    List of children nodes objects in this node. null if none

### getName

    java.lang.String getName()

  The name of this node, not including all the ancestors names. This does not return a URL to this node from the root.

  Returns:
    Immediate name of this node, not the full name.
  See Also:
    `TestResultTable.getRootRelativePath(com.sun.javatest.TestResultTable.TreeNode)`

### isLeaf

    boolean isLeaf(int index)

  Is the given element of this node a leaf. In general this means that the element is a TestResult. It may also mean that the TreeNode is empty, which indicates a testsuite which is not well designed and needs trimming.

  Parameters:
    `index` - The element index of this node. An out of range index will return false.
  Returns:
    True if the element at the given index is a leaf.

### getChildStatus

    int[] getChildStatus()

  Get the statistics for the state of tests under this node.

  Returns:
    An array of length Status.NUM_STATES, positionally representing the number of tests under this node with that state.

### getIndex

    int getIndex(java.lang.Object target)

  Search for a specific item in this node.

  Parameters:
    `target` - The target object should either be of type TreeNode or TestResult
  Returns:
    The index at which the target object is located in this node. -1 if not found in in this node. -2 if the parameter is null

### matchTest

    TestResult matchTest(java.lang.String url)

  Finds a TestResult in this node with the given name. This is a match against the test URL, not the filename. This is not recursive of course; it just does a straight match against all tests in this node.

  Parameters:
    `url` - The full name of the test to find.
  Returns:
    The matching test result object, or null if not found. Also null if this node has no children.
  See Also:
    `TestDescription.getRootRelativeURL()`

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