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## com.mxgraph.layout.hierarchical.model
Class mxGraphHierarchyEdge

    java.lang.Object
      com.mxgraph.layout.hierarchical.model.mxGraphAbstractHierarchyCell
          com.mxgraph.layout.hierarchical.model.mxGraphHierarchyEdge

    public class mxGraphHierarchyEdge

extends mxGraphAbstractHierarchyCell

An abstraction of a hierarchical edge for the hierarchy layout

Field Summary
`List<Object>` | `edges` The graph edge(s) this object represents.
`protected boolean` | `isReversed` Whether or not the direction of this edge has been reversed internally to create a DAG for the hierarchical layout
`mxGraphHierarchyNode` | `source` The node this edge is sourced at
`mxGraphHierarchyNode` | `target` The node this edge targets

Fields inherited from class com.mxgraph.layout.hierarchical.model.mxGraphAbstractHierarchyCell
`height, maxRank, minRank, nextLayerConnectedCells, previousLayerConnectedCells, temp, width, x, y`

Constructor Summary
`mxGraphHierarchyEdge(List<Object> edges)` Constructs a hierarchy edge

Method Summary
`int` | `getGeneralPurposeVariable(int layer)` Gets the value of temp for the specified layer
`List<mxGraphAbstractHierarchyCell>` | `getNextLayerConnectedCells(int layer)` Returns the cells this cell connects to on the next layer up
`List<mxGraphAbstractHierarchyCell>` | `getPreviousLayerConnectedCells(int layer)` Returns the cells this cell connects to on the next layer down
`void` | `invert()` Inverts the direction of this internal edge(s)
`boolean` | `isEdge()`
`boolean` | `isReversed()`
`boolean` | `isVertex()`
`void` | `setGeneralPurposeVariable(int layer, int value)` Set the value of temp for the specified layer
`void` | `setReversed(boolean isReversed)`

Methods inherited from class com.mxgraph.layout.hierarchical.model.mxGraphAbstractHierarchyCell
`getX, setX, setY`

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

Field Detail

### edges

    public List<Object> edges

  The graph edge(s) this object represents. Parallel edges are all grouped together within one hierarchy edge.

### source

    public mxGraphHierarchyNode source

  The node this edge is sourced at

### target

    public mxGraphHierarchyNode target

  The node this edge targets

### isReversed

    protected boolean isReversed

  Whether or not the direction of this edge has been reversed internally to create a DAG for the hierarchical layout

Constructor Detail

### mxGraphHierarchyEdge

    public mxGraphHierarchyEdge(List<Object> edges)

  Constructs a hierarchy edge

  Parameters:
    `edges` - a list of real graph edges this abstraction represents

Method Detail

### invert

    public void invert()

  Inverts the direction of this internal edge(s)

### isReversed

    public boolean isReversed()

  Returns:
    Returns the isReversed.

### setReversed

    public void setReversed(boolean isReversed)

  Parameters:
    `isReversed` - The isReversed to set.

### getNextLayerConnectedCells

    public List<mxGraphAbstractHierarchyCell> getNextLayerConnectedCells(int layer)

  Returns the cells this cell connects to on the next layer up

  Specified by:
    `getNextLayerConnectedCells` in class `mxGraphAbstractHierarchyCell`
  Parameters:
    `layer` - the layer this cell is on
  Returns:
    the cells this cell connects to on the next layer up

### getPreviousLayerConnectedCells

    public List<mxGraphAbstractHierarchyCell> getPreviousLayerConnectedCells(int layer)

  Returns the cells this cell connects to on the next layer down

  Specified by:
    `getPreviousLayerConnectedCells` in class `mxGraphAbstractHierarchyCell`
  Parameters:
    `layer` - the layer this cell is on
  Returns:
    the cells this cell connects to on the next layer down

### isEdge

    public boolean isEdge()

  Specified by:
    `isEdge` in class `mxGraphAbstractHierarchyCell`
  Returns:
    whether or not this cell is an edge

### isVertex

    public boolean isVertex()

  Specified by:
    `isVertex` in class `mxGraphAbstractHierarchyCell`
  Returns:
    whether or not this cell is a node

### getGeneralPurposeVariable

    public int getGeneralPurposeVariable(int layer)

  Gets the value of temp for the specified layer

  Specified by:
    `getGeneralPurposeVariable` in class `mxGraphAbstractHierarchyCell`
  Parameters:
    `layer` - the layer relating to a specific entry into temp
  Returns:
    the value for that layer

### setGeneralPurposeVariable

    public void setGeneralPurposeVariable(int layer,
                                          int value)

  Set the value of temp for the specified layer

  Specified by:
    `setGeneralPurposeVariable` in class `mxGraphAbstractHierarchyCell`
  Parameters:
    `layer` - the layer relating to a specific entry into temp
    `value` - the value for that layer

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Copyright (c) 2010 Gaudenz Alder. All rights reserved.