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

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

Direct Known Subclasses:
  mxGraphHierarchyEdge, mxGraphHierarchyNode

    public abstract class mxGraphAbstractHierarchyCell

extends Object

An abstraction of an internal hierarchy node or edge

Field Summary
`double` | `height` The height of this cell
`int` | `maxRank` The maximum rank this cell occupies
`int` | `minRank` The minimum rank this cell occupies
`protected List<mxGraphAbstractHierarchyCell>[]` | `nextLayerConnectedCells` A cached version of the cells this cell connects to on the next layer up
`protected List<mxGraphAbstractHierarchyCell>[]` | `previousLayerConnectedCells` A cached version of the cells this cell connects to on the next layer down
`int[]` | `temp` Temporary variable for general use.
`double` | `width` The width of this cell
`double[]` | `x` The x position of this cell for each layer it occupies
`double[]` | `y` The y position of this cell for each layer it occupies

Constructor Summary
`mxGraphAbstractHierarchyCell()`

Method Summary
`abstract int` | `getGeneralPurposeVariable(int layer)` Gets the value of temp for the specified layer
`abstract List<mxGraphAbstractHierarchyCell>` | `getNextLayerConnectedCells(int layer)` Returns the cells this cell connects to on the next layer up
`abstract List<mxGraphAbstractHierarchyCell>` | `getPreviousLayerConnectedCells(int layer)` Returns the cells this cell connects to on the next layer down
`double` | `getX(int layer)` Gets the value of x on the specified layer
`abstract boolean` | `isEdge()`
`abstract boolean` | `isVertex()`
`abstract void` | `setGeneralPurposeVariable(int layer, int value)` Set the value of temp for the specified layer
`void` | `setX(int layer, double value)` Set the value of x for the specified layer
`void` | `setY(int layer, double value)` Set the value of y for the specified layer

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

Field Detail

### maxRank

    public int maxRank

  The maximum rank this cell occupies

### minRank

    public int minRank

  The minimum rank this cell occupies

### x

    public double[] x

  The x position of this cell for each layer it occupies

### y

    public double[] y

  The y position of this cell for each layer it occupies

### width

    public double width

  The width of this cell

### height

    public double height

  The height of this cell

### nextLayerConnectedCells

    protected List<mxGraphAbstractHierarchyCell>[] nextLayerConnectedCells

  A cached version of the cells this cell connects to on the next layer up

### previousLayerConnectedCells

    protected List<mxGraphAbstractHierarchyCell>[] previousLayerConnectedCells

  A cached version of the cells this cell connects to on the next layer down

### temp

    public int[] temp

  Temporary variable for general use. Generally, try to avoid carrying information between stages. Currently, the longest path layering sets temp to the rank position in fixRanks() and the crossing reduction uses this. This meant temp couldn't be used for hashing the nodes in the model dfs and so hashCode was created

Constructor Detail

### mxGraphAbstractHierarchyCell

    public mxGraphAbstractHierarchyCell()

Method Detail

### getNextLayerConnectedCells

    public abstract List<mxGraphAbstractHierarchyCell> getNextLayerConnectedCells(int layer)

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

  Parameters:
    `layer` - the layer this cell is on
  Returns:
    the cells this cell connects to on the next layer up

### getPreviousLayerConnectedCells

    public abstract List<mxGraphAbstractHierarchyCell> getPreviousLayerConnectedCells(int layer)

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

  Parameters:
    `layer` - the layer this cell is on
  Returns:
    the cells this cell connects to on the next layer down

### isEdge

    public abstract boolean isEdge()

  Returns:
    whether or not this cell is an edge

### isVertex

    public abstract boolean isVertex()

  Returns:
    whether or not this cell is a node

### getGeneralPurposeVariable

    public abstract int getGeneralPurposeVariable(int layer)

  Gets the value of temp for the specified layer

  Parameters:
    `layer` - the layer relating to a specific entry into temp
  Returns:
    the value for that layer

### setGeneralPurposeVariable

    public abstract void setGeneralPurposeVariable(int layer,
                                                   int value)

  Set the value of temp for the specified layer

  Parameters:
    `layer` - the layer relating to a specific entry into temp
    `value` - the value for that layer

### setX

    public void setX(int layer,
                     double value)

  Set the value of x for the specified layer

  Parameters:
    `layer` - the layer relating to a specific entry into x[]
    `value` - the x value for that layer

### getX

    public double getX(int layer)

  Gets the value of x on the specified layer

  Parameters:
    `layer` - the layer to obtain x for
  Returns:
    the value of x on the specified layer

### setY

    public void setY(int layer,
                     double value)

  Set the value of y for the specified layer

  Parameters:
    `layer` - the layer relating to a specific entry into y[]
    `value` - the y value for that layer

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