Package org.jfree.data.flow

Class NodeKey<K extends Comparable<K>>

java.lang.Object
org.jfree.data.flow.NodeKey<K>
Type Parameters:
K - the type for the keys used to identify sources and destinations (String is a good default choice).
All Implemented Interfaces:
Serializable, Cloneable, PublicCloneable
public class NodeKey<K extends Comparable<K>> extends Object implements PublicCloneable, Serializable
A key that identifies a node in a FlowDataset. Instances of this class are immutable.
Since:
1.5.3
See Also:

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    SELECTED_PROPERTY_KEY
    The key for a node property that, if defined (at the dataset level), contains a Boolean value for the selection status of the node.

  • Constructor Summary

    Constructors
    Constructor
    Description
    NodeKey(int stage, K node)
    Creates a new key referencing a node in a FlowDataset.

  • Method Summary

    Modifier and Type
    Method
    Description
    Object
    clone()
    Returns a clone of the object.
    boolean
    equals(Object obj)
    Tests this instance for equality with an arbitrary object.
    K
    getNode()
    Returns the identifier for the node.
    int
    getStage()
    Returns the stage number.
    int
    hashCode()
    Returns a hashcode for this instance.
    String
    toString()
    Returns a string representation of this instance, primarily for debugging purposes.

    Methods inherited from class java.lang.Object

    finalize, getClass, notify, notifyAll, wait, wait, wait

  • Field Details

  • Constructor Details

    • NodeKey

      public NodeKey(int stage, K node)
      Creates a new key referencing a node in a FlowDataset.
      Parameters:
      stage - the stage.
      node - the node key.

  • Method Details

    • getStage

      public int getStage()
      Returns the stage number.
      Returns:
      The stage number.

    • getNode

      public K getNode()
      Returns the identifier for the node.
      Returns:
      The identifier for the node (never null).

    • toString

      public String toString()
      Returns a string representation of this instance, primarily for debugging purposes.
      Overrides:
      toString in class Object
      Returns:
      A string.

    • equals

      public boolean equals(Object obj)
      Tests this instance for equality with an arbitrary object.
      Overrides:
      equals in class Object
      Parameters:
      obj - the object (null permitted).
      Returns:
      A boolean.

    • hashCode

      public int hashCode()
      Returns a hashcode for this instance.
      Overrides:
      hashCode in class Object
      Returns:
      A hashcode.

    • clone

      public Object clone() throws CloneNotSupportedException
      Description copied from interface: PublicCloneable
      Returns a clone of the object.
      Specified by:
      clone in interface PublicCloneable
      Overrides:
      clone in class Object
      Returns:
      A clone.
      Throws:
      CloneNotSupportedException - if cloning is not supported for some reason.