Package org.jppf.node.protocol.graph

Class TaskGraph.Node

java.lang.Object

org.jppf.node.protocol.graph.TaskGraph.Node

All Implemented Interfaces:

Serializable, PositionalElement<TaskGraph.Node>

Enclosing class:

TaskGraph

public static class TaskGraph.Node
extends Object
implements Serializable, PositionalElement<TaskGraph.Node>

A node in the graph of the tasks in a job which represents a task and its dependants.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
Node(int position, boolean done, List<TaskGraph.Node> dependencies)	Initialize this node with the specified task.

Method Summary

Modifier and Type	Method	Description
void	addDependency(TaskGraph.Node dependency)	Add the specified dependency.
boolean	equals(Object obj)
List<TaskGraph.Node>	getDependencies()
int	getPosition()	Returns the position of this element in its container.
int	hashCode()
boolean	isDone()
void	setDone(boolean done)	Shether this task is done, that is, either completed or cancelled.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.jppf.node.protocol.PositionalElement

setPosition

Constructor Details

Node

public Node(int position,
 boolean done,
 List<TaskGraph.Node> dependencies)

Initialize this node with the specified task.

Parameters:

position - the position of this task.

done - whether this task is done.

dependencies - the dependencies of this task, may be null.

Method Details

addDependency

public void addDependency(TaskGraph.Node dependency)

Add the specified dependency.

Parameters:

dependency - the dependency to add.

getDependencies

public List<TaskGraph.Node> getDependencies()

Returns:

the tasks that depend on this task, if any.

getPosition

public int getPosition()

Description copied from interface: PositionalElement

Returns the position of this element in its container.

Specified by:

getPosition in interface PositionalElement<TaskGraph.Node>

Returns:

the position of this element as an int.

isDone

public boolean isDone()

Returns:

whether this taks is done.

setDone

public void setDone(boolean done)

Shether this task is done, that is, either completed or cancelled.

Parameters:

done - the done state.

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object