org.apache.oozie.workflow.lite

Class NodeHandler

java.lang.Object

org.apache.oozie.workflow.lite.NodeHandler

Direct Known Subclasses:

ActionNodeHandler, ControlNodeHandler, DecisionNodeHandler, EndNodeDef.EndNodeHandler, ForkNodeDef.ForkNodeHandler, JoinNodeDef.JoinNodeHandler, KillNodeDef.KillNodeHandler, StartNodeDef.StartNodeHandler

public abstract class NodeHandler
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	NodeHandler.Context

Constructor Summary

Constructors

Constructor and Description
NodeHandler()

Method Summary

Methods

Modifier and Type	Method and Description
abstract boolean	enter(NodeHandler.Context context)
abstract java.lang.String	exit(NodeHandler.Context context)
void	fail(NodeHandler.Context context)
static java.lang.String	getLoopFlag(java.lang.String nodeName)
void	kill(NodeHandler.Context context)
void	loopDetection(NodeHandler.Context context)
java.util.List<java.lang.String>	multiExit(NodeHandler.Context context)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NodeHandler

public NodeHandler()

Method Detail

getLoopFlag

public static java.lang.String getLoopFlag(java.lang.String nodeName)

loopDetection

public void loopDetection(NodeHandler.Context context)
                   throws WorkflowException

Throws:

WorkflowException

enter

public abstract boolean enter(NodeHandler.Context context)
                       throws WorkflowException

Throws:

WorkflowException

multiExit

public java.util.List<java.lang.String> multiExit(NodeHandler.Context context)
                                           throws WorkflowException

Throws:

WorkflowException

exit

public abstract java.lang.String exit(NodeHandler.Context context)
                               throws WorkflowException

Throws:

WorkflowException

kill

public void kill(NodeHandler.Context context)

fail

public void fail(NodeHandler.Context context)