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 Object

Nested Class Summary

static interface

NodeHandler.Context

Constructor Summary

NodeHandler()

Method Summary

abstract boolean	enter(NodeHandler.Context context)
abstract String	exit(NodeHandler.Context context)
void	fail(NodeHandler.Context context)
static String	getLoopFlag(String nodeName)
void	kill(NodeHandler.Context context)
void	loopDetection(NodeHandler.Context context)
List<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 String getLoopFlag(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 List<String> multiExit(NodeHandler.Context context)
                       throws WorkflowException

Throws:

WorkflowException

exit

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

Throws:

WorkflowException

kill

public void kill(NodeHandler.Context context)

fail

public void fail(NodeHandler.Context context)