org.eclipse.viatra.transformation.evm.api

Class ScheduledExecution

java.lang.Object

org.eclipse.viatra.transformation.evm.api.ScheduledExecution

public class ScheduledExecution
extends java.lang.Object

The Scheduled Execution is responsible for firing enabled activations of its RuleBase, when its Scheduler notifies it.

Constructor Summary

Constructors

Constructor and Description
ScheduledExecution(EventRealm eventRealm) Creates an execution for the given EventRealm.
ScheduledExecution(EventRealm eventRealm, Agenda agenda, IExecutor executor) Creates an execution for the given EventRealm, Executor and Agenda.
ScheduledExecution(RuleBase ruleBase, IExecutor executor) Creates an execution for the given Executor and RuleBase.

Method Summary

Modifier and Type	Method and Description
protected void	dispose() Disposes of the execution by disposing its ruleBase.
protected void	endScheduling() This method is called by schedule() to indicate that the firing strategy is finished its execution.
IExecutor	getExecutor()
RuleBase	getRuleBase()
protected void	schedule()
protected boolean	startScheduling() This method is called from schedule() to indicate that a new call was received.

Methods inherited from class java.lang.Object

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

Constructor Detail

ScheduledExecution

public ScheduledExecution(EventRealm eventRealm,
                          Agenda agenda,
                          IExecutor executor)

Creates an execution for the given EventRealm, Executor and Agenda. Executions are usually created as part of an ExecutionSchema through the EventDrivenVM.createExecutionSchema methods.

Parameters:

eventRealm -

executor -

agenda -

ScheduledExecution

public ScheduledExecution(EventRealm eventRealm)

Creates an execution for the given EventRealm. Executions are usually created as part of an ExecutionSchema through the EventDrivenVM.createExecutionSchema methods.

Parameters:

eventRealm -

executor -

agenda -

ScheduledExecution

public ScheduledExecution(RuleBase ruleBase,
                          IExecutor executor)

Creates an execution for the given Executor and RuleBase. Executions are usually created as part of an ExecutionSchema through the EventDrivenVM.createExecutionSchema methods.

Parameters:

eventRealm -

executor -

ruleBase -

Method Detail

getRuleBase

public RuleBase getRuleBase()

getExecutor

public IExecutor getExecutor()

schedule

protected void schedule()

startScheduling

protected boolean startScheduling()

This method is called from schedule() to indicate that a new call was received. If there is already scheduling in progress, that is logged and false is returned. Otherwise, a new scheduling starts, which is logged and stored.

Returns:

true, if the firing strategy can start, false otherwise

endScheduling

protected void endScheduling()

This method is called by schedule() to indicate that the firing strategy is finished its execution. This is logged and the scheduling state is set to false.

dispose

protected void dispose()

Disposes of the execution by disposing its ruleBase.