Package com.oracle.coherence.concurrent.executor.tasks.internal

Class ScheduledRunnableTask

java.lang.Object

com.oracle.coherence.concurrent.executor.tasks.internal.RunnableTask

com.oracle.coherence.concurrent.executor.tasks.internal.ScheduledRunnableTask

All Implemented Interfaces:

Task<Boolean>, com.tangosol.io.ExternalizableLite, com.tangosol.io.pof.PortableObject, Serializable, Runnable

public class ScheduledRunnableTask
extends RunnableTask
implements Runnable

A Task that calls a Runnable at scheduled time.

Since:

21.12

Author:

lh

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.oracle.coherence.concurrent.executor.Task

Task.Collectable<T,R>, Task.Collector<T,A,R>, Task.Completable<T,R>, Task.CompletionRunnable<T>, Task.Context<T>, Task.Coordinator<T>, Task.Option, Task.Orchestration<T>, Task.Properties, Task.SubscribedOrchestration<T>, Task.Subscriber<T>, Task.Subscription<T>, Task.Yield

Field Summary

Fields

Modifier and Type	Field	Description
protected Duration	m_delay	The delay to start the next execution after the completion of the current execution.
protected Duration	m_initialDelay	The initial delay to execute the task.
protected long	m_ldtExecuteNanos	The time in nanoseconds to execute the task.
protected Duration	m_period	The period between successive executions.

Fields inherited from class com.oracle.coherence.concurrent.executor.tasks.internal.RunnableTask

m_runnable

Constructor Summary

Constructors

Constructor	Description
ScheduledRunnableTask()	Constructs a ScheduledRunnableTask (required for serialization).
ScheduledRunnableTask(Runnable runnable, Duration initialDelay, Duration period, Duration delay)	Constructs a RunnableTask.

Method Summary

Modifier and Type	Method	Description
Boolean	execute(Task.Context<Boolean> context)	Executes the Task.
Duration	getInitialDelay()	Returns the initial delay.
Duration	getPeriod()	Returns the period.
void	readExternal(com.tangosol.io.pof.PofReader in)
void	readExternal(DataInput in)
void	run()
String	toString()
void	writeExternal(com.tangosol.io.pof.PofWriter out)
void	writeExternal(DataOutput out)

Methods inherited from class com.oracle.coherence.concurrent.executor.tasks.internal.RunnableTask

getRunnable

Methods inherited from class java.lang.Object

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

Field Detail

m_initialDelay

protected Duration m_initialDelay

The initial delay to execute the task.

m_ldtExecuteNanos

protected long m_ldtExecuteNanos

The time in nanoseconds to execute the task.

m_period

protected Duration m_period

The period between successive executions.

m_delay

protected Duration m_delay

The delay to start the next execution after the completion of the current execution.

Constructor Detail

ScheduledRunnableTask

public ScheduledRunnableTask()

Constructs a ScheduledRunnableTask (required for serialization).

ScheduledRunnableTask

public ScheduledRunnableTask(Runnable runnable,
                             Duration initialDelay,
                             Duration period,
                             Duration delay)

Constructs a RunnableTask.

Parameters:

runnable - the runnable

initialDelay - the initial delay

period - the period between successive execution

delay - the delay to start the next execution after the completion of the current execution

Method Detail

getInitialDelay

public Duration getInitialDelay()

Returns the initial delay.

Returns:

the initial delay

getPeriod

public Duration getPeriod()

Returns the period.

Returns:

the period

execute

public Boolean execute(Task.Context<Boolean> context)
                throws Exception

Description copied from interface: Task

Executes the Task.

Specified by:

execute in interface Task<Boolean>

Overrides:

execute in class RunnableTask

Parameters:

context - the Task.Context

Returns:

the result of executing the Task

Throws:

Task.Yield - which indicates the Task execution should yield execution until some later point in time

Exception

run

public void run()

Specified by:

run in interface Runnable

readExternal

public void readExternal(DataInput in)
                  throws IOException

Specified by:

readExternal in interface com.tangosol.io.ExternalizableLite

Overrides:

readExternal in class RunnableTask

Throws:

IOException

writeExternal

public void writeExternal(DataOutput out)
                   throws IOException

Specified by:

writeExternal in interface com.tangosol.io.ExternalizableLite

Overrides:

writeExternal in class RunnableTask

Throws:

IOException

readExternal

public void readExternal(com.tangosol.io.pof.PofReader in)
                  throws IOException

Specified by:

readExternal in interface com.tangosol.io.pof.PortableObject

Overrides:

readExternal in class RunnableTask

Throws:

IOException

writeExternal

public void writeExternal(com.tangosol.io.pof.PofWriter out)
                   throws IOException

Specified by:

writeExternal in interface com.tangosol.io.pof.PortableObject

Overrides:

writeExternal in class RunnableTask

Throws:

IOException

toString

public String toString()

Overrides:

toString in class RunnableTask