org.gcube.vremanagement.executor.state

Class TaskResource

java.lang.Object

org.gcube.common.core.utils.handlers.GCUBEServiceClientImpl

org.gcube.common.core.state.GCUBEStatefulResource<org.gcube.common.core.state.GCUBEWSResourceKey>

org.gcube.common.core.state.GCUBEWSResource

org.gcube.vremanagement.executor.state.TaskResource

All Implemented Interfaces:

org.gcube.common.core.utils.handlers.GCUBEServiceClient, org.globus.wsrf.PersistenceCallback, org.globus.wsrf.Resource, org.globus.wsrf.ResourceLifetime, org.globus.wsrf.ResourceProperties, org.globus.wsrf.TopicListAccessor

public class TaskResource
extends org.gcube.common.core.state.GCUBEWSResource

An extension of GCUBEWSResource that provides and publishes a runtime environment for a ExecutorTask.

Author:

Fabio Simeoni (University of Strathclyde)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	TaskResource.TaskLog Extends GCUBELog to forward a selection of log messages to the log RP.

Nested classes/interfaces inherited from class org.gcube.common.core.state.GCUBEStatefulResource

org.gcube.common.core.state.GCUBEStatefulResource.LOCK, org.gcube.common.core.state.GCUBEStatefulResource.TaskContext

Field Summary

Fields inherited from class org.gcube.common.core.state.GCUBEStatefulResource

logger, uuidGen

Constructor Summary

Constructors

Constructor and Description
TaskResource()

Method Summary

Methods

Modifier and Type	Method and Description
ExecutorPluginContext	getContext() Returns the context of the task's plugin.
String	getError() Returns the value of the error RP.
Map<String,Object>	getInputs() Returns (a copy of) the task inputs.
String	getLog() Returns the contents of the log.
Map<String,Object>	getOutputs() Returns the task outputs.
String[]	getPropertyNames()
Calendar	getStartTime() Gets the value of the start time RP.
ExecutorTask	getTask() Returns the task.
protected String[]	getTopicNames()
protected void	initialise(Object... args)
void	launch(org.gcube.common.core.scope.GCUBEScope scope) Launches the task in a given scope.
void	setContext(ExecutorPluginContext context) Sets the context of the task's plugin.
void	setError(String value) Sets the value of the error RP.
void	setInputs(Map<String,Object> inputs) Sets the task inputs.
void	setLog(String value) Sets the value of the log RP.
void	setOutputs(Map<String,Object> outputs) Sets the taks's outputs.
void	setStartTime(Calendar value) Sets the value of the start time RP.
void	setState(String value) Sets the value of the state RP.
protected void	setType(org.gcube.vremanagement.executor.stubs.TaskDescription value) Sets the value of the type RP.
void	stop() Attempts to stop execution.
void	store()

Methods inherited from class org.gcube.common.core.state.GCUBEWSResource

getCurrentTime, getEPR, getPorttypeContext, getProperty, getPublisher, getResourcePropertySet, getServiceContext, getTerminationTime, getTopicList, initialise, initialiseContainers, inScope, load, publish, setPortTypeContext, setTerminationTime, unpublish

Methods inherited from class org.gcube.common.core.state.GCUBEStatefulResource

getID, getLock, getScheduledTasks, getScope, launchTask, onRemove, setID, setPersistenceDelegate, stopTask

Methods inherited from class org.gcube.common.core.utils.handlers.GCUBEServiceClientImpl

getPortTypeMap, setPortTypeMap

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskResource

public TaskResource()

Method Detail

getPropertyNames

public String[] getPropertyNames()

Overrides:

getPropertyNames in class org.gcube.common.core.state.GCUBEWSResource

getTopicNames

protected String[] getTopicNames()

Overrides:

getTopicNames in class org.gcube.common.core.state.GCUBEWSResource

initialise

protected void initialise(Object... args)
                   throws Exception

Specified by:

initialise in class org.gcube.common.core.state.GCUBEWSResource

Throws:

Exception

getContext

public ExecutorPluginContext getContext()

Returns the context of the task's plugin.

Returns:

the context.

setContext

public void setContext(ExecutorPluginContext context)

Sets the context of the task's plugin.

Parameters:

context - the context.

getTask

public ExecutorTask getTask()

Returns the task.

Returns:

the task.

setStartTime

public void setStartTime(Calendar value)

Sets the value of the start time RP.

Parameters:

value - the value.

getStartTime

public Calendar getStartTime()

Gets the value of the start time RP.

Returns:

value the value.

setType

protected void setType(org.gcube.vremanagement.executor.stubs.TaskDescription value)

Sets the value of the type RP.

Parameters:

value - the value.

setState

public void setState(String value)

Sets the value of the state RP.

Parameters:

value - the value.

setInputs

public void setInputs(Map<String,Object> inputs)

Sets the task inputs.

Parameters:

inputs - the inputs.

getInputs

public Map<String,Object> getInputs()

Returns (a copy of) the task inputs.

Returns:

the inputs.

setOutputs

public void setOutputs(Map<String,Object> outputs)

Sets the taks's outputs.

Parameters:

outputs - the outputs.

getOutputs

public Map<String,Object> getOutputs()

Returns the task outputs.

Returns:

the inputs.

setError

public void setError(String value)

Sets the value of the error RP.

Parameters:

value - the value.

getError

public String getError()

Returns the value of the error RP.

Returns:

the value.

setLog

public void setLog(String value)

Sets the value of the log RP.

Parameters:

value - the contents.

getLog

public String getLog()

Returns the contents of the log.

Returns:

the contents.

stop

public void stop()
          throws OperationNotSupportedException,
                 Exception

Attempts to stop execution.

Throws:

UnsupportedOperationException - if the task cannot be stopped.

Exception - if the task could not be stopped.

OperationNotSupportedException

launch

public void launch(org.gcube.common.core.scope.GCUBEScope scope)
            throws Exception

Launches the task in a given scope.

Parameters:

scope - the scope.

Throws:

Exception - if the task could not launched.

store

public void store()

Specified by:

store in interface org.globus.wsrf.PersistenceCallback

Overrides:

store in class org.gcube.common.core.state.GCUBEStatefulResource<org.gcube.common.core.state.GCUBEWSResourceKey>