org.gcube.common.core.state
Class GCUBELocalResource

java.lang.Object
  org.gcube.common.core.utils.handlers.GCUBEServiceClientImpl
      org.gcube.common.core.state.GCUBEStatefulResource<String>
          org.gcube.common.core.state.GCUBELocalResource

All Implemented Interfaces:

GCUBEServiceClient, org.globus.wsrf.Resource

public abstract class GCUBELocalResource
extends GCUBEStatefulResource<String>

An abstract specialisation of GCUBEStatefulResource for stateful entities that are locally accessible.

Author:

Fabio Simeoni (University of Strathclyde)

Nested Class Summary

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

GCUBEStatefulResource.LOCK, GCUBEStatefulResource.TaskContext

Field Summary

protected GCUBEServiceContext

context The context of the service in which the resource is used.

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

logger, uuidGen

Constructor Summary

GCUBELocalResource()

Method Summary

void	addLink() Increments the number of clients that share the resource.
int	getLinks() Returns the number of clients that share the resource.
GCUBEServiceContext	getServiceContext() Returns the context of the service associated with the resource.
protected void	initialise(String id, Object... params) Used internally to initialise the resource with a given identifier and from given parameters.
void	removeLink() Decrements the number of clients that share the resource.
void	setLinks(int links) Sets the number of clients that share the resource.
void	setServiceContext(GCUBEServiceContext context) Sets the service context associated with the local resource.

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

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

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

Field Detail

context

protected GCUBEServiceContext context

The context of the service in which the resource is used.

Constructor Detail

GCUBELocalResource

public GCUBELocalResource()

Method Detail

initialise

protected void initialise(String id,
                          Object... params)
                   throws Exception

Used internally to initialise the resource with a given identifier and from given parameters.

Specified by:

initialise in class GCUBEStatefulResource<String>

Parameters:

id - the identifier, or null if a new one should be generated.

params - (optional) the initialisation parameters.

Throws:

Exception - if the resource could not be initialised.

getLinks

public int getLinks()

Returns the number of clients that share the resource.

Returns:

the number of clients that share the resource.

addLink

public void addLink()

Increments the number of clients that share the resource.

removeLink

public void removeLink()

Decrements the number of clients that share the resource.

setLinks

public void setLinks(int links)

Sets the number of clients that share the resource.

Parameters:

links - the number of clients that share the resource.

getServiceContext

public GCUBEServiceContext getServiceContext()

Returns the context of the service associated with the resource.

Specified by:

getServiceContext in class GCUBEStatefulResource<String>

Returns:

the context.

setServiceContext

public void setServiceContext(GCUBEServiceContext context)

Sets the service context associated with the local resource.

Parameters:

context - the context.