org.openspaces.core.executor.support
Class PrivilegedTask<T extends Serializable>

java.lang.Object
  org.openspaces.core.executor.support.SimpleDelegatingTask<T>
      org.openspaces.core.executor.support.PrivilegedTask<T>

All Implemented Interfaces:

Externalizable, Serializable, DelegatingTask<T>, Task<T>, TaskRoutingProvider

public class PrivilegedTask<T extends Serializable>
extends SimpleDelegatingTask<T>
implements Externalizable

A delegating task that runs under established access control settings.

Author:

kimchy

See Also:

Serialized Form

Constructor Summary

PrivilegedTask()
Here for Externalizable.

PrivilegedTask(Task<T> task)
Constructs a new privileged task wrapping the actual task to execute.

Method Summary

T	execute() Executes the provided task under access controls.
void	readExternal(ObjectInput in)
void	writeExternal(ObjectOutput out)

Methods inherited from class org.openspaces.core.executor.support.SimpleDelegatingTask

_readExternal, _writeExternal, getDelegatedTask, getRouting

Methods inherited from class java.lang.Object

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

Constructor Detail

PrivilegedTask

public PrivilegedTask()

Here for Externalizable.

PrivilegedTask

public PrivilegedTask(Task<T> task)

Constructs a new privileged task wrapping the actual task to execute.

Method Detail

execute

public T execute()
                               throws Exception

Executes the provided task under access controls.

Specified by:

execute in interface Task<T extends Serializable>

Overrides:

execute in class SimpleDelegatingTask<T extends Serializable>

Returns:

computed result

Throws:

Exception - if unable to compute a result

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException