net.sf.hajdbc.lock.distributed

Class CoordinatorLockCommand<R>

java.lang.Object

net.sf.hajdbc.lock.distributed.CoordinatorLockCommand<R>

All Implemented Interfaces:

Serializable, Command<R,LockCommandContext>

Direct Known Subclasses:

CoordinatorAcquireLockCommand, CoordinatorReleaseLockCommand

public abstract class CoordinatorLockCommand<R>
extends Object
implements Command<R,LockCommandContext>

A lock command to be executed on the group coordinator.

Author:

Paul Ferraro

See Also:

Serialized Form

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CoordinatorLockCommand(RemoteLockDescriptor descriptor)

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract R	execute(Lock lock)
R	execute(LockCommandContext context) Execute this command with the specified context.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CoordinatorLockCommand

protected CoordinatorLockCommand(RemoteLockDescriptor descriptor)

Method Detail

execute

public R execute(LockCommandContext context)

Execute this command with the specified context.

Specified by:

execute in interface Command<R,LockCommandContext>

Parameters:

context - the execution context.

Returns:

the result of this command.

See Also:

Command.execute(java.lang.Object)

execute

protected abstract R execute(Lock lock)

toString

public String toString()

Overrides:

toString in class Object

See Also:

Object.toString()