org.apache.river.mercury

Class MailboxImpl.LocalLandlordAdaptor

java.lang.Object

org.apache.river.mercury.MailboxImpl.LocalLandlordAdaptor

All Implemented Interfaces:

LocalLandlord

Enclosing class:

MailboxImpl

private class MailboxImpl.LocalLandlordAdaptor
extends Object
implements LocalLandlord

Adaptor class implementation of LocalLandlord. We use this adaptor class with LandlordUtil because we want to only acquire the concurrentObj.writeLock() once per batch lease operation.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	LocalLandlordAdaptor()

Method Summary

Modifier and Type	Method and Description
void	cancel(Uuid cookie) Cancel the lease that is associated with the given cookie.
long	renew(Uuid cookie, long extension) Renew the lease that is associated with the given cookie.

Methods inherited from class java.lang.Object

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

Constructor Detail

LocalLandlordAdaptor

private LocalLandlordAdaptor()

Method Detail

renew

public long renew(Uuid cookie,
                  long extension)
           throws LeaseDeniedException,
                  UnknownLeaseException

Description copied from interface: LocalLandlord

Renew the lease that is associated with the given cookie.

Specified by:

renew in interface LocalLandlord

Parameters:

cookie - an object that universally and uniquely identifies a lease granted by this LocalLandlord

extension - the duration in milliseconds the client wants the lease renewed for

Returns:

The new duration the lease should have

Throws:

LeaseDeniedException - if the landlord is unwilling to renew the lease

UnknownLeaseException - if landlord does not know about a lease with the specified cookie

cancel

public void cancel(Uuid cookie)
            throws UnknownLeaseException

Description copied from interface: LocalLandlord

Cancel the lease that is associated with the given cookie.

Specified by:

cancel in interface LocalLandlord

Parameters:

cookie - an object that universally and uniquely identifies a lease granted by this LocalLandlord

Throws:

UnknownLeaseException - if landlord does not know about a lease with the specified cookie