edu.umass.cs.txn

Class TXLockerMap

java.lang.Object

edu.umass.cs.txn.TXLockerMap

All Implemented Interfaces:

TXLocker

public class TXLockerMap
extends java.lang.Object
implements TXLocker

Author:

arun

Constructor Summary

Constructors

Constructor and Description
TXLockerMap()

Method Summary

Modifier and Type	Method and Description
void	lock(java.lang.String lockID) A blocking call that returns upon successfully locking lockID or throws a TXException.
void	lock(java.lang.String[] lockIDs) Acquires the locks in the order specified by lockIDs.
void	unlock(java.lang.String lockID) A blocking call that returns upon successfully release lockID or throws a TXException .
void	unlock(java.lang.String[] lockIDs) Releases the locks in the order specified by lockIDs.

Methods inherited from class java.lang.Object

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

Constructor Detail

TXLockerMap

public TXLockerMap()

Method Detail

lock

public void lock(java.lang.String lockID)
          throws TXException

A blocking call that returns upon successfully locking lockID or throws a TXException. Locking a group involves synchronously checkpointing its state and maintaining in memory its locked status.

Specified by:

lock in interface TXLocker

Parameters:

lockID -

Throws:

TXException

lock

public void lock(java.lang.String[] lockIDs)
          throws TXException

Acquires the locks in the order specified by lockIDs.

Parameters:

lockIDs -

Throws:

TXException

unlock

public void unlock(java.lang.String lockID)
            throws TXException

A blocking call that returns upon successfully release lockID or throws a TXException .

Parameters:

lockID -

Throws:

TXException

unlock

public void unlock(java.lang.String[] lockIDs)
            throws TXException

Releases the locks in the order specified by lockIDs.

Parameters:

lockIDs -

Throws:

TXException