Mercurial > hg > blitz_condensed
diff src/org/dancres/blitz/remote/txn/TxnLeaseHandlerImpl.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/org/dancres/blitz/remote/txn/TxnLeaseHandlerImpl.java Sat Mar 21 11:00:06 2009 +0000 @@ -0,0 +1,47 @@ +package org.dancres.blitz.remote.txn; + +import java.io.IOException; + +import net.jini.core.lease.UnknownLeaseException; +import net.jini.core.lease.LeaseDeniedException; + +import org.dancres.blitz.lease.LeaseHandler; +import org.dancres.blitz.lease.SpaceUID; +import org.dancres.blitz.lease.LeaseBounds; +import org.dancres.blitz.util.Time; + +/** + */ +public class TxnLeaseHandlerImpl implements LeaseHandler { + public boolean recognizes(SpaceUID aUID) { + return (aUID instanceof SpaceTxnUID); + } + + public long renew(SpaceUID aUID, long aLeaseDuration) + throws UnknownLeaseException, LeaseDeniedException, IOException { + + long myDuration = LeaseBounds.boundView(aLeaseDuration); + long myExpiry = Time.getAbsoluteTime(myDuration); + + boolean myResult; + + myResult = LoopBackMgr.get().renew((SpaceTxnUID) aUID, + myExpiry); + + if (!myResult) + throw new UnknownLeaseException(); + + return myDuration; + } + + public void cancel(SpaceUID aUID) + throws UnknownLeaseException, IOException { + + boolean myResult; + + myResult = LoopBackMgr.get().cancel((SpaceTxnUID) aUID); + + if (!myResult) + throw new UnknownLeaseException(); + } +}