Mercurial > hg > blitz_condensed
view src/org/dancres/blitz/entry/LeaseTrackerFactory.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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package org.dancres.blitz.entry; import java.io.IOException; import org.dancres.blitz.lease.LeaseReaper; import org.dancres.blitz.lease.ReapFilter; import org.dancres.blitz.oid.Allocator; class LeaseTrackerFactory { /** Create a LeaseTracker capable of managing all leases for a particular entry type which is using a particular Allocator instance to assign ids. */ static LeaseTracker getTracker(String aType, Allocator anAllocator) throws IOException { if (EntryRepositoryFactory.getReaper().isActive()) return new LeaseTrackerImpl(aType, anAllocator.getMaxZoneId()); else return new NullTrackerImpl(aType); } private static class NullTrackerImpl implements LeaseTracker { private String theType; NullTrackerImpl(String aType) { // System.err.println("NullTracker: " + aType); theType = aType; } public void bringOutTheDead(EntryReaper aReaper) { // Do nothing } public void delete(PersistentEntry anEntry) throws IOException { // Do nothing } public void update(PersistentEntry anEntry) throws IOException { // Do nothing } public void write(PersistentEntry anEntry) throws IOException { // Do nothing } public void close() throws IOException { // Do nothing } public void delete() throws IOException { // Do nothing } } }