net.sf.ehcache.transaction.XidTransactionIDSerializedForm Maven / Gradle / Ivy
/**
* Copyright 2003-2010 Terracotta, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.sf.ehcache.transaction;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.transaction.xa.SerializableXid;
import javax.transaction.xa.Xid;
import java.io.Serializable;
/**
* A replacement serialized form for XID transaction IDs. It can be used by transaction ID factories
* to create XID-based IDs that serialize to this form (using writeReplace()) if they don't want or
* cannot provide directly serializable IDs.
*
* During deserialization, objects of this class will be replaced by the result of the
* CacheManager.restoreXidTransactionID() call.
*
* @author Ludovic Orban
*/
public final class XidTransactionIDSerializedForm implements Serializable {
private final String cacheManagerName;
private final Xid xid;
private final String decision;
/**
* Constructor
*
* @param cacheManagerName the name of the cache manager which contains the factory
* that created the original XidTransactionID
* @param xid the XidTransactionID's XID
* @param decision the XidTransactionID's decision
*/
public XidTransactionIDSerializedForm(String cacheManagerName, Xid xid, String decision) {
this.cacheManagerName = cacheManagerName;
this.xid = new SerializableXid(xid);
this.decision = decision;
}
/**
* Get the name of the cache manager which contains the factory that created the
* original XidTransactionID
*
* @return the cache manager name
*/
public String getCacheManagerName() {
return cacheManagerName;
}
/**
* Get the original XidTransactionID's XID
*
* @return the original XidTransactionID's XID
*/
public Xid getXid() {
return xid;
}
/**
* Get the original XidTransactionID's decision
* @return the original XidTransactionID's decision
*/
public String getDecision() {
return decision;
}
private Object readResolve() {
CacheManager cacheManager = CacheManager.getCacheManager(cacheManagerName);
if (cacheManager == null) {
throw new TransactionException("unable to restore XID transaction ID from " + cacheManagerName);
}
return cacheManager.getOrCreateTransactionIDFactory().restoreXidTransactionID(this);
}
}