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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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package org.apache.cayenne.remote.hessian.service;
import java.util.HashMap;
import java.util.Map;
import org.apache.cayenne.DataRow;
import org.apache.cayenne.map.EntityResolver;
import org.apache.cayenne.query.AbstractQuery;
import org.apache.cayenne.util.PersistentObjectList;
import com.caucho.hessian.io.AbstractSerializerFactory;
import com.caucho.hessian.io.Deserializer;
import com.caucho.hessian.io.HessianProtocolException;
import com.caucho.hessian.io.Serializer;
/**
* An object that manages all custom (de)serializers used on the server.
*
* @since 1.2
* @author Andrus Adamchik
*/
class ServerSerializerFactory extends AbstractSerializerFactory {
private EntityResolver serverResolver;
private ServerPersistentObjectListSerializer persistentObjectListSerializer;
private ServerDataRowSerializer dataRowSerilaizer;
private Map deserializers;
ServerSerializerFactory() {
this.persistentObjectListSerializer = new ServerPersistentObjectListSerializer();
this.dataRowSerilaizer = new ServerDataRowSerializer();
}
// this method is used by HessianCOnfig to inject resolver
void setEntityResolver(EntityResolver resolver) {
this.serverResolver = resolver;
}
public Serializer getSerializer(Class cl) throws HessianProtocolException {
if (PersistentObjectList.class.isAssignableFrom(cl)) {
return persistentObjectListSerializer;
}
else if (DataRow.class.isAssignableFrom(cl)) {
return dataRowSerilaizer;
}
return null;
}
public Deserializer getDeserializer(Class cl) throws HessianProtocolException {
Deserializer deserializer = null;
if (AbstractQuery.class.isAssignableFrom(cl)) {
synchronized (this) {
if (deserializers != null) {
deserializer = (Deserializer) deserializers.get(cl);
}
if (deserializer == null) {
deserializer = new ServerAbstractQueryDeserializer(cl, serverResolver
.getClientEntityResolver());
if (deserializers == null) {
deserializers = new HashMap();
}
deserializers.put(cl, deserializer);
}
}
}
return deserializer;
}
}