/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* 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 org.apache.sandesha2.storage.inmemory;
import java.sql.ResultSet;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Hashtable;
import java.util.Iterator;
import org.apache.axis2.context.AbstractContext;
import org.apache.sandesha2.Sandesha2Constants;
import org.apache.sandesha2.storage.beanmanagers.NextMsgBeanMgr;
import org.apache.sandesha2.storage.beans.NextMsgBean;
/**
* @author Chamikara Jayalath <chamikaramj@gmail.com>
* @author Sanka Samaranayaka <ssanka@gmail.com>
*/
public class InMemoryNextMsgBeanMgr implements NextMsgBeanMgr {
private Hashtable table = null;
public InMemoryNextMsgBeanMgr(AbstractContext context) {
Object obj = context.getProperty(Sandesha2Constants.BeanMAPs.NEXT_MESSAGE);
if (obj != null) {
table = (Hashtable) obj;
} else {
table = new Hashtable();
context.setProperty(Sandesha2Constants.BeanMAPs.NEXT_MESSAGE, table);
}
}
public boolean delete(String sequenceId) {
return table.remove(sequenceId) != null;
}
public NextMsgBean retrieve(String sequenceId) {
return (NextMsgBean) table.get(sequenceId);
}
public boolean insert(NextMsgBean bean) {
table.put(bean.getSequenceId(), bean);
return true;
}
public ResultSet find(String query) {
throw new UnsupportedOperationException("selectRS() is not supported");
}
public Collection find(NextMsgBean bean) {
ArrayList beans = new ArrayList();
Iterator iterator = table.values().iterator();
if (bean == null)
return beans;
NextMsgBean temp;
while (iterator.hasNext()) {
temp = (NextMsgBean) iterator.next();
boolean equal = true;
if (bean.getNextMsgNoToProcess() > 0
&& bean.getNextMsgNoToProcess() != temp
.getNextMsgNoToProcess())
equal = false;
if (bean.getSequenceId() != null
&& !bean.getSequenceId().equals(temp.getSequenceId()))
equal = false;
if (equal)
beans.add(temp);
}
return beans;
}
public boolean update(NextMsgBean bean) {
if (!table.contains(bean))
return false;
return table.put(bean.getSequenceId(), bean) != null;
}
public Collection retrieveAll() {
return table.values();
}
}