/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/metaobj/trunk/metaobj-api/api/src/java/org/sakaiproject/metaobj/shared/mgt/AgentUserType.java $
* $Id: AgentUserType.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2004, 2005, 2006, 2008 The Sakai Foundation
*
* Licensed under the Educational Community 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.opensource.org/licenses/ECL-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.sakaiproject.metaobj.shared.mgt;
import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import org.hibernate.HibernateException;
import org.hibernate.usertype.UserType;
import org.sakaiproject.component.cover.ComponentManager;
import org.sakaiproject.metaobj.shared.model.Agent;
import org.sakaiproject.metaobj.shared.model.Id;
public class AgentUserType implements UserType {
public int[] sqlTypes() {
return new int[]{Types.VARCHAR};
}
public Class returnedClass() {
return Agent.class;
}
public boolean equals(Object x, Object y) throws HibernateException {
return (x == y) || (x != null && y != null && x.equals(y));
}
public Object nullSafeGet(ResultSet resultSet, String[] names, Object o) throws HibernateException, SQLException {
String result = resultSet.getString(names[0]);
if (result == null) {
return null;
}
Id agentId = getIdManager().getId(result);
Agent agent = getAgentManager().getAgent(agentId);
return agent;
}
public void nullSafeSet(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
Agent agent = (Agent) value;
if (value == null || agent.getId() == null) {
st.setNull(index, Types.VARCHAR);
}
else {
st.setString(index, agent.getId().getValue());
}
}
public Object deepCopy(Object o) throws HibernateException {
return o;
}
public boolean isMutable() {
return false;
}
public AgentManager getAgentManager() {
return (AgentManager) ComponentManager.getInstance().get("agentManager");
}
public IdManager getIdManager() {
return (IdManager) ComponentManager.getInstance().get("idManager");
}
public Object assemble(Serializable cached, Object owner)
throws HibernateException {
if (cached==null) {
return null;
}
else {
return deepCopy(cached);
}
}
public Serializable disassemble(Object value) throws HibernateException {
if (value==null) {
return null;
}
else {
return (Serializable) deepCopy(value);
}
}
public int hashCode(Object o) throws HibernateException {
Agent agent = (Agent) o;
return agent.getId().getValue().hashCode();
}
public Object replace(Object original, Object target, Object owner)
throws HibernateException {
return original;
}
}