/**
* Copyright (c) 2008-2012 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.osedu.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.profile2.tool.models;
import org.apache.wicket.injection.web.InjectorHolder;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.sakaiproject.profile2.logic.ProfileMessagingLogic;
import org.sakaiproject.profile2.model.Message;
/**
* Detachable model for an instance of Message
*
* @author Steve Swinsburg (steve.swinsburg@gmail.com)
*
*/
public class DetachableMessageModel extends LoadableDetachableModel<Message>{
private static final long serialVersionUID = 1L;
private final String id;
@SpringBean(name="org.sakaiproject.profile2.logic.ProfileMessagingLogic")
protected ProfileMessagingLogic messagingLogic;
/**
* @param m
*/
public DetachableMessageModel(Message m){
this.id = m.getId();
}
/**
* @param id
*/
public DetachableMessageModel(String id){
this.id = id;
}
/**
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
return id.hashCode();
}
/**
* used for dataview with ReuseIfModelsEqualStrategy item reuse strategy
*
* @see org.apache.wicket.markup.repeater.ReuseIfModelsEqualStrategy
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(final Object obj){
if (obj == this){
return true;
}
else if (obj == null){
return false;
}
else if (obj instanceof DetachableMessageModel) {
DetachableMessageModel other = (DetachableMessageModel)obj;
return other.id == id;
}
return false;
}
/**
* @see org.apache.wicket.model.LoadableDetachableModel#load()
*/
protected Message load(){
//inject
InjectorHolder.getInjector().inject(this);
// get the message
return messagingLogic.getMessage(id);
}
}