/*
 * Copyright 2003-2009 the original author or authors.
 * 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 com.jdon.jivejdon.domain.model.account;

import com.jdon.domain.message.DomainMessage;
import com.jdon.jivejdon.spi.pubsub.reconstruction.LazyLoaderRole;
import com.jdon.jivejdon.domain.model.util.LazyLoader;

public class RoleLoader extends LazyLoader {

	private final long accountId;

	private final LazyLoaderRole lazyLoaderRole;

	private volatile String rolename;

	public RoleLoader(long accountId, LazyLoaderRole lazyLoaderRole) {
		super();
		this.accountId = accountId;
		this.lazyLoaderRole = lazyLoaderRole;
	}

	public String getRoleName() {
		if (rolename == null) {
			if (this.domainMessage == null && lazyLoaderRole != null) {
				super.preload();
			} else if (this.domainMessage != null) {
				rolename = (String) super.loadResult();
			}
		}

		return rolename;
	}

	@Override
	public DomainMessage getDomainMessage() {
		return lazyLoaderRole.loadRolename(Long.toString(this.accountId));
	}

}
