/*
* Copyright 2008 biaoping.yin
*
* 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.frameworkset.spi.assemble;
import java.util.ArrayList;
import java.util.List;
/**
*
*
* <p>Title: ProviderInfoQueue.java</p>
*
* <p>Description: 管理服务提供者队列，按优先级顺序
* 存放管理服务的多个提供者
* </p>
*
* <p>Copyright: Copyright (c) 2007</p>
*
* <p>bboss workgroup</p>
* @Date Sep 8, 2008 10:05:06 AM
* @author biaoping.yin,尹标平
* @version 1.0
*/
public class ProviderInfoQueue implements java.io.Serializable {
private List list = new ArrayList();
public static void main(String[] args) {
ProviderInfoQueue providerqueue = new ProviderInfoQueue();
}
public SecurityProviderInfo getSecurityProviderInfo(int i)
{
return (SecurityProviderInfo)list.get(i);
}
public void addSecurityProviderInfo(SecurityProviderInfo securityProvider)
{
this.list.add(securityProvider);
java.util.Collections.sort(list, new java.util.Comparator()
{
/**
* provider排序规则，prior值越小，优先级越高
*/
public int compare(Object o1, Object o2) {
SecurityProviderInfo o1_ = (SecurityProviderInfo)o1;
SecurityProviderInfo o2_ = (SecurityProviderInfo)o2;
if(o1_.getPrior() < o2_.getPrior())
return 1;
else if(o1_.getPrior() > o2_.getPrior())
return -1;
return 0;
}
});
}
public int size()
{
return list.size();
}
}