blob: ae64aa832ba8bd3a23e89154a90573737b3a3a37 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.alibaba.dubbo.rpc.cluster.directory;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.rpc.Invocation;
import com.alibaba.dubbo.rpc.Invoker;
import com.alibaba.dubbo.rpc.RpcException;
import com.alibaba.dubbo.rpc.cluster.Router;
import java.util.List;
/**
* StaticDirectory
*
*/
public class StaticDirectory<T> extends AbstractDirectory<T> {
private final List<Invoker<T>> invokers;
public StaticDirectory(List<Invoker<T>> invokers) {
this(null, invokers, null);
}
public StaticDirectory(List<Invoker<T>> invokers, List<Router> routers) {
this(null, invokers, routers);
}
public StaticDirectory(URL url, List<Invoker<T>> invokers) {
this(url, invokers, null);
}
public StaticDirectory(URL url, List<Invoker<T>> invokers, List<Router> routers) {
super(url == null && invokers != null && !invokers.isEmpty() ? invokers.get(0).getUrl() : url, routers);
if (invokers == null || invokers.isEmpty())
throw new IllegalArgumentException("invokers == null");
this.invokers = invokers;
}
@Override
public Class<T> getInterface() {
return invokers.get(0).getInterface();
}
@Override
public boolean isAvailable() {
if (isDestroyed()) {
return false;
}
for (Invoker<T> invoker : invokers) {
if (invoker.isAvailable()) {
return true;
}
}
return false;
}
@Override
public void destroy() {
if (isDestroyed()) {
return;
}
super.destroy();
for (Invoker<T> invoker : invokers) {
invoker.destroy();
}
invokers.clear();
}
@Override
protected List<Invoker<T>> doList(Invocation invocation) throws RpcException {
return invokers;
}
}