/* | |
* Copyright 1999-2011 Alibaba Group. | |
* | |
* 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.alibaba.dubbo.registry.support; | |
import java.util.Collection; | |
import com.alibaba.dubbo.common.Extension; | |
import com.alibaba.dubbo.common.status.Status; | |
import com.alibaba.dubbo.common.status.StatusChecker; | |
import com.alibaba.dubbo.registry.Registry; | |
/** | |
* RegistryStatusChecker | |
* | |
* @author william.liangf | |
*/ | |
@Extension("registry") | |
public class RegistryStatusChecker implements StatusChecker { | |
public Status check() { | |
Collection<Registry> regsitries = AbstractRegistryFactory.getRegistries(); | |
if (regsitries == null || regsitries.size() == 0) { | |
return new Status(Status.Level.UNKNOWN); | |
} | |
Status.Level level = Status.Level.OK; | |
StringBuilder buf = new StringBuilder(); | |
for (Registry registry : regsitries) { | |
if (buf.length() > 0) { | |
buf.append(","); | |
} | |
buf.append(registry.getUrl().getAddress()); | |
if (! registry.isAvailable()) { | |
level = Status.Level.ERROR; | |
buf.append("(disconnected)"); | |
} else { | |
buf.append("(connected)"); | |
} | |
} | |
return new Status(level, buf.toString()); | |
} | |
} |