package org.apache.helix.ui.health;
/*
* 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.
*/
import com.codahale.metrics.health.HealthCheck;
import org.apache.helix.ui.util.ClientCache;
import java.util.Set;
public class ClusterConnectionHealthCheck extends HealthCheck {
private final ClientCache clientCache;
public ClusterConnectionHealthCheck(ClientCache clientCache) {
this.clientCache = clientCache;
}
@Override
protected Result check() throws Exception {
Set<String> deadConnections = clientCache.getDeadConnections();
if (!deadConnections.isEmpty()) {
return Result.unhealthy("Dead connections to " + deadConnections);
}
return Result.healthy();
}
}