/*
* Copyright (C) 2012-2015 DataStax Inc.
*
* 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.datastax.driver.core;
import com.datastax.driver.core.policies.ReconnectionPolicy;
import java.util.concurrent.atomic.AtomicInteger;
/**
* A reconnection policy that tracks how many times its schedule has been invoked.
*/
public class CountingReconnectionPolicy implements ReconnectionPolicy {
public final AtomicInteger count = new AtomicInteger();
private final ReconnectionPolicy childPolicy;
public CountingReconnectionPolicy(ReconnectionPolicy childPolicy) {
this.childPolicy = childPolicy;
}
@Override
public ReconnectionSchedule newSchedule() {
return new CountingSchedule(childPolicy.newSchedule());
}
class CountingSchedule implements ReconnectionSchedule {
private final ReconnectionSchedule childSchedule;
public CountingSchedule(ReconnectionSchedule childSchedule) {
this.childSchedule = childSchedule;
}
@Override
public long nextDelayMs() {
count.incrementAndGet();
return childSchedule.nextDelayMs();
}
}
@Override
public void init(Cluster cluster) {
}
@Override
public void close() {
childPolicy.close();
}
}