com.netflix.astyanax.connectionpool.impl.FixedRetryBackoffStrategy Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2011 Netflix
*
* 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.netflix.astyanax.connectionpool.impl;
import com.netflix.astyanax.connectionpool.HostConnectionPool;
import com.netflix.astyanax.connectionpool.RetryBackoffStrategy;
/**
* Impl for {@link RetryBackoffStrategy} that is used to reconnect a {@link HostConnectionPool} when a host is marked as down.
*
* @author elandau
* @see {@link SimpleHostConnectionPool#markAsDown(com.netflix.astyanax.connectionpool.exceptions.ConnectionException)} for details on how this class
* could be referenced (if needed)
*/
public class FixedRetryBackoffStrategy implements RetryBackoffStrategy {
private final int interval;
private final int suspendTime;
public FixedRetryBackoffStrategy(int interval, int suspendTime) {
this.interval = interval;
this.suspendTime = suspendTime;
}
@Override
public Instance createInstance() {
return new RetryBackoffStrategy.Instance() {
private boolean isSuspended = false;
private int attemptCount = 0;
@Override
public long getNextDelay() {
if (isSuspended) {
isSuspended = false;
return suspendTime;
}
return interval;
}
@Override
public int getAttemptCount() {
return attemptCount;
}
@Override
public void begin() {
attemptCount = 0;
}
@Override
public void success() {
}
@Override
public void suspend() {
}
};
}
}