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Spring Retry provides an abstraction around retrying failed operations, with an emphasis on declarative control of the process and policy-based bahaviour that is easy to extend and customize. For instance, you can configure a plain POJO operation to retry if it fails, based on the type of exception, and with a fixed or exponential backoff.
/*
* Copyright 2012-2015 the original author or authors.
*
* 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 org.springframework.retry.stats;
/**
* @author Dave Syer
*
*/
public class DefaultRetryStatisticsFactory implements RetryStatisticsFactory {
private long window = 15000;
/**
* Window in milliseconds for exponential decay factor in rolling averages.
* @param window the window to set
*/
public void setWindow(long window) {
this.window = window;
}
@Override
public MutableRetryStatistics create(String name) {
ExponentialAverageRetryStatistics stats = new ExponentialAverageRetryStatistics(name);
stats.setWindow(window);
return stats;
}
}