org.apache.cxf.clustering.RandomStrategy Maven / Gradle / Ivy
/**
* 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.
*/
package org.apache.cxf.clustering;
import java.util.List;
import java.util.Random;
/**
* Failover strategy based on a randomized walk through the
* static cluster represented by multiple endpoints associated
* with the same service instance.
*/
public class RandomStrategy extends AbstractStaticFailoverStrategy {
private Random random;
/**
* Constructor.
*/
public RandomStrategy() {
random = new Random();
}
/**
* Get next alternate endpoint.
*
* @param alternates non-empty List of alternate endpoints
* @return
*/
protected T getNextAlternate(List alternates) {
return alternates.remove(random.nextInt(alternates.size()));
}
}