/** * 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.cassandra.locator; import java.net.InetAddress; import java.util.ArrayList; import java.util.Collection; import java.util.List; /** * A simple endpoint snitch implementation that treats Strategy order as proximity, * allowing non-read-repaired reads to prefer a single endpoint, which improves * cache locality. */ public class SimpleSnitch extends AbstractEndpointSnitch { public String getRack(InetAddress endpoint) { return "rack1"; } public String getDatacenter(InetAddress endpoint) { return "datacenter1"; } public List<InetAddress> getSortedListByProximity(final InetAddress address, Collection<InetAddress> addresses) { return new ArrayList<InetAddress>(addresses); } public void sortByProximity(final InetAddress address, List<InetAddress> addresses) { } }