| /* |
| * 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.service.reads; |
| |
| import com.google.common.base.Objects; |
| |
| import org.apache.cassandra.metrics.SnapshottingTimer; |
| |
| public class AlwaysSpeculativeRetryPolicy implements SpeculativeRetryPolicy |
| { |
| public static final AlwaysSpeculativeRetryPolicy INSTANCE = new AlwaysSpeculativeRetryPolicy(); |
| |
| private AlwaysSpeculativeRetryPolicy() |
| { |
| } |
| |
| @Override |
| public long calculateThreshold(SnapshottingTimer latency, long existingValue) |
| { |
| return 0; |
| } |
| |
| @Override |
| public Kind kind() |
| { |
| return Kind.ALWAYS; |
| } |
| |
| @Override |
| public boolean equals(Object obj) |
| { |
| return obj instanceof AlwaysSpeculativeRetryPolicy; |
| } |
| |
| @Override |
| public int hashCode() |
| { |
| return Objects.hashCode(kind()); |
| } |
| |
| @Override |
| public String toString() |
| { |
| return Kind.ALWAYS.toString(); |
| } |
| |
| static boolean stringMatches(String str) |
| { |
| return str.equalsIgnoreCase("ALWAYS"); |
| } |
| } |