content: /*
   * 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 NeverSpeculativeRetryPolicy implements SpeculativeRetryPolicy
  {
      public static final NeverSpeculativeRetryPolicy INSTANCE = new NeverSpeculativeRetryPolicy();
  
      private NeverSpeculativeRetryPolicy()
      {
      }
  
      @Override
      public long calculateThreshold(SnapshottingTimer latency, long existingValue)
      {
          return Long.MAX_VALUE;
      }
  
      @Override
      public Kind kind()
      {
          return Kind.NEVER;
      }
  
      @Override
      public boolean equals(Object obj)
      {
          return obj instanceof NeverSpeculativeRetryPolicy;
      }
  
      @Override
      public int hashCode()
      {
          return Objects.hashCode(kind());
      }
  
      @Override
      public String toString()
      {
          return Kind.NEVER.toString();
      }
  
      static boolean stringMatches(String str)
      {
          return str.equalsIgnoreCase("NEVER") || str.equalsIgnoreCase("NONE");
      }
  }
  