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.calcite.test;
  
  import org.apache.calcite.plan.RelOptCost;
  
  /**
   * MockRelOptCost is a mock implementation of the {@link RelOptCost} interface.
   * TODO: constructors for various scenarios
   */
  public class MockRelOptCost implements RelOptCost {
    //~ Methods ----------------------------------------------------------------
  
    @Override public boolean equals(Object obj) {
      return this == obj
          || obj instanceof MockRelOptCost
          && equals((MockRelOptCost) obj);
    }
  
    @Override public int hashCode() {
      return 1;
    }
  
    public double getCpu() {
      return 0;
    }
  
    public boolean isInfinite() {
      return false;
    }
  
    public double getIo() {
      return 0;
    }
  
    public boolean isLe(RelOptCost cost) {
      return true;
    }
  
    public boolean isLt(RelOptCost cost) {
      return false;
    }
  
    public double getRows() {
      return 0;
    }
  
    public boolean equals(RelOptCost cost) {
      return true;
    }
  
    public boolean isEqWithEpsilon(RelOptCost cost) {
      return true;
    }
  
    public RelOptCost minus(RelOptCost cost) {
      return this;
    }
  
    public RelOptCost multiplyBy(double factor) {
      return this;
    }
  
    public double divideBy(RelOptCost cost) {
      return 1;
    }
  
    public RelOptCost plus(RelOptCost cost) {
      return this;
    }
  
    public String toString() {
      return "MockRelOptCost(0)";
    }
  }
  