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.kafka.common.metrics;
  
  /**
   * An upper or lower bound for metrics
   */
  public final class Quota {
  
      private final boolean upper;
      private final double bound;
  
      public Quota(double bound, boolean upper) {
          this.bound = bound;
          this.upper = upper;
      }
  
      public static Quota upperBound(double upperBound) {
          return new Quota(upperBound, true);
      }
  
      public static Quota lowerBound(double lowerBound) {
          return new Quota(lowerBound, false);
      }
  
      public boolean isUpperBound() {
          return this.upper;
      }
  
      public double bound() {
          return this.bound;
      }
  
      public boolean acceptable(double value) {
          return (upper && value <= bound) || (!upper && value >= bound);
      }
  
      @Override
      public int hashCode() {
          final int prime = 31;
          int result = 1;
          result = prime * result + (int) this.bound;
          result = prime * result + (this.upper ? 1 : 0);
          return result;
      }
  
      @Override
      public boolean equals(Object obj) {
          if (this == obj)
              return true;
          if (!(obj instanceof Quota))
              return false;
          Quota that = (Quota) obj;
          return (that.bound == this.bound) && (that.upper == this.upper);
      }
  
      @Override
      public String toString() {
          return (upper ? "upper=" : "lower=") + bound;
      }
  }
  