content: /*
   * Copyright 2022 The FeatHub Authors
   *
   * Licensed 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
   *
   *     https://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 com.alibaba.feathub.flink.udf;
  
  import java.io.Serializable;
  import java.time.Duration;
  import java.util.List;
  import java.util.Objects;
  
  /** Descriptor of a sliding window. */
  public class SlidingWindowDescriptor implements Serializable {
      public final Duration stepSize;
      public final List<String> groupByKeys;
  
      public SlidingWindowDescriptor(Duration stepSize, List<String> groupByKeys) {
          this.stepSize = stepSize;
          this.groupByKeys = groupByKeys;
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(stepSize, groupByKeys);
      }
  
      @Override
      public boolean equals(Object obj) {
          if (!(obj instanceof SlidingWindowDescriptor)) {
              return false;
          }
          SlidingWindowDescriptor descriptor = (SlidingWindowDescriptor) obj;
          return Objects.equals(this.stepSize, descriptor.stepSize)
                  && Objects.equals(this.groupByKeys, descriptor.groupByKeys);
      }
  }
  