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.streams.state;
  
  import org.apache.kafka.streams.kstream.EmitStrategy;
  
  import java.time.Duration;
  import java.util.Objects;
  
  /**
   * {@code DslWindowParams} is a wrapper class for all parameters that function
   * as inputs to {@link DslStoreSuppliers#windowStore(DslWindowParams)}.
   */
  public class DslWindowParams {
  
      private final String name;
      private final Duration retentionPeriod;
      private final Duration windowSize;
      private final boolean retainDuplicates;
      private final EmitStrategy emitStrategy;
      private final boolean isSlidingWindow;
      private final boolean isTimestamped;
  
      /**
       * @param name             name of the store (cannot be {@code null})
       * @param retentionPeriod  length of time to retain data in the store (cannot be negative)
       *                         (note that the retention period must be at least long enough to contain the
       *                         windowed data's entire life cycle, from window-start through window-end,
       *                         and for the entire grace period)
       * @param windowSize       size of the windows (cannot be negative)
       * @param retainDuplicates whether to retain duplicates. Turning this on will automatically disable
       *                         caching and means that null values will be ignored.
       * @param emitStrategy     defines how to emit results
       * @param isSlidingWindow  whether the requested store is a sliding window
       * @param isTimestamped    whether the requested store should be timestamped (see {@link TimestampedWindowStore}
       */
      public DslWindowParams(
              final String name,
              final Duration retentionPeriod,
              final Duration windowSize,
              final boolean retainDuplicates,
              final EmitStrategy emitStrategy,
              final boolean isSlidingWindow,
              final boolean isTimestamped
      ) {
          this.isTimestamped = isTimestamped;
          Objects.requireNonNull(name);
          this.name = name;
          this.retentionPeriod = retentionPeriod;
          this.windowSize = windowSize;
          this.retainDuplicates = retainDuplicates;
          this.emitStrategy = emitStrategy;
          this.isSlidingWindow = isSlidingWindow;
      }
  
      public String name() {
          return name;
      }
  
      public Duration retentionPeriod() {
          return retentionPeriod;
      }
  
      public Duration windowSize() {
          return windowSize;
      }
  
      public boolean retainDuplicates() {
          return retainDuplicates;
      }
  
      public EmitStrategy emitStrategy() {
          return emitStrategy;
      }
  
      public boolean isSlidingWindow() {
          return isSlidingWindow;
      }
  
      public boolean isTimestamped() {
          return isTimestamped;
      }
  
      @Override
      public boolean equals(final Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
          final DslWindowParams that = (DslWindowParams) o;
          return retainDuplicates == that.retainDuplicates
                  && Objects.equals(name, that.name)
                  && Objects.equals(retentionPeriod, that.retentionPeriod)
                  && Objects.equals(windowSize, that.windowSize)
                  && Objects.equals(emitStrategy, that.emitStrategy)
                  && Objects.equals(isSlidingWindow, that.isSlidingWindow)
                  && Objects.equals(isTimestamped, that.isTimestamped);
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(
                  name,
                  retentionPeriod,
                  windowSize,
                  retainDuplicates,
                  emitStrategy,
                  isSlidingWindow,
                  isTimestamped
          );
      }
  
      @Override
      public String toString() {
          return "DslWindowParams{" +
                  "name='" + name + '\'' +
                  ", retentionPeriod=" + retentionPeriod +
                  ", windowSize=" + windowSize +
                  ", retainDuplicates=" + retainDuplicates +
                  ", emitStrategy=" + emitStrategy +
                  ", isSlidingWindow=" + isSlidingWindow +
                  ", isTimestamped=" + isTimestamped +
                  '}';
      }
  }