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.kstream.internals;
  
  import org.apache.kafka.streams.kstream.Window;
  
  /**
   * {@link UnlimitedWindow} is an "infinite" large window with a fixed (inclusive) start time.
   * All windows of the same {@link org.apache.kafka.streams.kstream.UnlimitedWindows window specification} will have the
   * same start time.
   * To make the window size "infinite" end time is set to {@link Long#MAX_VALUE}.
   * <p>
   * For time semantics, see {@link org.apache.kafka.streams.processor.TimestampExtractor TimestampExtractor}.
   *
   * @see TimeWindow
   * @see SessionWindow
   * @see org.apache.kafka.streams.kstream.UnlimitedWindows
   * @see org.apache.kafka.streams.processor.TimestampExtractor
   */
  public class UnlimitedWindow extends Window {
  
      /**
       * Create a new window for the given start time (inclusive).
       *
       * @param startMs the start timestamp of the window (inclusive)
       * @throws IllegalArgumentException if {@code start} is negative
       */
      public UnlimitedWindow(final long startMs) {
          super(startMs, Long.MAX_VALUE);
      }
  
      /**
       * Returns {@code true} if the given window is of the same type, because all unlimited windows overlap with each
       * other due to their infinite size.
       *
       * @param other another window
       * @return {@code true}
       * @throws IllegalArgumentException if the {@code other} window has a different type than {@code this} window
       */
      @Override
      public boolean overlap(final Window other) {
          if (getClass() != other.getClass()) {
              throw new IllegalArgumentException("Cannot compare windows of different type. Other window has type "
                  + other.getClass() + ".");
          }
          return true;
      }
  
  }
  