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
   * <p/>
   * http://www.apache.org/licenses/LICENSE-2.0
   * <p/>
   * 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 storm.trident.windowing.config;
  
  public abstract class BaseWindowConfig implements WindowConfig {
      protected final int windowLength;
      protected final int slideLength;
  
      protected BaseWindowConfig(int windowLength, int slideLength) {
          this.windowLength = windowLength;
          this.slideLength = slideLength;
      }
  
      @Override
      public int getWindowLength() {
          return windowLength;
      }
  
      @Override
      public int getSlidingLength() {
          return slideLength;
      }
  
      public void validate() {
          if (slideLength > windowLength) {
              throw new IllegalArgumentException("slideLength '" + slideLength +
                      "' should always be less than windowLegth '" + windowLength + "'");
          }
      }
  }
  