storm-client/src/jvm/org/apache/storm/trident/windowing/config/BaseWindowConfig.java

/**
 * 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 org.apache.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;
    }

    @Override
    public void validate() {
        if (slideLength > windowLength) {
            throw new IllegalArgumentException(
                "slideLength '" + slideLength + "' should always be less than windowLegth '" + windowLength + "'");
        }
    }
}