/**
* 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;
import java.io.Serializable;
import storm.trident.windowing.strategy.WindowStrategy;
/**
* Windowing configuration with window and sliding length.
*/
public interface WindowConfig extends Serializable {
/**
* Returns the length of the window.
*/
int getWindowLength();
/**
* Returns the sliding length of the moving window.
*/
int getSlidingLength();
/**
* Gives the type of windowing. It can be any of {@code Type} values.
*/
<T> WindowStrategy<T> getWindowStrategy();
void validate();
enum Type {
SLIDING_COUNT,
TUMBLING_COUNT,
SLIDING_DURATION,
TUMBLING_DURATION
}
}