/**
* 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.flink.streaming.api.functions.windowing;
import org.apache.flink.annotation.Internal;
import org.apache.flink.api.common.state.KeyedStateStore;
import org.apache.flink.streaming.api.windowing.windows.Window;
/**
* Internal reusable context wrapper.
*
* @param <IN> The type of the input value.
* @param <OUT> The type of the output value.
* @param <KEY> The type of the window key.
* @param <W> The type of the window.
*/
@Internal
public class InternalProcessApplyWindowContext<IN, OUT, KEY, W extends Window>
extends ProcessWindowFunction<IN, OUT, KEY, W>.Context {
W window;
ProcessWindowFunction.Context context;
InternalProcessApplyWindowContext(ProcessWindowFunction<IN, OUT, KEY, W> function) {
function.super();
}
@Override
public W window() {
return window;
}
@Override
public long currentProcessingTime() {
return context.currentProcessingTime();
}
@Override
public long currentWatermark() {
return context.currentWatermark();
}
public KeyedStateStore windowState() {
return context.windowState();
}
@Override
public KeyedStateStore globalState() {
return context.globalState();
}
}