/*
* 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.beam.runners.core;
import org.apache.beam.runners.core.TimerInternals.TimerData;
import org.apache.beam.sdk.util.WindowedValue;
/**
* Interface that contains all the timers and elements associated with a specific work item.
*
* @param <K> the key type
* @param <ElemT> the element type
*/
public interface KeyedWorkItem<K, ElemT> {
/**
* Returns the key.
*/
K key();
/**
* Returns an iterable containing the timers.
*/
Iterable<TimerData> timersIterable();
/**
* Returns an iterable containing the elements.
*/
Iterable<WindowedValue<ElemT>> elementsIterable();
}