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/*
 * 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;

import org.apache.flink.annotation.Internal;
import org.apache.flink.runtime.state.VoidNamespace;
import org.apache.flink.streaming.api.operators.InternalTimerService;

/**
 * Implementation of {@link TimerService} that uses a {@link InternalTimerService}.
 */
@Internal
public class SimpleTimerService implements TimerService {

	private final InternalTimerService internalTimerService;

	public SimpleTimerService(InternalTimerService internalTimerService) {
		this.internalTimerService = internalTimerService;
	}

	@Override
	public long currentProcessingTime() {
		return internalTimerService.currentProcessingTime();
	}

	@Override
	public long currentWatermark() {
		return internalTimerService.currentWatermark();
	}

	@Override
	public void registerProcessingTimeTimer(long time) {
		internalTimerService.registerProcessingTimeTimer(VoidNamespace.INSTANCE, time);
	}

	@Override
	public void registerEventTimeTimer(long time) {
		internalTimerService.registerEventTimeTimer(VoidNamespace.INSTANCE, time);
	}

	@Override
	public void deleteProcessingTimeTimer(long time) {
		internalTimerService.deleteProcessingTimeTimer(VoidNamespace.INSTANCE, time);
	}

	@Override
	public void deleteEventTimeTimer(long time) {
		internalTimerService.deleteEventTimeTimer(VoidNamespace.INSTANCE, time);
	}
}