/*
 * 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.windowing.time;

import org.apache.flink.streaming.api.TimeCharacteristic;

import java.util.concurrent.TimeUnit;

/**
 * The definition of a time interval for windowing. The time characteristic referred
 * to is the default time characteristic set on the execution environment.
 */
public final class Time extends AbstractTime {

	/** Instantiation only via factory method */
	private Time(long size, TimeUnit unit) {
		super(size, unit);
	}

	@Override
	public AbstractTime makeSpecificBasedOnTimeCharacteristic(TimeCharacteristic timeCharacteristic) {
		switch (timeCharacteristic) {
			case ProcessingTime:
				return ProcessingTime.of(getSize(), getUnit());
			case IngestionTime:
			case EventTime:
				return EventTime.of(getSize(), getUnit());
			default:
				throw new IllegalArgumentException("Unknown time characteristic");
		}
	}

	// ------------------------------------------------------------------------
	//  Factory
	// ------------------------------------------------------------------------

	/**
	 * Creates a time policy describing a processing time interval. The policy refers to the
	 * time characteristic that is set on the dataflow via
	 * {@link org.apache.flink.streaming.api.environment.StreamExecutionEnvironment#
	 * setStreamTimeCharacteristic(org.apache.flink.streaming.api.TimeCharacteristic)}.
	 *
	 * @param size The size of the generated windows.
	 * @param unit The init (seconds, milliseconds) of the time interval.
	 * @return The time policy.
	 */
	public static Time of(long size, TimeUnit unit) {
		return new Time(size, unit);
	}
}

@@ -1873,69 +1873,96 @@
 s a 
-time policy describing a processing time interval. The policy
+new %7B@link Time%7D of the given duration and %7B@link TimeUnit%7D.%0A%09 *%0A%09 * %3Cp%3EThe %7B@code Time%7D
  ref
@@ -1971,20 +1971,16 @@
 s to the
-%0A%09 *
  time ch
@@ -2219,73 +2219,362 @@
 The 
-size of the generated windows.%0A%09 * @param unit The init (
+duration of time.%0A%09 * @param unit The unit of time of the duration, for example %7B@code TimeUnit.SECONDS%7D.%0A%09 * @return The time policy.%0A%09 */%0A%09public static Time of(long size, TimeUnit unit) %7B%0A%09%09return new Time(size, unit);%0A%09%7D%0A%0A%09/**%0A%09 * Creates a new %7B@link Time%7D that represents the given number of milliseconds.%0A%09 */%0A%09public static Time milli
 seconds
-,
+(long
  mil
@@ -2588,143 +2588,728 @@
 ds) 
-of the time interval.%0A%09 * @return The time policy.%0A%09 */%0A%09public static Time of(long size, TimeUnit unit) %7B%0A%09%09return new Time(size, unit
+%7B%0A%09%09return of(milliseconds, TimeUnit.MILLISECONDS);%0A%09%7D%0A%0A%09/**%0A%09 * Creates a new %7B@link Time%7D that represents the given number of seconds.%0A%09 */%0A%09public static Time seconds(long seconds) %7B%0A%09%09return of(seconds, TimeUnit.SECONDS);%0A%09%7D%0A%0A%09/**%0A%09 * Creates a new %7B@link Time%7D that represents the given number of minutes.%0A%09 */%0A%09public static Time minutes(long minutes) %7B%0A%09%09return of(minutes, TimeUnit.MINUTES);%0A%09%7D%0A%0A%09/**%0A%09 * Creates a new %7B@link Time%7D that represents the given number of hours.%0A%09 */%0A%09public static Time hours(long hours) %7B%0A%09%09return of(hours, TimeUnit.HOURS);%0A%09%7D%0A%0A%09/**%0A%09 * Creates a new %7B@link Time%7D that represents the given number of days.%0A%09 */%0A%09public static Time days(long days) %7B%0A%09%09return of(days, TimeUnit.DAYS
 );%0A%09

Add shortcuts for creating Time objects