/*
* Copyright © 2015 Cask Data, Inc.
*
* Licensed 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 co.cask.cdap.data.stream;
import java.io.Closeable;
/**
* A {@link Closeable} that also provides timestamp when the actual close operation happened.
*/
public interface TimestampCloseable extends Closeable {
/**
* Returns timestamp in milliseconds when the close operation happened.
*
* @throws IllegalStateException if close operation hasn't been performed
*/
long getCloseTimestamp();
}