/**
* 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.hadoop.hbase.regionserver.compactions;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
/**
* Base class for compaction window implementation.
*/
@InterfaceAudience.Private
public abstract class CompactionWindow {
/**
* Compares the window to a timestamp.
* @param timestamp the timestamp to compare.
* @return a negative integer, zero, or a positive integer as the window lies before, covering, or
* after than the timestamp.
*/
public abstract int compareToTimestamp(long timestamp);
/**
* Move to the new window of the same tier or of the next tier, which represents an earlier time
* span.
* @return The next earlier window
*/
public abstract CompactionWindow nextEarlierWindow();
/**
* Inclusive lower bound
*/
public abstract long startMillis();
/**
* Exclusive upper bound
*/
public abstract long endMillis();
@Override
public String toString() {
return "[" + startMillis() + ", " + endMillis() + ")";
}
}