org.apache.hudi.org.apache.hadoop.hbase.regionserver.CellArrayMap Maven / Gradle / Ivy
/**
*
* 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, Cellersion 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 CellIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase.regionserver;
import java.util.Comparator;
import org.apache.hadoop.hbase.Cell;
import org.apache.yetus.audience.InterfaceAudience;
/**
* CellArrayMap is a simple array of Cells and cannot be allocated off-heap.
* As all java arrays CellArrayMap's array of references pointing to Cell objects.
*/
@InterfaceAudience.Private
public class CellArrayMap extends CellFlatMap {
private final Cell[] block;
/* The Cells Array is created only when CellArrayMap is created, all sub-CellBlocks use
* boundary indexes. The given Cell array must be ordered. */
public CellArrayMap(
Comparator comparator, Cell[] b, int min, int max, boolean descending) {
super(comparator,min,max,descending);
this.block = b;
}
/* To be used by base class only to create a sub-CellFlatMap */
@Override
protected CellFlatMap createSubCellFlatMap(int min, int max, boolean descending) {
return new CellArrayMap(comparator(), this.block, min, max, descending);
}
@Override
protected Cell getCell(int i) {
if( (i < minCellIdx) || (i >= maxCellIdx) ) return null;
return block[i];
}
}