org.apache.hadoop.hbase.util.MapReduceExtendedCell Maven / Gradle / Ivy
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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.hadoop.hbase.util;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import org.apache.hadoop.hbase.ByteBufferExtendedCell;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellUtil;
import org.apache.hadoop.hbase.ExtendedCell;
import org.apache.hadoop.hbase.PrivateCellUtil;
import org.apache.yetus.audience.InterfaceAudience;
/**
* A wrapper for a cell to be used with mapreduce, as the output value class for mappers/reducers.
*/
@InterfaceAudience.Private
public class MapReduceExtendedCell extends ByteBufferExtendedCell {
private final Cell cell;
public MapReduceExtendedCell(Cell cell) {
this.cell = cell;
}
@Override
public byte[] getRowArray() {
return this.cell.getRowArray();
}
@Override
public int getRowOffset() {
return this.cell.getRowOffset();
}
@Override
public short getRowLength() {
return this.cell.getRowLength();
}
@Override
public byte[] getFamilyArray() {
return this.cell.getFamilyArray();
}
@Override
public int getFamilyOffset() {
return this.cell.getFamilyOffset();
}
@Override
public byte getFamilyLength() {
return this.cell.getFamilyLength();
}
@Override
public byte[] getQualifierArray() {
return this.cell.getQualifierArray();
}
@Override
public int getQualifierOffset() {
return this.cell.getQualifierOffset();
}
@Override
public int getQualifierLength() {
return this.cell.getQualifierLength();
}
@Override
public long getTimestamp() {
return this.cell.getTimestamp();
}
@Override
public byte getTypeByte() {
return this.cell.getTypeByte();
}
@Override
public long getSequenceId() {
return this.cell.getSequenceId();
}
@Override
public byte[] getValueArray() {
return this.cell.getValueArray();
}
@Override
public int getValueOffset() {
return this.cell.getValueOffset();
}
@Override
public int getValueLength() {
return this.cell.getValueLength();
}
@Override
public byte[] getTagsArray() {
return this.cell.getTagsArray();
}
@Override
public int getTagsOffset() {
return this.cell.getTagsOffset();
}
@Override
public int getTagsLength() {
return this.cell.getTagsLength();
}
@Override
public ByteBuffer getRowByteBuffer() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getRowByteBuffer();
} else {
return ByteBuffer.wrap(CellUtil.cloneRow(this.cell));
}
}
@Override
public int getRowPosition() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getRowPosition();
} else {
return 0;
}
}
@Override
public ByteBuffer getFamilyByteBuffer() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getFamilyByteBuffer();
} else {
return ByteBuffer.wrap(CellUtil.cloneFamily(this.cell));
}
}
@Override
public int getFamilyPosition() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getFamilyPosition();
} else {
return 0;
}
}
@Override
public ByteBuffer getQualifierByteBuffer() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getQualifierByteBuffer();
} else {
return ByteBuffer.wrap(CellUtil.cloneQualifier(this.cell));
}
}
@Override
public int getQualifierPosition() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getQualifierPosition();
} else {
return 0;
}
}
@Override
public ByteBuffer getValueByteBuffer() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getValueByteBuffer();
} else {
return ByteBuffer.wrap(CellUtil.cloneValue(this.cell));
}
}
@Override
public int getValuePosition() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getValuePosition();
} else {
return 0;
}
}
@Override
public ByteBuffer getTagsByteBuffer() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getTagsByteBuffer();
} else {
return ByteBuffer.wrap(CellUtil.cloneTags(this.cell));
}
}
@Override
public int getTagsPosition() {
if (cell instanceof ByteBufferExtendedCell) {
return ((ByteBufferExtendedCell) this.cell).getTagsPosition();
} else {
return 0;
}
}
@Override
public String toString() {
return this.cell.toString();
}
@Override
public void setSequenceId(long seqId) throws IOException {
PrivateCellUtil.setSequenceId(cell, seqId);
}
@Override
public void setTimestamp(long ts) throws IOException {
PrivateCellUtil.setTimestamp(cell, ts);
}
@Override
public void setTimestamp(byte[] ts) throws IOException {
PrivateCellUtil.setTimestamp(cell, ts);
}
@Override
public long heapSize() {
return PrivateCellUtil.estimatedSizeOfCell(cell);
}
@Override
public int write(OutputStream out, boolean withTags) throws IOException {
return PrivateCellUtil.writeCell(cell, out, withTags);
}
@Override
public int getSerializedSize(boolean withTags) {
return PrivateCellUtil.estimatedSerializedSizeOf(cell) - Bytes.SIZEOF_INT;
}
@Override
public void write(ByteBuffer buf, int offset) {
PrivateCellUtil.writeCellToBuffer(cell, buf, offset);
}
@Override
public ExtendedCell deepClone() {
try {
return (ExtendedCell) PrivateCellUtil.deepClone(cell);
} catch (CloneNotSupportedException e) {
throw new RuntimeException(e);
}
}
}