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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.mapreduce;
import java.io.IOException;
import java.util.List;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.Tag;
import org.apache.hadoop.util.ReflectionUtils;
/**
* Facade to create Cells for HFileOutputFormat. The created Cells are of Put type.
*/
@InterfaceAudience.Public
public class CellCreator {
public static final String VISIBILITY_EXP_RESOLVER_CLASS =
"hbase.mapreduce.visibility.expression.resolver.class";
private VisibilityExpressionResolver visExpResolver;
public CellCreator(Configuration conf) {
Class extends VisibilityExpressionResolver> clazz = conf.getClass(
VISIBILITY_EXP_RESOLVER_CLASS, DefaultVisibilityExpressionResolver.class,
VisibilityExpressionResolver.class);
this.visExpResolver = ReflectionUtils.newInstance(clazz, conf);
this.visExpResolver.init();
}
/**
* @param row row key
* @param roffset row offset
* @param rlength row length
* @param family family name
* @param foffset family offset
* @param flength family length
* @param qualifier column qualifier
* @param qoffset qualifier offset
* @param qlength qualifier length
* @param timestamp version timestamp
* @param value column value
* @param voffset value offset
* @param vlength value length
* @return created Cell
* @throws IOException
*/
public Cell create(byte[] row, int roffset, int rlength, byte[] family, int foffset, int flength,
byte[] qualifier, int qoffset, int qlength, long timestamp, byte[] value, int voffset,
int vlength) throws IOException {
return create(row, roffset, rlength, family, foffset, flength, qualifier, qoffset, qlength,
timestamp, value, voffset, vlength, (List)null);
}
/**
* @param row row key
* @param roffset row offset
* @param rlength row length
* @param family family name
* @param foffset family offset
* @param flength family length
* @param qualifier column qualifier
* @param qoffset qualifier offset
* @param qlength qualifier length
* @param timestamp version timestamp
* @param value column value
* @param voffset value offset
* @param vlength value length
* @param visExpression visibility expression to be associated with cell
* @return created Cell
* @throws IOException
*/
@Deprecated
public Cell create(byte[] row, int roffset, int rlength, byte[] family, int foffset, int flength,
byte[] qualifier, int qoffset, int qlength, long timestamp, byte[] value, int voffset,
int vlength, String visExpression) throws IOException {
List visTags = null;
if (visExpression != null) {
visTags = this.visExpResolver.createVisibilityExpTags(visExpression);
}
return new KeyValue(row, roffset, rlength, family, foffset, flength, qualifier, qoffset,
qlength, timestamp, KeyValue.Type.Put, value, voffset, vlength, visTags);
}
/**
* @param row row key
* @param roffset row offset
* @param rlength row length
* @param family family name
* @param foffset family offset
* @param flength family length
* @param qualifier column qualifier
* @param qoffset qualifier offset
* @param qlength qualifier length
* @param timestamp version timestamp
* @param value column value
* @param voffset value offset
* @param vlength value length
* @param tags
* @return created Cell
* @throws IOException
*/
public Cell create(byte[] row, int roffset, int rlength, byte[] family, int foffset, int flength,
byte[] qualifier, int qoffset, int qlength, long timestamp, byte[] value, int voffset,
int vlength, List tags) throws IOException {
return new KeyValue(row, roffset, rlength, family, foffset, flength, qualifier, qoffset,
qlength, timestamp, KeyValue.Type.Put, value, voffset, vlength, tags);
}
/**
* @return Visibility expression resolver
*/
public VisibilityExpressionResolver getVisibilityExpressionResolver() {
return this.visExpResolver;
}
}