/*
* 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.accumulo.core.file.keyfunctor;
import org.apache.accumulo.core.data.ByteSequence;
import org.apache.accumulo.core.data.PartialKey;
import org.apache.accumulo.core.data.Range;
import org.apache.hadoop.util.bloom.Key;
public class ColumnFamilyFunctor implements KeyFunctor {
public static final PartialKey kDepth = PartialKey.ROW_COLFAM;
@Override
public Key transform(org.apache.accumulo.core.data.Key acuKey) {
byte keyData[];
ByteSequence row = acuKey.getRowData();
ByteSequence cf = acuKey.getColumnFamilyData();
keyData = new byte[row.length() + cf.length()];
System.arraycopy(row.getBackingArray(), row.offset(), keyData, 0, row.length());
System.arraycopy(cf.getBackingArray(), cf.offset(), keyData, row.length(), cf.length());
return new Key(keyData, 1.0);
}
@Override
public Key transform(Range range) {
if (RowFunctor.isRangeInBloomFilter(range, PartialKey.ROW_COLFAM)) {
return transform(range.getStartKey());
}
return null;
}
}