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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.codec.prefixtree.row.data;
import java.util.List;
import org.apache.hadoop.hbase.Cell;
import org.apache.hadoop.hbase.CellComparator;
import org.apache.hadoop.hbase.KeyValue;
import org.apache.hadoop.hbase.codec.prefixtree.row.BaseTestRowData;
import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellScannerPosition;
import org.apache.hadoop.hbase.codec.prefixtree.scanner.CellSearcher;
import org.apache.hadoop.hbase.util.Bytes;
import org.junit.Assert;
import com.google.common.collect.Lists;
public class TestRowDataSearcherRowMiss extends BaseTestRowData{
static byte[]
//don't let the rows share any common prefix bytes
A = Bytes.toBytes("A"),
AA = Bytes.toBytes("AA"),
AAA = Bytes.toBytes("AAA"),
B = Bytes.toBytes("B"),
cf = Bytes.toBytes("fam"),
cq = Bytes.toBytes("cq0"),
v = Bytes.toBytes("v0");
static long
ts = 55L;
static List<KeyValue> d = Lists.newArrayList();
static{
d.add(new KeyValue(A, cf, cq, ts, v));
d.add(new KeyValue(AA, cf, cq, ts, v));
d.add(new KeyValue(AAA, cf, cq, ts, v));
d.add(new KeyValue(B, cf, cq, ts, v));
}
@Override
public List<KeyValue> getInputs() {
return d;
}
@Override
public void individualSearcherAssertions(CellSearcher searcher) {
assertRowOffsetsCorrect();
searcher.resetToBeforeFirstEntry();
//test first cell
searcher.advance();
Cell first = searcher.current();
Assert.assertTrue(CellComparator.equals(d.get(0), first));
//test first cell in second row
Assert.assertTrue(searcher.positionAt(d.get(1)));
Assert.assertTrue(CellComparator.equals(d.get(1), searcher.current()));
testBetween1and2(searcher);
testBetween2and3(searcher);
}
/************ private methods, call from above *******************/
private void assertRowOffsetsCorrect(){
Assert.assertEquals(4, getRowStartIndexes().size());
}
private void testBetween1and2(CellSearcher searcher){
CellScannerPosition p;//reuse
Cell betweenAAndAAA = new KeyValue(AA, cf, cq, ts-2, v);
//test exact
Assert.assertFalse(searcher.positionAt(betweenAAndAAA));
//test atOrBefore
p = searcher.positionAtOrBefore(betweenAAndAAA);
Assert.assertEquals(CellScannerPosition.BEFORE, p);
Assert.assertTrue(CellComparator.equals(searcher.current(), d.get(1)));
//test atOrAfter
p = searcher.positionAtOrAfter(betweenAAndAAA);
Assert.assertEquals(CellScannerPosition.AFTER, p);
Assert.assertTrue(CellComparator.equals(searcher.current(), d.get(2)));
}
private void testBetween2and3(CellSearcher searcher){
CellScannerPosition p;//reuse
Cell betweenAAAndB = new KeyValue(AAA, cf, cq, ts-2, v);
//test exact
Assert.assertFalse(searcher.positionAt(betweenAAAndB));
//test atOrBefore
p = searcher.positionAtOrBefore(betweenAAAndB);
Assert.assertEquals(CellScannerPosition.BEFORE, p);
Assert.assertTrue(CellComparator.equals(searcher.current(), d.get(2)));
//test atOrAfter
p = searcher.positionAtOrAfter(betweenAAAndB);
Assert.assertEquals(CellScannerPosition.AFTER, p);
Assert.assertTrue(CellComparator.equals(searcher.current(), d.get(3)));
}
}