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* distributed with this work for additional information
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* 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,
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* See the License for the specific language governing permissions and
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package org.apache.hadoop.hbase.codec.prefixtree.row.data;
import java.io.IOException;
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.apache.hadoop.hbase.util.CollectionUtils;
import org.junit.Assert;
import com.google.common.collect.Lists;
public class TestRowDataSimple extends BaseTestRowData {
static byte[]
// don't let the rows share any common prefix bytes
rowA = Bytes.toBytes("Arow"),
rowB = Bytes.toBytes("Brow"), cf = Bytes.toBytes("fam"),
cq0 = Bytes.toBytes("cq0"),
cq1 = Bytes.toBytes("cq1tail"),// make sure tail does not come back as liat
cq2 = Bytes.toBytes("dcq2"),// start with a different character
v0 = Bytes.toBytes("v0");
static long ts = 55L;
static List<KeyValue> d = Lists.newArrayList();
static {
d.add(new KeyValue(rowA, cf, cq0, ts, v0));
d.add(new KeyValue(rowA, cf, cq1, ts, v0));
d.add(new KeyValue(rowA, cf, cq2, ts, v0));
d.add(new KeyValue(rowB, cf, cq0, ts, v0));
d.add(new KeyValue(rowB, cf, cq1, ts, v0));
d.add(new KeyValue(rowB, cf, cq2, ts, v0));
}
@Override
public List<KeyValue> getInputs() {
return d;
}
@Override
public void individualSearcherAssertions(CellSearcher searcher) {
CellScannerPosition p;// reuse
searcher.resetToBeforeFirstEntry();
// test first cell
try {
searcher.advance();
} catch (IOException e) {
throw new RuntimeException(e);
}
Cell first = searcher.current();
Assert.assertTrue(CellComparator.equals(d.get(0), first));
// test first cell in second row
Assert.assertTrue(searcher.positionAt(d.get(3)));
Assert.assertTrue(CellComparator.equals(d.get(3), searcher.current()));
Cell between4And5 = new KeyValue(rowB, cf, cq1, ts - 2, v0);
// test exact
Assert.assertFalse(searcher.positionAt(between4And5));
// test atOrBefore
p = searcher.positionAtOrBefore(between4And5);
Assert.assertEquals(CellScannerPosition.BEFORE, p);
Assert.assertTrue(CellComparator.equals(searcher.current(), d.get(4)));
// test atOrAfter
p = searcher.positionAtOrAfter(between4And5);
Assert.assertEquals(CellScannerPosition.AFTER, p);
Assert.assertTrue(CellComparator.equals(searcher.current(), d.get(5)));
// test when key falls before first key in block
Cell beforeFirst = new KeyValue(Bytes.toBytes("A"), cf, cq0, ts, v0);
Assert.assertFalse(searcher.positionAt(beforeFirst));
p = searcher.positionAtOrBefore(beforeFirst);
Assert.assertEquals(CellScannerPosition.BEFORE_FIRST, p);
p = searcher.positionAtOrAfter(beforeFirst);
Assert.assertEquals(CellScannerPosition.AFTER, p);
Assert.assertTrue(CellComparator.equals(searcher.current(), d.get(0)));
Assert.assertEquals(d.get(0), searcher.current());
// test when key falls after last key in block
Cell afterLast = new KeyValue(Bytes.toBytes("z"), cf, cq0, ts, v0);// must be lower case z
Assert.assertFalse(searcher.positionAt(afterLast));
p = searcher.positionAtOrAfter(afterLast);
Assert.assertEquals(CellScannerPosition.AFTER_LAST, p);
p = searcher.positionAtOrBefore(afterLast);
Assert.assertEquals(CellScannerPosition.BEFORE, p);
Assert.assertTrue(CellComparator.equals(searcher.current(), CollectionUtils.getLast(d)));
}
}