Examples with OffheapDecodedCell org.apache.hadoop.hbase.io.encoding.BufferedDataBlockEncoder.OffheapDecodedCell used on opensource projects

Example 1 with OffheapDecodedCell

use of org.apache.hadoop.hbase.io.encoding.BufferedDataBlockEncoder.OffheapDecodedCell in project hbase by apache.

the class TestBufferedDataBlockEncoder method testKVCodecWithTagsForDecodedCellsWithNoTags.

@Test
public void testKVCodecWithTagsForDecodedCellsWithNoTags() throws Exception {
    KeyValue kv1 = new KeyValue(Bytes.toBytes("r"), Bytes.toBytes("f"), Bytes.toBytes("1"), HConstants.LATEST_TIMESTAMP, Bytes.toBytes("1"));
    // kv1.getKey() return a copy of the Key bytes which starts from RK_length. Means from offsets,
    // we need to reduce the KL and VL parts.
    OnheapDecodedCell c1 = new OnheapDecodedCell(kv1.getKey(), kv1.getRowLength(), kv1.getFamilyOffset() - KeyValue.ROW_OFFSET, kv1.getFamilyLength(), kv1.getQualifierOffset() - KeyValue.ROW_OFFSET, kv1.getQualifierLength(), kv1.getTimestamp(), kv1.getTypeByte(), kv1.getValueArray(), kv1.getValueOffset(), kv1.getValueLength(), kv1.getSequenceId(), kv1.getTagsArray(), kv1.getTagsOffset(), kv1.getTagsLength());
    KeyValue kv2 = new KeyValue(Bytes.toBytes("r2"), Bytes.toBytes("f"), Bytes.toBytes("2"), HConstants.LATEST_TIMESTAMP, Bytes.toBytes("2"));
    OnheapDecodedCell c2 = new OnheapDecodedCell(kv2.getKey(), kv2.getRowLength(), kv2.getFamilyOffset() - KeyValue.ROW_OFFSET, kv2.getFamilyLength(), kv2.getQualifierOffset() - KeyValue.ROW_OFFSET, kv2.getQualifierLength(), kv2.getTimestamp(), kv2.getTypeByte(), kv2.getValueArray(), kv2.getValueOffset(), kv2.getValueLength(), kv2.getSequenceId(), kv2.getTagsArray(), kv2.getTagsOffset(), kv2.getTagsLength());
    KeyValue kv3 = new KeyValue(Bytes.toBytes("r3"), Bytes.toBytes("cf"), Bytes.toBytes("qual"), HConstants.LATEST_TIMESTAMP, Bytes.toBytes("3"));
    OffheapDecodedCell c3 = new OffheapDecodedCell(ByteBuffer.wrap(kv2.getKey()), kv2.getRowLength(), kv2.getFamilyOffset() - KeyValue.ROW_OFFSET, kv2.getFamilyLength(), kv2.getQualifierOffset() - KeyValue.ROW_OFFSET, kv2.getQualifierLength(), kv2.getTimestamp(), kv2.getTypeByte(), ByteBuffer.wrap(kv2.getValueArray()), kv2.getValueOffset(), kv2.getValueLength(), kv2.getSequenceId(), ByteBuffer.wrap(kv2.getTagsArray()), kv2.getTagsOffset(), kv2.getTagsLength());
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    KeyValueCodecWithTags codec = new KeyValueCodecWithTags();
    Encoder encoder = codec.getEncoder(os);
    encoder.write(c1);
    encoder.write(c2);
    encoder.write(c3);
    ByteArrayInputStream is = new ByteArrayInputStream(os.toByteArray());
    Decoder decoder = codec.getDecoder(is);
    assertTrue(decoder.advance());
    assertTrue(CellUtil.equals(c1, decoder.current()));
    assertTrue(decoder.advance());
    assertTrue(CellUtil.equals(c2, decoder.current()));
    assertTrue(decoder.advance());
    assertTrue(CellUtil.equals(c3, decoder.current()));
    assertFalse(decoder.advance());
}