@Test
public void testDecode() throws Exception {
CubeDesc cubeDesc =
CubeManager.getInstance(getTestConfig())
.getCube("test_kylin_cube_with_slr_ready")
.getDescriptor();
HBaseColumnDesc hbaseCol = cubeDesc.getHbaseMapping().getColumnFamily()[0].getColumns()[0];
MeasureCodec codec = new MeasureCodec(hbaseCol.getMeasures());
BigDecimal sum = new BigDecimal("333.1234567");
BigDecimal min = new BigDecimal("333.1111111");
BigDecimal max = new BigDecimal("333.1999999");
LongMutable count = new LongMutable(2);
LongMutable item_count = new LongMutable(100);
ByteBuffer buf = ByteBuffer.allocate(RowConstants.ROWVALUE_BUFFER_SIZE);
codec.encode(new Object[] {sum, min, max, count, item_count}, buf);
buf.flip();
byte[] valueBytes = new byte[buf.limit()];
System.arraycopy(buf.array(), 0, valueBytes, 0, buf.limit());
RowValueDecoder rowValueDecoder = new RowValueDecoder(hbaseCol);
for (MeasureDesc measure : cubeDesc.getMeasures()) {
FunctionDesc aggrFunc = measure.getFunction();
int index = hbaseCol.findMeasure(aggrFunc);
rowValueDecoder.setProjectIndex(index);
}
rowValueDecoder.decodeAndConvertJavaObj(valueBytes);
Object[] measureValues = rowValueDecoder.getValues();
// BigDecimal.ROUND_HALF_EVEN in BigDecimalSerializer
assertEquals("[333.1235, 333.1111, 333.2000, 2, 100]", Arrays.toString(measureValues));
}
@Test(expected = IllegalArgumentException.class)
public void testError() throws Exception {
CubeDesc cubeDesc =
CubeManager.getInstance(getTestConfig())
.getCube("test_kylin_cube_with_slr_ready")
.getDescriptor();
HBaseColumnDesc hbaseCol = cubeDesc.getHbaseMapping().getColumnFamily()[0].getColumns()[0];
MeasureCodec codec = new MeasureCodec(hbaseCol.getMeasures());
BigDecimal sum = new BigDecimal("11111111111111111111333.1234567");
BigDecimal min = new BigDecimal("333.1111111");
BigDecimal max = new BigDecimal("333.1999999");
LongWritable count = new LongWritable(2);
LongMutable item_count = new LongMutable(100);
ByteBuffer buf = ByteBuffer.allocate(RowConstants.ROWVALUE_BUFFER_SIZE);
codec.encode(new Object[] {sum, min, max, count, item_count}, buf);
}