public void testRW() throws Exception { Configuration conf = new Configuration(); for (Pair<Properties, HCatRecord> e : getData()) { Properties tblProps = e.first; HCatRecord r = e.second; HCatRecordSerDe hrsd = new HCatRecordSerDe(); SerDeUtils.initializeSerDe(hrsd, conf, tblProps, null); JsonSerDe jsde = new JsonSerDe(); SerDeUtils.initializeSerDe(jsde, conf, tblProps, null); LOG.info("ORIG:{}", r); Writable s = hrsd.serialize(r, hrsd.getObjectInspector()); LOG.info("ONE:{}", s); Object o1 = hrsd.deserialize(s); StringBuilder msg = new StringBuilder(); boolean isEqual = HCatDataCheckUtil.recordsEqual(r, (HCatRecord) o1); assertTrue(msg.toString(), isEqual); Writable s2 = jsde.serialize(o1, hrsd.getObjectInspector()); LOG.info("TWO:{}", s2); Object o2 = jsde.deserialize(s2); LOG.info("deserialized TWO : {} ", o2); msg.setLength(0); isEqual = HCatDataCheckUtil.recordsEqual(r, (HCatRecord) o2, msg); assertTrue(msg.toString(), isEqual); } }
public void testRW() throws Exception { Configuration conf = new Configuration(); for (Entry<Properties, HCatRecord> e : getData().entrySet()) { Properties tblProps = e.getKey(); HCatRecord r = e.getValue(); HCatRecordSerDe hrsd = new HCatRecordSerDe(); SerDeUtils.initializeSerDe(hrsd, conf, tblProps, null); LOG.info("ORIG: {}", r); Writable s = hrsd.serialize(r, hrsd.getObjectInspector()); LOG.info("ONE: {}", s); HCatRecord r2 = (HCatRecord) hrsd.deserialize(s); Assert.assertTrue(HCatDataCheckUtil.recordsEqual(r, r2)); // If it went through correctly, then s is also a HCatRecord, // and also equal to the above, and a deepcopy, and this holds // through for multiple levels more of serialization as well. Writable s2 = hrsd.serialize(s, hrsd.getObjectInspector()); LOG.info("TWO: {}", s2); Assert.assertTrue(HCatDataCheckUtil.recordsEqual(r, (HCatRecord) s)); Assert.assertTrue(HCatDataCheckUtil.recordsEqual(r, (HCatRecord) s2)); // serialize using another serde, and read out that object repr. LazySimpleSerDe testSD = new LazySimpleSerDe(); SerDeUtils.initializeSerDe(testSD, conf, tblProps, null); Writable s3 = testSD.serialize(s, hrsd.getObjectInspector()); LOG.info("THREE: {}", s3); Object o3 = testSD.deserialize(s3); Assert.assertFalse(r.getClass().equals(o3.getClass())); // then serialize again using hrsd, and compare results HCatRecord s4 = (HCatRecord) hrsd.serialize(o3, testSD.getObjectInspector()); LOG.info("FOUR: {}", s4); // Test LazyHCatRecord init and read LazyHCatRecord s5 = new LazyHCatRecord(o3, testSD.getObjectInspector()); LOG.info("FIVE: {}", s5); LazyHCatRecord s6 = new LazyHCatRecord(s4, hrsd.getObjectInspector()); LOG.info("SIX: {}", s6); } }