@Override
public Datum deserialize(JsonElement json, Type typeOfT,
JsonDeserializationContext context) throws JsonParseException {
JsonObject jsonObject = json.getAsJsonObject();
String typeStr = CommonGsonHelper.getOrDie(jsonObject, "type").getAsString();
org.apache.tajo.type.Type type = TypeStringEncoder.decode(typeStr);
switch (type.kind()) {
case DATE:
return new DateDatum(CommonGsonHelper.getOrDie(jsonObject, "value").getAsInt());
case TIME:
return new TimeDatum(CommonGsonHelper.getOrDie(jsonObject, "value").getAsLong());
case TIMESTAMP:
return new TimestampDatum(CommonGsonHelper.getOrDie(jsonObject, "value").getAsLong());
case INTERVAL:
String[] values = CommonGsonHelper.getOrDie(jsonObject, "value").getAsString().split(",");
return new IntervalDatum(Integer.parseInt(values[0]), Long.parseLong(values[1]));
case ANY:
return new AnyDatum(deserialize(CommonGsonHelper.getOrDie(jsonObject, "actual"), typeOfT, context));
default:
return context.deserialize(CommonGsonHelper.getOrDie(jsonObject, "body"),
DatumFactory.getDatumClass(TajoDataTypes.Type.valueOf(type.kind().name())));
}
}