| package edu.uci.ics.asterix.runtime.aggregates.serializable.std; |
| |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import edu.uci.ics.asterix.common.config.GlobalConfig; |
| import edu.uci.ics.asterix.common.functions.FunctionConstants; |
| import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADoubleSerializerDeserializer; |
| import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AFloatSerializerDeserializer; |
| import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt16SerializerDeserializer; |
| import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt32SerializerDeserializer; |
| import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt64SerializerDeserializer; |
| import edu.uci.ics.asterix.dataflow.data.nontagged.serde.AInt8SerializerDeserializer; |
| import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider; |
| import edu.uci.ics.asterix.om.base.AMutableDouble; |
| import edu.uci.ics.asterix.om.base.AMutableFloat; |
| import edu.uci.ics.asterix.om.base.AMutableInt16; |
| import edu.uci.ics.asterix.om.base.AMutableInt32; |
| import edu.uci.ics.asterix.om.base.AMutableInt64; |
| import edu.uci.ics.asterix.om.base.AMutableInt8; |
| import edu.uci.ics.asterix.om.base.ANull; |
| import edu.uci.ics.asterix.om.types.ATypeTag; |
| import edu.uci.ics.asterix.om.types.BuiltinType; |
| import edu.uci.ics.asterix.om.types.EnumDeserializer; |
| import edu.uci.ics.asterix.runtime.aggregates.base.AbstractSerializableAggregateFunctionDynamicDescriptor; |
| import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import edu.uci.ics.hyracks.algebricks.common.exceptions.NotImplementedException; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.functions.FunctionIdentifier; |
| import edu.uci.ics.hyracks.algebricks.runtime.base.IEvaluator; |
| import edu.uci.ics.hyracks.algebricks.runtime.base.IEvaluatorFactory; |
| import edu.uci.ics.hyracks.algebricks.runtime.base.ISerializableAggregateFunction; |
| import edu.uci.ics.hyracks.algebricks.runtime.base.ISerializableAggregateFunctionFactory; |
| import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.data.accessors.ArrayBackedValueStorage; |
| import edu.uci.ics.hyracks.dataflow.common.data.accessors.IFrameTupleReference; |
| |
| public class SerializableSumAggregateDescriptor extends AbstractSerializableAggregateFunctionDynamicDescriptor { |
| |
| private static final long serialVersionUID = 1L; |
| private final static FunctionIdentifier FID = new FunctionIdentifier(FunctionConstants.ASTERIX_NS, "sum-serial", 1, |
| true); |
| |
| @Override |
| public FunctionIdentifier getIdentifier() { |
| return FID; |
| } |
| |
| @Override |
| public ISerializableAggregateFunctionFactory createAggregateFunctionFactory(final IEvaluatorFactory[] args) |
| throws AlgebricksException { |
| return new ISerializableAggregateFunctionFactory() { |
| private static final long serialVersionUID = 1L; |
| |
| @Override |
| public ISerializableAggregateFunction createAggregateFunction() throws AlgebricksException { |
| |
| return new ISerializableAggregateFunction() { |
| |
| private ArrayBackedValueStorage inputVal = new ArrayBackedValueStorage(); |
| private IEvaluator eval = args[0].createEvaluator(inputVal); |
| private AMutableDouble aDouble = new AMutableDouble(0); |
| private AMutableFloat aFloat = new AMutableFloat(0); |
| private AMutableInt64 aInt64 = new AMutableInt64(0); |
| private AMutableInt32 aInt32 = new AMutableInt32(0); |
| private AMutableInt16 aInt16 = new AMutableInt16((short) 0); |
| private AMutableInt8 aInt8 = new AMutableInt8((byte) 0); |
| @SuppressWarnings("unchecked") |
| private ISerializerDeserializer serde; |
| |
| @Override |
| public void init(DataOutput state) throws AlgebricksException { |
| try { |
| state.writeBoolean(false); |
| state.writeBoolean(false); |
| state.writeBoolean(false); |
| state.writeBoolean(false); |
| state.writeBoolean(false); |
| state.writeBoolean(false); |
| state.writeBoolean(false); |
| state.writeDouble(0.0); |
| } catch (IOException e) { |
| throw new AlgebricksException(e); |
| } |
| } |
| |
| @Override |
| public void step(IFrameTupleReference tuple, byte[] state, int start, int len) |
| throws AlgebricksException { |
| int pos = start; |
| boolean metInt8s = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metInt16s = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metInt32s = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metInt64s = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metFloats = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metDoubles = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metNull = BufferSerDeUtil.getBoolean(state, pos++); |
| double sum = BufferSerDeUtil.getDouble(state, pos); |
| |
| inputVal.reset(); |
| eval.evaluate(tuple); |
| if (inputVal.getLength() > 0) { |
| ATypeTag typeTag = EnumDeserializer.ATYPETAGDESERIALIZER |
| .deserialize(inputVal.getBytes()[0]); |
| switch (typeTag) { |
| case INT8: { |
| metInt8s = true; |
| byte val = AInt8SerializerDeserializer.getByte(inputVal.getBytes(), 1); |
| sum += val; |
| break; |
| } |
| case INT16: { |
| metInt16s = true; |
| short val = AInt16SerializerDeserializer.getShort(inputVal.getBytes(), 1); |
| sum += val; |
| break; |
| } |
| case INT32: { |
| metInt32s = true; |
| int val = AInt32SerializerDeserializer.getInt(inputVal.getBytes(), 1); |
| sum += val; |
| break; |
| } |
| case INT64: { |
| metInt64s = true; |
| long val = AInt64SerializerDeserializer.getLong(inputVal.getBytes(), 1); |
| sum += val; |
| break; |
| } |
| case FLOAT: { |
| metFloats = true; |
| float val = AFloatSerializerDeserializer.getFloat(inputVal.getBytes(), 1); |
| sum += val; |
| break; |
| } |
| case DOUBLE: { |
| metDoubles = true; |
| double val = ADoubleSerializerDeserializer.getDouble(inputVal.getBytes(), 1); |
| sum += val; |
| break; |
| } |
| case NULL: { |
| metNull = true; |
| break; |
| } |
| default: { |
| throw new NotImplementedException("Cannot compute SUM for values of type " |
| + typeTag); |
| } |
| } |
| } |
| |
| pos = start; |
| BufferSerDeUtil.writeBoolean(metInt8s, state, pos++); |
| BufferSerDeUtil.writeBoolean(metInt16s, state, pos++); |
| BufferSerDeUtil.writeBoolean(metInt32s, state, pos++); |
| BufferSerDeUtil.writeBoolean(metInt64s, state, pos++); |
| BufferSerDeUtil.writeBoolean(metFloats, state, pos++); |
| BufferSerDeUtil.writeBoolean(metDoubles, state, pos++); |
| BufferSerDeUtil.writeBoolean(metNull, state, pos++); |
| BufferSerDeUtil.writeDouble(sum, state, pos); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public void finish(byte[] state, int start, int len, DataOutput out) throws AlgebricksException { |
| int pos = start; |
| boolean metInt8s = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metInt16s = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metInt32s = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metInt64s = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metFloats = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metDoubles = BufferSerDeUtil.getBoolean(state, pos++); |
| boolean metNull = BufferSerDeUtil.getBoolean(state, pos++); |
| double sum = BufferSerDeUtil.getDouble(state, pos); |
| try { |
| if (metNull) { |
| serde = AqlSerializerDeserializerProvider.INSTANCE |
| .getSerializerDeserializer(BuiltinType.ANULL); |
| serde.serialize(ANull.NULL, out); |
| } else if (metDoubles) { |
| serde = AqlSerializerDeserializerProvider.INSTANCE |
| .getSerializerDeserializer(BuiltinType.ADOUBLE); |
| aDouble.setValue(sum); |
| serde.serialize(aDouble, out); |
| } else if (metFloats) { |
| serde = AqlSerializerDeserializerProvider.INSTANCE |
| .getSerializerDeserializer(BuiltinType.AFLOAT); |
| aFloat.setValue((float) sum); |
| serde.serialize(aFloat, out); |
| } else if (metInt64s) { |
| serde = AqlSerializerDeserializerProvider.INSTANCE |
| .getSerializerDeserializer(BuiltinType.AINT64); |
| aInt64.setValue((long) sum); |
| serde.serialize(aInt64, out); |
| } else if (metInt32s) { |
| serde = AqlSerializerDeserializerProvider.INSTANCE |
| .getSerializerDeserializer(BuiltinType.AINT32); |
| aInt32.setValue((int) sum); |
| serde.serialize(aInt32, out); |
| } else if (metInt16s) { |
| serde = AqlSerializerDeserializerProvider.INSTANCE |
| .getSerializerDeserializer(BuiltinType.AINT16); |
| aInt16.setValue((short) sum); |
| serde.serialize(aInt16, out); |
| } else if (metInt8s) { |
| serde = AqlSerializerDeserializerProvider.INSTANCE |
| .getSerializerDeserializer(BuiltinType.AINT8); |
| aInt8.setValue((byte) sum); |
| serde.serialize(aInt8, out); |
| } else { |
| GlobalConfig.ASTERIX_LOGGER.fine("SUM aggregate ran over empty input."); |
| } |
| |
| } catch (IOException e) { |
| throw new AlgebricksException(e); |
| } |
| |
| } |
| |
| @Override |
| public void finishPartial(byte[] state, int start, int len, DataOutput out) |
| throws AlgebricksException { |
| finish(state, start, len, out); |
| } |
| }; |
| } |
| }; |
| } |
| |
| } |
