Search in sources :

Example 1 with AMutablePoint3D

use of org.apache.asterix.om.base.AMutablePoint3D in project asterixdb by apache.

the class APoint3DConstructorDescriptor method createEvaluatorFactory.

@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private DataOutput out = resultStorage.getDataOutput();

                private IPointable inputArg = new VoidPointable();

                private IScalarEvaluator eval = args[0].createScalarEvaluator(ctx);

                private AMutablePoint3D aPoint3D = new AMutablePoint3D(0, 0, 0);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<APoint3D> point3DSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.APOINT3D);

                private final UTF8StringPointable utf8Ptr = new UTF8StringPointable();

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    try {
                        resultStorage.reset();
                        eval.evaluate(tuple, inputArg);
                        byte[] serString = inputArg.getByteArray();
                        int offset = inputArg.getStartOffset();
                        int len = inputArg.getLength();
                        if (serString[offset] == ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                            utf8Ptr.set(serString, offset + 1, len - 1);
                            String s = utf8Ptr.toString();
                            int firstCommaIndex = s.indexOf(',');
                            int secondCommaIndex = s.indexOf(',', firstCommaIndex + 1);
                            aPoint3D.setValue(Double.parseDouble(s.substring(0, firstCommaIndex)), Double.parseDouble(s.substring(firstCommaIndex + 1, secondCommaIndex)), Double.parseDouble(s.substring(secondCommaIndex + 1, s.length())));
                            point3DSerde.serialize(aPoint3D, out);
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, serString[offset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        }
                        result.set(resultStorage);
                    } catch (IOException e) {
                        throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_POINT_TYPE_TAG);
                    }
                }
            };
        }
    };
}
Also used : DataOutput(java.io.DataOutput) AMutablePoint3D(org.apache.asterix.om.base.AMutablePoint3D) UTF8StringPointable(org.apache.hyracks.data.std.primitive.UTF8StringPointable) TypeMismatchException(org.apache.asterix.runtime.exceptions.TypeMismatchException) IPointable(org.apache.hyracks.data.std.api.IPointable) IOException(java.io.IOException) IScalarEvaluator(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator) ISerializerDeserializer(org.apache.hyracks.api.dataflow.value.ISerializerDeserializer) IScalarEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory) InvalidDataFormatException(org.apache.asterix.runtime.exceptions.InvalidDataFormatException) ArrayBackedValueStorage(org.apache.hyracks.data.std.util.ArrayBackedValueStorage) IHyracksTaskContext(org.apache.hyracks.api.context.IHyracksTaskContext) VoidPointable(org.apache.hyracks.data.std.primitive.VoidPointable) IFrameTupleReference(org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference)

Aggregations

DataOutput (java.io.DataOutput)1 IOException (java.io.IOException)1 AMutablePoint3D (org.apache.asterix.om.base.AMutablePoint3D)1 InvalidDataFormatException (org.apache.asterix.runtime.exceptions.InvalidDataFormatException)1 TypeMismatchException (org.apache.asterix.runtime.exceptions.TypeMismatchException)1 IScalarEvaluator (org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator)1 IScalarEvaluatorFactory (org.apache.hyracks.algebricks.runtime.base.IScalarEvaluatorFactory)1 IHyracksTaskContext (org.apache.hyracks.api.context.IHyracksTaskContext)1 ISerializerDeserializer (org.apache.hyracks.api.dataflow.value.ISerializerDeserializer)1 IPointable (org.apache.hyracks.data.std.api.IPointable)1 UTF8StringPointable (org.apache.hyracks.data.std.primitive.UTF8StringPointable)1 VoidPointable (org.apache.hyracks.data.std.primitive.VoidPointable)1 ArrayBackedValueStorage (org.apache.hyracks.data.std.util.ArrayBackedValueStorage)1 IFrameTupleReference (org.apache.hyracks.dataflow.common.data.accessors.IFrameTupleReference)1