| package edu.uci.ics.asterix.dataflow.data.nontagged.serde; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import edu.uci.ics.asterix.dataflow.data.nontagged.Coordinate; |
| import edu.uci.ics.asterix.formats.nontagged.AqlSerializerDeserializerProvider; |
| import edu.uci.ics.asterix.om.base.ACircle; |
| import edu.uci.ics.asterix.om.base.AMutableCircle; |
| import edu.uci.ics.asterix.om.base.AMutablePoint; |
| import edu.uci.ics.asterix.om.base.APoint; |
| import edu.uci.ics.asterix.om.types.BuiltinType; |
| import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import edu.uci.ics.hyracks.api.exceptions.HyracksDataException; |
| |
| public class ACircleSerializerDeserializer implements ISerializerDeserializer<ACircle> { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public static final ACircleSerializerDeserializer INSTANCE = new ACircleSerializerDeserializer(); |
| |
| @SuppressWarnings("unchecked") |
| private final static ISerializerDeserializer<ACircle> circleSerde = AqlSerializerDeserializerProvider.INSTANCE |
| .getSerializerDeserializer(BuiltinType.ACIRCLE); |
| private final static AMutableCircle aCircle = new AMutableCircle(null, 0); |
| private final static AMutablePoint aPoint = new AMutablePoint(0, 0); |
| |
| private ACircleSerializerDeserializer() { |
| } |
| |
| @Override |
| public ACircle deserialize(DataInput in) throws HyracksDataException { |
| try { |
| APoint center = APointSerializerDeserializer.INSTANCE.deserialize(in); |
| double radius = ADoubleSerializerDeserializer.INSTANCE.deserialize(in).getDoubleValue(); |
| return new ACircle(center, radius); |
| } catch (IOException e) { |
| throw new HyracksDataException(e); |
| } |
| } |
| |
| @Override |
| public void serialize(ACircle instance, DataOutput out) throws HyracksDataException { |
| try { |
| out.writeDouble(instance.getP().getX()); |
| out.writeDouble(instance.getP().getY()); |
| out.writeDouble(instance.getRadius()); |
| } catch (IOException e) { |
| throw new HyracksDataException(); |
| } |
| } |
| |
| public final static int getCenterPointCoordinateOffset(Coordinate coordinate) throws HyracksDataException { |
| switch (coordinate) { |
| case X: |
| return 1; |
| case Y: |
| return 9; |
| default: |
| throw new HyracksDataException("Wrong coordinate"); |
| } |
| } |
| |
| public final static int getRadiusOffset() throws HyracksDataException { |
| return 17; |
| } |
| |
| public static void parse(String circle, DataOutput out) throws HyracksDataException { |
| try { |
| String[] parts = circle.split(" "); |
| aPoint.setValue(Double.parseDouble(parts[0].split(",")[0]), Double.parseDouble(parts[0].split(",")[1])); |
| aCircle.setValue(aPoint, Double.parseDouble(parts[1].substring(0, parts[1].length()))); |
| circleSerde.serialize(aCircle, out); |
| } catch (HyracksDataException e) { |
| throw new HyracksDataException(circle + " can not be an instance of circle"); |
| } |
| } |
| } |