Examples of com.odiago.flumebase.lang.PreciseType

com.odiago.flumebase.lang.PreciseType
Represents a PRECISE(n) type.
This type, while scalar, is parameterized by a value 'n' which specifies the degree of precision associated with the value. Internally this type is implemented as BigDecimal. The parameter 'n' corresponds to the 'scale' associated with the BigDecimal.


  private Number getState(Bucket<Number> bucket, Type type) {
    Number state = bucket.getState();
    if (null == state) {
      if (type.getPrimitiveTypeName().equals(Type.TypeName.PRECISE)) {
        PreciseType pt = PreciseType.toPreciseType(type);
        state = pt.parseStringInput("0");
      } else {
        state = Integer.valueOf(0);
      }
    }

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   */
  private void runPreciseTest(List<String> eventStrings, String query, String outColName,
      List<String> outStrings) throws IOException, InterruptedException {
    MemStreamBuilder streamBuilder = new MemStreamBuilder("f");


    streamBuilder.addField(new TypedField("x", new PreciseType(1)));
    for (String eventStr : eventStrings) {
      streamBuilder.addEvent(eventStr);
    }
    StreamSymbol stream = streamBuilder.build();
    getSymbolTable().addSymbol(stream);

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    } else if (val instanceof BigDecimal) {
      if (outputType.getPrimitiveTypeName().equals(Type.TypeName.PRECISE)) {
        // If we know the scale associated with the result PRECISE object,
        // make sure we use the appropriate scale (the scale used during
        // computation may be overly precise as a result of math operations).
        PreciseType preciseType = PreciseType.toPreciseType(outputType);
        BigDecimal bigDec = (BigDecimal) val;
        return bigDec.setScale(preciseType.getScale(), RoundingMode.HALF_EVEN).toString();
      } else {
        // Not sure what would cause a BigDecimal to be coerced to some
        // non-PRECISE output type, but in any case, it will be represented
        // as a string.
        return val.toString();

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      // fields. We need to work on this... it should not just be a 'long'
      // representation.
      out = CharBufferUtils.parseLong(chars);
      break;
    case PRECISE:
      PreciseType preciseType = PreciseType.toPreciseType(expectedType);
      out = preciseType.parseStringInput(chars.toString());
      break;
    case LIST:
      out = parseList(chars, ListType.toListType(expectedType).getElementType(),
          nullStr, listDelim);
      break;

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  private Object avroToNative(Object in, Type expectedType) {
    if (null == in) {
      return null;
    } else if (expectedType.getPrimitiveTypeName().equals(Type.TypeName.PRECISE)) {
      // Convert string input to precise type.
      PreciseType preciseType = PreciseType.toPreciseType(expectedType);
      return preciseType.parseStringInput((String) in);
    } else {
      return in; // All other types map to themselves.
    }
  }

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Related Classes of com.odiago.flumebase.lang.PreciseType

com.odiago.flumebase.exec.AvroOutputElementImpl

com.odiago.flumebase.exec.builtins.sum

com.odiago.flumebase.exec.TestSelect

com.odiago.flumebase.io.AvroEventParser

com.odiago.flumebase.io.CharBufferUtils

java.math.BigDecimal

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