Examples of org.teiid.query.function.FunctionDescriptor.invokeFunction()

Class org.teiid.query.function.FunctionDescriptor

Examples of org.teiid.query.function.FunctionDescriptor.invokeFunction()

org.teiid.query.function.FunctionDescriptor.invokeFunction()
Invoke the function described in the function descriptor, using the values provided. Return the result of the function. @param fd Function descriptor describing the name and types of the arguments @param values Values that should match 1-to-1 with the types described in thefunction descriptor @return Result of invoking the function


        
        if (rightExpr instanceof Constant) {
            Constant const2 = (Constant)rightExpr;
            try {
                Object result = descriptor.invokeFunction(new Object[] { const2.getValue(), const1.getValue() } );
                combinedConst = new Constant(result, descriptor.getReturnType());
            } catch(FunctionExecutionException e) {
              throw new QueryValidatorException(e, "ERR.015.009.0003", QueryPlugin.Util.getString("ERR.015.009.0003", e.getMessage())); //$NON-NLS-1$ //$NON-NLS-2$
          }
        } else {

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        if(descriptor == null){
            return crit;
        }
      Object value = ((Constant)rightExpr).getValue();
      try {
        Object result = descriptor.invokeFunction(new Object[] {((Constant)rightExpr).getValue(), format});
        result = leftFunction.getFunctionDescriptor().invokeFunction(new Object[] { result, format } );
        if (((Comparable)value).compareTo(result) != 0) {
          return getSimpliedCriteria(crit, leftExpr, crit.getOperator() != CompareCriteria.EQ, true);
        }
      } catch(FunctionExecutionException e) {

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        throw new ExpressionEvaluationException(e, e.getMessage());
      }
      }
      
    // Execute function
    Object result = fd.invokeFunction(values);
    return result;        
  }
  
  private Object evaluate(ScalarSubquery scalarSubquery, List<?> tuple)
      throws ExpressionEvaluationException, BlockedException, TeiidComponentException {

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