Package com.sun.codemodel

Examples of com.sun.codemodel.JConditional

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        HoldingContainer out = cg.addExpr(fh, false);

        // If not 0, it means not equal. We return this out value.
        // Null compares to Null should returns null (unknown). In such case, we return 1 to indicate they are not equal.
        if (compareLeftExprHolder.isOptional() && compareRightExprHolder.isOptional()) {
          JConditional jc = cg.getEvalBlock()._if(compareLeftExprHolder.getIsSet().eq(JExpr.lit(0)).
                                      cand(compareRightExprHolder.getIsSet().eq(JExpr.lit(0))));
          jc._then()._return(JExpr.lit(1));
          jc._elseif(out.getValue().ne(JExpr.lit(0)))._then()._return(out.getValue());
        } else {
          cg.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)))._then()._return(out.getValue());
        }
      }
    }
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      // next we wrap the two comparison sides and add the expression block for the comparison.
      LogicalExpression f = FunctionGenerationHelper.getComparator(left, right, context.getFunctionRegistry());
      HoldingContainer out = cg.addExpr(f, false);

      // check if two values are not equal (comparator result != 0)
      JConditional jc = cg.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)));

      jc._then()._return(JExpr.FALSE);
    }

    // All key expressions compared equal, so return TRUE
    cg.getEvalBlock()._return(JExpr.TRUE);
  }
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      g.setMappingSet(mainMapping);

      // next we wrap the two comparison sides and add the expression block for the comparison.
      LogicalExpression fh = FunctionGenerationHelper.getComparator(left, right, context.getFunctionRegistry());
      HoldingContainer out = g.addExpr(fh, false);
      JConditional jc = g.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)));

      if (od.getDirection() == Direction.ASCENDING) {
        jc._then()._return(out.getValue());
      }else{
        jc._then()._return(out.getValue().minus());
      }
      g.rotateBlock();
    }

    g.rotateBlock();
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      g.setMappingSet(MAIN_MAPPING);

      // next we wrap the two comparison sides and add the expression block for the comparison.
      LogicalExpression fh = FunctionGenerationHelper.getComparator(left, right, context.getFunctionRegistry());
      HoldingContainer out = g.addExpr(fh, false);
      JConditional jc = g.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)));

      if (od.getDirection() == Direction.ASCENDING) {
        jc._then()._return(out.getValue());
      }else{
        jc._then()._return(out.getValue().minus());
      }
      g.rotateBlock();
    }

    g.rotateBlock();
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      g.setMappingSet(MAIN_MAPPING);

      // next we wrap the two comparison sides and add the expression block for the comparison.
      LogicalExpression fh = FunctionGenerationHelper.getComparator(left, right, context.getFunctionRegistry());
      HoldingContainer out = g.addExpr(fh, false);
      JConditional jc = g.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)));

      if (od.getDirection() == Direction.ASCENDING) {
        jc._then()._return(out.getValue());
      } else {
        jc._then()._return(out.getValue().minus());
      }
    }

    g.getEvalBlock()._return(JExpr.lit(0));
  }
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          new ValueVectorReadExpression(new TypedFieldId(expr.getMajorType(), count++)), false);
      cg.setMappingSet(mainMapping);

      LogicalExpression fh = FunctionGenerationHelper.getComparator(left, right, context.getFunctionRegistry());
      ClassGenerator.HoldingContainer out = cg.addExpr(fh, false);
      JConditional jc = cg.getEvalBlock()._if(out.getValue().ne(JExpr.lit(0)));

      if (od.getDirection() == Direction.ASCENDING) {
        jc._then()._return(out.getValue());
      } else {
        jc._then()._return(out.getValue().minus());
      }
    }

    cg.getEvalBlock()._return(JExpr.lit(0));
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    public HoldingContainer visitIfExpression(IfExpression ifExpr, ClassGenerator<?> generator) throws RuntimeException {
      JBlock local = generator.getEvalBlock();

      HoldingContainer output = generator.declare(ifExpr.getMajorType());

      JConditional jc = null;
      JBlock conditionalBlock = new JBlock(false, false);
      IfCondition c = ifExpr.ifCondition;

      HoldingContainer holdingContainer = c.condition.accept(this, generator);
      if (jc == null) {
        if (holdingContainer.isOptional()) {
          jc = conditionalBlock._if(holdingContainer.getIsSet().eq(JExpr.lit(1)).cand(holdingContainer.getValue().eq(JExpr.lit(1))));
        } else {
          jc = conditionalBlock._if(holdingContainer.getValue().eq(JExpr.lit(1)));
        }
      } else {
        if (holdingContainer.isOptional()) {
          jc = jc._else()._if(holdingContainer.getIsSet().eq(JExpr.lit(1)).cand(holdingContainer.getValue().eq(JExpr.lit(1))));
        } else {
          jc = jc._else()._if(holdingContainer.getValue().eq(JExpr.lit(1)));
        }
      }

      generator.nestEvalBlock(jc._then());

      HoldingContainer thenExpr = c.expression.accept(this, generator);

      generator.unNestEvalBlock();

      if (thenExpr.isOptional()) {
        JConditional newCond = jc._then()._if(thenExpr.getIsSet().ne(JExpr.lit(0)));
        JBlock b = newCond._then();
        b.assign(output.getHolder(), thenExpr.getHolder());
        //b.assign(output.getIsSet(), thenExpr.getIsSet());
      } else {
        jc._then().assign(output.getHolder(), thenExpr.getHolder());
      }

      generator.nestEvalBlock(jc._else());

      HoldingContainer elseExpr = ifExpr.elseExpression.accept(this, generator);

      generator.unNestEvalBlock();

      if (elseExpr.isOptional()) {
        JConditional newCond = jc._else()._if(elseExpr.getIsSet().ne(JExpr.lit(0)));
        JBlock b = newCond._then();
        b.assign(output.getHolder(), elseExpr.getHolder());
        //b.assign(output.getIsSet(), elseExpr.getIsSet());
      } else {
        jc._else().assign(output.getHolder(), elseExpr.getHolder());
      }
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        generator.getEvalBlock().add(writer.invoke("setPosition").arg(outIndex));
        String copyMethod = inputContainer.isSingularRepeated() ? "copyAsValueSingle" : "copyAsValue";
        generator.getEvalBlock().add(inputContainer.getHolder().invoke(copyMethod).arg(writer));
        if (e.isSafe()) {
          HoldingContainer outputContainer = generator.declare(Types.REQUIRED_BIT);
          JConditional ifOut = generator.getEvalBlock()._if(writer.invoke("ok"));
          ifOut._then().assign(outputContainer.getValue(), JExpr.lit(1));
          ifOut._else().assign(outputContainer.getValue(), JExpr.lit(0));
          return outputContainer;
        }
      } else {

        final JInvocation setMeth = GetSetVectorHelper.write(e.getChild().getMajorType(), vv, inputContainer, outIndex, e.isSafe() ? "setSafe" : "set");
        final String isSafeMethod = "isSafe";

        if (e.isSafe()) {
          HoldingContainer outputContainer = generator.declare(Types.REQUIRED_BIT);
          block.assign(outputContainer.getValue(), JExpr.lit(1));
          if (inputContainer.isOptional()) {
            // block._if(vv.invoke("getMutator").invoke(setMethod).arg(outIndex).not())._then().assign(outputContainer.getValue(),
            // JExpr.lit(0));
            JConditional jc = block._if(inputContainer.getIsSet().eq(JExpr.lit(0)).not());
            block = jc._then();
            jc._else()._if(vv.invoke("getMutator").invoke(isSafeMethod).arg(outIndex).not())._then()
                .assign(outputContainer.getValue(), JExpr.lit(0));
          }
          block._if(setMeth.not())._then().assign(outputContainer.getValue(), JExpr.lit(0));
          return outputContainer;
        } else {
          if (inputContainer.isOptional()) {
            // block.add(vv.invoke("getMutator").invoke(setMethod).arg(outIndex));
            JConditional jc = block._if(inputContainer.getIsSet().eq(JExpr.lit(0)).not());
            block = jc._then();
          }
          block.add(setMeth);
        }

      }
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          MajorType finalType = e.getFieldId().getFinalType();
          // //
          JVar complexReader = generator.declareClassField("reader", generator.getModel()._ref(FieldReader.class));

          if (isNullReaderLikely) {
            JConditional jc = generator.getEvalBlock()._if(isNull.eq(JExpr.lit(0)));

            JClass nrClass = generator.getModel().ref(org.apache.drill.exec.vector.complex.impl.NullReader.class);
            JExpression nullReader;
            if (complex) {
              nullReader = nrClass.staticRef("EMPTY_MAP_INSTANCE");
            } else if (repeated) {
              nullReader = nrClass.staticRef("EMPTY_LIST_INSTANCE");
            } else {
              nullReader = nrClass.staticRef("INSTANCE");
            }


            jc._then().assign(complexReader, expr);
            jc._else().assign(complexReader, nullReader);
          } else {
            eval.assign(complexReader, expr);
          }

          HoldingContainer hc = new HoldingContainer(e.getMajorType(), complexReader, null, null, false, true);
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      }

      if (out.isOptional()) {
        assert (e != null);

        JConditional notSetJC = eval._if(e.eq(JExpr.lit(0)));
        notSetJC._then().assign(out.getIsSet(), JExpr.lit(0));

        JBlock setBlock = notSetJC._else().block();
        setBlock.assign(out.getIsSet(), JExpr.lit(1));
        setBlock.assign(out.getValue(), JExpr.lit(1));
      } else {
        assert (e == null);
        eval.assign(out.getValue(), JExpr.lit(1)) ;
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