Examples of org.apache.derby.iapi.services.compiler.MethodBuilder.methodReturn()

Package org.apache.derby.iapi.services.compiler

Class org.apache.derby.iapi.services.compiler.MethodBuilder

Examples of org.apache.derby.iapi.services.compiler.MethodBuilder.methodReturn()

org.apache.derby.iapi.services.compiler.MethodBuilder.methodReturn()
Return from a method, optionally with a value. Must only be called if zero or one item exists on the stack. If the stack contains a single value then that is popped and used as the returned value.
```
 Stack value => :empty: or Stack :empty: => :empty: 
```
.

        */
        if(mb.statementNumHitLimit(10))
        {
          MethodBuilder dmb = acb.newGeneratedFun(ClassName.ResultSet, Modifier.PRIVATE);
          dependentNodes[index].generate(acb,dmb); //generates the resultset expression
          dmb.methodReturn();
          dmb.complete();
          /* Generate the call to the new method */
          mb.pushThis(); 
          //second arg will be generated by this call
          mb.callMethod(VMOpcode.INVOKEVIRTUAL, (String) null, dmb.getName(), ClassName.ResultSet, 0);

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        // Add a method that indicates the maxium number of dynamic result sets.
        int maxDynamicResults = routineInfo.getMaxDynamicResultSets();
        if (maxDynamicResults > 0) {
          MethodBuilder gdr = acb.getClassBuilder().newMethodBuilder(Modifier.PUBLIC, "int", "getMaxDynamicResults");
          gdr.push(maxDynamicResults);
          gdr.methodReturn();
          gdr.complete();
        }


        // add a method to return all the dynamic result sets (unordered)
        MethodBuilder gdr = acb.getClassBuilder().newMethodBuilder(Modifier.PUBLIC, "java.sql.ResultSet[][]", "getDynamicResults");

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      /* generates:
       *    return <joinClause.generate(acb)>;
       * and adds it to userExprFun
       */
      joinClause.generate(acb, userExprFun);
      userExprFun.methodReturn();


      // we are done modifying userExprFun, complete it.
      userExprFun.complete();


         // join clause is used in the final result set as an access of the new static

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    // generate:
    // return fieldX;
    // and add to the end of exprFun's body.
    exprFun.getField(lf);
    exprFun.methodReturn();


    // we are done putting stuff in exprFun:
    exprFun.complete();


    return exprFun;

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    // generate:
    // return fieldX;
    // and add to the end of exprFun's body.
    exprFun.getField(lf);
    exprFun.methodReturn();


    // we are done putting stuff in exprFun:
    exprFun.complete();


    return exprFun;

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       * since the restriction may simply be a boolean column or subquery
       * which returns a boolean.  For example:
       *    where booleanColumn
       */
      restriction.generate(acb, userExprFun);
      userExprFun.methodReturn();


      // we are done modifying userExprFun, complete it.
      userExprFun.complete();


         // restriction is used in the final result set as an access of the new static

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    else
    {
      leftOperand.generateExpression(acb, qualMethod);
    }


    qualMethod.methodReturn();
    qualMethod.complete();


    /* push an expression that evaluates to the GeneratedMethod */
    acb.pushMethodReference(mb, qualMethod);
  }

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      userExprFun.getField(psHolder);


      userExprFun.completeConditional();
    }


    userExprFun.methodReturn();






    // newInvocation knows it is returning its value;

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       * since the restriction may simply be a boolean column or subquery
       * which returns a boolean.  For example:
       *    where booleanColumn
       */
      restriction.generate(acb, userExprFun);
      userExprFun.methodReturn();


      // we are done modifying userExprFun, complete it.
      userExprFun.complete();


         // restriction is used in the final result set as an access of the new static

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       * since the restriction may simply be a boolean column or subquery
       * which returns a boolean.  For example:
       *    where booleanColumn
       */
      restriction.generateExpression(acb, userExprFun);
      userExprFun.methodReturn();


      // we are done modifying userExprFun, complete it.
      userExprFun.complete();


         // restriction is used in the final result set as an access of the new static

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