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: 
```
.

      /* 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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    mb.putField(field);


    /* Stuff the full expression into a return statement and add that to the
     * body of the new method.
     */
    mb.methodReturn();


    // complete the method
    mb.complete();


    /* Generate the call to the new method */

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    // CursorActivation - CursorResultSet getTargetResultSet()
    MethodBuilder getter = cb.newMethodBuilder(Modifier.PUBLIC, 
      ClassName.CursorResultSet, "getTargetResultSet");


    getter.getField(targetResultSetField);
    getter.methodReturn();
    getter.complete();


    // This method is an implementation of the interface method
    // CursorActivation - CursorResultSet getCursorResultSet()

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    getter = cb.newMethodBuilder(Modifier.PUBLIC, 
      ClassName.CursorResultSet, "getCursorResultSet");


    getter.getField(cursorResultSetField);
    getter.methodReturn();
    getter.complete();
  }


  /**
   * Updatable cursors

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     *    return <checkExpress.generate(ecb)>;
     * and adds it to userExprFun
     */


    checkConstraints.generateExpression(ecb, userExprFun);
    userExprFun.methodReturn();
    
    // we are done modifying userExprFun, complete it.
    userExprFun.complete();


    return userExprFun;

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    /* generates:
     *    return;
     * And adds it to userExprFun
     */
    userExprFun.methodReturn();
    
    // we are done modifying userExprFun, complete it.
    userExprFun.complete();


    return userExprFun;

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    rmb.push(cursorName);
    rmb.push(preStmt.getObjectName());
    rmb.callMethod(VMOpcode.INVOKEVIRTUAL, ClassName.BaseActivation, "checkPositionedStatement",
            "void", 2);


    rmb.methodReturn();
    rmb.complete();
  }


  /**
   * Prints the sub-nodes of this object.  See QueryTreeNode.java for

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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  <dynamic parameter.generate(ecb)>;
         * and adds it to exprFun
         */
        vn.generateExpression(ecb, exprFun);
        exprFun.methodReturn();


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


        // Pass in the method that will be used to evaluates the dynamic

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      userExprFun.getField(psHolder);


      userExprFun.completeConditional();
    }


    userExprFun.methodReturn();






    // methodCall knows it is returning its value;

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