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

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

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  MethodBuilder startResetMethod() {
    MethodBuilder mb = cb.newMethodBuilder(Modifier.PUBLIC,
      "void", "reset");

    mb.addThrownException(ClassName.StandardException);
    mb.pushThis();
    mb.callMethod(VMOpcode.INVOKESPECIAL, ClassName.BaseActivation, "reset", "void", 0);


    return mb;
  }
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                MethodBuilder mb) throws StandardException
  {
    if (indexOfSessionTableNamesInSavedObjects != -1 ) //if this cursor references session schema tables, do following
    {
      MethodBuilder constructor = acb.getConstructor();
      constructor.pushThis();
      constructor.push(indexOfSessionTableNamesInSavedObjects);
      constructor.putField(org.apache.derby.iapi.reference.ClassName.BaseActivation, "indexOfSessionTableNamesInSavedObjects", "int");
      constructor.endStatement();
    }
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        // get the RowLocation template
        exprFun.getField(lf); // instance for setColumn
        exprFun.push(highestColumnNumber + 1); // first arg

        exprFun.pushThis(); // instance for getRowLocationTemplate
        exprFun.push(savedItem); // first arg
        exprFun.callMethod(VMOpcode.INVOKEINTERFACE, ClassName.Activation, "getRowLocationTemplate",
                  ClassName.RowLocation, 1);

        exprFun.upCast(ClassName.DataValueDescriptor);
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    MethodBuilder mb = cb.newMethodBuilder(Modifier.PUBLIC,
      ClassName.ResultSet, "execute");
    mb.addThrownException(ClassName.StandardException);

    // put a 'throwIfClosed("execute");' statement into the execute method.
    mb.pushThis(); // instance
    mb.push("execute");
    mb.callMethod(VMOpcode.INVOKEVIRTUAL, ClassName.BaseActivation, "throwIfClosed", "void", 1);

    // call this.startExecution(), so the parent class can know an execution
    // has begun.
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    mb.callMethod(VMOpcode.INVOKEVIRTUAL, ClassName.BaseActivation, "throwIfClosed", "void", 1);

    // call this.startExecution(), so the parent class can know an execution
    // has begun.

    mb.pushThis(); // instance
    mb.callMethod(VMOpcode.INVOKEVIRTUAL, ClassName.BaseActivation, "startExecution", "void", 0);

    return  mb;
  }
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  MethodBuilder startResetMethod() {
    MethodBuilder mb = cb.newMethodBuilder(Modifier.PUBLIC,
      "void", "reset");

    mb.addThrownException(ClassName.StandardException);
    mb.pushThis();
    mb.callMethod(VMOpcode.INVOKESPECIAL, ClassName.BaseActivation, "reset", "void", 0);


    return mb;
  }
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     * generates:
     *    return TypeFactory.getSQLRef(this.ROWLOCATIONSCANRESULTSET.getRowLocation());
     * and adds it to exprFun
     */

    mb.pushThis();
    mb.getField((String)null, acb.getRowLocationScanResultSetName(), ClassName.CursorResultSet);
    mb.callMethod(VMOpcode.INVOKEINTERFACE, (String) null, "getRowLocation", ClassName.RowLocation, 0);


    acb.generateDataValue(mb, getTypeCompiler(), field);
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      int numResultSets = acb.getRowCount();
      if(numResultSets > 0)
      {
        //generate activation.raParentResultSets = new NoPutResultSet[size]
        MethodBuilder constructor = acb.getConstructor();
        constructor.pushThis();
        constructor.pushNewArray(ClassName.CursorResultSet, numResultSets);
        constructor.putField(ClassName.BaseActivation,
                   "raParentResultSets",
                   ClassName.CursorResultSet + "[]");
        constructor.endStatement();
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                MethodBuilder mb) throws StandardException
  {
    if (indexOfSessionTableNamesInSavedObjects != -1 ) //if this cursor references session schema tables, do following
    {
      MethodBuilder constructor = acb.getConstructor();
      constructor.pushThis();
      constructor.push(indexOfSessionTableNamesInSavedObjects);
      constructor.putField(org.apache.derby.iapi.reference.ClassName.BaseActivation, "indexOfSessionTableNamesInSavedObjects", "int");
      constructor.endStatement();
    }
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      **
      ** pvs is a ParameterValueSet that lives in the superclass of
      ** the activation being generated.
      */

      constructor.pushThis(); // for the put field down below

      /* Generate the call to getContext */
      //?X constructor.pushThis();
      //?Xconstructor.callMethod(VMOpcode.INVOKEINTERFACE, ClassName.Activation, "getLanguageConnectionContext",
      //?X          ClassName.LanguageConnectionContext, 0);
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