Examples of org.teiid.query.processor.xml.Program.addInstruction()

Class org.teiid.query.processor.xml.Program

Examples of org.teiid.query.processor.xml.Program.addInstruction()

org.teiid.query.processor.xml.Program.addInstruction()

        
        if (info.isJoinedWithParent()) {
            //create a dependent while loop
            JoinedWhileInstruction whileInst = new JoinedWhileInstruction(source, new Integer(info.getMappingClassNumber()),
                                                                          info.getMappingClassSymbol(), node.getResultName());
            currentProgram.addInstruction(whileInst);
            
            Program childProgram = new Program();
            whileInst.setBlockProgram(childProgram);
            
            programStack.push(childProgram);

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        String source = node.getActualResultSetName();  
        ResultSetInfo info= node.getResultSetInfo();
        
        if (!info.isJoinRoot()) {
            // move to next row.
            currentProgram.addInstruction(new MoveCursorInstruction(source));
        }


        // Since each element with a source started a new program; 
        // since now we are done with children, we need to pop to current program                                    
        this.programStack.pop();

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        for (final Iterator i = stagingTables.iterator(); i.hasNext();) {
            final String table = (String)i.next();
            Program currentProgram = (Program)programStack.peek();


            // load staging
            currentProgram.addInstruction(new ExecStagingTableInstruction(table, planEnv.getStagingTableResultsInfo(table)));
            
            // unload sttaging
            String unloadName = planEnv.unLoadResultName(table);
            cleanupProgram.addInstruction(new ExecStagingTableInstruction(unloadName, planEnv.getStagingTableResultsInfo(unloadName)));
        } // for

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        // if we are dealing with multiple documents
        startFragment(currentProgram, element);
        
        ProcessorInstruction tagInst = TagBuilderVisitor.buildTag(element);
        currentProgram.addInstruction(tagInst);
                
        // this is set by root recursive node. Note that the MappingClass on recursive
        // node is same as the source on the root recursive node.
        Program recursiveProgram = (Program)context.get(element.getMappingClass().toUpperCase());
        IfInstruction ifInst = new IfInstruction();

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    public void start(MappingAttribute attribute, Map context){
        Program currentProgram = (Program)this.programStack.peek();
        ProcessorInstruction tagInst = TagBuilderVisitor.buildTag(attribute);
        if (tagInst != null) {
            currentProgram.addInstruction(tagInst);
        }        
    }


    public void end(MappingAttribute attribute, Map context){
    }

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    public void start(MappingCommentNode comment, Map context){
        Program currentProgram = (Program)this.programStack.peek();
        ProcessorInstruction tagInst = TagBuilderVisitor.buildTag(comment);
        if (tagInst != null) {
            currentProgram.addInstruction(tagInst);
        }
    }
    
    public void end(MappingCommentNode comment, Map context){
        // nothing to do

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    public void start(MappingChoiceNode choice, Map context){        
        IfInstruction ifInst = new IfInstruction();        
        // if an exception should be thrown as the default choice, then add a sub program to that
        if (choice.throwExceptionOnDefault()) {
            Program subProgram = new Program();
            subProgram.addInstruction(new AbortProcessingInstruction());
            DefaultCondition defCondition = new DefaultCondition(subProgram);
            ifInst.setDefaultCondition(defCondition);            
        }
        
        // to be used by the criteria nodes.

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        // process the node as others (if see we have not done anything for this node yet..)
        commonStart(choice, context);


        Program currentProgram = (Program)this.programStack.peek();        
        currentProgram.addInstruction(ifInst);        
    }
    
    public void end(MappingChoiceNode choice, Map context){
        commonEnd(choice, context);

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        // if we are dealing with multiple documents
        startFragment(currentProgram, element);
        
        ProcessorInstruction tagInst = TagBuilderVisitor.buildTag(element);
        currentProgram.addInstruction(tagInst);
        
        commonStart(element, context);
        
        // If there are more children under this node move the cursor down
        if (!element.getChildren().isEmpty()) {

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        // If there are more children under this node move the cursor down
        if (!element.getChildren().isEmpty()) {
            // update the program pointer 
            currentProgram = (Program)programStack.peek();
            currentProgram.addInstruction(new MoveDocInstruction(MoveDocInstruction.DOWN));
        }
    }


    public void end(MappingElement element, Map context){
        Program currentProgram = (Program)this.programStack.peek();

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