Examples of org.teiid.query.processor.xml.ProcessorInstruction

org.teiid.query.processor.xml.ProcessorInstruction

Abstract superclass of all XML Processor Instructions.

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

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

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        context.remove(node.getRecursionId());
        
        // defect 17575; In case of recursive node the top most element
        // name could be different from original; so take it it out, so that
        // recursive node can put what ever it needs as head.
        ProcessorInstruction firstInst = recursiveProgram.getInstructionAt(0);
        if (firstInst instanceof AddNodeInstruction) {
            recursiveProgram.removeInstructionAt(0);
        }         
    }

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        Program currentProgram = (Program)programStack.peek();
        
        // 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

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    private void startFragment(Program program, MappingBaseNode element) {
        // In the case that we are returning the multiple documents; we are going to treat them as 
        // fragments, so do not add the header information
        if (element.isTagRoot()) {
            MappingDocument doc = element.getDocument();
            ProcessorInstruction header = new InitializeDocumentInstruction(doc.getDocumentEncoding(), doc.isFormatted());
            program.addInstruction(header);
        }
    }

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        Program currentProgram = (Program)programStack.peek();
        
        // 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());

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        if (program == null) {
            return map;
        }
        
        for (int i = 0; i < program.getProcessorInstructions().size(); i++) {
            ProcessorInstruction inst = program.getInstructionAt(i);
            
            if (inst instanceof WhileInstruction) {
                WhileInstruction whileInst = (WhileInstruction)inst;
                childProgram = whileInst.getBlockProgram();
                getProgramStats(childProgram, map);
            }
            else if (inst instanceof IfInstruction) {
                IfInstruction ifInst = (IfInstruction)inst;
                
                getProgramStats(ifInst.getElseProgram(), map);
                
                for (int then = 0; then < ifInst.getThenCount(); then++) {
                    childProgram = ifInst.getThenProgram(then);
                    Condition condition = ifInst.getThenCondition(then);
                    if (!(condition instanceof RecurseProgramCondition)) {
                        getProgramStats(childProgram, map);    
                    }
                }
            }
            
            List instrs = (List)map.get(inst.getClass());
            if (instrs == null) {
                instrs = new LinkedList();
                map.put(inst.getClass(), instrs);
            }
            instrs.add(inst);
        }
        return map;
    }

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      TestProcessor.doProcess(plan, new FakeDataManager(), new List[] {Arrays.asList(expected)}, new CommandContext());
    }
    
    public Program exampleProgram(FakeMetadataFacade metadata, XMLProcessorEnvironment env) throws Exception{


        ProcessorInstruction i0 = new InitializeDocumentInstruction("UTF-8", true);         //$NON-NLS-1$
        NodeDescriptor descriptor = NodeDescriptor.createNodeDescriptor("Catalogs", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i1 = new AddNodeInstruction(descriptor);
        ProcessorInstruction i2 = new MoveDocInstruction(MoveDocInstruction.DOWN);
        descriptor = NodeDescriptor.createNodeDescriptor("Catalog", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i3 = new AddNodeInstruction(descriptor);
        ProcessorInstruction i4 = new MoveDocInstruction(MoveDocInstruction.DOWN);
        descriptor = NodeDescriptor.createNodeDescriptor("Items", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i5 = new AddNodeInstruction(descriptor);
        ProcessorInstruction i6 = new MoveDocInstruction(MoveDocInstruction.DOWN);        
        
        ResultSetInfo info = new ResultSetInfo("xmltest.rs"); //$NON-NLS-1$
        ProcessorInstruction i7 = new ExecSqlInstruction("xmltest.rs", info);                 //$NON-NLS-1$
        ProcessorInstruction i8 = new MoveCursorInstruction("xmltest.rs"); //$NON-NLS-1$


        WhileInstruction i9 = new WhileInstruction("xmltest.rs");         //$NON-NLS-1$
        descriptor = NodeDescriptor.createNodeDescriptor("Item", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i10 = new AddNodeInstruction(descriptor);
        ProcessorInstruction i11 = new MoveDocInstruction(MoveDocInstruction.DOWN);
        descriptor = NodeDescriptor.createNodeDescriptor("ItemID", null, AddNodeInstruction.ATTRIBUTE, null, null, null, false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i12 = new AddNodeInstruction(descriptor, new ElementSymbol("xmltest.rs.itemNum")); //$NON-NLS-1$
        descriptor = NodeDescriptor.createNodeDescriptor("Name", null, AddNodeInstruction.ELEMENT, null, null, null, false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i13 = new AddNodeInstruction(descriptor, new ElementSymbol("xmltest.rs.itemName"));//$NON-NLS-1$
        descriptor = NodeDescriptor.createNodeDescriptor("Quantity", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i14 = new AddNodeInstruction(descriptor, new ElementSymbol("xmltest.rs.itemQuantity"));//$NON-NLS-1$
        ProcessorInstruction i15 = new MoveDocInstruction(MoveDocInstruction.UP);
        ProcessorInstruction i16 = new MoveCursorInstruction("xmltest.rs"); //$NON-NLS-1$


        ProcessorInstruction i17 = new MoveDocInstruction(MoveDocInstruction.UP);
        ProcessorInstruction i18 = new MoveDocInstruction(MoveDocInstruction.UP);
        ProcessorInstruction i19 = new MoveDocInstruction(MoveDocInstruction.UP);
        
        ProcessorInstruction i20 = new EndDocumentInstruction();
        
        // Stitch them together
        
        Program program = new Program();
        program.addInstruction(i0);

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        //ProgramUtil.printProgram(program);
        return program;        
    }


    public Program exampleProgram2(Criteria crit, FakeMetadataFacade metadata, XMLProcessorEnvironment env) throws Exception{
        ProcessorInstruction i0 = new InitializeDocumentInstruction("UTF-8", true);         //$NON-NLS-1$
        NodeDescriptor descriptor = NodeDescriptor.createNodeDescriptor("Catalogs", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i1 = new AddNodeInstruction(descriptor);
        ProcessorInstruction i2 = new MoveDocInstruction(MoveDocInstruction.DOWN);
        descriptor = NodeDescriptor.createNodeDescriptor("Catalog", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i3 = new AddNodeInstruction(descriptor);
        ProcessorInstruction i4 = new MoveDocInstruction(MoveDocInstruction.DOWN);
        descriptor = NodeDescriptor.createNodeDescriptor("Items", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i5 = new AddNodeInstruction(descriptor);
        ProcessorInstruction i6 = new MoveDocInstruction(MoveDocInstruction.DOWN);        


        ResultSetInfo info = new ResultSetInfo("xmltest.rs"); //$NON-NLS-1$
        ProcessorInstruction i7 = new ExecSqlInstruction("xmltest.rs", info);                 //$NON-NLS-1$
        ProcessorInstruction i8 = new MoveCursorInstruction("xmltest.rs"); //$NON-NLS-1$


        WhileInstruction i9 = new WhileInstruction("xmltest.rs");         //$NON-NLS-1$


        //need to move this up here so it can be referenced by "If" instruction
        ProcessorInstruction i17 = new MoveCursorInstruction("xmltest.rs"); //$NON-NLS-1$


        IfInstruction i10 = new IfInstruction( );
        descriptor = NodeDescriptor.createNodeDescriptor("Item", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i11 = new AddNodeInstruction(descriptor);
        ProcessorInstruction i12 = new MoveDocInstruction(MoveDocInstruction.DOWN);
        descriptor = NodeDescriptor.createNodeDescriptor("ItemID", null, AddNodeInstruction.ATTRIBUTE, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i13 = new AddNodeInstruction(descriptor, new ElementSymbol("xmltest.rs.itemNum"));//$NON-NLS-1$
        descriptor = NodeDescriptor.createNodeDescriptor("Name", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i14 = new AddNodeInstruction(descriptor, new ElementSymbol("xmltest.rs.itemName"));//$NON-NLS-1$
        descriptor = NodeDescriptor.createNodeDescriptor("Quantity", null, AddNodeInstruction.ELEMENT, null, null, null,false, null, MappingNodeConstants.NORMALIZE_TEXT_PRESERVE);//$NON-NLS-1$
        ProcessorInstruction i15 = new AddNodeInstruction(descriptor, new ElementSymbol("xmltest.rs.itemQuantity")); //$NON-NLS-1$       
        ProcessorInstruction i16 = new MoveDocInstruction(MoveDocInstruction.UP);


        ProcessorInstruction i18 = new MoveDocInstruction(MoveDocInstruction.UP);
        ProcessorInstruction i19 = new MoveDocInstruction(MoveDocInstruction.UP);
        ProcessorInstruction i20 = new MoveDocInstruction(MoveDocInstruction.UP);
        ProcessorInstruction i21 = new EndDocumentInstruction();


        
        // Stitch them together


        Program program = new Program();

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Related Classes of org.teiid.query.processor.xml.ProcessorInstruction

org.teiid.query.optimizer.xml.XMLPlanToProcessVisitor

org.teiid.query.processor.xml.TestInstructions

org.teiid.query.processor.xml.XMLProgramUtil

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