Package org.apache.pig.newplan

Examples of org.apache.pig.newplan.DepthFirstWalker

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    private static class SillyAllExpressionVisitor extends AllExpressionVisitor {
        StringBuffer buf = new StringBuffer();

        public SillyAllExpressionVisitor(OperatorPlan plan) throws FrontendException {
            super(plan, new DepthFirstWalker(plan));
        }
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        private List<ProjectExpression> projs = new ArrayList<ProjectExpression>();

        protected FindProjects(LogicalExpressionPlan plan)
                throws FrontendException {
            super(plan, new DepthFirstWalker(plan));
        }
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        depthFirst(null, leaves, seen, visitor);
    }

    public PlanWalker spawnChildWalker(OperatorPlan plan) {
        return new DepthFirstWalker(plan);
    }
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import org.apache.pig.newplan.logical.relational.LogicalRelationalNodesVisitor;

public class InputOutputFileValidatorVisitor extends LogicalRelationalNodesVisitor {
    private PigContext pigCtx;
    public InputOutputFileValidatorVisitor(OperatorPlan plan, PigContext pigContext) throws FrontendException {
        super(plan, new DepthFirstWalker(plan));
        pigCtx = pigContext;
    }
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        plan.connect(fred, joe);
        plan.connect(joe, bob);
       
        SillyVisitor v =
            new SillyVisitor(plan, new DepthFirstWalker(plan));
       
        v.visit();
       
        String s = v.getVisitPattern();
       
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        plan.connect(fred, joe);
        plan.connect(joe, jill);
        plan.connect(joe, jane);
       
        SillyVisitor v =
            new SillyVisitor(plan, new DepthFirstWalker(plan));
       
        v.visit();
       
        String s = v.getVisitPattern();
       
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        plan.connect(joe, bob);
        plan.connect(bob, jill);
        plan.connect(bob, jane);
       
        SillyVisitor v =
            new SillyVisitor(plan, new DepthFirstWalker(plan));
       
        v.visit();
       
        String s = v.getVisitPattern();
       
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    private static class TestLogicalVisitor extends LogicalRelationalNodesVisitor {
       
        StringBuffer bf = new StringBuffer();

        protected TestLogicalVisitor(OperatorPlan plan) throws FrontendException {
            super(plan, new DepthFirstWalker(plan));
        }
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    private static class TestExpressionVisitor extends LogicalExpressionVisitor {
       
        StringBuffer bf = new StringBuffer();

        protected TestExpressionVisitor(OperatorPlan plan) throws FrontendException {
            super(plan, new DepthFirstWalker(plan));
        }
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        plan.connect(fred, joe);
        plan.connect(joe, bob);
       
        SillyVisitor v =
            new SillyVisitor(plan, new DepthFirstWalker(plan));
       
        v.visit();
       
        String s = v.getVisitPattern();
       
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Related Classes of org.apache.pig.newplan.DepthFirstWalker

  • org.apache.pig.newplan.logical.optimizer.ProjectionPatcher$ProjectionRewriter
  • org.apache.pig.newplan.logical.rules.InputOutputFileValidator$InputOutputFileVisitor
  • org.apache.pig.newplan.logical.rules.LoadStoreFuncDupSignatureValidator$LoadStoreFuncDupSignatureVisitor
  • org.apache.pig.newplan.logical.visitor.InputOutputFileValidatorVisitor
  • org.apache.pig.newplan.logical.visitor.ProjectStarExpander$FindProjects
  • org.apache.pig.newplan.PColFilterExtractor
  • org.apache.pig.pen.util.PreOrderDepthFirstWalker
  • org.apache.pig.test.TestNewPlanListener$SillyAllExpressionVisitor
  • org.apache.pig.test.TestNewPlanListener$SillyExpressionVisitor
  • org.apache.pig.test.TestNewPlanListener$SillySameVisitor
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