Examples of ReverseDependencyOrderWalker


Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

class DNFPlanGenerator extends LogicalExpressionVisitor {
    private OperatorPlan dnfPlan = null;
    Deque<LogicalExpression> result;

    DNFPlanGenerator(OperatorPlan plan) throws FrontendException {
        super(plan, new ReverseDependencyOrderWalker(plan));
        result = new LinkedList<LogicalExpression>();
    }
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Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

        new HashMap<LOLoad,Pair<Map<Integer,Set<String>>,Set<Integer>>>();
    private boolean columnPrune;

    public ColumnPruneVisitor(OperatorPlan plan, Map<LOLoad,Pair<Map<Integer,Set<String>>,Set<Integer>>> requiredItems,
            boolean columnPrune) throws FrontendException {
        super(plan, new ReverseDependencyOrderWalker(plan));
        this.columnPrune = columnPrune;
        this.requiredItems = requiredItems;
    }
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Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

            class TrimVisitor extends AllSameExpressionVisitor {
                LogicalExpressionPlan plan;

                TrimVisitor(LogicalExpressionPlan plan)
                                throws FrontendException {
                    super(plan, new ReverseDependencyOrderWalker(plan));
                    // the plan will be trimmed in-place on the original plan: this is
                    // ok because the ReverseDependencyOrderWalker first build the
                    // traversal ordering from the original plan, then starts the
                    // traversal which does not rely upon the topology of the original plan
                    this.plan = plan;
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Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

            class TrimVisitor extends AllSameExpressionVisitor {
                LogicalExpressionPlan plan;

                TrimVisitor(LogicalExpressionPlan plan)
                                throws FrontendException {
                    super(plan, new ReverseDependencyOrderWalker(plan));
                    // the plan will be trimmed in-place on the original plan: this is
                    // ok because the ReverseDependencyOrderWalker first build the
                    // traversal ordering from the original plan, then starts the
                    // traversal which does not rely upon the topology of the original plan
                    this.plan = plan;
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Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

    // a schema. They may be the uids of lower level fields of complex fields
    // that have their own schema.
    static private class ColumnDependencyVisitor extends LogicalRelationalNodesVisitor {

        public ColumnDependencyVisitor(OperatorPlan plan) throws FrontendException {
            super(plan, new ReverseDependencyOrderWalker(plan));
        }
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Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

*/
class ConstExpEvaluator extends LogicalExpressionVisitor {
    Deque<ConstantExpression> result;

    ConstExpEvaluator(OperatorPlan plan) throws FrontendException {
        super(plan, new ReverseDependencyOrderWalker(plan));
        result = new LinkedList<ConstantExpression>();
    }
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Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

   
    static public class FullMapCollector extends AllExpressionVisitor {
        Set<Long> fullMapUids = new HashSet<Long>();

        protected FullMapCollector(OperatorPlan plan, Set<Long> fullMapUids) throws FrontendException {
            super(plan, new ReverseDependencyOrderWalker(plan));
            this.fullMapUids = fullMapUids;
        }
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Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

}

class FieldSchemaResetter extends AllSameExpressionVisitor {

    protected FieldSchemaResetter(OperatorPlan p) throws FrontendException {
        super(p, new ReverseDependencyOrderWalker(p));
    }
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Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

    }
}

class ExpressionUidResetter extends AllSameExpressionVisitor {
    protected ExpressionUidResetter(OperatorPlan p) throws FrontendException {
        super(p, new ReverseDependencyOrderWalker(p));
    }
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Examples of org.apache.pig.newplan.ReverseDependencyOrderWalker

    static public class MapMarker extends AllExpressionVisitor {
       
        Map<Long,Set<String>> inputUids = null;

        protected MapMarker(OperatorPlan plan) throws FrontendException {
            super(plan, new ReverseDependencyOrderWalker(plan));
            inputUids = new HashMap<Long,Set<String>>();
        }
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