Package org.apache.flink.compiler.plan

Examples of org.apache.flink.compiler.plan.SingleInputPlanNode

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  public void testSingleInputOperatorsWithReCreation() {
    try {
      SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Source");
     
      Channel toMap1 = new Channel(target);
      SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
     
      Channel toMap2 = new Channel(map1);
      SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
     
      // set ship strategy in first channel, so later non matching global properties do not matter
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(1, 2));
        LocalProperties lp = LocalProperties.EMPTY;
       
        RequestedGlobalProperties reqGp = new RequestedGlobalProperties();
        reqGp.setAnyPartitioning(new FieldSet(2, 5));
       
        toMap1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(2, 5));
        toMap1.setLocalStrategy(LocalStrategy.NONE);
       
        toMap2.setShipStrategy(ShipStrategyType.FORWARD);
        toMap2.setLocalStrategy(LocalStrategy.NONE);
       
       
        toMap1.setRequiredGlobalProps(null);
        toMap1.setRequiredLocalProps(null);
       
        toMap2.setRequiredGlobalProps(reqGp);
        toMap2.setRequiredLocalProps(null);
       
        FeedbackPropertiesMeetRequirementsReport report = map2.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(MET, report);
      }
     
      // set ship strategy in second channel, so previous non matching global properties void the match
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(1, 2));
        LocalProperties lp = LocalProperties.EMPTY;
       
        RequestedGlobalProperties reqGp = new RequestedGlobalProperties();
        reqGp.setAnyPartitioning(new FieldSet(2, 5));
       
        toMap1.setShipStrategy(ShipStrategyType.FORWARD);
        toMap1.setLocalStrategy(LocalStrategy.NONE);
       
        toMap2.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(2, 5));
        toMap2.setLocalStrategy(LocalStrategy.NONE);
       
       
        toMap1.setRequiredGlobalProps(reqGp);
        toMap1.setRequiredLocalProps(null);
       
        toMap2.setRequiredGlobalProps(null);
        toMap2.setRequiredLocalProps(null);
       
        FeedbackPropertiesMeetRequirementsReport report = map2.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(NOT_MET, report);
      }
     
      // set local strategy in first channel, so later non matching local properties do not matter
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(1, 2));
        LocalProperties lp = LocalProperties.forOrdering(new Ordering(3, null, Order.ASCENDING).appendOrdering(1, null, Order.DESCENDING));
       
        RequestedLocalProperties reqLp = new RequestedLocalProperties();
        reqLp.setGroupedFields(new FieldList(4, 1));
       
        toMap1.setShipStrategy(ShipStrategyType.FORWARD);
        toMap1.setLocalStrategy(LocalStrategy.SORT, new FieldList(5, 7), new boolean[] {false, false});
       
        toMap2.setShipStrategy(ShipStrategyType.FORWARD);
        toMap2.setLocalStrategy(LocalStrategy.NONE);
       
        toMap1.setRequiredGlobalProps(null);
        toMap1.setRequiredLocalProps(null);
       
        toMap2.setRequiredGlobalProps(null);
        toMap2.setRequiredLocalProps(reqLp);
       
        FeedbackPropertiesMeetRequirementsReport report = map2.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // set local strategy in second channel, so previous non matching local properties void the match
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(1, 2));
        LocalProperties lp = LocalProperties.forOrdering(new Ordering(3, null, Order.ASCENDING).appendOrdering(1, null, Order.DESCENDING));
       
        RequestedLocalProperties reqLp = new RequestedLocalProperties();
        reqLp.setGroupedFields(new FieldList(4, 1));
       
        toMap1.setShipStrategy(ShipStrategyType.FORWARD);
        toMap1.setLocalStrategy(LocalStrategy.NONE);
       
        toMap2.setShipStrategy(ShipStrategyType.FORWARD);
        toMap2.setLocalStrategy(LocalStrategy.SORT, new FieldList(5, 7), new boolean[] {false, false});
       
       
        toMap1.setRequiredGlobalProps(null);
        toMap1.setRequiredLocalProps(reqLp);
       
        toMap2.setRequiredGlobalProps(null);
        toMap2.setRequiredLocalProps(null);
       
        FeedbackPropertiesMeetRequirementsReport report = map2.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(NOT_MET, report);
      }
     
      // create the properties on the same node as the requirement
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(1, 2));
        LocalProperties lp = LocalProperties.forOrdering(new Ordering(3, null, Order.ASCENDING).appendOrdering(1, null, Order.DESCENDING));
       
        RequestedGlobalProperties reqGp = new RequestedGlobalProperties();
        reqGp.setAnyPartitioning(new FieldSet(5, 7));
       
        RequestedLocalProperties reqLp = new RequestedLocalProperties();
        reqLp.setGroupedFields(new FieldList(5, 7));
       
        toMap1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(5, 7));
        toMap1.setLocalStrategy(LocalStrategy.SORT, new FieldList(5, 7), new boolean[] {false, false});
       
        toMap2.setShipStrategy(ShipStrategyType.FORWARD);
        toMap2.setLocalStrategy(LocalStrategy.NONE);
       
        toMap1.setRequiredGlobalProps(reqGp);
        toMap1.setRequiredLocalProps(reqLp);
       
        toMap2.setRequiredGlobalProps(null);
        toMap2.setRequiredLocalProps(null);
       
        FeedbackPropertiesMeetRequirementsReport report = map2.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(MET, report);
      }
    }
    catch (Exception e) {
      e.printStackTrace();
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  public void testSingleInputOperatorsChainOfThree() {
    try {
      SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Source");
     
      Channel toMap1 = new Channel(target);
      SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
     
      Channel toMap2 = new Channel(map1);
      SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
     
      Channel toMap3 = new Channel(map2);
      SingleInputPlanNode map3 = new SingleInputPlanNode(getMapNode(), "Mapper 3", toMap3, DriverStrategy.MAP);
     
      // set local strategy in first channel, so later non matching local properties do not matter
      {
        GlobalProperties gp = new GlobalProperties();
        LocalProperties lp = LocalProperties.forOrdering(new Ordering(3, null, Order.ASCENDING).appendOrdering(1, null, Order.DESCENDING));
       
        RequestedLocalProperties reqLp = new RequestedLocalProperties();
        reqLp.setGroupedFields(new FieldList(4, 1));
       
        toMap1.setShipStrategy(ShipStrategyType.FORWARD);
        toMap1.setLocalStrategy(LocalStrategy.SORT, new FieldList(5, 7), new boolean[] {false, false});
       
        toMap2.setShipStrategy(ShipStrategyType.FORWARD);
        toMap2.setLocalStrategy(LocalStrategy.NONE);
       
        toMap3.setShipStrategy(ShipStrategyType.FORWARD);
        toMap3.setLocalStrategy(LocalStrategy.NONE);
       
        toMap1.setRequiredGlobalProps(null);
        toMap1.setRequiredLocalProps(null);
       
        toMap2.setRequiredGlobalProps(null);
        toMap2.setRequiredLocalProps(null);
       
        toMap3.setRequiredGlobalProps(null);
        toMap3.setRequiredLocalProps(reqLp);
       
        FeedbackPropertiesMeetRequirementsReport report = map3.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // set global strategy in first channel, so later non matching global properties do not matter
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(5, 3));
        LocalProperties lp = LocalProperties.EMPTY;
       
        RequestedGlobalProperties reqGp = new RequestedGlobalProperties();
        reqGp.setAnyPartitioning(new FieldSet(2, 3));
       
        toMap1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(1, 2));
        toMap1.setLocalStrategy(LocalStrategy.NONE);
       
        toMap2.setShipStrategy(ShipStrategyType.FORWARD);
        toMap2.setLocalStrategy(LocalStrategy.NONE);
       
        toMap3.setShipStrategy(ShipStrategyType.FORWARD);
        toMap3.setLocalStrategy(LocalStrategy.NONE);
       
        toMap1.setRequiredGlobalProps(null);
        toMap1.setRequiredLocalProps(null);
       
        toMap2.setRequiredGlobalProps(null);
        toMap2.setRequiredLocalProps(null);
       
        toMap3.setRequiredGlobalProps(reqGp);
        toMap3.setRequiredLocalProps(null);
       
        FeedbackPropertiesMeetRequirementsReport report = map3.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
    }
    catch (Exception e) {
      e.printStackTrace();
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      SourcePlanNode source2 = new SourcePlanNode(getSourceNode(), "Source 2");
     
      Channel toMap1 = new Channel(source1);
      toMap1.setShipStrategy(ShipStrategyType.FORWARD);
      toMap1.setLocalStrategy(LocalStrategy.NONE);
      SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
     
      Channel toMap2 = new Channel(source2);
      toMap2.setShipStrategy(ShipStrategyType.FORWARD);
      toMap2.setLocalStrategy(LocalStrategy.NONE);
      SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
     
      Channel toJoin1 = new Channel(map1);
      Channel toJoin2 = new Channel(map2);
     
      toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
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      SourcePlanNode source = new SourcePlanNode(getSourceNode(), "Other Source");
     
      Channel toMap1 = new Channel(target);
      toMap1.setShipStrategy(ShipStrategyType.FORWARD);
      toMap1.setLocalStrategy(LocalStrategy.NONE);
      SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
     
      Channel toMap2 = new Channel(source);
      toMap2.setShipStrategy(ShipStrategyType.FORWARD);
      toMap2.setLocalStrategy(LocalStrategy.NONE);
      SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
     
      Channel toJoin1 = new Channel(map1);
      Channel toJoin2 = new Channel(map2);
     
      DualInputPlanNode join = new DualInputPlanNode(getJoinNode(), "Join", toJoin1, toJoin2, DriverStrategy.HYBRIDHASH_BUILD_FIRST);
     
      Channel toAfterJoin = new Channel(join);
      toAfterJoin.setShipStrategy(ShipStrategyType.FORWARD);
      toAfterJoin.setLocalStrategy(LocalStrategy.NONE);
      SingleInputPlanNode afterJoin = new SingleInputPlanNode(getMapNode(), "After Join Mapper", toAfterJoin, DriverStrategy.MAP);
     
      // attach some properties to the non-relevant input
      {
        toMap2.setShipStrategy(ShipStrategyType.BROADCAST);
        toMap2.setLocalStrategy(LocalStrategy.SORT, new FieldList(2, 7), new boolean[] {true, true});
       
        RequestedGlobalProperties joinGp = new RequestedGlobalProperties();
        joinGp.setFullyReplicated();
       
        RequestedLocalProperties joinLp = new RequestedLocalProperties();
        joinLp.setOrdering(new Ordering(2, null, Order.ASCENDING).appendOrdering(7, null, Order.ASCENDING));
       
        toJoin2.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin2.setLocalStrategy(LocalStrategy.NONE);
        toJoin2.setRequiredGlobalProps(joinGp);
        toJoin2.setRequiredLocalProps(joinLp);
      }
     
      // ------------------------------------------------------------------------------------
     
      // no properties from the partial solution, no required properties
      {
        toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin1.setLocalStrategy(LocalStrategy.NONE);
       
        GlobalProperties gp = new GlobalProperties();
        LocalProperties lp = LocalProperties.EMPTY;
       
        FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // some properties from the partial solution, no required properties
      {
        toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin1.setLocalStrategy(LocalStrategy.NONE);
       
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
     
      // produced properties match relevant input
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(0));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(2));
       
        toJoin1.setRequiredGlobalProps(rgp);
        toJoin1.setRequiredLocalProps(rlp);
       
        toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin1.setLocalStrategy(LocalStrategy.NONE);
       
        FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // produced properties do not match relevant input
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(0));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(1, 2, 3));
       
        toJoin1.setRequiredGlobalProps(rgp);
        toJoin1.setRequiredLocalProps(rlp);
       
        toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin1.setLocalStrategy(LocalStrategy.NONE);
       
        FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(NOT_MET, report);
      }
     
      // produced properties overridden before join
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(0));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(2, 1));
       
        toMap1.setRequiredGlobalProps(rgp);
        toMap1.setRequiredLocalProps(rlp);
       
        toJoin1.setRequiredGlobalProps(null);
        toJoin1.setRequiredLocalProps(null);
       
        toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(2, 1));
        toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(7, 3), new boolean[] {true, false});
       
        FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(MET, report);
      }
     
      // produced properties before join match, after join match as well
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(0));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(2, 1));
       
        toMap1.setRequiredGlobalProps(null);
        toMap1.setRequiredLocalProps(null);
       
        toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin1.setLocalStrategy(LocalStrategy.NONE);
       
        toJoin1.setRequiredGlobalProps(rgp);
        toJoin1.setRequiredLocalProps(rlp);
     
        toAfterJoin.setShipStrategy(ShipStrategyType.FORWARD);
        toAfterJoin.setLocalStrategy(LocalStrategy.NONE);
       
        toAfterJoin.setRequiredGlobalProps(rgp);
        toAfterJoin.setRequiredLocalProps(rlp);
       
        FeedbackPropertiesMeetRequirementsReport report = join.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // produced properties before join match, after join do not match
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp1 = new RequestedGlobalProperties();
        rgp1.setHashPartitioned(new FieldList(0));
       
        RequestedGlobalProperties rgp2 = new RequestedGlobalProperties();
        rgp2.setHashPartitioned(new FieldList(3));
       
        RequestedLocalProperties rlp1 = new RequestedLocalProperties();
        rlp1.setGroupedFields(new FieldList(2, 1));
       
        RequestedLocalProperties rlp2 = new RequestedLocalProperties();
        rlp2.setGroupedFields(new FieldList(3, 4));
       
        toJoin1.setRequiredGlobalProps(rgp1);
        toJoin1.setRequiredLocalProps(rlp1);
     
        toAfterJoin.setShipStrategy(ShipStrategyType.FORWARD);
        toAfterJoin.setLocalStrategy(LocalStrategy.NONE);
       
        toAfterJoin.setRequiredGlobalProps(rgp2);
        toAfterJoin.setRequiredLocalProps(rlp2);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(NOT_MET, report);
      }
     
      // produced properties are overridden, does not matter that they do not match
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setAnyPartitioning(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(1));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(1, 2, 3));
       
        toJoin1.setRequiredGlobalProps(null);
        toJoin1.setRequiredLocalProps(null);
       
        toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(2, 1));
        toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(7, 3), new boolean[] {true, false});
       
        toAfterJoin.setRequiredGlobalProps(rgp);
        toAfterJoin.setRequiredLocalProps(rlp);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(MET, report);
      }
     
      // local property overridden before join, local property mismatch after join not relevant
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setAnyPartitioning(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(1, 2, 3));
       
        toJoin1.setRequiredGlobalProps(null);
        toJoin1.setRequiredLocalProps(null);
       
        toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(7, 3), new boolean[] {true, false});
       
        toAfterJoin.setRequiredGlobalProps(null);
        toAfterJoin.setRequiredLocalProps(rlp);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // local property overridden before join, global property mismatch after join void the match
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setAnyPartitioning(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(1));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(1, 2, 3));
       
        toJoin1.setRequiredGlobalProps(null);
        toJoin1.setRequiredLocalProps(null);
       
        toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(7, 3), new boolean[] {true, false});
       
        toAfterJoin.setRequiredGlobalProps(rgp);
        toAfterJoin.setRequiredLocalProps(rlp);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(NOT_MET, report);
      }
    }
    catch (Exception e) {
      e.printStackTrace();
View Full Code Here
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      SourcePlanNode target = new SourcePlanNode(getSourceNode(), "Partial Solution");
     
      Channel toMap1 = new Channel(target);
      toMap1.setShipStrategy(ShipStrategyType.FORWARD);
      toMap1.setLocalStrategy(LocalStrategy.NONE);
      SingleInputPlanNode map1 = new SingleInputPlanNode(getMapNode(), "Mapper 1", toMap1, DriverStrategy.MAP);
     
      Channel toMap2 = new Channel(target);
      toMap2.setShipStrategy(ShipStrategyType.FORWARD);
      toMap2.setLocalStrategy(LocalStrategy.NONE);
      SingleInputPlanNode map2 = new SingleInputPlanNode(getMapNode(), "Mapper 2", toMap2, DriverStrategy.MAP);
     
      Channel toJoin1 = new Channel(map1);
      toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
      toJoin1.setLocalStrategy(LocalStrategy.NONE);
     
      Channel toJoin2 = new Channel(map2);
      toJoin2.setShipStrategy(ShipStrategyType.FORWARD);
      toJoin2.setLocalStrategy(LocalStrategy.NONE);
     
      DualInputPlanNode join = new DualInputPlanNode(getJoinNode(), "Join", toJoin1, toJoin2, DriverStrategy.HYBRIDHASH_BUILD_FIRST);
     
      Channel toAfterJoin = new Channel(join);
      toAfterJoin.setShipStrategy(ShipStrategyType.FORWARD);
      toAfterJoin.setLocalStrategy(LocalStrategy.NONE);
      SingleInputPlanNode afterJoin = new SingleInputPlanNode(getMapNode(), "After Join Mapper", toAfterJoin, DriverStrategy.MAP);
     
      // no properties from the partial solution, no required properties
      {
        GlobalProperties gp = new GlobalProperties();
        LocalProperties lp = LocalProperties.EMPTY;
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // some properties from the partial solution, no required properties
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // test requirements on one input and met
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(0));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(2, 1));
       
        toJoin1.setRequiredGlobalProps(rgp);
        toJoin1.setRequiredLocalProps(rlp);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // test requirements on both input and met
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(0));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(2, 1));
       
        toJoin1.setRequiredGlobalProps(rgp);
        toJoin1.setRequiredLocalProps(rlp);
       
        toJoin2.setRequiredGlobalProps(rgp);
        toJoin2.setRequiredLocalProps(rlp);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertTrue(report != null && report != NO_PARTIAL_SOLUTION && report != NOT_MET);
      }
     
      // test requirements on both inputs, one not met
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp1 = new RequestedGlobalProperties();
        rgp1.setHashPartitioned(new FieldList(0));
       
        RequestedLocalProperties rlp1 = new RequestedLocalProperties();
        rlp1.setGroupedFields(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp2 = new RequestedGlobalProperties();
        rgp2.setHashPartitioned(new FieldList(1));
       
        RequestedLocalProperties rlp2 = new RequestedLocalProperties();
        rlp2.setGroupedFields(new FieldList(0, 3));
       
        toJoin1.setRequiredGlobalProps(rgp1);
        toJoin1.setRequiredLocalProps(rlp1);
       
        toJoin2.setRequiredGlobalProps(rgp2);
        toJoin2.setRequiredLocalProps(rlp2);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(NOT_MET, report);
      }
     
      // test override on both inputs, later requirement ignored
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(1));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(0, 3));
       
        toJoin1.setRequiredGlobalProps(null);
        toJoin1.setRequiredLocalProps(null);
       
        toJoin2.setRequiredGlobalProps(null);
        toJoin2.setRequiredLocalProps(null);
       
        toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(88));
        toJoin2.setShipStrategy(ShipStrategyType.BROADCAST);
       
        toAfterJoin.setRequiredGlobalProps(rgp);
        toAfterJoin.setRequiredLocalProps(rlp);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(MET, report);
      }
     
      // test override on one inputs, later requirement met
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(0));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(2, 1));
       
        toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(88));
        toJoin2.setShipStrategy(ShipStrategyType.FORWARD);
       
        toAfterJoin.setRequiredGlobalProps(rgp);
        toAfterJoin.setRequiredLocalProps(rlp);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(PENDING, report);
      }
     
      // test override on one input, later requirement not met
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(3));
       
        RequestedLocalProperties rlp = new RequestedLocalProperties();
        rlp.setGroupedFields(new FieldList(77, 69));
       
        toJoin1.setShipStrategy(ShipStrategyType.PARTITION_HASH, new FieldList(88));
        toJoin2.setShipStrategy(ShipStrategyType.FORWARD);
       
        toAfterJoin.setRequiredGlobalProps(rgp);
        toAfterJoin.setRequiredLocalProps(rlp);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(NOT_MET, report);
      }
     
      // test override on one input locally, later global requirement not met
      {
        GlobalProperties gp = new GlobalProperties();
        gp.setHashPartitioned(new FieldList(0));
        LocalProperties lp = LocalProperties.forGrouping(new FieldList(2, 1));
       
        RequestedGlobalProperties rgp = new RequestedGlobalProperties();
        rgp.setHashPartitioned(new FieldList(3));
       
       
        toJoin1.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin1.setLocalStrategy(LocalStrategy.SORT, new FieldList(3), new boolean[] { false });
       
        toJoin2.setShipStrategy(ShipStrategyType.FORWARD);
        toJoin1.setLocalStrategy(LocalStrategy.NONE);
       
        toAfterJoin.setRequiredGlobalProps(rgp);
        toAfterJoin.setRequiredLocalProps(null);
       
        FeedbackPropertiesMeetRequirementsReport report = afterJoin.checkPartialSolutionPropertiesMet(target, gp, lp);
        assertEquals(NOT_MET, report);
      }
    }
    catch (Exception e) {
      e.printStackTrace();
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      Plan p = env.createProgramPlan();
      OptimizedPlan op = compileNoStats(p);
     
      SinkPlanNode sink = op.getDataSinks().iterator().next();
     
      SingleInputPlanNode agg2Reducer = (SingleInputPlanNode) sink.getInput().getSource();
      SingleInputPlanNode agg2Combiner = (SingleInputPlanNode) agg2Reducer.getInput().getSource();
      SingleInputPlanNode agg1Reducer = (SingleInputPlanNode) agg2Combiner.getInput().getSource();
     
      assertEquals(ShipStrategyType.PARTITION_HASH, agg2Reducer.getInput().getShipStrategy());
      assertEquals(new FieldList(0), agg2Reducer.getInput().getShipStrategyKeys());
     
      assertEquals(ShipStrategyType.FORWARD, agg2Combiner.getInput().getShipStrategy());
     
      assertEquals(ShipStrategyType.PARTITION_HASH, agg1Reducer.getInput().getShipStrategy());
      assertEquals(new FieldList(0, 1), agg1Reducer.getInput().getShipStrategyKeys());
    }
    catch (Exception e) {
      e.printStackTrace();
      fail(e.getMessage());
    }
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      Plan p = env.createProgramPlan();
      OptimizedPlan op = compileNoStats(p);
     
      SinkPlanNode sink = op.getDataSinks().iterator().next();
     
      SingleInputPlanNode agg2Reducer = (SingleInputPlanNode) sink.getInput().getSource();
      SingleInputPlanNode agg1Reducer = (SingleInputPlanNode) agg2Reducer.getInput().getSource();
     
      assertEquals(ShipStrategyType.FORWARD, agg2Reducer.getInput().getShipStrategy());
     
      assertEquals(ShipStrategyType.PARTITION_HASH, agg1Reducer.getInput().getShipStrategy());
      assertEquals(new FieldList(0), agg1Reducer.getInput().getShipStrategyKeys());
    }
    catch (Exception e) {
      e.printStackTrace();
      fail(e.getMessage());
    }
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      OptimizedPlan oPlan = compileNoStats(plan);
 
      OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(oPlan);
      DualInputPlanNode joinWithInvariantNode = resolver.getNode(JOIN_WITH_INVARIANT_NAME);
      DualInputPlanNode joinWithSolutionSetNode = resolver.getNode(JOIN_WITH_SOLUTION_SET);
      SingleInputPlanNode worksetReducer = resolver.getNode(NEXT_WORKSET_REDUCER_NAME);
      SingleInputPlanNode deltaMapper = resolver.getNode(SOLUTION_DELTA_MAPPER_NAME);
     
      // iteration preserves partitioning in reducer, so the first partitioning is out of the loop,
      // the in-loop partitioning is before the final reducer
     
      // verify joinWithInvariant
      assertEquals(ShipStrategyType.FORWARD, joinWithInvariantNode.getInput1().getShipStrategy());
      assertEquals(ShipStrategyType.PARTITION_HASH, joinWithInvariantNode.getInput2().getShipStrategy());
      assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput1());
      assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput2());
     
      // verify joinWithSolutionSet
      assertEquals(ShipStrategyType.PARTITION_HASH, joinWithSolutionSetNode.getInput1().getShipStrategy());
      assertEquals(ShipStrategyType.FORWARD, joinWithSolutionSetNode.getInput2().getShipStrategy());
      assertEquals(new FieldList(1, 0), joinWithSolutionSetNode.getKeysForInput1());
     
     
      // verify reducer
      assertEquals(ShipStrategyType.PARTITION_HASH, worksetReducer.getInput().getShipStrategy());
      assertEquals(new FieldList(1, 2), worksetReducer.getKeys(0));
     
      // currently, the system may partition before or after the mapper
      ShipStrategyType ss1 = deltaMapper.getInput().getShipStrategy();
      ShipStrategyType ss2 = deltaMapper.getOutgoingChannels().get(0).getShipStrategy();
     
      assertTrue( (ss1 == ShipStrategyType.FORWARD && ss2 == ShipStrategyType.PARTITION_HASH) ||
            (ss2 == ShipStrategyType.FORWARD && ss1 == ShipStrategyType.PARTITION_HASH) );
   
      new NepheleJobGraphGenerator().compileJobGraph(oPlan);
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      OptimizedPlan oPlan = compileNoStats(plan);
     
      OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(oPlan);
      DualInputPlanNode joinWithInvariantNode = resolver.getNode(JOIN_WITH_INVARIANT_NAME);
      DualInputPlanNode joinWithSolutionSetNode = resolver.getNode(JOIN_WITH_SOLUTION_SET);
      SingleInputPlanNode worksetReducer = resolver.getNode(NEXT_WORKSET_REDUCER_NAME);
     
      // iteration preserves partitioning in reducer, so the first partitioning is out of the loop,
      // the in-loop partitioning is before the final reducer
     
      // verify joinWithInvariant
      assertEquals(ShipStrategyType.FORWARD, joinWithInvariantNode.getInput1().getShipStrategy());
      assertEquals(ShipStrategyType.PARTITION_HASH, joinWithInvariantNode.getInput2().getShipStrategy());
      assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput1());
      assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput2());
     
      // verify joinWithSolutionSet
      assertEquals(ShipStrategyType.PARTITION_HASH, joinWithSolutionSetNode.getInput1().getShipStrategy());
      assertEquals(ShipStrategyType.FORWARD, joinWithSolutionSetNode.getInput2().getShipStrategy());
      assertEquals(new FieldList(1, 0), joinWithSolutionSetNode.getKeysForInput1());
     
      // verify reducer
      assertEquals(ShipStrategyType.PARTITION_HASH, worksetReducer.getInput().getShipStrategy());
      assertEquals(new FieldList(1, 2), worksetReducer.getKeys(0));
     
      // verify solution delta
      assertEquals(2, joinWithSolutionSetNode.getOutgoingChannels().size());
      assertEquals(ShipStrategyType.PARTITION_HASH, joinWithSolutionSetNode.getOutgoingChannels().get(0).getShipStrategy());
      assertEquals(ShipStrategyType.PARTITION_HASH, joinWithSolutionSetNode.getOutgoingChannels().get(1).getShipStrategy());
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      OptimizerPlanNodeResolver resolver = getOptimizerPlanNodeResolver(oPlan);
      DualInputPlanNode joinWithInvariantNode = resolver.getNode(JOIN_WITH_INVARIANT_NAME);
      DualInputPlanNode joinWithSolutionSetNode = resolver.getNode(JOIN_WITH_SOLUTION_SET);
      SingleInputPlanNode worksetReducer = resolver.getNode(NEXT_WORKSET_REDUCER_NAME);
     
      // iteration preserves partitioning in reducer, so the first partitioning is out of the loop,
      // the in-loop partitioning is before the final reducer
     
      // verify joinWithInvariant
      assertEquals(ShipStrategyType.FORWARD, joinWithInvariantNode.getInput1().getShipStrategy());
      assertEquals(ShipStrategyType.PARTITION_HASH, joinWithInvariantNode.getInput2().getShipStrategy());
      assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput1());
      assertEquals(new FieldList(1, 2), joinWithInvariantNode.getKeysForInput2());
     
      // verify joinWithSolutionSet
      assertEquals(ShipStrategyType.PARTITION_HASH, joinWithSolutionSetNode.getInput1().getShipStrategy());
      assertEquals(ShipStrategyType.FORWARD, joinWithSolutionSetNode.getInput2().getShipStrategy());
      assertEquals(new FieldList(1, 0), joinWithSolutionSetNode.getKeysForInput1());
     
      // verify reducer
      assertEquals(ShipStrategyType.FORWARD, worksetReducer.getInput().getShipStrategy());
      assertEquals(new FieldList(1, 2), worksetReducer.getKeys(0));
     
     
      // verify solution delta
      assertEquals(1, joinWithSolutionSetNode.getOutgoingChannels().size());
      assertEquals(ShipStrategyType.FORWARD, joinWithSolutionSetNode.getOutgoingChannels().get(0).getShipStrategy());
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