Package org.drools.core.reteoo

Examples of org.drools.core.reteoo.RuleTerminalNodeLeftTuple

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                    final PropagationContext context2 = pctxFactory.createPropagationContext(0,
                                                                                             0,
                                                                                             rule,
                                                                                             (RuleTerminalNodeLeftTuple) knowledgeHelper.getTuple(),
                                                                                             null);
                    final RuleTerminalNodeLeftTuple tuple2 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(2,
                                                                                                                 "cheese"),
                                                                                           node,
                                                                                           true);
                    node.assertLeftTuple(tuple2,
                                         context2,
                                         (AbstractWorkingMemory) workingMemory);
                }
                data.add("tested");
            }

            public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {

            }

            public void writeExternal(ObjectOutput out) throws IOException {

            }

            public String getName() {
                return "default";
            }
        });

        final PropagationContext context1 = pctxFactory.createPropagationContext(0,
                                                                                 PropagationContext.INSERTION,
                                                                                 null,
                                                                                 null,
                                                                                 null);

        final RuleTerminalNodeLeftTuple tuple1 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(1,
                                                                                                     "cheese"),
                                                                               node,
                                                                               true);
        rule.setTimer(new DurationTimer(50));
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                    final PropagationContext context2 = pctxFactory.createPropagationContext(0,
                                                                                             0,
                                                                                             rule,
                                                                                             (RuleTerminalNodeLeftTuple) knowledgeHelper.getTuple(),
                                                                                             null);
                    final RuleTerminalNodeLeftTuple tuple2 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(2,
                                                                                                                 "cheese"),
                                                                                           node,
                                                                                           true);
                    node.assertLeftTuple(tuple2,
                                         context2,
                                         (AbstractWorkingMemory) workingMemory);
                }
                data.add("tested");
            }

            public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {

            }

            public void writeExternal(ObjectOutput out) throws IOException {

            }

            public String getName() {
                return "default";
            }
        });

        final PropagationContext context1 = pctxFactory.createPropagationContext(0,
                                                                                 PropagationContext.INSERTION,
                                                                                 null,
                                                                                 null,
                                                                                 null);

        final RuleTerminalNodeLeftTuple tuple1 = new RuleTerminalNodeLeftTuple(new DefaultFactHandle(1,
                                                                                                     "cheese"),
                                                                               node,
                                                                               true);
        node.assertLeftTuple(tuple1,
                             context1,
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        ReteooRuleBase rbase = ( ReteooRuleBase ) RuleBaseFactory.newRuleBase(conf);
        StatefulSession wm = rbase.newStatefulSession();

        InternalAgenda agenda = ( InternalAgenda ) wm.getAgenda();
        AgendaItem item1 = new RuleTerminalNodeLeftTuple();
        AgendaItem item2 = new RuleTerminalNodeLeftTuple();
        AgendaItem item3 = new RuleTerminalNodeLeftTuple();
        agenda.createAgendaItem((LeftTuple)item1, 0, null, null, null, null);
        agenda.createAgendaItem((LeftTuple)item2, 0, null, null, null, null);
        agenda.createAgendaItem((LeftTuple)item3, 0, null, null, null, null);
       
        DefaultKnowledgeHelper kcontext = new DefaultKnowledgeHelper( wm );
        kcontext.setActivation( item1 );
       
        // set blockers
        kcontext.blockMatch( item2 );
        kcontext.blockMatch( item3 );
       
        assertNull( item1.getBlockers() );
        assertEquals( 2, item1.getBlocked().size() );
        assertEquals( 1, item2.getBlockers().size() );
        assertEquals( 1, item3.getBlockers().size() );
       
        kcontext.reset();
        kcontext.setActivation( item2 );
        kcontext.blockMatch( item3 );
        assertEquals( 2, item1.getBlocked().size() );
       
        assertEquals( 1, item2.getBlocked().size() );
        assertEquals( 1, item2.getBlockers().size() );
        assertEquals( 2, item3.getBlockers().size() );       
       
        // now check correctly unblocks when parent activation is retracted
       
        //agenda.createAgendaItem( tuple, salience, context, rtn )-
    }
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        ReteooRuleBase rbase = ( ReteooRuleBase ) RuleBaseFactory.newRuleBase(conf);
        StatefulSession wm = rbase.newStatefulSession();

        InternalAgenda agenda = ( InternalAgenda ) wm.getAgenda();
        AgendaItem item1 = new RuleTerminalNodeLeftTuple();
        AgendaItem item2 = new RuleTerminalNodeLeftTuple();
        AgendaItem item3 = new RuleTerminalNodeLeftTuple();
        agenda.createAgendaItem((LeftTuple)item1, 0, null, null, null, null);
        agenda.createAgendaItem((LeftTuple)item2, 0, null, null, null, null);
        agenda.createAgendaItem((LeftTuple)item3, 0, null, null, null, null);
       
        // use same data structure as testAddition
        DefaultKnowledgeHelper kcontext = new DefaultKnowledgeHelper( wm );
        kcontext.setActivation( item1 );
       
        // set blockers
        kcontext.blockMatch( item2 );
        kcontext.blockMatch( item3 );
       
         // set blocked
        kcontext.reset();
        kcontext.setActivation( item2 );
        kcontext.blockMatch( item3 );
       
        // Check all references are updated correctly when item1 is retracted
        item1.removeAllBlockersAndBlocked(agenda);
        assertEquals( 0, item2.getBlockers().size() );       
        assertEquals( 1, item2.getBlocked().size() );
        assertEquals(1, item3.getBlockers().size());
        assertNull(item3.getBlocked());
        assertSame( item2, ((LogicalDependency)item2.getBlocked().getFirst()).getJustifier() );
        assertSame( item3, ((LogicalDependency)item2.getBlocked().getFirst()).getJustified() );
       
        // now retract item2
        item2.removeAllBlockersAndBlocked(agenda);
        assertEquals( 0, item3.getBlockers().size() );
        assertNull( item3.getBlocked() );
         
        assertNull( item2.getBlocked() );
        assertNull( item2.getBlocked() );
         
        assertNull( item1.getBlocked() );
        assertNull( item1.getBlocked() );
       
        // reblock with item2, so that we can retract item3
        kcontext.blockMatch( item3 );
        assertNull( item2.getBlockers() );       
        assertEquals( 1, item2.getBlocked().size() );
        assertEquals(1, item3.getBlockers().size());
        assertNull(item3.getBlocked());
        assertSame( item2, ((LogicalDependency)item2.getBlocked().getFirst()).getJustifier() );
        assertSame( item3, ((LogicalDependency)item2.getBlocked().getFirst()).getJustified() );       
       
        item3.removeAllBlockersAndBlocked(agenda);
        assertNull(item3.getBlockers() );
        assertNull( item3.getBlocked() );
         
        assertEquals( 0, item2.getBlocked().size() );
        assertNull( item2.getBlockers() );
         
        assertNull( item1.getBlocked() );
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        ReteooRuleBase rbase = ( ReteooRuleBase ) RuleBaseFactory.newRuleBase(conf);
        StatefulSession wm = rbase.newStatefulSession();

        InternalAgenda agenda = ( InternalAgenda ) wm.getAgenda();
        AgendaItem item1 = new RuleTerminalNodeLeftTuple();
        AgendaItem item2 = new RuleTerminalNodeLeftTuple();
        AgendaItem item3 = new RuleTerminalNodeLeftTuple();
        agenda.createAgendaItem((LeftTuple)item1, 0, null, null, null, null);
        agenda.createAgendaItem((LeftTuple)item2, 0, null, null, null, null);
        agenda.createAgendaItem((LeftTuple)item3, 0, null, null, null, null);
       
        // use same data structure as testAddition
        DefaultKnowledgeHelper kcontext = new DefaultKnowledgeHelper( wm );
        kcontext.setActivation( item1 );
        kcontext.blockMatch( item3 );
       
        kcontext.reset();
        kcontext.setActivation( item2 );
        kcontext.blockMatch( item3 );

        kcontext.unblockAllMatches( item3 );
           
        assertEquals( 0, item3.getBlockers().size() );
        assertNull( item3.getBlocked() );
         
        assertEquals( 0, item2.getBlocked().size() );
        assertNull( item2.getBlockers() );
         
        assertEquals( 0, item1.getBlocked().size() );
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        ReteooRuleBase rbase = ( ReteooRuleBase ) RuleBaseFactory.newRuleBase(conf);
        StatefulSession wm = rbase.newStatefulSession();

        InternalAgenda agenda = ( InternalAgenda ) wm.getAgenda();
        AgendaItem item1 = new RuleTerminalNodeLeftTuple();
        AgendaItem item2 = new RuleTerminalNodeLeftTuple();
        AgendaItem item3 = new RuleTerminalNodeLeftTuple();
        AgendaItem item4 = new RuleTerminalNodeLeftTuple();
        agenda.createAgendaItem((LeftTuple)item1, 0, null, null, null, null);
        agenda.createAgendaItem((LeftTuple)item2, 0, null, null, null, null);
        agenda.createAgendaItem((LeftTuple)item3, 0, null, null, null, null);
        agenda.createAgendaItem((LeftTuple)item4, 0, null, null, null, null);
       
        // use same data structure as testAddition
        DefaultKnowledgeHelper kcontext = new DefaultKnowledgeHelper( wm );
        kcontext.setActivation( item1 );
       
        // set blockers
        kcontext.blockMatch( item2 );
        kcontext.blockMatch( item3 );
       
         // set blocked
        kcontext.reset();
        kcontext.setActivation( item1 );
        kcontext.blockMatch( item4 );
        kcontext.cancelRemainingPreviousLogicalDependencies();
       
        // check only item4 is blocked
        assertEquals( 1, item1.getBlocked().size() );
        assertEquals( item4, ((LogicalDependency)item1.getBlocked().getFirst()).getJustified() );
       
        assertEquals( 0, item2.getBlockers().size() );
        assertEquals( 0, item3.getBlockers().size() );
       
        assertEquals( 1, item4.getBlockers().size() );
               
    }
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        };

        rule1.setConsequence( consequence );

        final DefaultFactHandle handle1 = (DefaultFactHandle) workingMemory.insert( "o1" );
        final RuleTerminalNodeLeftTuple tuple1 = new RuleTerminalNodeLeftTuple( handle1,
                                                                                node,
                                                                                true );

        final PropagationContext context1 = pctxFactory.createPropagationContext(0, PropagationContext.INSERTION, null, null, new DefaultFactHandle());

        // Test single activation for a single logical assertions
        node.assertLeftTuple( tuple1,
                              context1,
                              workingMemory );

        final String logicalString = new String( "logical" );
        InternalFactHandle logicalHandle = (InternalFactHandle) workingMemory.insert( logicalString,
                                                                                      null,
                                                                                      false,
                                                                                      true,
                                                                                      rule1,
                                                                                      (Activation) tuple1.getObject() );
        new RightTuple( logicalHandle,
                        sink );
        context1.setFactHandle( handle1 );
        // Retract the tuple and test the logically asserted fact was also retracted
        node.retractLeftTuple( tuple1,
                               context1,
                               workingMemory );

        workingMemory.executeQueuedActions();

        assertLength( 1,
                      sink.getRetracted() );

        Object[] values = (Object[]) sink.getRetracted().get( 0 );

        assertSame( logicalHandle,
                    ((RightTuple) values[0]).getFactHandle() );

        // Test single activation for a single logical assertions. This also
        // tests that logical assertions live on after the related Activation
        // has fired.
        node.assertLeftTuple( tuple1,
                              context1,
                              workingMemory );
        logicalHandle = (InternalFactHandle) workingMemory.insert( logicalString,
                                                                   null,
                                                                   false,
                                                                   true,
                                                                   rule1,
                                                                   (Activation) tuple1.getObject() );

        new RightTuple( logicalHandle,
                        sink );

        agenda.fireNextItem( null, 0, -1 );
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        };
        rule1.setConsequence( consequence );

        final DefaultFactHandle handle1 = new DefaultFactHandle( 1,
                                                                 "cheese" );
        final RuleTerminalNodeLeftTuple tuple1 = new RuleTerminalNodeLeftTuple( handle1,
                                                                                node,
                                                                                true );

        final PropagationContext context1 = pctxFactory.createPropagationContext(0, PropagationContext.INSERTION, null, null, new DefaultFactHandle());

        // Test single activation for a single logical assertions
        node.assertLeftTuple( tuple1,
                              context1,
                              workingMemory );

        final String logicalString1 = new String( "logical" );
        FactHandle logicalHandle1 = workingMemory.insert( logicalString1,
                                                          null,
                                                          false,
                                                          true,
                                                          rule1,
                                                          (Activation) tuple1.getObject() );

        final String logicalString2 = new String( "logical" );
        FactHandle logicalHandle2 = workingMemory.insert( logicalString2,
                                                          null,
                                                          false,
                                                          true,
                                                          rule1,
                                                          (Activation) tuple1.getObject() );

        assertSame( logicalHandle1,
                    logicalHandle2 );

        // little sanity check using normal assert
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        };
        rule1.setConsequence( consequence );

        final DefaultFactHandle handle1 = new DefaultFactHandle( 1,
                                                                 "cheese" );
        final RuleTerminalNodeLeftTuple tuple1 = new RuleTerminalNodeLeftTuple( handle1,
                                                                                node,
                                                                                true );

        final PropagationContext context1 = pctxFactory.createPropagationContext(0, PropagationContext.INSERTION, null, null, new DefaultFactHandle());

        // Test that a STATED assertion overrides a logical assertion
        node.assertLeftTuple( tuple1,
                              context1,
                              workingMemory );

        String logicalString1 = new String( "logical" );
        FactHandle logicalHandle1 = workingMemory.insert( logicalString1,
                                                          null,
                                                          false,
                                                          true,
                                                          rule1,
                                                          (Activation) tuple1.getObject() );

        // This assertion is stated and should override any previous justified
        // "equals" objects.
        String logicalString2 = new String( "logical" );
        FactHandle logicalHandle2 = workingMemory.insert( logicalString2 );

        node.retractLeftTuple( tuple1,
                               context1,
                               workingMemory );

        assertLength( 0,
                      sink.getRetracted() );

        //  we override and discard the original logical object
        assertSame( logicalHandle2,
                    logicalHandle1 );

        // so while new STATED assertion is equal
        assertEquals( logicalString1,
                      workingMemory.getObject( logicalHandle2 ) );
        // they are not identity same
        assertNotSame( logicalString1,
                       workingMemory.getObject( logicalHandle2 ) );

        // Test that a logical assertion cannot override a STATED assertion
        node.assertLeftTuple( tuple1,
                              context1,
                              workingMemory );

        logicalString2 = new String( "logical" );
        logicalHandle2 = workingMemory.insert( logicalString2 );

        // This logical assertion will be ignored as there is already
        // an equals STATED assertion.
        logicalString1 = new String( "logical" );
        logicalHandle1 = workingMemory.insert( logicalString1,
                                               null,
                                               false,
                                               true,
                                               rule1,
                                               (Activation) tuple1.getObject() );

        assertNull( logicalHandle1 );

        // Already identify same so return previously assigned handle
        logicalHandle1 = workingMemory.insert( logicalString2,
                                               null,
                                               false,
                                               false,
                                               rule1,
                                               (Activation) tuple1.getObject() );
        // return the matched handle

        assertSame( logicalHandle2,
                    logicalHandle1 );
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        // create the first activation which will justify the fact "logical"
        rule1.setConsequence( consequence );

        final DefaultFactHandle handle1 = new DefaultFactHandle( 1,
                                                                 "cheese" );
        final RuleTerminalNodeLeftTuple tuple1 = new RuleTerminalNodeLeftTuple( handle1,
                                                                                node,
                                                                                true );

        final PropagationContext context = pctxFactory.createPropagationContext(0, PropagationContext.INSERTION, null, null, new DefaultFactHandle());

        node.assertLeftTuple( tuple1,
                              context,
                              workingMemory );

        // Assert the logical "logical" fact
        final String logicalString1 = new String( "logical" );
        final FactHandle logicalHandle1 = workingMemory.insert( logicalString1,
                                                                null,
                                                                false,
                                                                true,
                                                                rule1,
                                                                (Activation) tuple1.getObject() );

        // create the second activation to justify the "logical" fact
        final Rule rule2 = new Rule( "test-rule2" );
        final RuleTerminalNode node2 = new RuleTerminalNode( idGenerator.getNextId(),
                                                             new MockTupleSource( 3 ),
                                                             rule2,
                                                             rule2.getLhs(),
                                                             0,
                                                             buildContext );
        rule2.setConsequence( consequence );

        final DefaultFactHandle handle2 = new DefaultFactHandle( 2,
                                                                 "cheese" );
        final RuleTerminalNodeLeftTuple tuple2 = new RuleTerminalNodeLeftTuple( handle2,
                                                                                node2,
                                                                                true );

        node.assertLeftTuple( tuple2,
                              context,
                              workingMemory );

        node2.assertLeftTuple( tuple2,
                               context,
                               workingMemory );

        // Assert the logical "logical" fact
        final String logicalString2 = new String( "logical" );
        final FactHandle logicalHandle2 = workingMemory.insert( logicalString2,
                                                                null,
                                                                false,
                                                                true,
                                                                rule2,
                                                                (Activation) tuple2.getObject() );

        assertSame( logicalHandle1, logicalHandle2 );
       
        TruthMaintenanceSystem tms = ((NamedEntryPoint)workingMemory.getWorkingMemoryEntryPoint( EntryPointId.DEFAULT.getEntryPointId() ) ).getTruthMaintenanceSystem();
       
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Related Classes of org.drools.core.reteoo.RuleTerminalNodeLeftTuple

  • org.drools.core.base.DefaultKnowledgeHelper
  • org.drools.core.common.DefaultAgenda
  • org.drools.core.common.InternalFactHandle
  • org.drools.core.common.LogicalDependency
  • org.drools.core.marshalling.impl.InputMarshaller
  • org.drools.core.phreak.PhreakRuleTerminalNode
  • org.drools.core.phreak.RuleExecutor
  • org.drools.core.phreak.RuleExecutor$SalienceComparator
  • org.drools.core.rule.Declaration
  • org.drools.reteoo.common.AgendaItemTest
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