Examples of org.drools.WorkingMemory.retract()

org.drools.WorkingMemory.retract()
Retract a fact. @param handle The fact-handle associated with the fact to retract. @throws FactException If a RuntimeException error occurs.

        // workingMemory.fireAllRules();
        assertEquals( "agenda should be empty.",
                      0,
                      workingMemory.getAgenda().agendaSize() );


        workingMemory.retract( h );
        workingMemory.fireAllRules();
        list = IteratorToList.convert( workingMemory.iterateObjects() );
        assertEquals( "i was not asserted by not a => i.",
                      1,
                      list.size() );

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        assertEquals( 1,
                      l.size() );
        assertEquals( 3,
                      ((CheeseEqual) l.get( 0 )).getPrice() );


        workingMemory.retract( h );
        assertEquals( 0,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        TruthMaintenanceSystem tms = ((InternalWorkingMemory) workingMemory).getTruthMaintenanceSystem();

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                      2,
                      l.size() );
        assertEquals( 6,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        workingMemory.retract( h );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( "There should be only 1 CheeseEqual in Working Memory, 1 stated (the justified should have been retracted). Check TruthMaintenanceSystem justifiedMap",
                      1,
                      l.size() );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Short.class ) ) );

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                             results.size() );
        assertEquals( 3,
                             ((Set) results.get( results.size() - 1 )).size() );


        // ---------------- 3rd scenario
        wm.retract( cheeseHandles[3] );
        wm.fireAllRules();
        // fire again
        assertEquals( 3,
                             results.size() );
        assertEquals( 3,

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                             results.size() );
        assertEquals( 3,
                             ((Set) results.get( results.size() - 1 )).size() );


        // ---------------- 4rd scenario
        wm.retract( cheeseHandles[4] );
        wm.fireAllRules();


        // should not have fired as per constraint
        assertEquals( 3,
                             results.size() );

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                             results.size() );
        assertEquals( 39,
                             ((Cheesery) results.get( results.size() - 1 )).getTotalAmount() );


        // ---------------- 4th scenario
        wm.retract( cheeseHandles[3] );
        wm.fireAllRules();


        // should not have fired as per constraint
        assertEquals( 2,
                             results.size() );

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                             results.size() );
        assertEquals( 31,
                             ((Cheesery) results.get( results.size() - 1 )).getTotalAmount() );


        // ---------------- 4th scenario
        wm.retract( cheeseHandles[3] );
        wm.fireAllRules();


        // should not have fired as per constraint
        assertEquals( 2,
                             results.size() );

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                             results.size() );
        assertEquals( 31,
                             ((Cheesery) results.get( results.size() - 1 )).getTotalAmount() );


        // ---------------- 4th scenario
        wm.retract( cheeseHandles[3] );
        wm.fireAllRules();


        // should not have fired as per constraint
        assertEquals( 2,
                             results.size() );

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                             results.size() );
        assertEquals( 36,
                             ((Cheesery) results.get( results.size() - 1 )).getTotalAmount() );


        // ---------------- 4th scenario
        wm.retract( cheeseHandles[3] );
        wm.fireAllRules();


        // should not have fired as per constraint
        assertEquals( 2,
                             results.size() );

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                             results.size() );
        assertEquals( 36,
                             ((Number) results.get( results.size() - 1 )).intValue() );


        // ---------------- 4th scenario
        wm.retract( cheeseHandles[3] );
        wm.fireAllRules();


        // should not have fired as per constraint
        assertEquals( 2,
                             results.size() );

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