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.

        assertEquals( 6,
                             ((List) results.get( results.size() - 1 )).size() );


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


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

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                            result.get( 0 ) );
            }
            i++;
        }


        workingMemory.retract( handle1 );
        results = workingMemory.getQueryResults( "query-1" );


        assertEquals( 1,
                      results.size() );

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        results = workingMemory.getQueryResults( "query-1" );


        assertEquals( 1,
                      results.size() );


        workingMemory.retract( handle2 );
        results = workingMemory.getQueryResults( "query-1" );


        assertEquals( 0,
                      results.size() );

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                   stilton );
        final ObjectUpdatedEvent ome = (ObjectUpdatedEvent) wmList.get( 1 );
        assertSame( stiltonHandle,
                    ome.getFactHandle() );


        wm.retract( stiltonHandle );
        final ObjectRetractedEvent ore = (ObjectRetractedEvent) wmList.get( 2 );
        assertSame( stiltonHandle,
                    ore.getFactHandle() );


        wm.insert( cheddar );

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        workingMemory.fireAllRules();


        assertEquals( 0,
                      list.size() );


        workingMemory.retract( stiltonHandle );


        workingMemory.fireAllRules();


        assertEquals( 4,
                      list.size() );

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        workingMemory.fireAllRules();


        assertEquals( 0,
                      list.size() );


        workingMemory.retract( stiltonHandle );


        workingMemory.fireAllRules();


        assertEquals( 1,
                      list.size() );

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        workingMemory.fireAllRules();
        assertEquals( 0,
                      list.size() );


        workingMemory.retract( stilton1Handle );


        workingMemory.fireAllRules();
        assertEquals( 1,
                      list.size() );
        assertEquals( mark,

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        assertEquals( 1,
                      list.size() );
        assertEquals( mark,
                      list.get( 0 ) );


        workingMemory.retract( stilton2Handle );


        workingMemory.fireAllRules();
        assertEquals( 2,
                      list.size() );
        assertEquals( bob,

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                             ((Collection) results.get( fireCount - 1 )).size() );
        assertEquals( ArrayList.class.getName(),
                             results.get( fireCount - 1 ).getClass().getName() );


        // ---------------- 3rd scenario 
        wm.retract( cheeseHandles[2] );
        wm.fireAllRules();


        assertEquals( ++fireCount,
                             results.size() );
        assertEquals( 1,

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        workingMemory.fireAllRules();
        assertEquals( fired,
                      list.size() );


        // still only stilton, so should not fire  
        workingMemory.retract( stilton1 );
        workingMemory.fireAllRules();
        assertEquals( ++fired, // we need to fix forall to not fire in this situation 
                      list.size() );


        // there is a brie, so should not fire

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