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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                             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( 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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                             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,
                      ((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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                             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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                   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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