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.

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




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


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

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


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


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

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


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


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

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


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


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

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


        // there is a brie, so should not fire 
        workingMemory.retract( stilton1 );
        workingMemory.fireAllRules();
        assertEquals( 1,
                      list.size() );


        // no brie anymore, so should fire

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


        // no brie anymore, so should fire 
        workingMemory.retract( brie );
        workingMemory.fireAllRules();
        assertEquals( 2,
                      list.size() );


        //        TODO: in the future, we need to fix the following test case

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