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.

                   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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        assertEquals( "got cheese",
                      list.get( 0 ) );
        assertEquals( 1,
                      list.size() );


        workingMemory.retract( h );
        workingMemory.fireAllRules();


        // still just one
        assertEquals( 1,
                      list.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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                             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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                             results.size() );
        Assert.assertEquals( 1,
                             ((Number) results.get( results.size() - 1 )).intValue() );


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


        // should not have fired as per constraint
        Assert.assertEquals( 2,

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


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


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

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                             results.size() );
        Assert.assertEquals( 17,
                             ((Number) results.get( results.size() - 1 )).intValue() );


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


        // should not have fired as per constraint
        Assert.assertEquals( 2,

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        Assert.assertEquals( 17,
                             ((Number) results.get( results.size() - 1 )).intValue() );


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


        // should not have fired as per constraint
        Assert.assertEquals( 2,
                             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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