Package org.drools.core.common

Examples of org.drools.core.common.InternalAgenda.fireNextItem()


            assertEquals( 1, group1.size() );
            RuleAgendaItem ruleItem1 = (RuleAgendaItem) group1.getActivations()[0];
            ruleItem1.getRuleExecutor().evaluateNetwork(wm);
            assertEquals(3, ruleItem1.getRuleExecutor().getLeftTupleList().size());

            agenda.fireNextItem( null, 0, 0 );
            assertEquals( 1, group1.size() );
            assertEquals( 2, ruleItem1.getRuleExecutor().getLeftTupleList().size() );

            ksession.update( brieHandle, brie );
            assertEquals( 1, group1.size() );
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            assertEquals( 1, group2.size() );
            RuleAgendaItem ruleItem2 = (RuleAgendaItem) group2.getActivations()[0];
            ruleItem2.getRuleExecutor().evaluateNetwork(wm);
            assertEquals(3, ruleItem2.getRuleExecutor().getLeftTupleList().size());

            agenda.fireNextItem( null, 0, 0 );
            assertEquals( 1, group2.size() );
            assertEquals( 2, ruleItem2.getRuleExecutor().getLeftTupleList().size() );

            ksession.update( brieHandle, brie );
            assertEquals( 1, group2.size() );
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                              context1,
                              ksession);


        agenda.unstageActivations();
        agenda.fireNextItem(null, 0, -1);
        assertEquals(100, cheese.getPrice());

        final PropagationContext context0 = pctxFactory.createPropagationContext(0,
                                                                                 PropagationContext.DELETION,
                                                                                 rule1,
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        agenda.unstageActivations();

        // check there is an item to fire
        assertEquals(1,
                     agenda.getFocus().size());
        agenda.fireNextItem(filterTrue, 0, -1);

        // check focus is empty
        assertEquals(0,
                     agenda.getFocus().size());
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        agenda.unstageActivations();

        // check we have an item to fire
        assertEquals(1,
                     agenda.getFocus().size());
        agenda.fireNextItem(filterFalse, 0, -1);

        // make sure the focus is empty
        assertEquals(0,
                     agenda.getFocus().size());
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        // check totalAgendaSize still works
        assertEquals(5,
                     agenda.agendaSize());

        // ok now lets check that stacks work with fireNextItem
        agenda.fireNextItem(null, 0, -1);

        // agendaGroup3 should still be the current agendaGroup
        assertEquals(agenda.getFocus(),
                     agendaGroup3);
        // agendaGroup3 has gone from 2 to one activations
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        // check totalAgendaSize has reduced too
        assertEquals(4,
                     agenda.agendaSize());

        // now repeat the process
        agenda.fireNextItem(null, 0, -1);

        // focus is still agendaGroup3, but now its empty
        assertEquals(agenda.getFocus(),
                     agendaGroup3);
        assertEquals(0,
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                     agenda.getFocus().size());
        assertEquals(3,
                     agenda.agendaSize());

        // repeat fire again
        agenda.fireNextItem(null, 0, -1);

        // agendaGroup3 is empty so it should be popped from the stack making````````````````````
        // agendaGroup2
        // the current agendaGroup
        assertEquals(agendaGroup2,
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                     agenda.getFocus().size());
        assertEquals(2,
                     agenda.agendaSize());

        // repeat fire again
        agenda.fireNextItem(null, 0, -1);

        assertEquals(agenda.getFocus(),
                     agendaGroup2);
        assertEquals(0,
                     agenda.getFocus().size());
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                     agenda.agendaSize());

        // this last fire is more interesting as it demonstrates that
        // agendaGroup1 on
        // the stack before agendaGroup2 gets skipped as it has no activations
        agenda.fireNextItem(null, 0, -1);

        assertEquals(agenda.getFocus(),
                     main);
        assertEquals(0,
                     agenda.getFocus().size());
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