Package org.drools.runtime

Examples of org.drools.runtime.StatefulKnowledgeSession.retract()

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                      list.size() );
        assertEquals( "cheese-type " + cheese1.getType() + " was retracted, but should not. Backed by cheese2 => type.",
                      cheese1.getType(),
                      list.iterator().next() );

        session.retract( h2 );
        session.fireAllRules();
        list = session.getObjects( new ClassObjectFilter( cheese1.getType().getClass() ) );
        assertEquals( "cheese-type " + cheese1.getType() + " was not retracted, but should have. Neither  cheese1 => type nor cheese2 => type is true.",
                      0,
                      list.size() );
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        assertEquals( 2,
                      list.size() );
        assertTrue( list.contains( a ) );
        assertTrue( list.contains( b ) );

        session.retract( h1 );
        session.fireAllRules();
        list = session.getObjects( new ClassObjectFilter( a.getClass() ) );
        assertEquals( "b was retracted, but it should not have. Is backed by b => b being true.",
                      1,
                      list.size() );
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        assertEquals( "b was retracted, but it should not have. Is backed by b => b being true.",
                      b,
                      list.iterator().next() );

        h1 = session.getFactHandle( b );
        session.retract( h1 );
        session.fireAllRules();
        list = session.getObjects( new ClassObjectFilter( a.getClass() ) );
        assertEquals( 0,
                      list.size() );
    }
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        assertEquals( 1, ((Cheese)sorted.get( 0 ).get( "stilton" )).getPrice() );
        assertEquals( 3, ((Cheese)sorted.get( 1 ).get( "stilton" )).getPrice() );
        assertEquals( 4, ((Cheese)sorted.get( 2 ).get( "stilton" )).getPrice() );
           
        // Check a standard retract
        ksession.retract( s1Fh );
        assertEquals( 2, sorted.size() );
        assertEquals( 3, ((Cheese)sorted.get( 0 ).get( "stilton" )).getPrice() );
        assertEquals( 4, ((Cheese)sorted.get( 1 ).get( "stilton" )).getPrice() );

        // Close the query, we should get removed events for each row
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        assertEquals( 1,
                      list.size() );
        assertTrue( list.contains( "rule4" ) );

        list.clear();
        ksession.retract( h1 );

        ksession.insert( "String2" );
        ksession.fireAllRules();
        assertEquals( 3,
                      list.size() );
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        ksession.fireAllRules();
        assertEquals( 1,
                      list.size() );
        assertTrue( list.contains( "rule5" ) );

        ksession.retract( h1 );
        list.clear();

        ksession.insert( "String3" );
        ksession.fireAllRules();
        assertEquals( 3,
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        assertEquals( 1,
                      list.size() );
        assertTrue( list.contains( "rule1-V2" ) );
        list.clear();

        ksession.retract( h1 );
        ksession.insert( "String2" );

        ksession.fireAllRules();

        assertEquals( 2,
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        assertTrue( list.contains( "rule1-V2" ) );
        list.clear();

        // Check all rules are still there with new data
        ksession.retract( h1 );
        h1 = ksession.insert( "String2" );
        ksession.fireAllRules();
        assertEquals( 3,
                      list.size() );
        assertTrue( list.contains( "rule1-V2" ) );
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                      list.size() );
        assertTrue( list.contains( "rule4" ) );
        list.clear();

        // Check all rules are still there with new data
        ksession.retract( h1 );
        h1 = ksession.insert( "String3" );
        ksession.fireAllRules();
        assertEquals( 4,
                      list.size() );
        assertTrue( list.contains( "rule1-V2" ) );
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        // !!! MDP this logic is wrong rule3 and rule3-v2 should both exist
        //     rule3 is in rule2.drl and rule3-V2 is in rules3.drl

        // Check all rules are still there with new data
        ksession.retract( h1 );
        h1 = ksession.insert( "String4" );
        ksession.fireAllRules();
        assertEquals( 3,
                      list.size() );
        assertTrue( list.contains( "rule2" ) );
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