Examples of org.drools.WorkingMemory.iterateObjects()

org.drools.WorkingMemory.iterateObjects()
Returns an Iterator for the Objects in the Working Memory. This Iterator is not thread safe. This means that any working memory actions during iteration may invalidate the iterator. @return the Iterator


        final FactHandle h = workingMemory.insert( a );
        // no need to fire rules, assertion alone removes justification for i,
        // so it should be retracted.
        // workingMemory.fireAllRules();
        list = IteratorToList.convert( workingMemory.iterateObjects() );
        assertEquals( "a was not asserted or i not retracted.",
                      1,
                      list.size() );
        assertEquals( "a was asserted.",
                      a,

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                      0,
                      workingMemory.getAgenda().agendaSize() );


        workingMemory.retract( h );
        workingMemory.fireAllRules();
        list = IteratorToList.convert( workingMemory.iterateObjects() );
        assertEquals( "i was not asserted by not a => i.",
                      1,
                      list.size() );
        assertEquals( "i was not asserted by not a => i.",
                      cheese,

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        List l;
        final Person p = new Person( "person" );
        p.setAge( 2 );
        final FactHandle h = workingMemory.insert( p );
        assertEquals( 1,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        workingMemory.fireAllRules();
        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );

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        assertEquals( 1,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        workingMemory.fireAllRules();
        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( 1,
                      l.size() );
        assertEquals( 3,
                      ((CheeseEqual) l.get( 0 )).getPrice() );

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                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        workingMemory.fireAllRules();
        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( 1,
                      l.size() );
        assertEquals( 3,
                      ((CheeseEqual) l.get( 0 )).getPrice() );

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        assertEquals( 3,
                      ((CheeseEqual) l.get( 0 )).getPrice() );


        workingMemory.retract( h );
        assertEquals( 0,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        TruthMaintenanceSystem tms = ((InternalWorkingMemory) workingMemory).getTruthMaintenanceSystem();


        final java.lang.reflect.Field field = tms.getClass().getDeclaredField( "assertMap" );
        field.setAccessible( true );

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        p3.setStatus( "europe" );
        final FactHandle c3FactHandle = workingMemory.insert( p3 );
        workingMemory.fireAllRules();


        // all 3 in europe, so, 2 cheese
        List cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 2,
                      cheeseList.size() );


        // europe=[ 1, 2 ], america=[ 3 ]
        p3.setStatus( "america" );

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        // europe=[ 1, 2 ], america=[ 3 ]
        p3.setStatus( "america" );
        workingMemory.update( c3FactHandle,
                              p3 );
        workingMemory.fireAllRules();
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );


        // europe=[ 1 ], america=[ 2, 3 ]
        p2.setStatus( "america" );

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        // europe=[ 1 ], america=[ 2, 3 ]
        p2.setStatus( "america" );
        workingMemory.update( c2FactHandle,
                              p2 );
        workingMemory.fireAllRules();
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 1,
                      cheeseList.size() );


        // europe=[ ], america=[ 1, 2, 3 ]
        p1.setStatus( "america" );

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        // europe=[ ], america=[ 1, 2, 3 ]
        p1.setStatus( "america" );
        workingMemory.update( c1FactHandle,
                              p1 );
        workingMemory.fireAllRules();
        cheeseList = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Cheese.class ) ) );
        assertEquals( 2,
                      cheeseList.size() );


        // europe=[ 2 ], america=[ 1, 3 ]
        p2.setStatus( "europe" );

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