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

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


    public void testLogicalInsertions3() throws Exception {

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        // alarm must sound
        assertEquals( 2,
                      list.size() );
        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        // modifying sensor
        sensor.setTemperature( 125 );
        workingMemory.update( sensorHandle,
                              sensor );

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        // alarm must continue to sound
        assertEquals( 3,
                      list.size() );
        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        // modifying sensor
        sensor.setTemperature( 80 );
        workingMemory.update( sensorHandle,
                              sensor );

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        // no alarms anymore
        assertEquals( 3,
                      list.size() );
        assertEquals( 1,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );
    }


    public void testLogicalInsertionsAccumulatorPattern() throws Exception {
        // JBRULES-449
        final PackageBuilder builder = new PackageBuilder();

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        workingMemory.fireAllRules();


        List l;
        final FactHandle h = workingMemory.insert( new Integer( 6 ) );
        assertEquals( 1,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        workingMemory.fireAllRules();
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( "There should be 2 CheeseEqual in Working Memory, 1 justified, 1 stated",
                      2,

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        final FactHandle h = workingMemory.insert( new Integer( 6 ) );
        assertEquals( 1,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        workingMemory.fireAllRules();
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( "There should be 2 CheeseEqual in Working Memory, 1 justified, 1 stated",
                      2,
                      l.size() );
        assertEquals( 6,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );

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        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( "There should be 2 CheeseEqual in Working Memory, 1 justified, 1 stated",
                      2,
                      l.size() );
        assertEquals( 6,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        workingMemory.retract( h );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( "There should be only 1 CheeseEqual in Working Memory, 1 stated (the justified should have been retracted). Check TruthMaintenanceSystem justifiedMap",
                      1,

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                      l.size() );
        assertEquals( 6,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        workingMemory.retract( h );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( "There should be only 1 CheeseEqual in Working Memory, 1 stated (the justified should have been retracted). Check TruthMaintenanceSystem justifiedMap",
                      1,
                      l.size() );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Short.class ) ) );
        assertEquals( 1,

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        workingMemory.retract( h );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( CheeseEqual.class ) ) );
        assertEquals( "There should be only 1 CheeseEqual in Working Memory, 1 stated (the justified should have been retracted). Check TruthMaintenanceSystem justifiedMap",
                      1,
                      l.size() );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Short.class ) ) );
        assertEquals( 1,
                      l.size() );
        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );

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                      l.size() );
        l = IteratorToList.convert( workingMemory.iterateObjects( new ClassObjectFilter( Short.class ) ) );
        assertEquals( 1,
                      l.size() );
        assertEquals( 2,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );


        //clean-up
        workingMemory.fireAllRules();
        assertEquals( 0,
                      IteratorToList.convert( workingMemory.iterateObjects() ).size() );

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