Examples of org.drools.WorkingMemory.update()

org.drools.WorkingMemory.update()
Inform the WorkingMemory that a Fact has been modified and that it should now update the network. @param handle The fact-handle associated with the fact to modify. @param object The new value of the fact. @throws FactException If a RuntimeException error occurs.

        assertEquals( 1,
                      queryResults.size() );


        // europe=[ ], america=[ 1, 2, 3 ]
        p1.setStatus( "america" );
        workingMemory.update( c1FactHandle,
                              p1 );
        workingMemory.fireAllRules();
        queryResults = workingMemory.getQueryResults( "2 persons with the same status" );
        assertEquals( 2,
                      queryResults.size() );

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        assertEquals( 2,
                      queryResults.size() );


        // europe=[ 2 ], america=[ 1, 3 ]
        p2.setStatus( "europe" );
        workingMemory.update( c2FactHandle,
                              p2 );
        workingMemory.fireAllRules();
        queryResults = workingMemory.getQueryResults( "2 persons with the same status" );
        assertEquals( 1,
                      queryResults.size() );

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        assertEquals( 1,
                      queryResults.size() );


        // europe=[ 1, 2 ], america=[ 3 ]
        p1.setStatus( "europe" );
        workingMemory.update( c1FactHandle,
                              p1 );
        workingMemory.fireAllRules();
        queryResults = workingMemory.getQueryResults( "2 persons with the same status" );
        assertEquals( 1,
                      queryResults.size() );

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        assertEquals( 1,
                      queryResults.size() );


        // europe=[ 1, 2, 3 ], america=[ ]
        p3.setStatus( "europe" );
        workingMemory.update( c3FactHandle,
                              p3 );
        workingMemory.fireAllRules();
        queryResults = workingMemory.getQueryResults( "2 persons with the same status" );
        assertEquals( 2,
                      queryResults.size() );

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                      list.size() );
        assertEquals( fact.getData(),
                      list.get( 0 ) );


        fact.setData( "10" );
        workingMemory.update( handle,
                              fact );
        workingMemory.fireAllRules();


        assertEquals( 2,
                      list.size() );

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        assertEquals( fact.getData(),
                      list.get( 1 ) );


        try {
            fact.setData( new Boolean( true ) );
            workingMemory.update( handle,
                                  fact );
            fail( "Should not allow to compare < with a Boolean object" );
        } catch ( ClassCastException cce ) {
            // success, as can't use "<" to compare to a boolean
        }

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        fact.setBooleanPrimitive( false );
        fact.setBooleanWrapper( null );
        fact.setCharPrimitive( '\0' );
        fact.setObject( new Character( 'X' ) );
        workingMemory.update( handle,
                              fact );
        workingMemory.fireAllRules();
        assertEquals( 5,
                      list.size() );
        assertEquals( "char object",

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                      list.size() );
        assertEquals( "char object",
                      list.get( index++ ) );


        fact.setObject( null );
        workingMemory.update( handle,
                              fact );
        workingMemory.fireAllRules();
        assertEquals( 6,
                      list.size() );
        assertEquals( "null object",

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                      list.size() );
        assertEquals( "HIGHER",
                      list.get( 0 ) );


        guess.setValue( new Integer( 15 ) );
        workingMemory.update( handle,
                              guess );


        workingMemory.fireAllRules();


        // LOWER

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                      list.size() );
        assertEquals( "LOWER",
                      list.get( 1 ) );


        guess.setValue( new Integer( 10 ) );
        workingMemory.update( handle,
                              guess );


        workingMemory.fireAllRules();


        // CORRECT

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