Package org.drools

Examples of org.drools.FactHandle

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    public Map getActivationParameters(Activation activation) {
        Map result = new HashMap();
        Declaration[] declarations = ((RuleTerminalNode)((LeftTuple) activation.getTuple()).getLeftTupleSink()).getDeclarations();
       
        for ( int i = 0; i < declarations.length; i++ ) {
            FactHandle handle = activation.getTuple().get( declarations[i] );
            if ( handle instanceof InternalFactHandle ) {
                result.put( declarations[i].getIdentifier(),
                            declarations[i].getValue( this,
                                                      ((InternalFactHandle) handle).getObject() ) );
            }
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    public void propertyChange(final PropertyChangeEvent event) {
        final Object object = event.getSource();

        try {
            FactHandle handle = getFactHandle( object );
            if ( handle == null ) {
                throw new FactException( "Update error: handle not found for object: " + object + ". Is it in the working memory?" );
            }
            update( handle,
                    object );
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    public <T extends org.drools.runtime.rule.FactHandle> Collection<T> getFactHandles() {
        List list = new ArrayList();

        for ( Iterator it = iterateFactHandles(); it.hasNext(); ) {
            FactHandle fh = ( FactHandle) it.next();
            list.add(  fh );
        }

        return list;
    }
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    public void propertyChange(final PropertyChangeEvent event) {
        final Object object = event.getSource();

        try {
            FactHandle handle = getFactHandle( object );
            if ( handle == null ) {
                throw new FactException( "Update error: handle not found for object: " + object + ". Is it in the working memory?" );
            }
            update( handle,
                    object );
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    public Map getActivationParameters(Activation activation) {
        Map result = new HashMap();
        Declaration[] declarations = ((RuleTerminalNode)((LeftTuple) activation.getTuple()).getLeftTupleSink()).getDeclarations();
       
        for ( int i = 0; i < declarations.length; i++ ) {
            FactHandle handle = activation.getTuple().get( declarations[i] );
            if ( handle instanceof InternalFactHandle ) {
                result.put( declarations[i].getIdentifier(),
                            declarations[i].getValue( this,
                                                      ((InternalFactHandle) handle).getObject() ) );
            }
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                                                           buildContext );
        listOtn.attach(buildContext);
        //listOtn.updateSinkOnAttach(buildContext, true, true );

        // Will automatically create an ArrayList ObjectTypeNode
        FactHandle handle = workingMemory.insert( new ArrayList() );

        // Check we have three ObjectTypeNodes, List, ArrayList and InitialFactImpl
        assertEquals( 3,
                      rete.getObjectTypeNodes().size() );
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        final MockLeftTupleSink sink = new MockLeftTupleSink( 5 );
        from.addTupleSink( sink );

        final Person person1 = new Person( "xxx1",
                                           30 );
        final FactHandle person1Handle = workingMemory.insert( person1 );
        final LeftTuple tuple1 = new LeftTupleImpl( (DefaultFactHandle) person1Handle,
                                                    from,
                                                    true );
        from.assertLeftTuple( tuple1,
                              context,
                              workingMemory );

        // nothing should be asserted, as cheese1 is cheddar and we are filtering on stilton
        assertEquals( 0,
                      sink.getAsserted().size() );

        //Set cheese1 to stilton and it should now propagate
        cheese1.setType( "stilton" );
        final Person person2 = new Person( "xxx2",
                                           30 );
        final FactHandle person2Handle = workingMemory.insert( person2 );
        final LeftTuple tuple2 = new LeftTupleImpl( (DefaultFactHandle) person2Handle,
                                                    from,
                                                    true );
        from.assertLeftTuple( tuple2,
                              context,
                              workingMemory );

        final List asserted = sink.getAsserted();
        assertEquals( 1,
                      asserted.size() );
        Tuple tuple = (Tuple) ((Object[]) asserted.get( 0 ))[0];
        assertSame( person2,
                    tuple.getFactHandles()[1].getObject() );
        assertSame( cheese1,
                    tuple.getFactHandles()[0].getObject() );

        cheese2.setType( "stilton" );
        final Person person3 = new Person( "xxx2",
                                           30 );
        final FactHandle person3Handle = workingMemory.insert( person3 );
        final LeftTuple tuple3 = new LeftTupleImpl( (DefaultFactHandle) person3Handle,
                                                    from,
                                                    true );
        from.assertLeftTuple( tuple3,
                              context,
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        final MockLeftTupleSink sink = new MockLeftTupleSink( 5 );
        from.addTupleSink( sink );

        final Person person1 = new Person( "xxx1",
                                           30 );
        final FactHandle person1Handle = workingMemory.insert( person1 );
        final LeftTuple tuple1 = new LeftTupleImpl( (DefaultFactHandle) person1Handle,
                                                    from,
                                                    true );
        from.assertLeftTuple( tuple1,
                              context,
                              workingMemory );

        // nothing should be asserted, as cheese1 is cheddar and we are filtering on stilton
        assertEquals( 0,
                      sink.getAsserted().size() );

        //Set cheese1 to stilton and it should now propagate
        cheese1.setPrice( 30 );
        final Person person2 = new Person( "xxx2",
                                           30 );
        final FactHandle person2Handle = workingMemory.insert( person2 );
        final LeftTuple tuple2 = new LeftTupleImpl( (DefaultFactHandle) person2Handle,
                                                    from,
                                                    true );
        from.assertLeftTuple( tuple2,
                              context,
                              workingMemory );

        final List asserted = sink.getAsserted();
        assertEquals( 1,
                      asserted.size() );
        Tuple tuple = (Tuple) ((Object[]) asserted.get( 0 ))[0];
        assertSame( person2,
                    tuple.getFactHandles()[1].getObject() );
        assertSame( cheese1,
                    tuple.getFactHandles()[0].getObject() );

        cheese2.setPrice( 30 );
        final Person person3 = new Person( "xxx2",
                                           30 );
        final FactHandle person3Handle = workingMemory.insert( person3 );
        final LeftTuple tuple3 = new LeftTupleImpl( (DefaultFactHandle) person3Handle,
                                                    from,
                                                    true );
        from.assertLeftTuple( tuple3,
                              context,
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        final List asserted = sink.getAsserted();

        final Person person1 = new Person( "xxx2",
                                           30 );
        final FactHandle person1Handle = workingMemory.insert( person1 );
        final LeftTuple tuple = new LeftTupleImpl( (DefaultFactHandle) person1Handle,
                                                   from,
                                                   true );
        from.assertLeftTuple( tuple,
                              context,
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                                            fromCe );
       
        final MockLeftTupleSink sink = new MockLeftTupleSink( 5 );
        from.addTupleSink( sink );

        final FactHandle handle = workingMemory.insert( "xxx" );
        final LeftTuple tuple1 = new LeftTupleImpl( (DefaultFactHandle) handle,
                                                    from,
                                                    true );
        from.assertLeftTuple( tuple1,
                              context,
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Related Classes of org.drools.FactHandle

  • com.pajb.ire.engine.QuoteEngine
  • net.fp.rp.drools.SpringDecisionTableLoader
  • org.drools.audit.WorkingMemoryLogger
  • org.drools.base.DefaultKnowledgeHelper
  • org.drools.base.DelegateJavaFactHandler
  • org.drools.common.AbstractWorkingMemory
  • org.drools.common.NamedEntryPoint
  • org.drools.event.AgendaEventSupportTest
  • org.drools.event.WorkingMemoryEventSupportTest
  • org.drools.examples.house.HouseExample
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