Package org.drools.core.reteoo

Examples of org.drools.core.reteoo.EvalConditionNode

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        final AbstractWorkingMemory workingMemory = new AbstractWorkingMemory( 1,
                                                                           (ReteooRuleBase) RuleBaseFactory.newRuleBase() );

        final MockTupleSource source = new MockTupleSource( 12 );

        final EvalConditionNode node = new EvalConditionNode( 18,
                                                              source,
                                                              new MockEvalCondition( true ),
                                                              buildContext );

        final EvalMemory memory = (EvalMemory) workingMemory.getNodeMemory( node );
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    @Test
    public void testAssertedAllowed() throws FactException {
        final MockEvalCondition eval = new MockEvalCondition( true );

        // Create a test node that always returns false
        final EvalConditionNode node = new EvalConditionNode( 1,
                                                              new MockTupleSource( 15 ),
                                                              eval,
                                                              buildContext );

        final MockLeftTupleSink sink = new MockLeftTupleSink();
        node.addTupleSink( sink );

        // Create the Tuple
        final DefaultFactHandle f0 = new DefaultFactHandle( 0,
                                                            "stilton" );
        final LeftTupleImpl tuple0 = new LeftTupleImpl( f0,
                                                sink,
                                                true );

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple0,
                              this.context,
                              this.workingMemory );

        // Create the Tuple
        final DefaultFactHandle f1 = new DefaultFactHandle( 1,
                                                            "cheddar" );
        final LeftTupleImpl tuple1 = new LeftTupleImpl( f1,
                                                sink,
                                                true );

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple1,
                              this.context,
                              this.workingMemory );

        // make sure assertions were propagated
        assertEquals( 2,
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    @Test
    public void testAssertedAllowedThenRetract() throws FactException {
        final MockEvalCondition eval = new MockEvalCondition( true );

        // Create a test node that always returns false
        final EvalConditionNode node = new EvalConditionNode( 1,
                                                              new MockTupleSource( 15 ),
                                                              eval,
                                                              buildContext );

        final MockLeftTupleSink sink = new MockLeftTupleSink();
        node.addTupleSink( sink );

        // Create the Tuple
        final DefaultFactHandle f0 = new DefaultFactHandle( 0,
                                                            "stilton" );
        final LeftTupleImpl tuple0 = new LeftTupleImpl( f0,
                                                sink,
                                                true );

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple0,
                              this.context,
                              this.workingMemory );

        // we create and retract two tuples, checking the linkedtuples is null for JBRULES-246 "NPE on retract()"       
        // Create the Tuple
        final DefaultFactHandle f1 = new DefaultFactHandle( 1,
                                                            "cheddar" );
        final LeftTupleImpl tuple1 = new LeftTupleImpl( f1,
                                                sink,
                                                true );

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple1,
                              this.context,
                              this.workingMemory );

        // make sure assertions were propagated
        assertEquals( 2,
                      sink.getAsserted().size() );

        // Now test that the fact is retracted correctly
        node.retractLeftTuple( tuple0,
                               this.context,
                               this.workingMemory );

        // make sure retractions were propagated
        assertEquals( 1,
                      sink.getRetracted().size() );

        // Now test that the fact is retracted correctly
        node.retractLeftTuple( tuple1,
                               this.context,
                               this.workingMemory );

        // make sure retractions were propagated
        assertEquals( 2,
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    @Test
    public void testAssertedNotAllowed() throws FactException {
        final MockEvalCondition eval = new MockEvalCondition( false );

        // Create a test node that always returns false
        final EvalConditionNode node = new EvalConditionNode( 1,
                                                              new MockTupleSource( 15 ),
                                                              eval,
                                                              buildContext );

        final MockLeftTupleSink sink = new MockLeftTupleSink();
        node.addTupleSink( sink );

        // Create the Tuple
        final DefaultFactHandle f0 = new DefaultFactHandle( 0,
                                                            "stilton" );
        final LeftTupleImpl tuple0 = new LeftTupleImpl( f0,
                                                sink,
                                                true );

        // Tuple should fail and not propagate
        node.assertLeftTuple( tuple0,
                              this.context,
                              this.workingMemory );

        // Create the Tuple
        final DefaultFactHandle f1 = new DefaultFactHandle( 1,
                                                            "cheddar" );
        final LeftTupleImpl tuple1 = new LeftTupleImpl( f1,
                                                sink,
                                                true );

        // Tuple should fail and not propagate
        node.assertLeftTuple( tuple1,
                              this.context,
                              this.workingMemory );

        // Check memory was not populated
        this.workingMemory.getNodeMemory( node );
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     */
    @Test
    public void testDoRemove() throws FactException {
        final MockEvalCondition eval = new MockEvalCondition( true );

        final EvalConditionNode parent = new EvalConditionNode( 1,
                                                                new MockTupleSource( 15 ),
                                                                eval,
                                                                buildContext );

        // Create a test node that always returns false
        final EvalConditionNode node = new EvalConditionNode( 2,
                                                              parent,
                                                              eval,
                                                              buildContext );

        parent.addTupleSink( node );

        final MockLeftTupleSink sink = new MockLeftTupleSink();
        node.addTupleSink( sink );

        // Create the Tuple
        final DefaultFactHandle f0 = new DefaultFactHandle( 0,
                                                            "stilton" );
        // an eval node always has at least a LIAN before it, so, tuples that reach it
        // always have at least one tuple parent
        final LeftTupleImpl parentTuple = new LeftTupleImpl( f0,
                                                        null,
                                                        true );
        final LeftTuple tuple0 = sink.createLeftTuple( parentTuple,
                                                       sink,
                                                       null, true);

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple0,
                              this.context,
                              this.workingMemory );

        // make sure assertions were propagated
        assertEquals( 1,
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    public void testMemory() {
        final StatefulKnowledgeSessionImpl workingMemory = new StatefulKnowledgeSessionImpl( 1, (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase() );

        final MockTupleSource source = new MockTupleSource( 12 );

        final EvalConditionNode node = new EvalConditionNode( 18,
                                                              source,
                                                              new MockEvalCondition( true ),
                                                              buildContext );

        final EvalMemory memory = (EvalMemory) workingMemory.getNodeMemory( node );
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    @Test
    public void testAssertedAllowed() {
        final MockEvalCondition eval = new MockEvalCondition( true );

        // Create a test node that always returns false
        final EvalConditionNode node = new EvalConditionNode( 1,
                                                              new MockTupleSource( 15 ),
                                                              eval,
                                                              buildContext );

        final MockLeftTupleSink sink = new MockLeftTupleSink();
        node.addTupleSink( sink );

        // Create the Tuple
        final DefaultFactHandle f0 = new DefaultFactHandle( 0,
                                                            "stilton" );
        final LeftTupleImpl tuple0 = new LeftTupleImpl( f0,
                                                sink,
                                                true );

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple0,
                              this.context,
                              this.workingMemory );

        // Create the Tuple
        final DefaultFactHandle f1 = new DefaultFactHandle( 1,
                                                            "cheddar" );
        final LeftTupleImpl tuple1 = new LeftTupleImpl( f1,
                                                sink,
                                                true );

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple1,
                              this.context,
                              this.workingMemory );

        // make sure assertions were propagated
        assertEquals( 2,
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    @Test
    public void testAssertedAllowedThenRetract() {
        final MockEvalCondition eval = new MockEvalCondition( true );

        // Create a test node that always returns false
        final EvalConditionNode node = new EvalConditionNode( 1,
                                                              new MockTupleSource( 15 ),
                                                              eval,
                                                              buildContext );

        final MockLeftTupleSink sink = new MockLeftTupleSink();
        node.addTupleSink( sink );

        // Create the Tuple
        final DefaultFactHandle f0 = new DefaultFactHandle( 0,
                                                            "stilton" );
        final LeftTupleImpl tuple0 = new LeftTupleImpl( f0,
                                                sink,
                                                true );

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple0,
                              this.context,
                              this.workingMemory );

        // we create and retract two tuples, checking the linkedtuples is null for JBRULES-246 "NPE on retract()"       
        // Create the Tuple
        final DefaultFactHandle f1 = new DefaultFactHandle( 1,
                                                            "cheddar" );
        final LeftTupleImpl tuple1 = new LeftTupleImpl( f1,
                                                sink,
                                                true );

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple1,
                              this.context,
                              this.workingMemory );

        // make sure assertions were propagated
        assertEquals( 2,
                      sink.getAsserted().size() );

        // Now test that the fact is deleted correctly
        node.retractLeftTuple( tuple0,
                               this.context,
                               this.workingMemory );

        // make sure retractions were propagated
        assertEquals( 1,
                      sink.getRetracted().size() );

        // Now test that the fact is deleted correctly
        node.retractLeftTuple( tuple1,
                               this.context,
                               this.workingMemory );

        // make sure retractions were propagated
        assertEquals( 2,
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    @Test
    public void testAssertedNotAllowed() {
        final MockEvalCondition eval = new MockEvalCondition( false );

        // Create a test node that always returns false
        final EvalConditionNode node = new EvalConditionNode( 1,
                                                              new MockTupleSource( 15 ),
                                                              eval,
                                                              buildContext );

        final MockLeftTupleSink sink = new MockLeftTupleSink();
        node.addTupleSink( sink );

        // Create the Tuple
        final DefaultFactHandle f0 = new DefaultFactHandle( 0,
                                                            "stilton" );
        final LeftTupleImpl tuple0 = new LeftTupleImpl( f0,
                                                sink,
                                                true );

        // Tuple should fail and not propagate
        node.assertLeftTuple( tuple0,
                              this.context,
                              this.workingMemory );

        // Create the Tuple
        final DefaultFactHandle f1 = new DefaultFactHandle( 1,
                                                            "cheddar" );
        final LeftTupleImpl tuple1 = new LeftTupleImpl( f1,
                                                sink,
                                                true );

        // Tuple should fail and not propagate
        node.assertLeftTuple( tuple1,
                              this.context,
                              this.workingMemory );

        // Check memory was not populated
        this.workingMemory.getNodeMemory( node );
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     */
    @Test
    public void testDoRemove() {
        final MockEvalCondition eval = new MockEvalCondition( true );

        final EvalConditionNode parent = new EvalConditionNode( 1,
                                                                new MockTupleSource( 15 ),
                                                                eval,
                                                                buildContext );

        // Create a test node that always returns false
        final EvalConditionNode node = new EvalConditionNode( 2,
                                                              parent,
                                                              eval,
                                                              buildContext );

        parent.addTupleSink( node );

        final MockLeftTupleSink sink = new MockLeftTupleSink();
        node.addTupleSink( sink );

        // Create the Tuple
        final DefaultFactHandle f0 = new DefaultFactHandle( 0,
                                                            "stilton" );
        // an eval node always has at least a LIAN before it, so, tuples that reach it
        // always have at least one tuple parent
        final LeftTupleImpl parentTuple = new LeftTupleImpl( f0,
                                                        null,
                                                        true );
        final LeftTuple tuple0 = sink.createLeftTuple( parentTuple,
                                                       sink,
                                                       null, true);

        // Tuple should pass and propagate
        node.assertLeftTuple( tuple0,
                              this.context,
                              this.workingMemory );

        // make sure assertions were propagated
        assertEquals( 1,
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Related Classes of org.drools.core.reteoo.EvalConditionNode

  • org.drools.compiler.phreak.AddRuleTest
  • org.drools.compiler.phreak.RemoveRuleTest
  • org.drools.core.common.LeftTupleIterator
  • org.drools.core.common.PropagationContextImpl
  • org.drools.core.reteoo.builder.EvalBuilder
  • org.drools.core.reteoo.builder.PhreakNodeFactory
  • org.drools.core.reteoo.test.dsl.EvalNodeStep
  • org.drools.core.spi.PropagationContext
  • org.drools.reteoo.nodes.EvalConditionNodeTest
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