Package org.drools.spi

Examples of org.drools.spi.AlphaNodeFieldConstraint

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                break;
            }
        }
       
        AlphaNode alphanode = (AlphaNode) node.getSinkPropagator().getSinks()[0];       
        AlphaNodeFieldConstraint constraint = alphanode.getConstraint();

        if (constraint instanceof MvelConstraint) {
            assertTrue( (( MvelConstraint ) alphanode.getConstraint()).getFieldExtractor() instanceof MVELClassFieldReader );
            assertEquals( new Address("s1"), (( MvelConstraint ) alphanode.getConstraint()).getField().getValue() );
        }
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                break;
            }
        }
       
        AlphaNode alphanode = (AlphaNode) node.getSinkPropagator().getSinks()[0];       
        AlphaNodeFieldConstraint constraint = alphanode.getConstraint();

        if (constraint instanceof MvelConstraint) {
            assertTrue( (( MvelConstraint ) alphanode.getConstraint()).getFieldExtractor() instanceof MVELClassFieldReader );
            assertEquals( new Address("s1"), (( MvelConstraint ) alphanode.getConstraint()).getField().getValue() );
        }
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    }

    public void addObjectSink(final ObjectSink sink) {
        if ( sink instanceof AlphaNode ) {
            final AlphaNode alphaNode = (AlphaNode) sink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();

            if ( fieldConstraint instanceof LiteralConstraint ) {
                final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;
                final Evaluator evaluator = literalConstraint.getEvaluator();
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    }

    public void removeObjectSink(final ObjectSink sink) {
        if ( sink instanceof AlphaNode ) {
            final AlphaNode alphaNode = (AlphaNode) sink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();

            if ( fieldConstraint instanceof LiteralConstraint ) {
                final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;
                final Evaluator evaluator = literalConstraint.getEvaluator();
                final FieldValue value = literalConstraint.getField();
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        ObjectSinkNode currentSink = this.hashableSinks.getFirst();

        while ( currentSink != null ) {
            final AlphaNode alphaNode = (AlphaNode) currentSink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();
            final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;

            // position to the next sink now because alphaNode may be removed if the index is equal. If we were to do this
            // afterwards, currentSink.nextNode would be null
            currentSink = currentSink.getNextObjectSinkNode();
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        context.setObjectSource( (ObjectSource) utils.attachNode( context,
                                                                  otn ) );

        for ( final Iterator<Constraint> it = alphaConstraints.iterator(); it.hasNext(); ) {
            final AlphaNodeFieldConstraint constraint = (AlphaNodeFieldConstraint) it.next();

            context.setObjectSource( (ObjectSource) utils.attachNode( context,
                                                                      new AlphaNode( context.getNextId(),
                                                                                     (AlphaNodeFieldConstraint) constraint,
                                                                                     context.getObjectSource(),
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    }

    public void addObjectSink(final ObjectSink sink) {
        if (sink instanceof AlphaNode) {
            final AlphaNode alphaNode = (AlphaNode) sink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();

            if (fieldConstraint instanceof LiteralConstraint) {
                final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;
                final Evaluator evaluator = literalConstraint.getEvaluator();
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    }

    public void removeObjectSink(final ObjectSink sink) {
        if (sink instanceof AlphaNode) {
            final AlphaNode alphaNode = (AlphaNode) sink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();

            if (fieldConstraint instanceof LiteralConstraint) {
                final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;
                final Evaluator evaluator = literalConstraint.getEvaluator();
                final FieldValue value = literalConstraint.getField();
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        ObjectSinkNode currentSink = this.hashableSinks.getFirst();

        while (currentSink != null) {
            final AlphaNode alphaNode = (AlphaNode) currentSink;
            final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();
            final LiteralConstraint literalConstraint = (LiteralConstraint) fieldConstraint;

            // position to the next sink now because alphaNode may be removed if the index is equal. If we were to do this
            // afterwards, currentSink.nextNode would be null
            currentSink = currentSink.getNextObjectSinkNode();
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     * @return ClassFieldReader
     * @throws IllegalArgumentException thrown if the AlphaNode's {@link org.drools.spi.AlphaNodeFieldConstraint} is not a
     *                                  {@link org.drools.rule.LiteralConstraint}.
     */
    private ClassFieldReader getClassFieldReaderForHashedAlpha(final AlphaNode alphaNode) throws IllegalArgumentException {
        final AlphaNodeFieldConstraint fieldConstraint = alphaNode.getConstraint();

        if (!(fieldConstraint instanceof LiteralConstraint)) {
            throw new IllegalArgumentException("Only support LiteralConstraint hashed AlphaNodes, not " + fieldConstraint.getClass());
        }
        // we need to get the first alpha in the map to get the attribute name that be use for the prefix of the
        // generated variable name
        final LiteralConstraint literalConstraint = (LiteralConstraint) alphaNode.getConstraint();

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Related Classes of org.drools.spi.AlphaNodeFieldConstraint

  • org.drools.integrationtests.MVELTest
  • org.drools.reteoo.AlphaNodeVertex
  • org.drools.reteoo.builder.PatternBuilder
  • org.drools.reteoo.compiled.ObjectTypeNodeParser
  • org.drools.reteoo.CompositeObjectSinkAdapter
  • org.drools.rule.builder.dialect.java.JavaDialectTest
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