Package org.drools.spi

Examples of org.drools.spi.InternalReadAccessor

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    }

    public void testTripleAlphaCharacterConstraint() {
        final CompositeObjectSinkAdapter ad = new CompositeObjectSinkAdapter();
        InternalReadAccessor extractor = store.getReader( Cheese.class,
                                                          "charType",
                                                          this.getClass().getClassLoader() );

        final LiteralConstraint lit = new LiteralConstraint( extractor,
                                                             equals.getEvaluator( extractor.getValueType(),
                                                                                  Operator.EQUAL ),
                                                             new LongFieldImpl( 65 ) ); // chars are handled as integers
        final AlphaNode al = new AlphaNode( buildContext.getNextId(),
                                            lit,
                                            new MockObjectSource( buildContext.getNextId() ),
                                            buildContext );

        ad.addObjectSink( al );

        assertNull( ad.otherSinks );
        assertNotNull( ad.hashedFieldIndexes );
        assertEquals( 1,
                      ad.hashableSinks.size() );
        assertEquals( al,
                      ad.getSinks()[0] );

        final LiteralConstraint lit2 = new LiteralConstraint( extractor,
                                                              equals.getEvaluator( extractor.getValueType(),
                                                                                   Operator.EQUAL ),
                                                              new LongFieldImpl( 66 ) );
        final AlphaNode al2 = new AlphaNode( buildContext.getNextId(),
                                             lit2,
                                             new MockObjectSource( buildContext.getNextId() ),
                                             buildContext );

        ad.addObjectSink( al2 );

        assertNull( ad.hashedSinkMap );
        assertEquals( 2,
                      ad.hashableSinks.size() );

        final LiteralConstraint lit3 = new LiteralConstraint( extractor,
                                                              equals.getEvaluator( extractor.getValueType(),
                                                                                   Operator.EQUAL ),
                                                              new LongFieldImpl( 67 ) );
        final AlphaNode al3 = new AlphaNode( buildContext.getNextId(),
                                             lit3,
                                             new MockObjectSource( buildContext.getNextId() ),
                                             buildContext );
        ad.addObjectSink( al3 );

        //this should now be nicely hashed.
        assertNotNull( ad.hashedSinkMap );
        assertNull( ad.hashableSinks );

        // test propagation
        Cheese cheese = new Cheese();
        cheese.setCharType( 'B' );
        CompositeObjectSinkAdapter.HashKey hashKey = new CompositeObjectSinkAdapter.HashKey();

        // should find this
        hashKey.setValue( extractor.getIndex(),
                          cheese,
                          extractor );
        ObjectSink sink = (ObjectSink) ad.hashedSinkMap.get( hashKey );
        assertSame( al2,
                    sink );

        // should not find this one
        cheese.setCharType( 'X' );
        hashKey.setValue( extractor.getIndex(),
                          cheese,
                          extractor );
        sink = (ObjectSink) ad.hashedSinkMap.get( hashKey );
        assertNull( sink );
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    }

    public void testPropagationWithNullValue() {

        final CompositeObjectSinkAdapter ad = new CompositeObjectSinkAdapter();
        InternalReadAccessor extractor = store.getReader( Cheese.class,
                                                          "type",
                                                          this.getClass().getClassLoader() );
        final LiteralConstraint lit1 = new LiteralConstraint( extractor,
                                                              equals.getEvaluator( ValueType.STRING_TYPE,
                                                                                   Operator.EQUAL ),
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        for ( Iterator it = inputs.iterator(); it.hasNext(); ) {
            String basefield = (String) it.next();
            if ( "this".equals( basefield ) ) {
                continue;
            }
            InternalReadAccessor extr = cache.getReadAccessor( new AccessorKey( cls.getName(),
                                                                                basefield,
                                                                                AccessorKey.AccessorType.FieldAccessor ),
                                                               cls );
            this.extractors.put( basefield,
                                 extr );
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                           Object object) {
        Map variables = new HashMap();
        for ( Iterator it = this.extractors.entrySet().iterator(); it.hasNext(); ) {
            Map.Entry entry = (Map.Entry) it.next();
            String var = (String) entry.getKey();
            InternalReadAccessor extr = (InternalReadAccessor) entry.getValue();

            variables.put( var,
                           extr.getValue( workingMemory,
                                          object ) );
        }
        return MVEL.executeExpression( mvelExpression,
                                       object,
                                       variables );
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                                                    String fieldName,
                                                    Class clazz) {
        ClassFieldAccessorStore store = new ClassFieldAccessorStore();
        store.setClassFieldAccessorCache( new ClassFieldAccessorCache( Thread.currentThread().getContextClassLoader() ) );
        store.setEagerWire( true );
        InternalReadAccessor extractor = store.getReader( clazz,
                                                          fieldName,
                                                          getClass().getClassLoader() );
        Declaration declaration = new Declaration( identifier,
                                                   extractor,
                                                   new Pattern( 0,
                                                                new ClassObjectType( clazz ) ) );
        Evaluator evaluator = registry.getEvaluatorDefinition( operator.getOperatorString() ).getEvaluator( extractor.getValueType(),
                                                                                                            operator.getOperatorString(),
                                                                                                            operator.isNegated(),
                                                                                                            null );
        return new VariableConstraint( extractor,
                                       declaration,
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                                                                       null,
                                                                       null );

        final MockObjectSource source = new MockObjectSource( buildContext.getNextId() );

        final InternalReadAccessor extractor = store.getReader( Cheese.class,
                                                                "type",
                                                                getClass().getClassLoader() );

        final FieldValue field = FieldFactory.getFieldValue( "cheddar" );
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                                                                       null,
                                                                       null );

        final MockObjectSource source = new MockObjectSource( buildContext.getNextId() );

        final InternalReadAccessor extractor = store.getReader( Cheese.class,
                                                                "type",
                                                                getClass().getClassLoader() );

        final FieldValue field = FieldFactory.getFieldValue( "cheddar" );
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     * @param data The data to try out : Array of {arg1, operator, arg2}
     * @param valueType The Evaluator.**_TYPE to test
     */
    private void runEvaluatorTest(final Object[][] data,
                                  final ValueType valueType) {
        final InternalReadAccessor extractor = new MockExtractor();
        for ( int i = 0; i < data.length; i++ ) {
            final Object[] row = data[i];
            boolean isNegated = ((String) row[1]).startsWith( "not " );
            String evaluatorStr = isNegated ? ((String) row[1]).substring( 4 ) : (String) row[1];
            final Evaluator evaluator = (Evaluator) registry.getEvaluatorDefinition( evaluatorStr ).getEvaluator( valueType,
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        store.setEagerWire( true );
    }

    @Test
    public void testSingleEntry() throws Exception {
        final InternalReadAccessor extractor = store.getReader( Cheese.class,
                                                                "type",
                                                                getClass().getClassLoader() );

        final Pattern pattern = new Pattern( 0,
                                             new ClassObjectType( Cheese.class ) );
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        assertNull( list.first.getNext() );
    }

    @Test
    public void testTwoDifferentEntries() throws Exception {
        final InternalReadAccessor extractor = store.getReader( Cheese.class,
                                                                "type",
                                                                getClass().getClassLoader() );

        final Pattern pattern = new Pattern( 0,
                                             new ClassObjectType( Cheese.class ) );
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Related Classes of org.drools.spi.InternalReadAccessor

  • org.drools.base.BaseClassFieldAccessorFactoryTest
  • org.drools.base.ClassFieldAccessorStore
  • org.drools.base.EvaluatorFactoryTest
  • org.drools.base.extractors.MVELClassFieldExtractorTest
  • org.drools.base.extractors.MVELClassFieldReader
  • org.drools.base.extractors.ObjectClassFieldExtractorTest
  • org.drools.base.TemporalEvaluatorFactoryTest
  • org.drools.common.BaseBetaConstraintsTest
  • org.drools.compiler.PackageBuilder
  • org.drools.examples.manners.BaseMannersTest
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