Package org.drools.core.rule

Examples of org.drools.core.rule.Pattern

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            // only happens during unit tests
            declaredMask = AllSetBitMask.get();
            return;
        }
       
        Pattern pattern = context.getLastBuiltPatterns()[0];
        ObjectType objectType = pattern.getObjectType();
       
        if ( !(objectType instanceof ClassObjectType)) {
            // Only ClassObjectType can use property specific
            declaredMask = AllSetBitMask.get();
            return;
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    }

    @Test
    @Ignore
    public void test1() {
        Pattern p = new Pattern();
        QueryElement qe = new QueryElement( p,
                                            "queryName1",
                                            new Object[]{Variable.v, "x1", Variable.v, "x3", "x4",Variable.v,"x6",},
                                            new Declaration[0],
                                            new int[0],
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            super.initDeclaredMask(context, leftInput);
            return;
        }

        if (!isRightInputIsRiaNode()) {
            Pattern pattern = context.getLastBuiltPatterns()[0]; // right input pattern
            rightInputIsPassive = pattern.isPassive();
            ObjectType objectType = pattern.getObjectType();

            if (objectType instanceof ClassObjectType) {
                Class objectClass = ((ClassObjectType) objectType).getClassType();
                if (isPropertyReactive(context, objectClass)) {
                    rightListenedProperties = pattern.getListenedProperties();
                    List<String> settableProperties = getSettableProperties(context.getKnowledgeBase(), objectClass);
                    rightDeclaredMask = calculatePositiveMask(rightListenedProperties, settableProperties);
                    rightDeclaredMask = rightDeclaredMask.setAll(constraints.getListenedPropertyMask(settableProperties));
                    rightNegativeMask = calculateNegativeMask(rightListenedProperties, settableProperties);
                } else {
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        streamMode = context.isStreamMode() && context.getRootObjectTypeNode().getObjectType().isEvent();
        sinkMask = calculateSinkMask(context);
    }

    private BitMask calculateSinkMask(BuildContext context) {
        Pattern pattern = context.getLastBuiltPatterns() != null ? context.getLastBuiltPatterns()[0] : null;
        if (pattern == null) {
            return AllSetBitMask.get();
        }
        ObjectType objectType = pattern.getObjectType();
        if ( !(objectType instanceof ClassObjectType) ) {
            // Only ClassObjectType can use property specific
            return AllSetBitMask.get();
        }

        Class objectClass = ((ClassWireable) objectType).getClassType();
        return isPropertyReactive( context, objectClass ) ?
               calculatePositiveMask( pattern.getListenedProperties(),
                                      getSettableProperties( context.getKnowledgeBase(), objectClass ) ) :
               AllSetBitMask.get();
    }
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            // RTN's not after LIANode are not relevant for property specific, so don't block anything.
            setDeclaredMask( AllSetBitMask.get() );
            return;
        }

        Pattern pattern = context.getLastBuiltPatterns()[0];
        ObjectType objectType = pattern.getObjectType();

        if ( !(objectType instanceof ClassObjectType) ) {
            // InitialFact has no type declaration and cannot be property specific
            // Only ClassObjectType can use property specific
            setDeclaredMask( AllSetBitMask.get() );
            return;
        }

        Class objectClass = ((ClassObjectType)objectType).getClassType();
        TypeDeclaration typeDeclaration = context.getKnowledgeBase().getTypeDeclaration(objectClass);
        if (  typeDeclaration == null || !typeDeclaration.isPropertyReactive() ) {
            // if property specific is not on, then accept all modification propagations
            setDeclaredMask( AllSetBitMask.get() );
        } else  {
            List<String> settableProperties = getSettableProperties(context.getKnowledgeBase(), objectClass);
            setDeclaredMask( calculatePositiveMask(pattern.getListenedProperties(), settableProperties) );
            setNegativeMask( calculateNegativeMask(pattern.getListenedProperties(), settableProperties) );
        }
    }
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    public void build(final RuleBuildContext context) {
        RuleDescr ruleDescr = context.getRuleDescr();

        final RuleConditionBuilder builder = (RuleConditionBuilder) context.getDialect().getBuilder( ruleDescr.getLhs().getClass() );
        if ( builder != null ) {
            Pattern prefixPattern = context.getPrefixPattern(); // this is established during pre-processing, if it's query
            final GroupElement ce = (GroupElement) builder.build( context,
                                                                  ruleDescr.getLhs(),
                                                                  prefixPattern );

            context.getRule().setLhs( ce );
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        // creating the custom array reader
        InternalReadAccessor arrayReader = new SelfReferenceClassFieldReader( Object[].class,
                                                                              "this" );

        int index = 0;
        Pattern pattern = (Pattern) context.getBuildStack().peek();
        for ( AccumulateFunctionCallDescr func : functions ) {
            // build an external function executor
            AccumulateFunction function = context.getConfiguration().getAccumulateFunction( func.getFunction() );
            if( function == null ) {
                // might have been imported in the package
                function = context.getKnowledgeBuilder().getPackage().getAccumulateFunctions().get(func.getFunction());
            }
            if ( function == null ) {
                context.addError( new DescrBuildError( accumDescr,
                                                              context.getRuleDescr(),
                                                              null,
                                                              "Unknown accumulate function: '" + func.getFunction() + "' on rule '" + context.getRuleDescr().getName()
                                                                      + "'. All accumulate functions must be registered before building a resource." ) );
                return null;
            }

            // if there is a binding, create the binding
            if ( func.getBind() != null ) {
                if ( pattern.getDeclaration( func.getBind() ) != null ) {
                    context.addError(new DescrBuildError(context.getParentDescr(),
                            accumDescr,
                            null,
                            "Duplicate declaration for variable '" + func.getBind() + "' in the rule '" + context.getRule().getName() + "'"));
                } else {
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        final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();

        final ObjectType cheeseObjeectType = new ClassObjectType( Cheese.class );

        final Pattern pattern = new Pattern( 0,
                                             cheeseObjeectType,
                                             "cheese" );

        final GroupElement subrule = new GroupElement( GroupElement.AND );
        subrule.addChild( pattern );
        final Map<String, Declaration> map = new HashMap<String, Declaration>();
        map.put( "cheese",
                 pattern.getDeclaration() );
        declarationResolver.setDeclarations( map );
        context.setDeclarationResolver( declarationResolver );

        final MVELConsequenceBuilder builder = new MVELConsequenceBuilder();
        builder.build( context, RuleImpl.DEFAULT_CONSEQUENCE_NAME );
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        final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();

        final ObjectType cheeseObjeectType = new ClassObjectType( Cheese.class );

        final Pattern pattern = new Pattern( 0,
                                             cheeseObjeectType );

        final PatternExtractor extractor = new PatternExtractor( cheeseObjeectType );

        final Declaration declaration = new Declaration( "cheese",
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        for ( Entry<String, Object> entry : namedConsequences.entrySet() ) {
            ruleDescr.addNamedConsequences( entry.getKey(), entry.getValue() );
        }

        RuleImpl rule = new RuleImpl( ruleDescr.getName() );
        rule.addPattern( new Pattern( 0,
                                      new ClassObjectType( Cheese.class ),
                                      "$cheese" ) );
       
        rule.addPattern( new Pattern( 0,
                                      new ClassObjectType( Map.class ),
                                      "$map" ) );       

        PackageRegistry pkgRegistry = pkgBuilder.getPackageRegistry( pkg.getName() );
        DialectCompiletimeRegistry reg = pkgBuilder.getPackageRegistry( pkg.getName() ).getDialectCompiletimeRegistry();
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Related Classes of org.drools.core.rule.Pattern

  • org.drools.compiler.builder.impl.KnowledgeBuilderImpl
  • org.drools.compiler.builder.impl.KnowledgeBuilderTest
  • org.drools.compiler.compiler.PackageBuilder
  • org.drools.compiler.compiler.PackageBuilderTest
  • org.drools.compiler.integrationtests.AnnotationsTest
  • org.drools.compiler.phreak.BetaNodeBuilder
  • org.drools.compiler.rule.builder.CollectBuilder
  • org.drools.compiler.rule.builder.ConditionalBranchBuilder
  • org.drools.compiler.rule.builder.dialect.java.JavaAccumulateBuilder
  • org.drools.compiler.rule.builder.dialect.java.JavaConsequenceBuilderTest
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