Package org.drools.core.rule

Examples of org.drools.core.rule.Declaration

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        }
        return Collections.unmodifiableList( objects );
    }

    public Object getDeclarationValue(String variableName) {
        Declaration decl = ((RuleImpl)this.rule).getDeclaration( variableName );
        return decl.getValue( null, ((InternalFactHandle)factHandles.get(decl.getPattern().getOffset())).getObject() );
    }
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    public Declaration getDeclaration(final RuleImpl rule,
                                      final String identifier) {
        // it may be a local bound variable
        for ( int i = this.buildStack.size() - 1; i >= 0; i-- ) {
            final Declaration declaration = buildStack.get( i ).getInnerDeclarations().get( identifier );
            if ( declaration != null ) {
                return declaration;
            }
        }
        // look at parent rules
        if ( rule != null && rule.getParent() != null ) {
            // recursive algorithm for each parent
            //     -> lhs.getInnerDeclarations()
            Declaration parentDeclaration = getExtendedDeclaration( rule.getParent(),
                                                                    identifier );
            if ( null != parentDeclaration ) {
                return parentDeclaration;
            }
        }

        // it may be a global or something
        if ( this.map.containsKey( (identifier) ) ) {
            if ( pkg != null ) {
                Class<?> cls = this.map.get( identifier );
                ClassObjectType classObjectType = new ClassObjectType( cls );

                Declaration declaration;
                final Pattern dummy = new Pattern( 0,
                                                   classObjectType );

                InternalReadAccessor globalExtractor = getReadAcessor( identifier,
                                                                       classObjectType );
                declaration = new Declaration( identifier,
                                               globalExtractor,
                                               dummy );

                // make sure dummy and globalExtractor are wired up to correct ClassObjectType
                // and set as targets for rewiring
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    }

    public boolean available(RuleImpl rule,
                             final String name) {
        for ( int i = this.buildStack.size() - 1; i >= 0; i-- ) {
            final Declaration declaration = buildStack.get( i ).getInnerDeclarations().get( name );
            if ( declaration != null ) {
                return true;
            }
        }
        if ( this.map.containsKey( (name) ) ) {
            return true;
        }

        // look at parent rules
        if ( rule != null && rule.getParent() != null ) {
            // recursive algorithm for each parent
            //     -> lhs.getInnerDeclarations()
            Declaration parentDeclaration = getExtendedDeclaration( rule.getParent(),
                                                                    name );
            if ( null != parentDeclaration ) {
                return true;
            }
        }
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            return true;
        }

        for ( int i = this.buildStack.size() - 1; i >= 0; i-- ) {
            final RuleConditionElement rce = buildStack.get( i );
            final Declaration declaration = rce.getInnerDeclarations().get( name );
            if ( declaration != null ) {
                // if it is an OR and it is duplicated, we can stop looking for duplication now
                // as it is a separate logical branch
                boolean inOr = ((rce instanceof GroupElement) && ((GroupElement) rce).isOr());
                if ( ! inOr || type == null ) {
                    return ! inOr;
                }
                return ! declaration.getExtractor().getExtractToClass().getName().equals( type );
            }
        }
        // look at parent rules
        if ( rule != null && rule.getParent() != null ) {
            // recursive algorithm for each parent
            //     -> lhs.getInnerDeclarations()
            Declaration parentDeclaration = getExtendedDeclaration( rule.getParent(),
                                                                    name );
            if ( null != parentDeclaration ) {
                return true;
            }
        }
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                a = args.get( i );
                String fieldName = a[0].trim();
                String operator = a[1].trim();
                String var = a[2].trim();

                Declaration declr = (Declaration) context.get( var );

                BetaNodeFieldConstraint betaConstraint;
                try {
                    betaConstraint = this.reteTesterHelper.getBoundVariableConstraint( cls,
                                                                                         fieldName,
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                a = args.get( i );
                String fieldName = a[0].trim();
                String operator = a[1].trim();
                String var = a[2].trim();

                Declaration declr = (Declaration) context.get( var );

                BetaNodeFieldConstraint betaConstraint;
                try {
                    betaConstraint = this.reteTesterHelper.getBoundVariableConstraint( cls,
                                                                                         fieldName,
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    private VariableContextEntry getContextEntry(final Evaluator evaluator,
                                                 final InternalReadAccessor extractor,
                                                 final ValueType valueType,
                                                 final Object[] row,
                                                 final boolean left) {
        final Declaration declaration = new Declaration( "test",
                                                         extractor,
                                                         null );
        final ValueType coerced = evaluator.getCoercedValueType();

        if ( evaluator.isTemporal() ) {
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                                                                getClass().getClassLoader() );

        final Pattern pattern = new Pattern( 0,
                                             new ClassObjectType( Cheese.class ) );

        final Declaration declaration = new Declaration( "typeOfCheese",
                                                         extractor,
                                                         pattern );

        final FieldIndex fieldIndex = new FieldIndex( extractor,
                                                      declaration,
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                                                                getClass().getClassLoader() );

        final Pattern pattern = new Pattern( 0,
                                             new ClassObjectType( Cheese.class ) );

        final Declaration declaration = new Declaration( "typeOfCheese",
                                                         extractor,
                                                         pattern );

        final FieldIndex fieldIndex = new FieldIndex( extractor,
                                                      declaration,
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                                                                getClass().getClassLoader() );

        final Pattern pattern = new Pattern( 0,
                                             new ClassObjectType( Cheese.class ) );

        final Declaration declaration = new Declaration( "typeOfCheese",
                                                         extractor,
                                                         pattern );

        final FieldIndex fieldIndex = new FieldIndex( extractor,
                                                      declaration,
View Full Code Here
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Related Classes of org.drools.core.rule.Declaration

  • org.drools.compiler.phreak.BetaNodeBuilder
  • org.drools.compiler.rule.builder.dialect.asm.AbstractASMEvalBuilder
  • org.drools.compiler.rule.builder.dialect.DialectUtil
  • org.drools.compiler.rule.builder.dialect.java.AccumulateTemplateTest
  • org.drools.compiler.rule.builder.dialect.java.JavaAccumulateBuilder
  • org.drools.compiler.rule.builder.dialect.java.JavaConsequenceBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELAccumulateBuilder
  • org.drools.compiler.rule.builder.dialect.mvel.MVELConsequenceBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELEvalBuilderTest
  • org.drools.compiler.rule.builder.dialect.mvel.MVELPredicateBuilderTest
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