Package org.drools.rule

Examples of org.drools.rule.RuleConditionElement

169
170
171
172
173
174
175
176
177
178
179
            }
        }

        // lets see if it maps to a query
        if ( objectType == null ) {
            RuleConditionElement rce = null;
            // it might be a recursive query, so check for same names
            if ( context.getRule().getName().equals( patternDescr.getObjectType() ) ) {
                // it's a query so delegate to the QueryElementBuilder
                QueryElementBuilder qeBuilder = new QueryElementBuilder();
                rce = qeBuilder.build( context,
View Full Code Here
77
78
79
80
81
82
83
84
85
86
87
        if( input instanceof AndDescr && ((AndDescr) input).getDescrs().size() == 1 ) {
            input = ((AndDescr) input).getDescrs().get( 0 );
        }
       
        final RuleConditionBuilder builder = (RuleConditionBuilder) context.getDialect().getBuilder( input.getClass() );
        final RuleConditionElement source = builder.build( context,
                                                           input );
        if ( source == null ) {
            return null;
        }
View Full Code Here
215
216
217
218
219
220
221
222
223
224
225
        }
    }

    private boolean isNegative(final BuildContext context) {
        for ( ListIterator<RuleConditionElement> it = context.stackIterator(); it.hasPrevious(); ) {
            RuleConditionElement rce = it.previous();
            if ( rce instanceof GroupElement && ((GroupElement) rce).isNot() ) {
                return true;
            }
        }
        return false;
View Full Code Here
51
52
53
54
55
56
57
58
59
60
61
        final List resultBetaConstraints = context.getBetaconstraints();
        final List resultAlphaConstraints = context.getAlphaConstraints();
        final List resultBehaviors = context.getBehaviors();

        final RuleConditionElement source = accumulate.getSource();

        // get builder for the pattern
        final ReteooComponentBuilder builder = utils.getBuilderFor( source );

        // save tuple source and current pattern offset for later if needed
View Full Code Here
123
124
125
126
127
128
129
130
131
132
133
            final GroupElement ge = (GroupElement) rce;

            // iterate over each child and build it
            for ( final Iterator it = ge.getChildren().iterator(); it.hasNext(); ) {

                final RuleConditionElement child = (RuleConditionElement) it.next();

                final ReteooComponentBuilder builder = utils.getBuilderFor( child );

                builder.build( context,
                               utils,
View Full Code Here
174
175
176
177
178
179
180
181
182
183
184
            // will have no child
            if ( and.getChildren().isEmpty() ) {
                return true;
            }

            final RuleConditionElement child = (RuleConditionElement) and.getChildren().get( 0 );
            final ReteooComponentBuilder builder = utils.getBuilderFor( child );

            return builder.requiresLeftActivation( utils,
                                                   child );
        }
View Full Code Here
223
224
225
226
227
228
229
230
231
232
233
            // NOT must save some context info to restore it later
            final int currentPatternIndex = context.getCurrentPatternOffset();
            final LeftTupleSource tupleSource = context.getTupleSource();

            // get child
            final RuleConditionElement child = (RuleConditionElement) not.getChildren().get( 0 );

            // get builder for child
            final ReteooComponentBuilder builder = utils.getBuilderFor( child );

            // builds the child
View Full Code Here
315
316
317
318
319
320
321
322
323
324
325
            // EXISTS must save some context info to restore it later
            final int currentPatternIndex = context.getCurrentPatternOffset();
            final LeftTupleSource tupleSource = context.getTupleSource();

            // get child
            final RuleConditionElement child = (RuleConditionElement) exists.getChildren().get( 0 );

            // get builder for child
            final ReteooComponentBuilder builder = utils.getBuilderFor( child );

            // builds the child
View Full Code Here
232
233
234
235
236
237
238
239
240
241
242
243
                                         final Declaration[] declarations) throws InvalidPatternException {
        final List<String> list = new ArrayList<String>();
        for ( int i = 0, length = declarations.length; i < length; i++ ) {
            boolean resolved = false;
            for ( final ListIterator<RuleConditionElement> it = context.stackIterator(); it.hasPrevious(); ) {
                final RuleConditionElement rce = it.previous();
                final Declaration decl = rce.resolveDeclaration( declarations[i].getIdentifier() );
                if ( decl != null && decl.getPattern().getOffset() <= declarations[i].getPattern().getOffset() ) {
                    resolved = true;
                    break;
                }
            }
View Full Code Here
298
299
300
301
302
303
304
305
306
307
308
        private void traversePatternTree(List<PatternInfo> patternInfos, List<RuleConditionElement> ruleElements, List<BaseDescr> lhsDescrs) {
          if (ruleElements.size() != lhsDescrs.size()) {
            throw new RuntimeException("Cannot traverse pattern tree");
          }
          for (int i = 0; i < ruleElements.size(); i++) {
            RuleConditionElement ruleElement = ruleElements.get(i);
            BaseDescr lhsDescr = lhsDescrs.get(i);
           
            if (ruleElement instanceof Pattern && lhsDescr instanceof PatternDescr) {
              patternInfos.add(new PatternInfo((PatternDescr)lhsDescr, (Pattern)ruleElement));
              endPatternsCharacter = Math.max(endPatternsCharacter, ((PatternDescr)lhsDescr).getEndCharacter());
View Full Code Here
TOP

Related Classes of org.drools.rule.RuleConditionElement

  • org.drools.eclipse.DRLInfo$RuleInfo
  • org.drools.lang.api.DescrBuilderTest
  • org.drools.reteoo.builder.AccumulateBuilder
  • org.drools.reteoo.builder.BuildUtils
  • org.drools.reteoo.builder.GroupElementBuilder$AndBuilder
  • org.drools.reteoo.builder.GroupElementBuilder$ExistsBuilder
  • org.drools.reteoo.builder.GroupElementBuilder$NotBuilder
  • org.drools.reteoo.builder.PatternBuilder
  • org.drools.rule.builder.ConditionalBranchBuilder
  • org.drools.rule.builder.dialect.java.JavaAccumulateBuilder
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.