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Example 1 with MVELSalienceBuilder

use of org.drools.mvel.builder.MVELSalienceBuilder in project drools by kiegroup.

the class MVELSalienceBuilderTest method setUp.

@Before
public void setUp() throws Exception {
    InternalKnowledgePackage pkg = CoreComponentFactory.get().createKnowledgePackage("pkg1");
    final RuleDescr ruleDescr = new RuleDescr("rule 1");
    ruleDescr.addAttribute(new AttributeDescr("salience", "(p.age + 20)/2"));
    ruleDescr.setConsequence("");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl(pkg);
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
    context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
    final InstrumentedDeclarationScopeResolver declarationResolver = new InstrumentedDeclarationScopeResolver();
    final ObjectType personObjeectType = new ClassObjectType(Person.class);
    final Pattern pattern = new Pattern(0, personObjeectType);
    final PatternExtractor extractor = new PatternExtractor(personObjeectType);
    final Declaration declaration = new Declaration("p", extractor, pattern);
    final Map<String, Declaration> map = new HashMap<String, Declaration>();
    map.put("p", declaration);
    declarationResolver.setDeclarations(map);
    context.setDeclarationResolver(declarationResolver);
    kBase = KnowledgeBaseFactory.newKnowledgeBase();
    buildContext = new BuildContext(kBase, Collections.emptyList());
    SalienceBuilder salienceBuilder = new MVELSalienceBuilder();
    salienceBuilder.build(context);
    ((MVELSalienceExpression) context.getRule().getSalience()).compile((MVELDialectRuntimeData) context.getPkg().getDialectRuntimeRegistry().getDialectData("mvel"));
}
Also used : Pattern(org.drools.core.rule.Pattern) RuleBuildContext(org.drools.compiler.rule.builder.RuleBuildContext) ClassObjectType(org.drools.core.base.ClassObjectType) DialectCompiletimeRegistry(org.drools.compiler.compiler.DialectCompiletimeRegistry) HashMap(java.util.HashMap) SalienceBuilder(org.drools.compiler.rule.builder.SalienceBuilder) MVELSalienceBuilder(org.drools.mvel.builder.MVELSalienceBuilder) PatternExtractor(org.drools.core.spi.PatternExtractor) MVELDialect(org.drools.mvel.builder.MVELDialect) MVELSalienceBuilder(org.drools.mvel.builder.MVELSalienceBuilder) ClassObjectType(org.drools.core.base.ClassObjectType) ObjectType(org.drools.core.spi.ObjectType) BuildContext(org.drools.core.reteoo.builder.BuildContext) RuleBuildContext(org.drools.compiler.rule.builder.RuleBuildContext) KnowledgeBuilderImpl(org.drools.compiler.builder.impl.KnowledgeBuilderImpl) MVELSalienceExpression(org.drools.mvel.expr.MVELSalienceExpression) RuleDescr(org.drools.drl.ast.descr.RuleDescr) Declaration(org.drools.core.rule.Declaration) AttributeDescr(org.drools.drl.ast.descr.AttributeDescr) InternalKnowledgePackage(org.drools.core.definitions.InternalKnowledgePackage) Before(org.junit.Before)

Aggregations

HashMap (java.util.HashMap)1 KnowledgeBuilderImpl (org.drools.compiler.builder.impl.KnowledgeBuilderImpl)1 DialectCompiletimeRegistry (org.drools.compiler.compiler.DialectCompiletimeRegistry)1 RuleBuildContext (org.drools.compiler.rule.builder.RuleBuildContext)1 SalienceBuilder (org.drools.compiler.rule.builder.SalienceBuilder)1 ClassObjectType (org.drools.core.base.ClassObjectType)1 InternalKnowledgePackage (org.drools.core.definitions.InternalKnowledgePackage)1 BuildContext (org.drools.core.reteoo.builder.BuildContext)1 Declaration (org.drools.core.rule.Declaration)1 Pattern (org.drools.core.rule.Pattern)1 ObjectType (org.drools.core.spi.ObjectType)1 PatternExtractor (org.drools.core.spi.PatternExtractor)1 AttributeDescr (org.drools.drl.ast.descr.AttributeDescr)1 RuleDescr (org.drools.drl.ast.descr.RuleDescr)1 MVELDialect (org.drools.mvel.builder.MVELDialect)1 MVELSalienceBuilder (org.drools.mvel.builder.MVELSalienceBuilder)1 MVELSalienceExpression (org.drools.mvel.expr.MVELSalienceExpression)1 Before (org.junit.Before)1