Search in sources :

Example 1 with InitialFactImpl

use of org.drools.core.reteoo.InitialFactImpl in project drools by kiegroup.

the class MVELAccumulateBuilderTest method testSimpleExpression.

@Test
public void testSimpleExpression() {
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
    pkgBuilder.addPackage(new PackageDescr("pkg1"));
    InternalKnowledgePackage pkg = pkgBuilder.getPackage("pkg1");
    final RuleDescr ruleDescr = new RuleDescr("rule 1");
    final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
    final RuleBuildContext context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
    final AccumulateDescr accDescr = new AccumulateDescr();
    final PatternDescr inputPattern = new PatternDescr("org.drools.mvel.compiler.Cheese", "$cheese");
    accDescr.setInputPattern(inputPattern);
    accDescr.setInitCode("total = 0;");
    accDescr.setActionCode("total += $cheese.price;");
    accDescr.setReverseCode("total -= $cheese.price;");
    accDescr.setResultCode("new Integer(total)");
    final MVELAccumulateBuilder builder = new MVELAccumulateBuilder();
    final Accumulate acc = (Accumulate) builder.build(context, accDescr);
    ((MVELCompileable) acc.getAccumulators()[0]).compile((MVELDialectRuntimeData) pkgBuilder.getPackageRegistry(pkg.getName()).getDialectRuntimeRegistry().getDialectData("mvel"));
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    BuildContext buildContext = new BuildContext(kBase, Collections.emptyList());
    MockLeftTupleSink sink = new MockLeftTupleSink(buildContext);
    MockTupleSource source = new MockTupleSource(1, buildContext);
    source.setObjectCount(1);
    sink.setLeftTupleSource(source);
    final Cheese cheddar1 = new Cheese("cheddar", 10);
    final Cheese cheddar2 = new Cheese("cheddar", 8);
    final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(new InitialFactImpl());
    final InternalFactHandle f1 = (InternalFactHandle) ksession.insert(cheddar1);
    final InternalFactHandle f2 = (InternalFactHandle) ksession.insert(cheddar2);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, sink, true);
    Object wmContext = acc.createWorkingMemoryContext();
    AccumulateNode.AccumulateContext accContext = new AccumulateNode.AccumulateContext();
    Object funcContext = acc.createFunctionContext();
    funcContext = acc.init(wmContext, accContext, funcContext, tuple, ksession);
    accContext.setFunctionContext(funcContext);
    Object value1 = acc.accumulate(wmContext, accContext, tuple, f1, ksession);
    acc.accumulate(wmContext, accContext, tuple, f2, ksession);
    assertEquals(new Integer(18), acc.getResult(wmContext, accContext, tuple, ksession));
    LeftTuple match = new FromNodeLeftTuple();
    match.setContextObject(value1);
    acc.tryReverse(wmContext, accContext, tuple, f1, null, match, ksession);
    assertEquals(new Integer(8), acc.getResult(wmContext, accContext, tuple, ksession));
}
Also used : MVELCompileable(org.drools.mvel.expr.MVELCompileable) PatternDescr(org.drools.drl.ast.descr.PatternDescr) KnowledgeBuilderConfigurationImpl(org.drools.compiler.builder.impl.KnowledgeBuilderConfigurationImpl) AccumulateNode(org.drools.core.reteoo.AccumulateNode) MockLeftTupleSink(org.drools.core.reteoo.MockLeftTupleSink) Cheese(org.drools.mvel.compiler.Cheese) AccumulateDescr(org.drools.drl.ast.descr.AccumulateDescr) LeftTuple(org.drools.core.reteoo.LeftTuple) FromNodeLeftTuple(org.drools.core.reteoo.FromNodeLeftTuple) Accumulate(org.drools.core.rule.Accumulate) MVELAccumulateBuilder(org.drools.mvel.builder.MVELAccumulateBuilder) FromNodeLeftTuple(org.drools.core.reteoo.FromNodeLeftTuple) MockTupleSource(org.drools.core.reteoo.MockTupleSource) LeftTupleImpl(org.drools.core.reteoo.LeftTupleImpl) PackageDescr(org.drools.drl.ast.descr.PackageDescr) InternalFactHandle(org.drools.core.common.InternalFactHandle) InternalKnowledgeBase(org.drools.kiesession.rulebase.InternalKnowledgeBase) RuleBuildContext(org.drools.compiler.rule.builder.RuleBuildContext) DialectCompiletimeRegistry(org.drools.compiler.compiler.DialectCompiletimeRegistry) MVELDialect(org.drools.mvel.builder.MVELDialect) InitialFactImpl(org.drools.core.reteoo.InitialFactImpl) BuildContext(org.drools.core.reteoo.builder.BuildContext) RuleBuildContext(org.drools.compiler.rule.builder.RuleBuildContext) KnowledgeBuilderImpl(org.drools.compiler.builder.impl.KnowledgeBuilderImpl) StatefulKnowledgeSessionImpl(org.drools.kiesession.session.StatefulKnowledgeSessionImpl) RuleDescr(org.drools.drl.ast.descr.RuleDescr) InternalKnowledgePackage(org.drools.core.definitions.InternalKnowledgePackage) Test(org.junit.Test)

Example 2 with InitialFactImpl

use of org.drools.core.reteoo.InitialFactImpl in project drools by kiegroup.

the class MVELAccumulateBuilderTest method testSimpleExpression.

@Test
public void testSimpleExpression() {
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
    pkgBuilder.addPackage(new PackageDescr("pkg1"));
    InternalKnowledgePackage pkg = pkgBuilder.getPackage("pkg1");
    final RuleDescr ruleDescr = new RuleDescr("rule 1");
    final KnowledgeBuilderConfigurationImpl conf = pkgBuilder.getBuilderConfiguration();
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
    final RuleBuildContext context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
    final AccumulateDescr accDescr = new AccumulateDescr();
    final PatternDescr inputPattern = new PatternDescr("org.drools.compiler.Cheese", "$cheese");
    accDescr.setInputPattern(inputPattern);
    accDescr.setInitCode("total = 0;");
    accDescr.setActionCode("total += $cheese.price;");
    accDescr.setReverseCode("total -= $cheese.price;");
    accDescr.setResultCode("new Integer(total)");
    final MVELAccumulateBuilder builder = new MVELAccumulateBuilder();
    final Accumulate acc = (Accumulate) builder.build(context, accDescr);
    ((MVELCompileable) acc.getAccumulators()[0]).compile((MVELDialectRuntimeData) pkgBuilder.getPackageRegistry(pkg.getName()).getDialectRuntimeRegistry().getDialectData("mvel"));
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    MockLeftTupleSink sink = new MockLeftTupleSink();
    final Cheese cheddar1 = new Cheese("cheddar", 10);
    final Cheese cheddar2 = new Cheese("cheddar", 8);
    final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(new InitialFactImpl());
    final InternalFactHandle f1 = (InternalFactHandle) ksession.insert(cheddar1);
    final InternalFactHandle f2 = (InternalFactHandle) ksession.insert(cheddar2);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, sink, true);
    Object wmContext = acc.createWorkingMemoryContext();
    Object accContext = acc.createContext();
    acc.init(wmContext, accContext, tuple, ksession);
    acc.accumulate(wmContext, accContext, tuple, f1, ksession);
    acc.accumulate(wmContext, accContext, tuple, f2, ksession);
    assertEquals(new Integer(18), acc.getResult(wmContext, accContext, tuple, ksession));
    acc.reverse(wmContext, accContext, tuple, f1, ksession);
    assertEquals(new Integer(8), acc.getResult(wmContext, accContext, tuple, ksession));
}
Also used : MVELCompileable(org.drools.core.base.mvel.MVELCompileable) RuleBuildContext(org.drools.compiler.rule.builder.RuleBuildContext) PatternDescr(org.drools.compiler.lang.descr.PatternDescr) KnowledgeBuilderConfigurationImpl(org.drools.compiler.builder.impl.KnowledgeBuilderConfigurationImpl) DialectCompiletimeRegistry(org.drools.compiler.compiler.DialectCompiletimeRegistry) MockLeftTupleSink(org.drools.compiler.reteoo.MockLeftTupleSink) Cheese(org.drools.compiler.Cheese) AccumulateDescr(org.drools.compiler.lang.descr.AccumulateDescr) InitialFactImpl(org.drools.core.reteoo.InitialFactImpl) Accumulate(org.drools.core.rule.Accumulate) KnowledgeBuilderImpl(org.drools.compiler.builder.impl.KnowledgeBuilderImpl) StatefulKnowledgeSessionImpl(org.drools.core.impl.StatefulKnowledgeSessionImpl) RuleDescr(org.drools.compiler.lang.descr.RuleDescr) LeftTupleImpl(org.drools.core.reteoo.LeftTupleImpl) PackageDescr(org.drools.compiler.lang.descr.PackageDescr) InternalFactHandle(org.drools.core.common.InternalFactHandle) InternalKnowledgeBase(org.drools.core.impl.InternalKnowledgeBase) InternalKnowledgePackage(org.drools.core.definitions.InternalKnowledgePackage) Test(org.junit.Test)

Aggregations

KnowledgeBuilderConfigurationImpl (org.drools.compiler.builder.impl.KnowledgeBuilderConfigurationImpl)2 KnowledgeBuilderImpl (org.drools.compiler.builder.impl.KnowledgeBuilderImpl)2 DialectCompiletimeRegistry (org.drools.compiler.compiler.DialectCompiletimeRegistry)2 RuleBuildContext (org.drools.compiler.rule.builder.RuleBuildContext)2 InternalFactHandle (org.drools.core.common.InternalFactHandle)2 InternalKnowledgePackage (org.drools.core.definitions.InternalKnowledgePackage)2 InitialFactImpl (org.drools.core.reteoo.InitialFactImpl)2 LeftTupleImpl (org.drools.core.reteoo.LeftTupleImpl)2 Accumulate (org.drools.core.rule.Accumulate)2 Test (org.junit.Test)2 Cheese (org.drools.compiler.Cheese)1 AccumulateDescr (org.drools.compiler.lang.descr.AccumulateDescr)1 PackageDescr (org.drools.compiler.lang.descr.PackageDescr)1 PatternDescr (org.drools.compiler.lang.descr.PatternDescr)1 RuleDescr (org.drools.compiler.lang.descr.RuleDescr)1 MockLeftTupleSink (org.drools.compiler.reteoo.MockLeftTupleSink)1 MVELCompileable (org.drools.core.base.mvel.MVELCompileable)1 InternalKnowledgeBase (org.drools.core.impl.InternalKnowledgeBase)1 StatefulKnowledgeSessionImpl (org.drools.core.impl.StatefulKnowledgeSessionImpl)1 AccumulateNode (org.drools.core.reteoo.AccumulateNode)1