Examples with PropagationContextFactory org.drools.core.common.PropagationContextFactory used on opensource projects

Example 21 with PropagationContextFactory

use of org.drools.core.common.PropagationContextFactory in project drools by kiegroup.

the class AlphaNodeTest method testLiteralConstraintAssertObjectWithoutMemory.

@Test
public void testLiteralConstraintAssertObjectWithoutMemory() throws Exception {
    InternalKnowledgeBase kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
    BuildContext buildContext = new BuildContext(kBase);
    buildContext.setRule(new RuleImpl("test"));
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    final RuleImpl rule = new RuleImpl("test-rule");
    PropagationContextFactory pctxFactory = kBase.getConfiguration().getComponentFactory().getPropagationContextFactory();
    final PropagationContext context = pctxFactory.createPropagationContext(0, PropagationContext.Type.INSERTION, null, null, null);
    final MockObjectSource source = new MockObjectSource(buildContext.getNextId());
    final ClassFieldReader extractor = store.getReader(Cheese.class, "type");
    final FieldValue field = FieldFactory.getInstance().getFieldValue("cheddar");
    final MvelConstraint constraint = new MvelConstraintTestUtil("type == \"cheddar\"", field, extractor);
    // With Memory
    final AlphaNode alphaNode = new AlphaNode(buildContext.getNextId(), constraint, source, // no memory
    buildContext);
    final MockObjectSink sink = new MockObjectSink();
    alphaNode.addObjectSink(sink);
    final Cheese cheddar = new Cheese("cheddar", 5);
    final DefaultFactHandle f0 = (DefaultFactHandle) ksession.insert(cheddar);
    // check sink is empty
    assertLength(0, sink.getAsserted());
    // object should assert as it passes text
    alphaNode.assertObject(f0, context, ksession);
    assertEquals(1, sink.getAsserted().size());
    Object[] list = (Object[]) sink.getAsserted().get(0);
    assertSame(cheddar, ksession.getObject((DefaultFactHandle) list[0]));
    final Cheese stilton = new Cheese("stilton", 6);
    final DefaultFactHandle f1 = new DefaultFactHandle(1, stilton);
    // object should NOT assert as it does not pass test
    alphaNode.assertObject(f1, context, ksession);
    assertLength(1, sink.getAsserted());
    list = (Object[]) sink.getAsserted().get(0);
    assertSame(cheddar, ksession.getObject((DefaultFactHandle) list[0]));
}

Example 22 with PropagationContextFactory

use of org.drools.core.common.PropagationContextFactory in project drools by kiegroup.

the class RuleUnlinkingTest method setUp.

public void setUp(int type) {
    kBase = KnowledgeBaseFactory.newKnowledgeBase();
    buildContext = new BuildContext(kBase, Collections.emptyList());
    PropagationContextFactory pctxFactory = new PhreakPropagationContextFactory();
    context = pctxFactory.createPropagationContext(0, PropagationContext.Type.INSERTION, null, null, null);
    ObjectTypeNode otn = new ObjectTypeNode(4, null, new ClassObjectType(String.class), buildContext);
    liaNode = new LeftInputAdapterNode(5, otn, buildContext);
    n1 = (BetaNode) createNetworkNode(10, type, liaNode, null);
    n2 = (BetaNode) createNetworkNode(11, type, n1, null);
    n3 = (BetaNode) createNetworkNode(12, type, n2, null);
    rule1 = new RuleImpl("rule1");
    rule1.setActivationListener("agenda");
    rtn1 = (RuleTerminalNode) createNetworkNode(18, RULE_TERMINAL_NODE, n3, rule1);
    n4 = (BetaNode) createNetworkNode(13, type, n3, null);
    n5 = (BetaNode) createNetworkNode(14, type, n4, null);
    rule2 = new RuleImpl("rule2");
    rule2.setActivationListener("agenda");
    rtn2 = (RuleTerminalNode) createNetworkNode(19, RULE_TERMINAL_NODE, n5, rule2);
    n6 = (BetaNode) createNetworkNode(15, type, n5, null);
    n7 = (BetaNode) createNetworkNode(16, type, n6, null);
    n8 = (BetaNode) createNetworkNode(17, type, n7, null);
    rule3 = new RuleImpl("rule3");
    rule3.setActivationListener("agenda");
    rtn3 = (RuleTerminalNode) createNetworkNode(20, RULE_TERMINAL_NODE, n8, rule3);
    // n1 -> n2 -> n3 -> r1
    // \
    // n4 -> n5 -> r2
    // \
    // n6 -> n7 -> n8 -> r3
    liaNode.addAssociation(rule1);
    liaNode.addAssociation(rule2);
    liaNode.addAssociation(rule3);
    n1.addAssociation(rule1);
    n1.addAssociation(rule2);
    n1.addAssociation(rule3);
    n2.addAssociation(rule1);
    n2.addAssociation(rule2);
    n2.addAssociation(rule3);
    n3.addAssociation(rule1);
    n3.addAssociation(rule2);
    n3.addAssociation(rule3);
    n4.addAssociation(rule2);
    n4.addAssociation(rule3);
    n5.addAssociation(rule2);
    n5.addAssociation(rule3);
    n6.addAssociation(rule3);
    n7.addAssociation(rule3);
    n8.addAssociation(rule3);
}

Example 23 with PropagationContextFactory

use of org.drools.core.common.PropagationContextFactory in project drools by kiegroup.

the class NodeSegmentUnlinkingTest method setUp.

public void setUp(int... type) {
    kBase = KnowledgeBaseFactory.newKnowledgeBase();
    buildContext = new BuildContext(kBase, Collections.emptyList());
    PropagationContextFactory pctxFactory = new PhreakPropagationContextFactory();
    context = pctxFactory.createPropagationContext(0, PropagationContext.Type.INSERTION, null, null, null);
    MockTupleSource mockTupleSource = new MockTupleSource(9, buildContext);
    rule1 = new RuleImpl("rule1");
    rule2 = new RuleImpl("rule2");
    rule3 = new RuleImpl("rule3");
    ObjectTypeNode otn = new ObjectTypeNode(3, null, new ClassObjectType(String.class), buildContext);
    liaNode = new LeftInputAdapterNode(4, otn, buildContext);
    // 3, 4, 5, 6 are in same shared segment
    n1 = createBetaNode(10, type[0], liaNode);
    n2 = createBetaNode(11, type[1], n1);
    RuleTerminalNode rtn1 = new RuleTerminalNode(18, n2, rule1, rule1.getLhs(), 0, buildContext);
    rtn1.attach(buildContext);
    n3 = createBetaNode(12, type[2], n1);
    n4 = createBetaNode(13, type[3], n3);
    n5 = createBetaNode(14, type[4], n4);
    n6 = createBetaNode(15, type[5], n5);
    RuleTerminalNode rtn2 = new RuleTerminalNode(19, n6, rule2, rule2.getLhs(), 0, buildContext);
    rtn2.attach(buildContext);
    n7 = createBetaNode(16, type[6], n6);
    n8 = createBetaNode(17, type[7], n7);
    RuleTerminalNode rtn3 = new RuleTerminalNode(20, n8, rule3, rule3.getLhs(), 0, buildContext);
    rtn3.attach(buildContext);
    // n1 -> n2 -> r1
    // \
    // n3 -> n4 -> n5 -> n6 -> r2
    // \
    // n7 -> n8 -> r3
    n1.addAssociation(rule1);
    n1.addAssociation(rule2);
    n1.addAssociation(rule3);
    n2.addAssociation(rule1);
    n2.addAssociation(rule2);
    n2.addAssociation(rule3);
    n3.addAssociation(rule2);
    n3.addAssociation(rule3);
    n4.addAssociation(rule2);
    n4.addAssociation(rule3);
    n5.addAssociation(rule2);
    n5.addAssociation(rule3);
    n6.addAssociation(rule2);
    n6.addAssociation(rule3);
    n7.addAssociation(rule3);
    n8.addAssociation(rule3);
}

Example 24 with PropagationContextFactory

use of org.drools.core.common.PropagationContextFactory in project drools by kiegroup.

the class RuleUnlinkingWithSegmentMemoryTest method setUp.

public void setUp(int type) {
    KieBaseConfiguration kconf = RuleBaseFactory.newKnowledgeBaseConfiguration();
    kBase = KnowledgeBaseFactory.newKnowledgeBase(RuleBaseFactory.newRuleBase(kconf));
    buildContext = new BuildContext(kBase, Collections.emptyList());
    PropagationContextFactory pctxFactory = new PhreakPropagationContextFactory();
    context = pctxFactory.createPropagationContext(0, PropagationContext.Type.INSERTION, null, null, null);
    ObjectTypeNode otn = new ObjectTypeNode(4, null, new ClassObjectType(String.class), buildContext);
    lian = new LeftInputAdapterNode(5, otn, buildContext);
    n1 = (BetaNode) createNetworkNode(10, type, lian, null);
    n2 = (BetaNode) createNetworkNode(11, type, n1, null);
    n3 = (BetaNode) createNetworkNode(12, type, n2, null);
    rule1 = new RuleImpl("rule1");
    rule1.setActivationListener("agenda");
    rtn1 = (RuleTerminalNode) createNetworkNode(18, RULE_TERMINAL_NODE, n3, rule1);
    n4 = (BetaNode) createNetworkNode(13, type, n3, null);
    n5 = (BetaNode) createNetworkNode(14, type, n4, null);
    rule2 = new RuleImpl("rule2");
    rule2.setActivationListener("agenda");
    rtn2 = (RuleTerminalNode) createNetworkNode(19, RULE_TERMINAL_NODE, n5, rule2);
    n6 = (BetaNode) createNetworkNode(15, type, n5, null);
    n7 = (BetaNode) createNetworkNode(16, type, n6, null);
    n8 = (BetaNode) createNetworkNode(17, type, n7, null);
    rule3 = new RuleImpl("rule3");
    rule3.setActivationListener("agenda");
    rtn3 = (RuleTerminalNode) createNetworkNode(20, RULE_TERMINAL_NODE, n8, rule3);
    lian.addAssociation(rule1);
    lian.addAssociation(rule2);
    lian.addAssociation(rule3);
    n1.addAssociation(rule1);
    n1.addAssociation(rule2);
    n1.addAssociation(rule3);
    n2.addAssociation(rule1);
    n2.addAssociation(rule2);
    n2.addAssociation(rule3);
    n3.addAssociation(rule1);
    n3.addAssociation(rule2);
    n3.addAssociation(rule3);
    n4.addAssociation(rule2);
    n4.addAssociation(rule3);
    n5.addAssociation(rule2);
    n5.addAssociation(rule3);
    n6.addAssociation(rule3);
    n7.addAssociation(rule3);
    n8.addAssociation(rule3);
}

Example 25 with PropagationContextFactory

use of org.drools.core.common.PropagationContextFactory in project drools by kiegroup.

the class MVELConsequenceBuilderTest method testSimpleExpression.

@Test
public void testSimpleExpression() throws Exception {
    PackageDescr pkgDescr = new PackageDescr("pkg1");
    KnowledgeBuilderImpl pkgBuilder = new KnowledgeBuilderImpl();
    pkgBuilder.addPackage(pkgDescr);
    InternalKnowledgePackage pkg = pkgBuilder.getPackageRegistry("pkg1").getPackage();
    final RuleDescr ruleDescr = new RuleDescr("rule 1");
    ruleDescr.setNamespace("pkg1");
    ruleDescr.setConsequence("modify (cheese) {price = 5 };\nretract (cheese)");
    DialectCompiletimeRegistry dialectRegistry = pkgBuilder.getPackageRegistry(pkg.getName()).getDialectCompiletimeRegistry();
    MVELDialect mvelDialect = (MVELDialect) dialectRegistry.getDialect("mvel");
    final RuleBuildContext context = new RuleBuildContext(pkgBuilder, ruleDescr, dialectRegistry, pkg, mvelDialect);
    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);
    InternalKnowledgeBase kBase = KnowledgeBaseFactory.newKnowledgeBase();
    PropagationContextFactory pctxFactory = RuntimeComponentFactory.get().getPropagationContextFactory();
    kBase.addPackage(pkg);
    StatefulKnowledgeSessionImpl ksession = (StatefulKnowledgeSessionImpl) kBase.newKieSession();
    BuildContext buildContext = new BuildContext(kBase, Collections.emptyList());
    MockTupleSource source = new MockTupleSource(1, buildContext);
    source.setObjectCount(1);
    RuleTerminalNode rtn = new RuleTerminalNode(0, source, context.getRule(), subrule, 0, buildContext);
    final Cheese cheddar = new Cheese("cheddar", 10);
    final InternalFactHandle f0 = (InternalFactHandle) ksession.insert(cheddar);
    final LeftTupleImpl tuple = new LeftTupleImpl(f0, rtn, true);
    f0.removeLeftTuple(tuple);
    final AgendaItem item = new AgendaItemImpl(0, tuple, 10, pctxFactory.createPropagationContext(1, PropagationContext.Type.DELETION, null, null, null), rtn, null);
    final DefaultKnowledgeHelper kbHelper = new DefaultKnowledgeHelper(ksession);
    kbHelper.setActivation(item);
    ((MVELConsequence) context.getRule().getConsequence()).compile((MVELDialectRuntimeData) pkgBuilder.getPackageRegistry(pkg.getName()).getDialectRuntimeRegistry().getDialectData("mvel"));
    context.getRule().getConsequence().evaluate(kbHelper, ksession);
    assertEquals(5, cheddar.getPrice());
}