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

Example 11 with PropagationContextFactory

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

the class StatefulKnowledgeSessionImpl method initInitialFact.

public InternalFactHandle initInitialFact(InternalKnowledgeBase kBase, InternalWorkingMemoryEntryPoint entryPoint, EntryPointId epId, MarshallerReaderContext context) {
    InitialFact initialFact = InitialFactImpl.getInstance();
    InternalFactHandle handle = new DefaultFactHandle(0, initialFact, 0, entryPoint);
    ClassObjectTypeConf otc = (ClassObjectTypeConf) entryPoint.getObjectTypeConfigurationRegistry().getObjectTypeConf(epId, initialFact);
    ObjectTypeNode otn = otc.getConcreteObjectTypeNode();
    if (otn != null) {
        PropagationContextFactory ctxFact = kBase.getConfiguration().getComponentFactory().getPropagationContextFactory();
        PropagationContext pctx = ctxFact.createPropagationContext(0, PropagationContext.Type.INSERTION, null, null, handle, epId, context);
        otn.assertInitialFact(handle, pctx, this);
    }
    return handle;
}

Example 12 with PropagationContextFactory

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

the class AddRemoveRule method insertFacts.

private static void insertFacts(PathEndNodes endNodes, InternalWorkingMemory[] wms) {
    Set<LeftTupleNode> visited = new HashSet<LeftTupleNode>();
    for (PathEndNode endNode : endNodes.subjectEndNodes) {
        LeftTupleNode[] nodes = endNode.getPathNodes();
        for (int i = 0; i < nodes.length; i++) {
            LeftTupleNode node = nodes[i];
            if (NodeTypeEnums.isBetaNode(node) && node.getAssociationsSize() == 1) {
                if (!visited.add(node)) {
                    // this is to avoid rentering a path, and processing nodes twice. This can happen for nested subnetworks.
                    continue;
                }
                BetaNode bn = (BetaNode) node;
                if (!bn.isRightInputIsRiaNode()) {
                    for (int j = 0; j < wms.length; j++) {
                        PropagationContextFactory pctxFactory = wms[j].getKnowledgeBase().getConfiguration().getComponentFactory().getPropagationContextFactory();
                        final PropagationContext pctx = pctxFactory.createPropagationContext(wms[j].getNextPropagationIdCounter(), PropagationContext.Type.RULE_ADDITION, null, null, null);
                        bn.getRightInput().updateSink(bn, pctx, wms[j]);
                    }
                }
            }
        }
    }
}

Example 13 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]));
}