Examples with MvelConstraint org.drools.core.rule.constraint.MvelConstraint used on opensource projects

Example 21 with MvelConstraint

use of org.drools.core.rule.constraint.MvelConstraint in project drools by kiegroup.

the class CompositeObjectSinkAdapterTest method testTripleAlphaObjectCharacterConstraint.

@Test
public void testTripleAlphaObjectCharacterConstraint() {
    final CompositeObjectSinkAdapter ad = new CompositeObjectSinkAdapter();
    InternalReadAccessor extractor = store.getReader(Cheese.class, "charObjectType");
    final MvelConstraint lit = new MvelConstraintTestUtil("charObjectType == 65", new LongFieldImpl(65), extractor);
    final AlphaNode al = new AlphaNode(buildContext.getNextId(), lit, new MockObjectSource(buildContext.getNextId()), buildContext);
    ad.addObjectSink(al);
    assertNull(ad.otherSinks);
    assertNotNull(ad.hashedFieldIndexes);
    assertEquals(1, ad.hashableSinks.size());
    assertEquals(al, ad.getSinks()[0]);
    final MvelConstraint lit2 = new MvelConstraintTestUtil("charObjectType == 66", new LongFieldImpl(66), extractor);
    final AlphaNode al2 = new AlphaNode(buildContext.getNextId(), lit2, new MockObjectSource(buildContext.getNextId()), buildContext);
    ad.addObjectSink(al2);
    assertNull(ad.hashedSinkMap);
    assertEquals(2, ad.hashableSinks.size());
    final MvelConstraint lit3 = new MvelConstraintTestUtil("charObjectType == 67", new LongFieldImpl(67), extractor);
    final AlphaNode al3 = new AlphaNode(buildContext.getNextId(), lit3, new MockObjectSource(buildContext.getNextId()), buildContext);
    ad.addObjectSink(al3);
    // this should now be nicely hashed.
    assertNotNull(ad.hashedSinkMap);
    assertNull(ad.hashableSinks);
    // test propagation
    Cheese cheese = new Cheese();
    cheese.setCharObjectType('B');
    CompositeObjectSinkAdapter.HashKey hashKey = new CompositeObjectSinkAdapter.HashKey();
    // should find this
    hashKey.setValue(extractor.getIndex(), cheese, extractor);
    ObjectSink sink = (ObjectSink) ad.hashedSinkMap.get(hashKey);
    assertSame(al2, sink);
    // should not find this one
    cheese.setCharObjectType('X');
    hashKey.setValue(extractor.getIndex(), cheese, extractor);
    sink = (ObjectSink) ad.hashedSinkMap.get(hashKey);
    assertNull(sink);
    // now remove one, check the hashing is undone
    ad.removeObjectSink(al2);
    assertNotNull(ad.hashableSinks);
    assertEquals(2, ad.hashableSinks.size());
    assertNull(ad.hashedSinkMap);
}

Example 22 with MvelConstraint

use of org.drools.core.rule.constraint.MvelConstraint in project drools by kiegroup.

the class CompositeObjectSinkAdapterTest method testTripleAlpha.

@Test
public void testTripleAlpha() {
    final CompositeObjectSinkAdapter ad = new CompositeObjectSinkAdapter();
    InternalReadAccessor extractor = store.getReader(Cheese.class, "type");
    final MvelConstraint lit = new MvelConstraintTestUtil("type == \"stilton\"", new ObjectFieldImpl("stilton"), new MockExtractor());
    final AlphaNode al = new AlphaNode(buildContext.getNextId(), lit, new MockObjectSource(buildContext.getNextId()), buildContext);
    ad.addObjectSink(al);
    assertNull(ad.otherSinks);
    assertNotNull(ad.hashedFieldIndexes);
    assertEquals(1, ad.hashableSinks.size());
    assertEquals(al, ad.getSinks()[0]);
    final MvelConstraint lit2 = new MvelConstraintTestUtil("type == \"cheddar\"", new ObjectFieldImpl("cheddar"), new MockExtractor());
    final AlphaNode al2 = new AlphaNode(buildContext.getNextId(), lit2, new MockObjectSource(buildContext.getNextId()), buildContext);
    ad.addObjectSink(al2);
    assertNull(ad.hashedSinkMap);
    assertEquals(2, ad.hashableSinks.size());
    final MvelConstraint lit3 = new MvelConstraintTestUtil("type == \"stinky\"", new ObjectFieldImpl("stinky"), new MockExtractor());
    final AlphaNode al3 = new AlphaNode(buildContext.getNextId(), lit3, new MockObjectSource(buildContext.getNextId()), buildContext);
    ad.addObjectSink(al3);
    // this should now be nicely hashed.
    assertNotNull(ad.hashedSinkMap);
    assertNull(ad.hashableSinks);
    // now remove one, check the hashing is undone
    ad.removeObjectSink(al2);
    assertNotNull(ad.hashableSinks);
    assertEquals(2, ad.hashableSinks.size());
    assertNull(ad.hashedSinkMap);
}

Example 23 with MvelConstraint

use of org.drools.core.rule.constraint.MvelConstraint in project drools by kiegroup.

the class CompositeObjectSinkAdapterTest method testPropagationWithNullValue.

@Test
public void testPropagationWithNullValue() {
    final CompositeObjectSinkAdapter ad = new CompositeObjectSinkAdapter();
    InternalReadAccessor extractor = store.getReader(Cheese.class, "type");
    final MvelConstraint lit1 = new MvelConstraintTestUtil("type == \"stilton\"", new ObjectFieldImpl("stilton"), new MockExtractor());
    final AlphaNode al1 = new AlphaNode(buildContext.getNextId(), lit1, new MockObjectSource(buildContext.getNextId()), buildContext);
    final MvelConstraint lit2 = new MvelConstraintTestUtil("type == \"brie\"", new ObjectFieldImpl("brie"), new MockExtractor());
    final AlphaNode al2 = new AlphaNode(buildContext.getNextId(), lit2, new MockObjectSource(buildContext.getNextId()), buildContext);
    final MvelConstraint lit3 = new MvelConstraintTestUtil("type == \"muzzarela\"", new ObjectFieldImpl("muzzarela"), new MockExtractor());
    final AlphaNode al3 = new AlphaNode(buildContext.getNextId(), lit3, new MockObjectSource(buildContext.getNextId()), buildContext);
    ad.addObjectSink(al1);
    ad.addObjectSink(al2);
    ad.addObjectSink(al3);
    InternalFactHandle handle = new ReteooFactHandleFactory().newFactHandle(new Cheese(), null, null, new DisconnectedWorkingMemoryEntryPoint("DEFAULT"));
    try {
        ad.propagateAssertObject(handle, null, null);
    } catch (RuntimeException e) {
        fail("Not supposed to throw any exception: " + e.getMessage());
    }
}

Example 24 with MvelConstraint

use of org.drools.core.rule.constraint.MvelConstraint in project drools by kiegroup.

the class RuleBaseEventSupportTest method setUp.

/* (non-Javadoc)
     * @see junit.framework.TestCase#setUp()
     */
@Before
public void setUp() throws Exception {
    kBase = (InternalKnowledgeBase) KnowledgeBaseFactory.newKnowledgeBase();
    listener1 = new TestRuleBaseListener("(listener-1) ");
    listener2 = new TestRuleBaseListener("(listener-2) ");
    kBase.addEventListener(listener1);
    kBase.addEventListener(listener2);
    final RuleImpl rule1 = new RuleImpl("test1");
    final ClassObjectType cheeseObjectType = new ClassObjectType(Cheese.class);
    final Pattern pattern = new Pattern(0, cheeseObjectType);
    ClassFieldAccessorStore store = new ClassFieldAccessorStore();
    store.setClassFieldAccessorCache(new ClassFieldAccessorCache(Thread.currentThread().getContextClassLoader()));
    store.setEagerWire(true);
    final ClassFieldReader extractor = store.getReader(Cheese.class, "type");
    final FieldValue field = FieldFactory.getInstance().getFieldValue("cheddar");
    final MvelConstraint constraint = new MvelConstraintTestUtil("type == \"cheddar\"", field, extractor);
    pattern.addConstraint(constraint);
    rule1.addPattern(pattern);
    rule1.setConsequence(new Consequence() {

        private static final long serialVersionUID = 510l;

        public void evaluate(final KnowledgeHelper knowledgeHelper, final WorkingMemory workingMemory) throws Exception {
        }

        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        }

        public void writeExternal(ObjectOutput out) throws IOException {
        }

        public String getName() {
            return "default";
        }
    });
    final RuleImpl rule2 = new RuleImpl("test2");
    final ClassObjectType cheeseObjectType2 = new ClassObjectType(Cheese.class);
    final Pattern pattern2 = new Pattern(0, cheeseObjectType2);
    final FieldValue field2 = FieldFactory.getInstance().getFieldValue("stilton");
    final MvelConstraint constraint2 = new MvelConstraintTestUtil("type == \"stilton\"", field, extractor);
    pattern2.addConstraint(constraint2);
    rule2.addPattern(pattern2);
    rule2.setConsequence(new Consequence() {

        private static final long serialVersionUID = 510l;

        public void evaluate(final KnowledgeHelper knowledgeHelper, final WorkingMemory workingMemory) throws Exception {
        }

        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        }

        public void writeExternal(ObjectOutput out) throws IOException {
        }

        public String getName() {
            return "default";
        }
    });
    pkg = new KnowledgePackageImpl("org.drools.test1");
    pkg.addRule(rule1);
    pkg.addRule(rule2);
}

Example 25 with MvelConstraint

use of org.drools.core.rule.constraint.MvelConstraint in project drools by kiegroup.

the class KnowledgeBaseEventSupportTest method setUp.

/* (non-Javadoc)
     * @see junit.framework.TestCase#setUp()
     */
@Before
public void setUp() throws Exception {
    kbase = KnowledgeBaseFactory.newKnowledgeBase();
    listener1 = new TestRuleBaseListener("(listener-1) ");
    listener2 = new TestRuleBaseListener("(listener-2) ");
    kbase.addEventListener(listener1);
    kbase.addEventListener(listener2);
    final RuleImpl rule1 = new RuleImpl("test1");
    final ClassObjectType cheeseObjectType = new ClassObjectType(Cheese.class);
    final Pattern pattern = new Pattern(0, cheeseObjectType);
    ClassFieldAccessorStore store = new ClassFieldAccessorStore();
    store.setClassFieldAccessorCache(new ClassFieldAccessorCache(Thread.currentThread().getContextClassLoader()));
    store.setEagerWire(true);
    final ClassFieldReader extractor = store.getReader(Cheese.class, "type");
    final FieldValue field = FieldFactory.getInstance().getFieldValue("cheddar");
    final MvelConstraint constraint = new MvelConstraintTestUtil("type == \"cheddar\"", field, extractor);
    pattern.addConstraint(constraint);
    rule1.addPattern(pattern);
    rule1.setConsequence(new Consequence() {

        private static final long serialVersionUID = 510l;

        public void evaluate(final KnowledgeHelper knowledgeHelper, final WorkingMemory workingMemory) throws Exception {
        }

        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        }

        public void writeExternal(ObjectOutput out) throws IOException {
        }

        public String getName() {
            return "default";
        }
    });
    final RuleImpl rule2 = new RuleImpl("test2");
    final ClassObjectType cheeseObjectType2 = new ClassObjectType(Cheese.class);
    final Pattern pattern2 = new Pattern(0, cheeseObjectType2);
    final FieldValue field2 = FieldFactory.getInstance().getFieldValue("stilton");
    final MvelConstraint constraint2 = new MvelConstraintTestUtil("type == \"stilton\"", field, extractor);
    pattern2.addConstraint(constraint2);
    rule2.addPattern(pattern2);
    rule2.setConsequence(new Consequence() {

        private static final long serialVersionUID = 510l;

        public void evaluate(final KnowledgeHelper knowledgeHelper, final WorkingMemory workingMemory) throws Exception {
        }

        public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        }

        public void writeExternal(ObjectOutput out) throws IOException {
        }

        public String getName() {
            return "default";
        }
    });
    pkg = new KnowledgePackageImpl("org.drools.test1");
    pkg.addRule(rule1);
    pkg.addRule(rule2);
}