/*
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.event.knowledgebase;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.ArrayList;
import java.util.List;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
import org.drools.Cheese;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.WorkingMemory;
import org.drools.base.ClassFieldAccessorCache;
import org.drools.base.ClassFieldAccessorStore;
import org.drools.base.ClassFieldReader;
import org.drools.base.ClassObjectType;
import org.drools.base.FieldFactory;
import org.drools.base.ValueType;
import org.drools.base.evaluators.EqualityEvaluatorsDefinition;
import org.drools.base.evaluators.Operator;
import org.drools.definition.KnowledgePackage;
import org.drools.definitions.impl.KnowledgePackageImp;
import org.drools.rule.LiteralConstraint;
import org.drools.rule.Package;
import org.drools.rule.Pattern;
import org.drools.rule.Rule;
import org.drools.spi.Consequence;
import org.drools.spi.Evaluator;
import org.drools.spi.FieldValue;
import org.drools.spi.KnowledgeHelper;
public class KnowledgeBaseEventSupportTest {
private KnowledgeBase kbase;
private TestRuleBaseListener listener1;
private TestRuleBaseListener listener2;
private KnowledgePackageImp pkg;
/* (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 Rule rule1 = new Rule( "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",
getClass().getClassLoader() );
final FieldValue field = FieldFactory.getFieldValue( "cheddar" );
final Evaluator evaluator = new EqualityEvaluatorsDefinition().getEvaluator( ValueType.STRING_TYPE,
Operator.EQUAL,
null );
final LiteralConstraint constraint = new LiteralConstraint( extractor,
evaluator,
field );
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 Rule rule2 = new Rule( "test2" );
final ClassObjectType cheeseObjectType2 = new ClassObjectType( Cheese.class );
final Pattern pattern2 = new Pattern( 0,
cheeseObjectType2 );
final FieldValue field2 = FieldFactory.getFieldValue( "stilton" );
final LiteralConstraint constraint2 = new LiteralConstraint( extractor,
evaluator,
field2 );
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 KnowledgePackageImp( new Package( "org.drools.test1" ) );
pkg.pkg.addRule( rule1 );
pkg.pkg.addRule( rule2 );
}
@Test
public void testAddPackageEvents() throws Exception {
assertEquals( 0,
listener1.getBeforePackageAdded() );
assertEquals( 0,
listener1.getAfterPackageAdded() );
assertEquals( 0,
listener2.getBeforePackageAdded() );
assertEquals( 0,
listener2.getAfterPackageAdded() );
assertEquals( 0,
listener1.getBeforeRuleAdded() );
assertEquals( 0,
listener1.getAfterRuleAdded() );
assertEquals( 0,
listener2.getBeforeRuleAdded() );
assertEquals( 0,
listener2.getAfterRuleAdded() );
List<KnowledgePackage> pkgs = new ArrayList<KnowledgePackage>();
pkgs.add( pkg );
this.kbase.addKnowledgePackages( pkgs );
assertEquals( 1,
listener1.getBeforePackageAdded() );
assertEquals( 1,
listener1.getAfterPackageAdded() );
assertEquals( 1,
listener2.getBeforePackageAdded() );
assertEquals( 1,
listener2.getAfterPackageAdded() );
assertEquals( 2,
listener1.getBeforeRuleAdded() );
assertEquals( 2,
listener1.getAfterRuleAdded() );
assertEquals( 2,
listener2.getBeforeRuleAdded() );
assertEquals( 2,
listener2.getAfterRuleAdded() );
}
@Test
public void testRemovePackageEvents() throws Exception {
List<KnowledgePackage> pkgs = new ArrayList<KnowledgePackage>();
pkgs.add( pkg );
this.kbase.addKnowledgePackages( pkgs );
assertEquals( 0,
listener1.getBeforeKnowledgePackageRemoved() );
assertEquals( 0,
listener1.getAfterKnowledgePackageRemoved() );
assertEquals( 0,
listener2.getBeforeKnowledgePackageRemoved() );
assertEquals( 0,
listener2.getAfterKnowledgePackageRemoved() );
assertEquals( 0,
listener1.getBeforeRuleRemoved() );
assertEquals( 0,
listener1.getAfterRuleRemoved() );
assertEquals( 0,
listener2.getBeforeRuleRemoved() );
assertEquals( 0,
listener2.getAfterRuleRemoved() );
this.kbase.removeKnowledgePackage( "org.drools.test1" );
assertEquals( 1,
listener1.getBeforeKnowledgePackageRemoved() );
assertEquals( 1,
listener1.getAfterKnowledgePackageRemoved() );
assertEquals( 1,
listener2.getBeforeKnowledgePackageRemoved() );
assertEquals( 1,
listener2.getAfterKnowledgePackageRemoved() );
assertEquals( 2,
listener1.getBeforeRuleRemoved() );
assertEquals( 2,
listener1.getAfterRuleRemoved() );
assertEquals( 2,
listener2.getBeforeRuleRemoved() );
assertEquals( 2,
listener2.getAfterRuleRemoved() );
}
public static class TestRuleBaseListener
implements
KnowledgeBaseEventListener {
private String id;
private int beforePackageAdded = 0;
private int afterPackageAdded = 0;
private int beforePackageRemoved = 0;
private int afterPackageRemoved = 0;
private int beforeRuleAdded = 0;
private int afterRuleAdded = 0;
private int beforeRuleRemoved = 0;
private int afterRuleRemoved = 0;
public TestRuleBaseListener() {
}
public TestRuleBaseListener(String id) {
super();
this.id = id;
}
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException {
id = (String) in.readObject();
beforePackageAdded = in.readInt();
afterPackageAdded = in.readInt();
beforePackageRemoved = in.readInt();
afterPackageRemoved = in.readInt();
beforeRuleAdded = in.readInt();
afterRuleAdded = in.readInt();
beforeRuleRemoved = in.readInt();
afterRuleRemoved = in.readInt();
}
public void writeExternal(ObjectOutput out) throws IOException {
out.writeObject( id );
out.writeInt( beforePackageAdded );
out.writeInt( afterPackageAdded );
out.writeInt( beforePackageRemoved );
out.writeInt( afterPackageRemoved );
out.writeInt( beforeRuleAdded );
out.writeInt( afterRuleAdded );
out.writeInt( beforeRuleRemoved );
out.writeInt( afterRuleRemoved );
}
public void afterKnowledgePackageAdded(AfterKnowledgePackageAddedEvent event) {
// System.out.println( this.id + event );
this.afterPackageAdded++;
}
public void beforeKnowledgePackageAdded(BeforeKnowledgePackageAddedEvent event) {
// System.out.println( this.id + event );
this.beforePackageAdded++;
}
protected int getAfterPackageAdded() {
return afterPackageAdded;
}
protected int getBeforePackageAdded() {
return beforePackageAdded;
}
protected String getId() {
return id;
}
public void afterKnowledgePackageRemoved(AfterKnowledgePackageRemovedEvent event) {
// System.out.println( this.id + event );
this.afterPackageRemoved++;
}
public void beforeKnowledgePackageRemoved(BeforeKnowledgePackageRemovedEvent event) {
// System.out.println( this.id + event );
this.beforePackageRemoved++;
}
protected int getAfterKnowledgePackageRemoved() {
return afterPackageRemoved;
}
protected int getBeforeKnowledgePackageRemoved() {
return beforePackageRemoved;
}
public int getAfterRuleAdded() {
return afterRuleAdded;
}
public int getBeforeRuleAdded() {
return beforeRuleAdded;
}
public void afterRuleAdded(AfterRuleAddedEvent event) {
// System.out.println( this.id + event );
this.afterRuleAdded++;
}
public void beforeRuleAdded(BeforeRuleAddedEvent event) {
// System.out.println( this.id + event );
this.beforeRuleAdded++;
}
public int getAfterRuleRemoved() {
return afterRuleRemoved;
}
public int getBeforeRuleRemoved() {
return beforeRuleRemoved;
}
public void afterRuleRemoved(AfterRuleRemovedEvent event) {
// System.out.println( this.id + event );
this.afterRuleRemoved++;
}
public void beforeRuleRemoved(BeforeRuleRemovedEvent event) {
// System.out.println( this.id + event );
this.beforeRuleRemoved++;
}
public void afterFunctionRemoved(AfterFunctionRemovedEvent event) {
// TODO Auto-generated method stub
}
public void afterKnowledgeBaseLocked(AfterKnowledgeBaseLockedEvent event) {
// TODO Auto-generated method stub
}
public void afterKnowledgeBaseUnlocked(AfterKnowledgeBaseUnlockedEvent event) {
// TODO Auto-generated method stub
}
public void beforeFunctionRemoved(BeforeFunctionRemovedEvent event) {
// TODO Auto-generated method stub
}
public void beforeKnowledgeBaseLocked(BeforeKnowledgeBaseLockedEvent event) {
// TODO Auto-generated method stub
}
public void beforeKnowledgeBaseUnlocked(BeforeKnowledgeBaseUnlockedEvent event) {
// TODO Auto-generated method stub
}
public void afterProcessAdded(AfterProcessAddedEvent arg0) {
// TODO Auto-generated method stub
}
public void afterProcessRemoved(AfterProcessRemovedEvent arg0) {
// TODO Auto-generated method stub
}
public void beforeProcessAdded(BeforeProcessAddedEvent arg0) {
// TODO Auto-generated method stub
}
public void beforeProcessRemoved(BeforeProcessRemovedEvent arg0) {
// TODO Auto-generated method stub
}
}
}