/**
* 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.grid.remote;
import java.util.Collection;
import java.util.UUID;
import org.drools.KnowledgeBase;
import org.drools.command.FinishedCommand;
import org.drools.command.KnowledgeBaseAddKnowledgePackagesCommand;
import org.drools.command.KnowledgeContextResolveFromContextCommand;
import org.drools.command.NewStatefulKnowledgeSessionCommand;
import org.drools.command.SetVariableCommand;
import org.drools.definition.KnowledgePackage;
import org.drools.definition.process.Process;
import org.drools.definition.rule.Query;
import org.drools.definition.rule.Rule;
import org.drools.definition.type.FactType;
import org.drools.event.knowledgebase.KnowledgeBaseEventListener;
import org.drools.runtime.Environment;
import org.drools.runtime.KnowledgeSessionConfiguration;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.StatelessKnowledgeSession;
import org.drools.grid.generic.CollectionClient;
import org.drools.grid.generic.GenericNodeConnector;
import org.drools.grid.generic.Message;
import org.drools.grid.generic.MessageSession;
public class KnowledgeBaseRemoteClient
implements
KnowledgeBase {
private GenericNodeConnector client;
private MessageSession messageSession;
private String instanceId;
public KnowledgeBaseRemoteClient(String instanceId,
GenericNodeConnector client, MessageSession messageSession) {
this.instanceId = instanceId;
this.client = client;
this.messageSession = messageSession;
}
public void addKnowledgePackages(Collection<KnowledgePackage> kpackages) {
String kresultsId = "kresults_" + messageSession.getSessionId();
String kuilderInstanceId = ((CollectionClient<KnowledgePackage>) kpackages).getParentInstanceId();
Message msg = new Message( messageSession.getSessionId(),
messageSession.counter.incrementAndGet(),
false,
new KnowledgeContextResolveFromContextCommand( new KnowledgeBaseAddKnowledgePackagesCommand(),
kuilderInstanceId,
instanceId,
null,
kresultsId ) );
try {
Object object = client.write( msg ).getPayload();
if ( !(object instanceof FinishedCommand) ) {
throw new RuntimeException( "Response was not correctly ended" );
}
} catch ( Exception e ) {
throw new RuntimeException( "Unable to execute message",
e );
}
}
public FactType getFactType(String packageName,
String typeName) {
// TODO Auto-generated method stub
return null;
}
public KnowledgePackage getKnowledgePackage(String packageName) {
// TODO Auto-generated method stub
return null;
}
public Collection<KnowledgePackage> getKnowledgePackages() {
// TODO Auto-generated method stub
return null;
}
public Process getProcess(String processId) {
// TODO Auto-generated method stub
return null;
}
public Rule getRule(String packageName,
String ruleName) {
// TODO Auto-generated method stub
return null;
}
public Query getQuery(String packageName,
String queryName) {
// TODO Auto-generated method stub
return null;
}
public StatefulKnowledgeSession newStatefulKnowledgeSession() {
return newStatefulKnowledgeSession( null,
null );
}
public StatefulKnowledgeSession newStatefulKnowledgeSession(KnowledgeSessionConfiguration conf,
Environment environment) {
String kresultsId = "kresults_" + messageSession.getSessionId();
String localId = UUID.randomUUID().toString();
Message msg = new Message( messageSession.getSessionId(),
messageSession.counter.incrementAndGet(),
false,
new SetVariableCommand( "__TEMP__",
localId,
new KnowledgeContextResolveFromContextCommand( new NewStatefulKnowledgeSessionCommand( null ),
null,
instanceId,
null,
kresultsId ) ) );
try {
Object object = client.write( msg ).getPayload();
if ( !(object instanceof FinishedCommand) ) {
throw new RuntimeException( "Response was not correctly ended" );
}
} catch ( Exception e ) {
throw new RuntimeException( "Unable to execute message",
e );
}
return new StatefulKnowledgeSessionRemoteClient( localId,
client, messageSession );
}
public Collection<StatefulKnowledgeSession> getStatefulKnowledgeSessions()
{
// TODO Auto-generated method stub
return null;
}
public StatelessKnowledgeSession newStatelessKnowledgeSession(KnowledgeSessionConfiguration conf) {
// TODO Auto-generated method stub
return null;
}
public StatelessKnowledgeSession newStatelessKnowledgeSession() {
// TODO Auto-generated method stub
return null;
}
public void removeKnowledgePackage(String packageName) {
// TODO Auto-generated method stub
}
public void removeProcess(String processId) {
// TODO Auto-generated method stub
}
public void removeRule(String packageName,
String ruleName) {
// TODO Auto-generated method stub
}
public void removeQuery(String packageName,
String queryName) {
// TODO Auto-generated method stub
}
public void addEventListener(KnowledgeBaseEventListener listener) {
// TODO Auto-generated method stub
}
public Collection<KnowledgeBaseEventListener> getKnowledgeBaseEventListeners() {
// TODO Auto-generated method stub
return null;
}
public void removeEventListener(KnowledgeBaseEventListener listener) {
// TODO Auto-generated method stub
}
public void removeFunction(String packageName, String ruleName) {
// TODO Auto-generated method stub
}
}