/**
* 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.Map;
import org.drools.KnowledgeBase;
import org.drools.command.Command;
import org.drools.command.ExecuteCommand;
import org.drools.command.KnowledgeContextResolveFromContextCommand;
import org.drools.command.runtime.rule.FireAllRulesCommand;
import org.drools.grid.command.GetWorkItemManagerCommand;
import org.drools.grid.command.RegisterRemoteWorkItemHandlerCommand;
import org.drools.grid.command.StartProcessRemoteCommand;
import org.drools.event.process.ProcessEventListener;
import org.drools.event.rule.AgendaEventListener;
import org.drools.event.rule.WorkingMemoryEventListener;
import org.drools.runtime.Calendars;
import org.drools.runtime.Channel;
import org.drools.runtime.Environment;
import org.drools.runtime.ExecutionResults;
import org.drools.runtime.ExitPoint;
import org.drools.runtime.Globals;
import org.drools.runtime.ObjectFilter;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.process.ProcessInstance;
import org.drools.runtime.process.WorkItemManager;
import org.drools.runtime.rule.Agenda;
import org.drools.runtime.rule.AgendaFilter;
import org.drools.runtime.rule.FactHandle;
import org.drools.runtime.rule.LiveQuery;
import org.drools.runtime.rule.QueryResults;
import org.drools.runtime.rule.ViewChangedEventListener;
import org.drools.runtime.rule.WorkingMemoryEntryPoint;
import org.drools.grid.generic.GenericNodeConnector;
import org.drools.time.SessionClock;
import org.drools.grid.generic.Message;
import org.drools.grid.generic.MessageSession;
public class StatefulKnowledgeSessionRemoteClient
implements
StatefulKnowledgeSession {
private GenericNodeConnector client;
private MessageSession messageSession;
private String instanceId;
public StatefulKnowledgeSessionRemoteClient(String instanceId,
GenericNodeConnector client, MessageSession messageSession) {
this.instanceId = instanceId;
this.client = client;
this.messageSession = messageSession;
}
public String getInstanceId() {
return this.instanceId;
}
public void dispose() {
// TODO Auto-generated method stub
}
public int getId() {
// TODO Auto-generated method stub
return 0;
}
public int fireAllRules() {
String commandId = "ksession.fireAllRules" + messageSession.getNextId();
String kresultsId = "kresults_" + messageSession.getSessionId();
Message msg = new Message( messageSession.getSessionId(),
messageSession.counter.incrementAndGet(),
false,
new KnowledgeContextResolveFromContextCommand( new FireAllRulesCommand( commandId ),
null,
null,
instanceId,
kresultsId ) );
try {
Object object = client.write( msg ).getPayload();
if ( object == null ) {
throw new RuntimeException( "Response was not correctly received" );
}
return (Integer) ((ExecutionResults) object).getValue( commandId );
} catch ( Exception e ) {
throw new RuntimeException( "Unable to execute message",
e );
}
}
public int fireAllRules(int max) {
// TODO Auto-generated method stub
return 0;
}
public int fireAllRules(AgendaFilter agendaFilter) {
// TODO Auto-generated method stub
return 0;
}
public void fireUntilHalt() {
// TODO Auto-generated method stub
}
public void fireUntilHalt(AgendaFilter agendaFilter) {
// TODO Auto-generated method stub
}
public ExecutionResults execute(Command command) {
String commandId = "ksession.execute" + messageSession.getNextId();
String kresultsId = "kresults_" + messageSession.getSessionId();
Message msg = new Message( messageSession.getSessionId(),
messageSession.counter.incrementAndGet(),
false,
new KnowledgeContextResolveFromContextCommand( new ExecuteCommand( commandId,
command ),
null,
null,
instanceId,
kresultsId ) );
try {
Object object = client.write( msg ).getPayload();if ( object == null ) {
throw new RuntimeException( "Response was not correctly received" );
}
return (ExecutionResults) ((ExecutionResults) object).getValue( commandId );
} catch ( Exception e ) {
throw new RuntimeException( "Unable to execute message",
e );
}
}
public Environment getEnvironment() {
// TODO Auto-generated method stub
return null;
}
public Object getGlobal(String identifier) {
// TODO Auto-generated method stub
return null;
}
public Globals getGlobals() {
// TODO Auto-generated method stub
return null;
}
public KnowledgeBase getKnowledgeBase() {
// TODO Auto-generated method stub
return null;
}
public <T extends SessionClock> T getSessionClock() {
// TODO Auto-generated method stub
return null;
}
public void registerExitPoint(String name,
ExitPoint exitPoint) {
// TODO Auto-generated method stub
}
public void setGlobal(String identifier,
Object object) {
// TODO Auto-generated method stub
}
public void unregisterExitPoint(String name) {
// TODO Auto-generated method stub
}
public Agenda getAgenda() {
// TODO Auto-generated method stub
return null;
}
public QueryResults getQueryResults(String query) {
// TODO Auto-generated method stub
return null;
}
public QueryResults getQueryResults(String query,
Object[] arguments) {
// TODO Auto-generated method stub
return null;
}
public WorkingMemoryEntryPoint getWorkingMemoryEntryPoint(String name) {
// TODO Auto-generated method stub
return null;
}
public Collection< ? extends WorkingMemoryEntryPoint> getWorkingMemoryEntryPoints() {
// TODO Auto-generated method stub
return null;
}
public void halt() {
// TODO Auto-generated method stub
}
public FactHandle getFactHandle(Object object) {
// TODO Auto-generated method stub
return null;
}
public <T extends FactHandle> Collection<T> getFactHandles() {
// TODO Auto-generated method stub
return null;
}
public <T extends FactHandle> Collection<T> getFactHandles(ObjectFilter filter) {
// TODO Auto-generated method stub
return null;
}
public Object getObject(FactHandle factHandle) {
// TODO Auto-generated method stub
return null;
}
public Collection<Object> getObjects() {
// TODO Auto-generated method stub
return null;
}
public Collection<Object> getObjects(ObjectFilter filter) {
// TODO Auto-generated method stub
return null;
}
public FactHandle insert(Object object) {
// TODO Auto-generated method stub
return null;
}
public void retract(FactHandle handle) {
// TODO Auto-generated method stub
}
public void update(FactHandle handle,
Object object) {
// TODO Auto-generated method stub
}
public void abortProcessInstance(long id) {
// TODO Auto-generated method stub
}
public ProcessInstance getProcessInstance(long id) {
// TODO Auto-generated method stub
return null;
}
public Collection<ProcessInstance> getProcessInstances() {
// TODO Auto-generated method stub
return null;
}
public WorkItemManager getWorkItemManager() {
String kresultsId = "kresults_" + messageSession.getSessionId();
Message msg = new Message( messageSession.getSessionId(),
messageSession.counter.incrementAndGet(),
true,
new KnowledgeContextResolveFromContextCommand( new GetWorkItemManagerCommand(),
null,
null,
instanceId,
kresultsId ) );
try {
Object payload = client.write( msg ).getPayload();
WorkItemManager workItemManager = (WorkItemManager) ((ExecutionResults) payload).getValue( "workItemManager" );
((WorkItemManagerRemoteClient)workItemManager).setClient(client);
((WorkItemManagerRemoteClient)workItemManager).setMessageSession(messageSession);
((WorkItemManagerRemoteClient)workItemManager).setInstanceId(instanceId);
return workItemManager;
} catch ( Exception e ) {
throw new RuntimeException( "Unable to execute message", e );
}
}
public void registerWorkItemHandler(String name, String workItemHandler){
String kresultsId = "kresults_" + messageSession.getSessionId();
Message msg = new Message( messageSession.getSessionId(),
messageSession.counter.incrementAndGet(),
false,
new KnowledgeContextResolveFromContextCommand( new RegisterRemoteWorkItemHandlerCommand(name, workItemHandler ),
null,
null,
instanceId,
kresultsId ) );
try {
client.write( msg );
} catch ( Exception e ) {
throw new RuntimeException( "Unable to execute message",
e );
}
}
public void signalEvent(String type,
Object event) {
// TODO Auto-generated method stub
}
public ProcessInstance startProcess(String processId) {
String commandId = "ksession.execute" + messageSession.getNextId();
String kresultsId = "kresults_" + messageSession.getSessionId();
Message msg = new Message( messageSession.getSessionId(),
messageSession.counter.incrementAndGet(),
false,
new KnowledgeContextResolveFromContextCommand( new StartProcessRemoteCommand( processId ),
null,
null,
instanceId,
kresultsId ) );
try {
Object object = client.write( msg ).getPayload();
if ( object == null ) {
throw new RuntimeException( "Response was not correctly received" );
}
return (ProcessInstance) ((ExecutionResults) object).getValue( processId );
} catch ( Exception e ) {
throw new RuntimeException( "Unable to execute message",
e );
}
}
public ProcessInstance startProcess(String processId,
Map<String, Object> parameters) {
// TODO Auto-generated method stub
return null;
}
public void addEventListener(WorkingMemoryEventListener listener) {
// TODO Auto-generated method stub
}
public void addEventListener(AgendaEventListener listener) {
// TODO Auto-generated method stub
}
public Collection<AgendaEventListener> getAgendaEventListeners() {
// TODO Auto-generated method stub
return null;
}
public Collection<WorkingMemoryEventListener> getWorkingMemoryEventListeners() {
// TODO Auto-generated method stub
return null;
}
public void removeEventListener(WorkingMemoryEventListener listener) {
// TODO Auto-generated method stub
}
public void removeEventListener(AgendaEventListener listener) {
// TODO Auto-generated method stub
}
public void addEventListener(ProcessEventListener listener) {
// TODO Auto-generated method stub
}
public Collection<ProcessEventListener> getProcessEventListeners() {
// TODO Auto-generated method stub
return null;
}
public void removeEventListener(ProcessEventListener listener) {
// TODO Auto-generated method stub
}
public String getEntryPointId() {
// TODO Auto-generated method stub
return null;
}
public long getFactCount() {
// TODO Auto-generated method stub
return 0;
}
public void signalEvent(String type,
Object event,
long processInstanceId) {
// TODO Auto-generated method stub
}
public Calendars getCalendars() {
// TODO Auto-generated method stub
return null;
}
public LiveQuery openLiveQuery(String query,
Object[] arguments,
ViewChangedEventListener listener) {
// TODO Auto-generated method stub
return null;
}
public Map<String, Channel> getChannels() {
// TODO Auto-generated method stub
return null;
}
public void registerChannel(String name, Channel channel) {
// TODO Auto-generated method stub
}
public void unregisterChannel(String name) {
// TODO Auto-generated method stub
}
}