package org.drools.services;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.rmi.RemoteException;
import junit.framework.Assert;
import org.apache.mina.transport.socket.SocketAcceptor;
import org.apache.mina.transport.socket.nio.NioSocketAcceptor;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactoryService;
import org.drools.SystemEventListenerFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactoryService;
import org.drools.builder.ResourceType;
import org.drools.grid.ConnectorException;
import org.drools.grid.ExecutionNode;
import org.drools.grid.internal.GenericMessageHandlerImpl;
import org.drools.grid.internal.NodeData;
import org.drools.grid.remote.mina.MinaAcceptor;
import org.drools.grid.remote.mina.MinaIoHandler;
import org.drools.grid.services.ExecutionEnvironment;
import org.drools.grid.services.GridTopology;
import org.drools.grid.services.configuration.ExecutionEnvironmentConfiguration;
import org.drools.grid.services.configuration.GridTopologyConfiguration;
import org.drools.grid.services.configuration.MinaProvider;
import org.drools.grid.services.factory.GridTopologyFactory;
import org.drools.grid.services.strategies.RandomEnvironmentSelectionStrategy;
import org.drools.io.ResourceFactory;
import org.drools.runtime.StatefulKnowledgeSession;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* @author: salaboy
*/
public class BasicAPITestWithMina {
private MinaAcceptor server1;
private MinaAcceptor server2;
private GridTopology grid;
@Before
public void setUp() throws IOException {
System.out.println( "Server 1 Starting!" );
// the servers should be started in a different machine (jvm or physical) or in another thread
SocketAddress address = new InetSocketAddress( "127.0.0.1",
9123 );
NodeData nodeData = new NodeData();
// setup Server
SocketAcceptor acceptor = new NioSocketAcceptor();
acceptor.setHandler( new MinaIoHandler( SystemEventListenerFactory.getSystemEventListener(),
new GenericMessageHandlerImpl( nodeData,
SystemEventListenerFactory.getSystemEventListener() ) ) );
this.server1 = new MinaAcceptor( acceptor,
address );
this.server1.start();
System.out.println( "Server 1 Started! at = " + address.toString() );
System.out.println( "Server 2 Starting!" );
// the servers should be started in a different machine (jvm or physical) or in another thread
address = new InetSocketAddress( "127.0.0.1",
9124 );
nodeData = new NodeData();
// setup Server
acceptor = new NioSocketAcceptor();
acceptor.setHandler( new MinaIoHandler( SystemEventListenerFactory.getSystemEventListener(),
new GenericMessageHandlerImpl( nodeData,
SystemEventListenerFactory.getSystemEventListener() ) ) );
this.server2 = new MinaAcceptor( acceptor,
address );
this.server2.start();
System.out.println( "Server 2 Started! at = " + address.toString() );
}
@After
public void stop() throws ConnectorException,
RemoteException {
this.grid.dispose();
Assert.assertEquals( 0,
this.server1.getCurrentSessions() );
this.server1.stop();
System.out.println( "Server 1 Stopped!" );
Assert.assertEquals( 0,
this.server2.getCurrentSessions() );
this.server2.stop();
System.out.println( "Server 2 Stopped!" );
}
@Test
public void singleMinaProvider() throws ConnectorException,
RemoteException,
RemoteException,
RemoteException,
RemoteException {
GridTopologyConfiguration gridTopologyConfiguration = new GridTopologyConfiguration( "MyTopology" );
gridTopologyConfiguration.addExecutionEnvironment(
new ExecutionEnvironmentConfiguration( "MyMinaExecutionEnv1",
new MinaProvider( "127.0.0.1",
9123 ) ) );
this.grid = GridTopologyFactory.build( gridTopologyConfiguration );
Assert.assertNotNull( this.grid );
//Then we can get the registered Execution Environments by Name
ExecutionEnvironment ee = this.grid.getExecutionEnvironment( "MyMinaExecutionEnv1" );
Assert.assertNotNull( ee );
// Give me an ExecutionNode in the selected environment
// For the Mina we have just one Execution Node per server instance
ExecutionNode node = ee.getExecutionNode();
Assert.assertNotNull( node );
// Do a basic Runtime Test that register a ksession and fire some rules.
String str = "";
str += "package org.drools \n";
str += "global java.util.List list \n";
str += "rule rule1 \n";
str += " dialect \"java\" \n";
str += "when \n";
str += "then \n";
str += " System.out.println( \"hello1!!!\" ); \n";
str += "end \n";
str += "rule rule2 \n";
str += " dialect \"java\" \n";
str += "when \n";
str += "then \n";
str += " System.out.println( \"hello2!!!\" ); \n";
str += "end \n";
KnowledgeBuilder kbuilder =
node.get( KnowledgeBuilderFactoryService.class ).newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ),
ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
System.out.println( "Errors: " + kbuilder.getErrors() );
}
KnowledgeBase kbase =
node.get( KnowledgeBaseFactoryService.class ).newKnowledgeBase();
Assert.assertNotNull( kbase );
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Assert.assertNotNull( ksession );
int fired = ksession.fireAllRules();
Assert.assertEquals( 2,
fired );
}
@Test
public void multiMinaProvider() throws ConnectorException {
GridTopologyConfiguration gridTopologyConfiguration = new GridTopologyConfiguration( "MyTopology" );
gridTopologyConfiguration.addExecutionEnvironment(
new ExecutionEnvironmentConfiguration( "MyMinaExecutionEnv1",
new MinaProvider( "127.0.0.1",
9123 ) ) );
gridTopologyConfiguration.addExecutionEnvironment(
new ExecutionEnvironmentConfiguration( "MyMinaExecutionEnv2",
new MinaProvider( "127.0.0.1",
9124 ) ) );
this.grid = GridTopologyFactory.build( gridTopologyConfiguration );
Assert.assertNotNull( this.grid );
//Then we can get the registered Execution Environments by Name
ExecutionEnvironment ee = this.grid.getBestExecutionEnvironment( new RandomEnvironmentSelectionStrategy() );
Assert.assertNotNull( ee );
System.out.println( "Selected Environment = " + ee.getName() );
// Give me an ExecutionNode in the selected environment
// For the Mina we have just one Execution Node per server instance
ExecutionNode node = ee.getExecutionNode();
Assert.assertNotNull( node );
// Do a basic Runtime Test that register a ksession and fire some rules.
String str = "";
str += "package org.drools \n";
str += "global java.util.List list \n";
str += "rule rule1 \n";
str += " dialect \"java\" \n";
str += "when \n";
str += "then \n";
str += " System.out.println( \"hello1!!!\" ); \n";
str += "end \n";
str += "rule rule2 \n";
str += " dialect \"java\" \n";
str += "when \n";
str += "then \n";
str += " System.out.println( \"hello2!!!\" ); \n";
str += "end \n";
KnowledgeBuilder kbuilder =
node.get( KnowledgeBuilderFactoryService.class ).newKnowledgeBuilder();
kbuilder.add( ResourceFactory.newByteArrayResource( str.getBytes() ),
ResourceType.DRL );
if ( kbuilder.hasErrors() ) {
System.out.println( "Errors: " + kbuilder.getErrors() );
}
KnowledgeBase kbase =
node.get( KnowledgeBaseFactoryService.class ).newKnowledgeBase();
Assert.assertNotNull( kbase );
kbase.addKnowledgePackages( kbuilder.getKnowledgePackages() );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
Assert.assertNotNull( ksession );
int fired = ksession.fireAllRules();
Assert.assertEquals( 2,
fired );
}
}