/*
* Copyright 2011 Red Hat, Inc. and/or its affiliates.
*
* 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.benchmark.benchmarks;
import org.drools.benchmark.*;
import org.drools.benchmark.model.manners.*;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.runtime.StatefulKnowledgeSession;
import java.io.*;
import java.util.*;
public class MannersBenchmark extends AbstractBenchmark {
private StatefulKnowledgeSession ksession;
@Override
public void init(BenchmarkDefinition definition) {
KnowledgeBase kbase = createKnowledgeBase(createKnowledgeBuilder("manners.drl"));
ksession = kbase.newStatefulKnowledgeSession();
InputStream is = getClass().getClassLoader().getResourceAsStream("manners128.dat");
List list = getInputObjects( is );
for ( Iterator it = list.iterator(); it.hasNext(); ) {
Object object = it.next();
ksession.insert( object );
}
ksession.insert( new Count( 1 ) );
}
public void execute(int repNr) {
ksession.fireAllRules();
}
@Override
public void terminate() {
ksession.dispose(); // Stateful rule session must always be disposed when finished
}
/**
* Convert the facts from the <code>InputStream</code> to a list of
* objects.
*/
private List<Object> getInputObjects(InputStream inputStream) {
List<Object> list = new ArrayList<Object>();
try {
BufferedReader br = new BufferedReader( new InputStreamReader( inputStream ) );
String line;
while ( (line = br.readLine()) != null ) {
if ( line.trim().length() == 0 || line.trim().startsWith( ";" ) ) {
continue;
}
StringTokenizer st = new StringTokenizer( line,
"() " );
String type = st.nextToken();
if ( "guest".equals( type ) ) {
if ( !"name".equals( st.nextToken() ) ) {
throw new IOException( "expected 'name' in: " + line );
}
String name = st.nextToken();
if ( !"sex".equals( st.nextToken() ) ) {
throw new IOException( "expected 'sex' in: " + line );
}
String sex = st.nextToken();
if ( !"hobby".equals( st.nextToken() ) ) {
throw new IOException( "expected 'hobby' in: " + line );
}
String hobby = st.nextToken();
Guest guest = new Guest( name,
Sex.resolve( sex ),
Hobby.resolve( hobby ) );
list.add( guest );
}
if ( "last_seat".equals( type ) ) {
if ( !"seat".equals( st.nextToken() ) ) {
throw new IOException( "expected 'seat' in: " + line );
}
list.add( new LastSeat( new Integer( st.nextToken() ).intValue() ) );
}
if ( "context".equals( type ) ) {
if ( !"state".equals( st.nextToken() ) ) {
throw new IOException( "expected 'state' in: " + line );
}
list.add( new Context( st.nextToken() ) );
}
}
inputStream.close();
} catch (IOException e) {
throw new IllegalArgumentException("Could not read inputstream properly.", e);
}
return list;
}
}