/**
* Copyright 2005 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;
import java.util.UUID;
/**
* This is a utility to create rule bases based on the type of engine you wish to use.
*
*/
public class RuleBaseFactory {
private static final RuleBaseFactory INSTANCE = new RuleBaseFactory();
private RuleBaseFactory() {
}
public static RuleBaseFactory getInstance() {
return RuleBaseFactory.INSTANCE;
}
/** Create a new default rule base (RETEOO type engine) */
public static RuleBase newRuleBase() {
return RuleBaseFactory.newRuleBase( RuleBase.RETEOO,
null );
}
public static RuleBase newRuleBase( final String rulebaseId ) {
return RuleBaseFactory.newRuleBase( rulebaseId,
RuleBase.RETEOO,
null );
}
public static RuleBase newRuleBase(final RuleBaseConfiguration config) {
return RuleBaseFactory.newRuleBase( RuleBase.RETEOO,
config );
}
public static RuleBase newRuleBase(final String rulebaseId,
final RuleBaseConfiguration config) {
return RuleBaseFactory.newRuleBase( rulebaseId,
RuleBase.RETEOO,
config );
}
public static RuleBase newRuleBase(final String rulebaseId,
final int type) {
return RuleBaseFactory.newRuleBase( rulebaseId,
type,
null );
}
public static RuleBase newRuleBase(final int type) {
return RuleBaseFactory.newRuleBase( type,
null );
}
/** Create a new RuleBase of the appropriate type */
public static RuleBase newRuleBase(final int type,
final RuleBaseConfiguration config) {
return RuleBaseFactory.newRuleBase( UUID.randomUUID().toString(),
type,
config );
}
/** Create a new RuleBase of the appropriate type */
public static RuleBase newRuleBase(final String rulebaseId,
final int type,
final RuleBaseConfiguration config) {
switch ( type ) {
case RuleBase.RETEOO :
return new org.drools.reteoo.ReteooRuleBase( rulebaseId,
config );
default :
throw new IllegalArgumentException( "Unknown engine type: " + type );
}
}
}