org.drools.conf.ConsequenceExceptionHandlerOption Maven / Gradle / Ivy
/**
* 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.conf;
import org.drools.runtime.rule.ConsequenceExceptionHandler;
/**
* A class for the consequence exception handler configuration configuration.
*
* @author etirelli
*/
public class ConsequenceExceptionHandlerOption implements SingleValueKnowledgeBaseOption {
private static final long serialVersionUID = 510l;
/**
* The property name for consequence exception handler configuration
*/
public static final String PROPERTY_NAME = "drools.consequenceExceptionHandler";
/**
* the consequence exception handler class instance
*/
private final Class extends ConsequenceExceptionHandler> handler;
/**
* Private constructor to enforce the use of the factory method
*/
private ConsequenceExceptionHandlerOption( final Class extends ConsequenceExceptionHandler> handler ) {
this.handler = handler;
}
/**
* This is a factory method for this ConsequenceExceptionHandler configuration.
* The factory method is a best practice for the case where the
* actual object construction is changed in the future.
*
* @param handler the actual consequence exception handler class to be used
*
* @return the actual type safe consequence exception handler configuration.
*/
public static ConsequenceExceptionHandlerOption get( final Class extends ConsequenceExceptionHandler> handler ) {
return new ConsequenceExceptionHandlerOption( handler );
}
/**
* {@inheritDoc}
*/
public String getPropertyName() {
return PROPERTY_NAME;
}
/**
* Returns the consequence exception handler instance
* @return
*/
public Class extends ConsequenceExceptionHandler> getHandler() {
return handler;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((handler == null) ? 0 : handler.getClass().getName().hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if ( this == obj ) return true;
if ( obj == null ) return false;
if ( getClass() != obj.getClass() ) return false;
ConsequenceExceptionHandlerOption other = (ConsequenceExceptionHandlerOption) obj;
if ( handler == null ) {
if ( other.handler != null ) return false;
} else if( other.handler == null ) {
return false;
} else if ( !handler.getClass().getName().equals( other.handler.getClass().getName() ) ) return false;
return true;
}
}