/**
* 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.rule;
import java.util.List;
import java.util.Map;
/**
* FactType declarations are fact definitions (like classes) that
* are managed alongside the rules.
* You then communicate with the rulebase/knowledge base by using instances created by this.
* There are utility set and get methods on this, as well as in the FieldAccessors.
*
* The Object that is used is a javabean (which was generated by the rules). You can also use reflection on it as normal.
*
* @author etirelli
*/
public interface FactType
extends
java.io.Externalizable {
public String getName();
public List<FactField> getFields();
public FactField getField(String name);
public Class< ? > getFactClass();
/**
* Create a new fact based on the declared fact type.
* This object will normally be a javabean.
*/
public Object newInstance() throws InstantiationException,
IllegalAccessException;
/**
* Set the value of the field on a dynamic fact.
*/
public void set(Object bean, String field, Object value);
/**
* get the value of the specified field on the dynamic fact.
*/
public Object get(Object bean, String field);
/**
* Get a map of the fields and their values for the bean.
*/
public Map<String, Object> getAsMap(Object bean);
/**
* Set the values of the bean from a map.
*/
public void setFromMap(Object bean, Map<String, Object> values);
}