org.drools.runtime.rule.Evaluator Maven / Gradle / Ivy
/**
* 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.runtime.rule;
import java.io.Serializable;
/**
* A public interface to be implemented by all evaluators
*/
public interface Evaluator
extends
Serializable {
/**
* Returns the operator representation object for this evaluator
*
* @return
*/
public Operator getOperator();
/**
* Returns true if this evaluator implements a temporal evaluation,
* i.e., a time sensitive evaluation whose properties of matching
* only events within an specific time interval can be used for
* determining event expirations automatically.
*
* @return true if the evaluator is a temporal evaluator.
*/
public boolean isTemporal();
}