org.drools.runtime.process.NodeInstanceContainer 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.runtime.process;
import java.util.Collection;
/**
* A node instance container is a container that can contain
* (zero or more) node instances.
*/
public interface NodeInstanceContainer {
/**
* Returns all node instances that are currently active
* within this container.
*
* @return the list of node instances currently active
*/
Collection getNodeInstances();
/**
* Returns the node instance with the given id, or null
* if the node instance cannot be found.
*
* @param nodeInstanceId
* @return the node instance with the given id
*/
NodeInstance getNodeInstance(long nodeInstanceId);
}