org.drools.runtime.process.WorkflowProcessInstance 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;
/**
* A workflow process instance represents one specific instance of a
* workflow process that is currently executing. It is an extension
* of a ProcessInstance and contains all runtime state
* related to the execution of workflow processes.
*
* @see org.drools.runtime.process.ProcessInstance
*/
public interface WorkflowProcessInstance
extends
ProcessInstance,
NodeInstanceContainer {
/**
* Returns the value of the variable with the given name. Note
* that only variables in the process-level scope will be searched.
* Returns null if the value of the variable is null
* or if the variable cannot be found.
*
* @param name the name of the variable
* @return the value of the variable, or null if it cannot be found
*/
Object getVariable(String name);
}