/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.oodt.cas.workflow.structs;

//OODT imports
import org.apache.oodt.cas.metadata.Metadata;
import org.apache.oodt.cas.workflow.structs.exceptions.WorkflowTaskInstanceException;

/**
 * @author mattmann
 * @version $Revsion$
 * 
 * <p>The part of a WorkflowTask that is responsible
 * for actually doing the work.</p>
 */
public interface WorkflowTaskInstance {

    /**
     * <p>
     * Runs the Task with the specified metadata context.
     * </p>
     * 
     * @param metadata
     *            The TaskContext of metadata that is shared between the tasks.
     *            
     * @param config The static configuration metadata for this task.
     */
    public void run(Metadata metadata, WorkflowTaskConfiguration config) throws WorkflowTaskInstanceException;
}