| /* |
| * 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.uima.flow; |
| |
| /** |
| * Represents the next destination or destinations to which a CAS should be routed. A |
| * <code>Step</code> is the output of the {@link Flow#next()} method. A Flow should output an |
| * instance of a concrete class that extends Step. Currently, these are: |
| * <ul> |
| * <li>{@link SimpleStep} - specifies a single AnalysisEngine to which the CAS should next be |
| * routed</li> |
| * <li>{@link ParallelStep} - specifies multiple AnalysisEngine to which the CAS should next be |
| * routed, where the relative order in which these Analysis Engines execute does not matter.</li> |
| * <li>{@link FinalStep} - indicates that there are no more destinations for this CAS.</li> |
| * </ul> |
| */ |
| public abstract class Step { |
| } |
