| /* |
| * 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.analysis_engine.metadata; |
| |
| /** |
| * A <code>FixedFlow</code> is a simple type of {@link FlowConstraints} that specifies the complete |
| * flow as a fixed sequence. |
| * <p> |
| * Each element in the sequence is specified as a String identifier. The <code>FixedFlow</code> |
| * object does not assign any particular meaning to these Strings - it is the user of the |
| * <code>FixedFlow</code> object that must understand how to map them to AnalysisEngines themselves. |
| * |
| * |
| */ |
| public interface FixedFlow extends FlowConstraints { |
| |
| /** |
| * The type identifier for this class of <code>FlowConstraints</code>. This is the return value of |
| * {@link #getFlowConstraintsType()}. |
| */ |
| String FLOW_CONSTRAINTS_TYPE = "FIXED"; |
| |
| /** |
| * Gets the type of this <code>FlowConstraints</code> object. Each sub-interface of |
| * <code>FlowConstraints</code> has its own standard type identifier String. These identifier |
| * Strings are used instead of Java class names in order to ease portability of metadata to other |
| * languages. |
| * |
| * @return {@link #FLOW_CONSTRAINTS_TYPE} |
| */ |
| @Override |
| String getFlowConstraintsType(); |
| |
| /** |
| * Returns the flow as an array. Each element of the array is a String that identifies the |
| * AnalysisEngine to invoke at that position in the flow. |
| * |
| * @return an array of AE identifiers. |
| */ |
| String[] getFixedFlow(); |
| |
| /** |
| * Sets the fixed flow. |
| * |
| * @param aFlow |
| * an array of Strings, each of which identifies the AnalysisEngine to invoke at that |
| * position in the flow. |
| * |
| * @throws org.apache.uima.UIMA_UnsupportedOperationException |
| * if this <code>MetaDataObject</code> is not modifiable. |
| */ |
| void setFixedFlow(String... aFlow); |
| } |