| /* |
| * 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.cas.admin; |
| |
| import org.apache.uima.cas.CASException; |
| |
| /** |
| * Defines a pre-order on types. This pre-order is later embedded in a total order an can be used in |
| * index comparators. |
| * |
| * |
| */ |
| public interface LinearTypeOrderBuilder { |
| |
| /** |
| * Add pairs types[i] < types[i+1], for each i < (types.length-1), to the partial sort |
| * order. This method can be called as often as desired. It will throw an exception if the pairs |
| * could not be successfully added to the relation. A pair can not be added if the resulting |
| * relation is no longer a partial order. If you need to know exactly which pair fails, always |
| * call add() with a two-element array. |
| * |
| * @param types |
| * @exception CASException |
| * When adding pairs would make order inconsistent. |
| */ |
| void add(String[] types) throws CASException; |
| |
| /** |
| * Return a total order of the type names added earlier that is consistent with the pre-order |
| * defined through calls to add(). |
| * |
| * @return An array of Strings in ascending order. |
| */ |
| LinearTypeOrder getOrder() throws CASException; |
| |
| } |