| /* |
| * 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.commons.text.diff; |
| |
| import java.util.List; |
| |
| /** |
| * This interface is devoted to handle synchronized replacement sequences. |
| * |
| * @param <T> object type |
| * @see ReplacementsFinder |
| * @since 1.0 |
| */ |
| public interface ReplacementsHandler<T> { |
| |
| /** |
| * Handle two synchronized sequences. |
| * <p> |
| * This method is called by a {@link ReplacementsFinder ReplacementsFinder} |
| * instance when it has synchronized two sub-sequences of object arrays |
| * being compared, and at least one of the sequences is non-empty. Since the |
| * sequences are synchronized, the objects before the two sub-sequences are |
| * equals (if they exist). This property also holds for the objects after |
| * the two sub-sequences. |
| * <p> |
| * The replacement is defined as replacing the <code>from</code> |
| * sub-sequence into the <code>to</code> sub-sequence. |
| * |
| * @param skipped number of tokens skipped since the last call (i.e. number of |
| * tokens that were in both sequences), this number should be strictly positive |
| * except on the very first call where it can be zero (if the first object of |
| * the two sequences are different) |
| * @param from sub-sequence of objects coming from the first sequence |
| * @param to sub-sequence of objects coming from the second sequence |
| */ |
| void handleReplacement(int skipped, List<T> from, List<T> to); |
| |
| } |