| /* ==================================================================== |
| 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.poi.ss.formula; |
| |
| import org.apache.poi.ss.formula.eval.ValueEval; |
| |
| /** |
| * Tests should extend this class if they need to track the internal working of the {@link WorkbookEvaluator}.<br/> |
| * |
| * Default method implementations all do nothing |
| * |
| * @author Josh Micich |
| */ |
| public abstract class EvaluationListener implements IEvaluationListener { |
| @Override |
| public void onCacheHit(int sheetIndex, int rowIndex, int columnIndex, ValueEval result) { |
| // do nothing |
| } |
| @Override |
| public void onReadPlainValue(int sheetIndex, int rowIndex, int columnIndex, ICacheEntry entry) { |
| // do nothing |
| } |
| @Override |
| public void onStartEvaluate(EvaluationCell cell, ICacheEntry entry) { |
| // do nothing |
| } |
| @Override |
| public void onEndEvaluate(ICacheEntry entry, ValueEval result) { |
| // do nothing |
| } |
| @Override |
| public void onClearWholeCache() { |
| // do nothing |
| } |
| @Override |
| public void onClearCachedValue(ICacheEntry entry) { |
| // do nothing |
| } |
| @Override |
| public void onChangeFromBlankValue(int sheetIndex, int rowIndex, int columnIndex, |
| EvaluationCell cell, ICacheEntry entry) { |
| // do nothing |
| } |
| @Override |
| public void sortDependentCachedValues(ICacheEntry[] entries) { |
| // do nothing |
| } |
| @Override |
| public void onClearDependentCachedValue(ICacheEntry entry, int depth) { |
| // do nothing |
| } |
| } |