/* ====================================================================
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Licensed To the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for Additional information regarding copyright ownership.
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The ASF licenses this file To You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed To in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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namespace HH.WMS.Utils.NPOI.SS.Formula
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{
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using HH.WMS.Utils.NPOI.SS.Formula;
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using HH.WMS.Utils.NPOI.SS.Formula.Eval;
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/**
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* A (mostly) opaque interface To allow test clients To trace cache values
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* Each spreadsheet cell Gets one unique cache entry instance. These objects
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* are safe To use as keys in {@link java.util.HashMap}s
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*/
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public interface ICacheEntry
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{
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ValueEval GetValue();
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}
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/**
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* Tests can implement this class To track the internal working of the {@link WorkbookEvaluator}.<br/>
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*
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* For POI internal testing use only
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*
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* @author Josh Micich
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*/
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public interface IEvaluationListener
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{
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void OnCacheHit(int sheetIndex, int rowIndex, int columnIndex, ValueEval result);
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void OnReadPlainValue(int sheetIndex, int rowIndex, int columnIndex, ICacheEntry entry);
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void OnStartEvaluate(IEvaluationCell cell, ICacheEntry entry);
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void OnEndEvaluate(ICacheEntry entry, ValueEval result);
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void OnClearWholeCache();
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void OnClearCachedValue(ICacheEntry entry);
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/**
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* Internally, formula {@link ICacheEntry}s are stored in Sets which may Change ordering due
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* To seemingly trivial Changes. This method is provided To make the order of call-backs To
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* {@link #onClearDependentCachedValue(ICacheEntry, int)} more deterministic.
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*/
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void SortDependentCachedValues(ICacheEntry[] formulaCells);
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void OnClearDependentCachedValue(ICacheEntry formulaCell, int depth);
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void OnChangeFromBlankValue(int sheetIndex, int rowIndex, int columnIndex,IEvaluationCell cell, ICacheEntry entry);
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}
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}
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