| /* ==================================================================== |
| 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 java.util.HashMap; |
| import java.util.Map; |
| |
| final class PlainCellCache { |
| |
| public static final class Loc { |
| |
| private final long _bookSheetColumn; |
| |
| private final int _rowIndex; |
| |
| public Loc(int bookIndex, int sheetIndex, int rowIndex, int columnIndex) { |
| _bookSheetColumn = toBookSheetColumn(bookIndex, sheetIndex, columnIndex); |
| _rowIndex = rowIndex; |
| } |
| |
| public static long toBookSheetColumn(int bookIndex, int sheetIndex, int columnIndex) { |
| return ((bookIndex & 0xFFFFl) << 48) + |
| ((sheetIndex & 0xFFFFl) << 32) + |
| ((columnIndex & 0xFFFFl) << 0); |
| } |
| |
| public Loc(long bookSheetColumn, int rowIndex) { |
| _bookSheetColumn = bookSheetColumn; |
| _rowIndex = rowIndex; |
| } |
| |
| @Override |
| public int hashCode() { |
| return (int)(_bookSheetColumn ^ (_bookSheetColumn >>> 32)) + 17 * _rowIndex; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof Loc)) { |
| return false; |
| } |
| Loc other = (Loc) obj; |
| return _bookSheetColumn == other._bookSheetColumn && _rowIndex == other._rowIndex; |
| } |
| |
| public int getRowIndex() { |
| return _rowIndex; |
| } |
| |
| public int getColumnIndex() { |
| return (int)(_bookSheetColumn & 0x000FFFF); |
| } |
| |
| public int getSheetIndex() { |
| return (int)((_bookSheetColumn >> 32) & 0xFFFF); |
| } |
| |
| public int getBookIndex() { |
| return (int)((_bookSheetColumn >> 48) & 0xFFFF); |
| } |
| } |
| |
| private Map<Loc, PlainValueCellCacheEntry> _plainValueEntriesByLoc; |
| |
| public PlainCellCache() { |
| _plainValueEntriesByLoc = new HashMap<Loc, PlainValueCellCacheEntry>(); |
| } |
| public void put(Loc key, PlainValueCellCacheEntry cce) { |
| _plainValueEntriesByLoc.put(key, cce); |
| } |
| public void clear() { |
| _plainValueEntriesByLoc.clear(); |
| } |
| public PlainValueCellCacheEntry get(Loc key) { |
| return _plainValueEntriesByLoc.get(key); |
| } |
| public void remove(Loc key) { |
| _plainValueEntriesByLoc.remove(key); |
| } |
| } |