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- /* ====================================================================
- 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.AreaEval;
- import org.apache.poi.ss.formula.eval.RefEvalBase;
- import org.apache.poi.ss.formula.eval.ValueEval;
- import org.apache.poi.ss.formula.ptg.AreaI;
- import org.apache.poi.ss.formula.ptg.AreaI.OffsetArea;
- import org.apache.poi.ss.util.CellReference;
-
- /**
- * Provides Lazy Evaluation to a 3D Reference
- */
- public final class LazyRefEval extends RefEvalBase {
- private final SheetRangeEvaluator _evaluator;
-
- public LazyRefEval(int rowIndex, int columnIndex, SheetRangeEvaluator sre) {
- super(sre, rowIndex, columnIndex);
- _evaluator = sre;
- }
-
- public ValueEval getInnerValueEval(int sheetIndex) {
- return _evaluator.getEvalForCell(sheetIndex, getRow(), getColumn());
- }
-
- public AreaEval offset(int relFirstRowIx, int relLastRowIx, int relFirstColIx, int relLastColIx) {
-
- AreaI area = new OffsetArea(getRow(), getColumn(),
- relFirstRowIx, relLastRowIx, relFirstColIx, relLastColIx);
-
- return new LazyAreaEval(area, _evaluator);
- }
-
- public boolean isSubTotal() {
- SheetRefEvaluator sheetEvaluator = _evaluator.getSheetEvaluator(getFirstSheetIndex());
- return sheetEvaluator.isSubTotal(getRow(), getColumn());
- }
-
- public String toString() {
- CellReference cr = new CellReference(getRow(), getColumn());
- return getClass().getName() + "[" +
- _evaluator.getSheetNameRange() +
- '!' +
- cr.formatAsString() +
- "]";
- }
- }
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