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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.hssf.record.formula.AreaI;
import org.apache.poi.hssf.record.formula.Ref3DPtg;
import org.apache.poi.hssf.record.formula.RefPtg;
import org.apache.poi.hssf.record.formula.AreaI.OffsetArea;
import org.apache.poi.hssf.record.formula.eval.AreaEval;
import org.apache.poi.hssf.record.formula.eval.RefEvalBase;
import org.apache.poi.hssf.record.formula.eval.ValueEval;
import org.apache.poi.hssf.util.CellReference;
/**
*
* @author Josh Micich
*/
final class LazyRefEval extends RefEvalBase {
private final SheetRefEvaluator _evaluator;
public LazyRefEval(int rowIndex, int columnIndex, SheetRefEvaluator sre) {
super(rowIndex, columnIndex);
if (sre == null) {
throw new IllegalArgumentException("sre must not be null");
}
_evaluator = sre;
}
public LazyRefEval(RefPtg ptg, SheetRefEvaluator sre) {
this(ptg.getRow(), ptg.getColumn(), sre);
}
public LazyRefEval(Ref3DPtg ptg, SheetRefEvaluator sre) {
this(ptg.getRow(), ptg.getColumn(), sre);
}
public ValueEval getInnerValueEval() {
return _evaluator.getEvalForCell(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 String toString() {
CellReference cr = new CellReference(getRow(), getColumn());
StringBuffer sb = new StringBuffer();
sb.append(getClass().getName()).append("[");
sb.append(_evaluator.getSheetName());
sb.append('!');
sb.append(cr.formatAsString());
sb.append("]");
return sb.toString();
}
}
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