55 lines
1.9 KiB
Java
55 lines
1.9 KiB
Java
/* ====================================================================
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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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package org.apache.poi.hssf.record.formula;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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/**
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* Common superclass of all value operators.
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* Subclasses include all unary and binary operators except for the reference operators (IntersectionPtg, RangePtg, UnionPtg)
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*
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* @author Josh Micich
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*/
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public abstract class ValueOperatorPtg extends OperationPtg {
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/**
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* All Operator <tt>Ptg</tt>s are base tokens (i.e. are not RVA classified)
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*/
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public final boolean isBaseToken() {
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return true;
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}
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public final byte getDefaultOperandClass() {
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return Ptg.CLASS_VALUE;
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}
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public final void writeBytes(byte[] array, int offset) {
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array[offset + 0] = getSid();
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}
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protected abstract byte getSid();
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public final int getSize() {
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return 1;
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}
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public final String toFormulaString() {
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// TODO - prune this method out of the hierarchy
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throw new RuntimeException("toFormulaString(String[] operands) should be used for subclasses of OperationPtgs");
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}
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}
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