org.apache.poi.ss.formula.ptg

Class UnaryMinusPtg

java.lang.Object

org.apache.poi.ss.formula.ptg.Ptg

org.apache.poi.ss.formula.ptg.OperationPtg

org.apache.poi.ss.formula.ptg.ValueOperatorPtg

org.apache.poi.ss.formula.ptg.UnaryMinusPtg

All Implemented Interfaces:

Duplicatable, GenericRecord

public final class UnaryMinusPtg
extends ValueOperatorPtg

Unary Plus operator - does not have any effect on the operand (一元加号运算符 - 对操作数没有任何影响)

Field Summary

Fields

Modifier and Type	Field and Description
static UnaryMinusPtg	instance
static byte	sid

Fields inherited from class org.apache.poi.ss.formula.ptg.OperationPtg

TYPE_BINARY, TYPE_FUNCTION, TYPE_UNARY

Fields inherited from class org.apache.poi.ss.formula.ptg.Ptg

CLASS_ARRAY, CLASS_REF, CLASS_VALUE, EMPTY_PTG_ARRAY

Method Summary

Modifier and Type	Method and Description
UnaryMinusPtg	copy()
int	getNumberOfOperands() The number of operands expected by the operations (操作预期的操作数数量)
byte	getSid()
java.lang.String	toFormulaString(java.lang.String[] operands) implementation of method from OperationsPtg (OperationsPtg 方法的实现)

Methods inherited from class org.apache.poi.ss.formula.ptg.ValueOperatorPtg

getDefaultOperandClass, getSize, isBaseToken, toFormulaString, write

Methods inherited from class org.apache.poi.ss.formula.ptg.OperationPtg

getGenericProperties

Methods inherited from class org.apache.poi.ss.formula.ptg.Ptg

createPtg, doesFormulaReferToDeletedCell, getEncodedSize, getEncodedSizeWithoutArrayData, getPtgClass, getRVAType, readTokens, serializePtgs, setClass, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.poi.common.usermodel.GenericRecord

getGenericChildren, getGenericRecordType

Field Detail

sid

public static final byte sid

See Also:

Constant Field Values

instance

public static final UnaryMinusPtg instance

Method Detail

getSid

public byte getSid()

Specified by:

getSid in class Ptg (类 Ptg 中的 getSid)

Returns:

structure id of the parsed thing, or -1 if the record has no sid (已解析事物的结构 id，如果记录没有 sid，则为 -1)

getNumberOfOperands

public int getNumberOfOperands()

Description copied from class: OperationPtg

The number of operands expected by the operations (操作预期的操作数数量)

Specified by:

getNumberOfOperands in class OperationPtg (类 OperationPtg 中的 getNumberOfOperands)

toFormulaString

public java.lang.String toFormulaString(java.lang.String[] operands)

implementation of method from OperationsPtg (OperationsPtg 方法的实现)

Specified by:

toFormulaString in class OperationPtg (OperationPtg 类中的 toFormulaString)

See Also:

OperationPtg.getNumberOfOperands()

copy

public UnaryMinusPtg copy()

Specified by:

copy in interface Duplicatable (复制到界面 Duplicatable)

Specified by:

copy in class Ptg (在 Ptg 类中复制)

Returns:

a deep copy of the implementing class / instance (实现类/实例的深层副本)