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java.lang.Objectorg.apache.poi.ss.formula.functions.Fixed1ArgFunction
org.apache.poi.ss.formula.functions.LogicalFunction
public abstract class LogicalFunction
Implementation of the various ISxxx Logical Functions, which take a single expression argument, and return True or False.
Field Summary | |
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static Function |
ISBLANK
|
static Function |
ISERR
Implementation of Excel ISERR() function. Syntax: ISERR(value) value The value to be tested Returns the logical value TRUE if value refers to any error value except '#N/A'; otherwise, it returns FALSE. |
static Function |
ISERROR
|
static Function |
ISLOGICAL
|
static Function |
ISNA
Implementation for Excel ISNA() function. Syntax: ISNA(value) value The value to be tested Returns TRUE if the specified value is '#N/A', FALSE otherwise. |
static Function |
ISNONTEXT
|
static Function |
ISNUMBER
|
static Function |
ISREF
|
static Function |
ISTEXT
|
Constructor Summary | |
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LogicalFunction()
|
Method Summary | |
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ValueEval |
evaluate(int srcRowIndex,
int srcColumnIndex,
ValueEval arg0)
see Function.evaluate(ValueEval[], int, int) |
protected abstract boolean |
evaluate(ValueEval arg)
|
Methods inherited from class org.apache.poi.ss.formula.functions.Fixed1ArgFunction |
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evaluate |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final Function ISLOGICAL
public static final Function ISNONTEXT
public static final Function ISNUMBER
public static final Function ISTEXT
public static final Function ISBLANK
public static final Function ISERROR
public static final Function ISERR
public static final Function ISNA
public static final Function ISREF
Constructor Detail |
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public LogicalFunction()
Method Detail |
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public ValueEval evaluate(int srcRowIndex, int srcColumnIndex, ValueEval arg0)
Function1Arg
Function.evaluate(ValueEval[], int, int)
protected abstract boolean evaluate(ValueEval arg)
arg
- any ValueEval
, potentially BlankEval
or ErrorEval
.
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