com.igormaznitsa.jcp.expression.functions

Class FunctionROUND

java.lang.Object

com.igormaznitsa.jcp.expression.functions.AbstractFunction

com.igormaznitsa.jcp.expression.functions.FunctionROUND

All Implemented Interfaces:

ExpressionItem

public final class FunctionROUND
extends AbstractFunction

The class implements the round function handler

Field Summary

Fields

Modifier and Type	Field and Description
private static ValueType[][]	SIGNATURES

Fields inherited from class com.igormaznitsa.jcp.expression.functions.AbstractFunction

ALL_FUNCTIONS, EXECUTION_PREFIX, UID_COUNTER

Constructor Summary

Constructors

Constructor and Description
FunctionROUND()

Method Summary

Modifier and Type	Method and Description
Value	executeFloat(PreprocessorContext context, Value value)
Value	executeInt(PreprocessorContext context, Value value)
ValueType[][]	getAllowedArgumentTypes() Get arrays of supported argument types
int	getArity() Get the function arity
java.lang.String	getName() Get the function name
java.lang.String	getReference() Get the function reference to be output for a help request
ValueType	getResultType() Get the result type

Methods inherited from class com.igormaznitsa.jcp.expression.functions.AbstractFunction

findForClass, findForName, getExpressionItemPriority, getExpressionItemType, toString

Methods inherited from class java.lang.Object

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

Field Detail

SIGNATURES

private static final ValueType[][] SIGNATURES

Constructor Detail

FunctionROUND

public FunctionROUND()

Method Detail

getName

public java.lang.String getName()

Description copied from class: AbstractFunction

Get the function name

Specified by:

getName in class AbstractFunction

Returns:

the function name in lower case, must not be null

executeInt

public Value executeInt(PreprocessorContext context,
                        Value value)

executeFloat

public Value executeFloat(PreprocessorContext context,
                          Value value)

getArity

public int getArity()

Description copied from class: AbstractFunction

Get the function arity

Specified by:

getArity in class AbstractFunction

Returns:

the function arity (zero or greater)

getAllowedArgumentTypes

public ValueType[][] getAllowedArgumentTypes()

Description copied from class: AbstractFunction

Get arrays of supported argument types

Specified by:

getAllowedArgumentTypes in class AbstractFunction

Returns:

the array of argument type combinations allowed by the function handler, must not be null

getReference

public java.lang.String getReference()

Description copied from class: AbstractFunction

Get the function reference to be output for a help request

Specified by:

getReference in class AbstractFunction

Returns:

the function information as a String, must not be null

getResultType

public ValueType getResultType()

Description copied from class: AbstractFunction

Get the result type

Specified by:

getResultType in class AbstractFunction

Returns:

the result type of the function, must not be null