Package com.api.jsonata4java.expressions.functions

Class FunctionBase

java.lang.Object

com.api.jsonata4java.expressions.functions.FunctionBase

Direct Known Subclasses:

AbsFunction, AppendFunction, AverageFunction, Base64DecodeFunction, Base64EncodeFunction, BooleanFunction, CeilFunction, ContainsFunction, CountFunction, DistinctFunction, EachFunction, ErrorFunction, EvalFunction, ExistsFunction, FilterFunction, FloorFunction, FormatBaseFunction, FormatNumberFunction, FromMillisFunction, IndexOfFunction, JoinFunction, KeysFunction, LengthFunction, LookupFunction, LowercaseFunction, MapFunction, MatchFunction, MaxFunction, MergeFunction, MillisFunction, MinFunction, NotFunction, NowFunction, NumberFunction, PadFunction, PowerFunction, RandomFunction, ReduceFunction, ReplaceFunction, ReverseFunction, RoundFunction, ShuffleFunction, SiftFunction, SortFunction, SplitFunction, SpreadFunction, SqrtFunction, StringFunction, SubstringAfterFunction, SubstringBeforeFunction, SubstringFunction, SumFunction, ToMillisFunction, TrimFunction, TypeFunction, UnpackFunction, UppercaseFunction, URLDecodeComponentFunction, URLDecodeFunction, URLEncodeComponentFunction, URLEncodeFunction, ZipFunction

public abstract class FunctionBase
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected class	FunctionBase.CtxEvalResult

Constructor Summary

Constructors

Constructor	Description
FunctionBase()

Method Summary

Modifier and Type	Method	Description
protected FunctionBase.CtxEvalResult	evalContext(ExpressionsVisitor expressionVisitor, MappingExpressionParser.Function_callContext ctx)
static int	getArgumentCount(MappingExpressionParser.Function_callContext ctx)	The getArgumentCount method counts the number of expressions in the expression list.
String	getFunctionName(MappingExpressionParser.Function_callContext ctx)	The getFunctionName method retrieves the name of the function from the context
abstract int	getMaxArgs()
abstract int	getMinArgs()
abstract String	getSignature()
abstract com.fasterxml.jackson.databind.JsonNode	invoke(ExpressionsVisitor expressionVisitor, MappingExpressionParser.Function_callContext ctx)

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionBase

public FunctionBase()

Method Detail

getMaxArgs

public abstract int getMaxArgs()

getMinArgs

public abstract int getMinArgs()

getSignature

public abstract String getSignature()

invoke

public abstract com.fasterxml.jackson.databind.JsonNode invoke(ExpressionsVisitor expressionVisitor,
                                                               MappingExpressionParser.Function_callContext ctx)

evalContext

protected FunctionBase.CtxEvalResult evalContext(ExpressionsVisitor expressionVisitor,
                                                 MappingExpressionParser.Function_callContext ctx)

getFunctionName

public String getFunctionName(MappingExpressionParser.Function_callContext ctx)

The getFunctionName method retrieves the name of the function from the context

Parameters:

ctx - The Function_callContext for the function.

Returns:

String The name of the function.

getArgumentCount

public static int getArgumentCount(MappingExpressionParser.Function_callContext ctx)

The getArgumentCount method counts the number of expressions in the expression list.

Parameters:

ctx - The Function_callContext for the function.

Returns:

int The number of arguments for the function