Uses of Interface
com.api.jsonata4java.expressions.functions.Function

Packages that use Function

Package	Description
com.api.jsonata4java.expressions
com.api.jsonata4java.expressions.functions
com.api.jsonata4java.expressions.utils

Uses of Function in com.api.jsonata4java.expressions

Methods in com.api.jsonata4java.expressions that return Function

Modifier and Type	Method and Description
Function	ExpressionsVisitor.getJsonataFunction(String fctName)
Function	FrameEnvironment.getJsonataFunction(String fctName)

Methods in com.api.jsonata4java.expressions with parameters of type Function

Modifier and Type	Method and Description
void	ExpressionsVisitor.setJsonataFunction(String fctName, Function fctValue)
void	FrameEnvironment.setJsonataFunction(String fctName, Function fctValue)

Uses of Function in com.api.jsonata4java.expressions.functions

Classes in com.api.jsonata4java.expressions.functions that implement Function

Modifier and Type	Class and Description
class	AbsFunction http://docs.jsonata.org/numeric-functions.html $abs(number) Returns the absolute value of the number parameter, i.e.
class	AppendFunction
class	AverageFunction Always returns as a DoubleNode (regardless of input)
class	Base64DecodeFunction From http://docs.jsonata.org/string-functions.html: $base64decode() Converts base 64 encoded bytes to a string, using a UTF-8 Unicode codepage.
class	Base64EncodeFunction From http://docs.jsonata.org/string-functions.html: $base64encode(str) Converts an ASCII string to a base 64 representation.
class	BooleanFunction From http://docs.jsonata.org/boolean-functions.html $boolean(arg) Casts the argument to a Boolean using the following rules: Boolean: unchanged string: empty false string: non-empty true number: 0 false number: non-zero true null: false array: empty false array: contains a member that casts to true true array: all members cast to false false object: empty false object: non-empty true function: (functions are not currently supported) false
class	CeilFunction http://docs.jsonata.org/numeric-functions.html $ceil(number) Returns the value of number rounded up to the nearest integer that is greater than or equal to number.
class	ContainsFunction From http://docs.jsonata.org/string-functions.html: $contains(str, pattern) Returns true if str is matched by pattern, otherwise it returns false.
class	CountFunction
class	DistinctFunction From https://docs.jsonata.org/array-functions#distinct $distinct(array) Returns an array containing all the values from the array parameter, but with any duplicates removed.
class	EachFunction From https://docs.jsonata.org/object-functions#each $each(object,function($value, $key) Returns an array containing the values return by the function when applied to each key/value pair in the object.
class	ErrorFunction From http://docs.jsonata.org/string-functions.html: $error(str) Throws an error with the string as its message.
class	EvalFunction From http://docs.jsonata.org/string-functions.html: Signature: $eval(expr [, context]) Parses and evaluates the string expr which contains literal JSON or a JSONata expression using the current context as the context for evaluation.
class	ExistsFunction
class	FilterFunction From http://docs.jsonata.org/higher-order-functions#filter Signature: $filter(array, function) Returns an array containing only the values in the array parameter that satisfy the function predicate (i.e.
class	FloorFunction http://docs.jsonata.org/numeric-functions.html $floor(number) Returns the value of number rounded down to the nearest integer that is smaller or equal to number.
class	FormatBaseFunction From http://docs.jsonata.org/string-functions.html: $formatBase(number [, radix]) Casts the number to a string and formats it to an integer represented in the number base specified by the radix argument.
class	FormatNumberFunction From http://docs.jsonata.org/string-functions.html: $formatNumber(number, picture [, options]) Casts the number to a string and formats it to a decimal representation as specified by the picture string.
class	FromMillisFunction From http://docs.jsonata.org/string-functions.html: $fromMillis(number) Convert a number representing milliseconds since the Unix Epoch (1 January, 1970 UTC) to a timestamp string in the ISO 8601 format.
class	IndexOfFunction
class	JoinFunction From http://docs.jsonata.org/string-functions.html: $join(array[, separator]) Joins an array of component strings into a single concatenated string with each component string separated by the optional separator parameter.
class	KeysFunction From http://docs.jsonata.org/object-functions.html $keys(object) Returns the keys in an array of Strings.
class	LengthFunction From http://docs.jsonata.org/string-functions.html: $length(str) Returns the number of characters in the string str.
class	LookupFunction From http://docs.jsonata.org/object-functions.html $lookup(object,key) Returns the value corresponding to the key in the supplied object.
class	LowercaseFunction From http://docs.jsonata.org/string-functions.html: $lowercase(str) Returns a string with all the characters of str converted to lowercase.
class	MapFunction From http://docs.jsonata.org/higher-order-functions#filter Signature: $map(array, function) Returns an array containing the results of applying the function parameter to each value in the array parameter.
class	MatchFunction From http://docs.jsonata.org/string-functions.html: $match(str, pattern [, limit]) Finds occurrences of pattern within str and reports them with their index and group.
class	MaxFunction From http://docs.jsonata.org/aggregation-functions.html $max(array) Returns the maximum number in an array of numbers.
class	MergeFunction From http://docs.jsonata.org/object-functions.html $merge(array
class	MillisFunction http://docs.jsonata.org/numeric-functions.html $millis() Returns the number of milliseconds since the Unix Epoch (1 January, 1970 UTC) as a number.
class	MinFunction From http://docs.jsonata.org/aggregation-functions.html $min(array) Returns the minimum number in an array of numbers.
class	NotFunction
class	NowFunction From http://docs.jsonata.org/string-functions.html: $now() Generates a UTC timestamp in ISO 8601 compatible format and returns it as a string.
class	NumberFunction http://docs.jsonata.org/numeric-functions.html Casts the arg parameter to a number using the following casting rules: - Numbers are unchanged - Strings that contain a sequence of characters that represent a legal JSON number are converted to that number - All other values cause an error to be thrown.
class	PadFunction From http://docs.jsonata.org/string-functions.html: $pad(str, width [, char]) Returns a copy of the string str with extra padding, if necessary, so that its total number of characters is at least the absolute value of the width parameter.
class	PowerFunction http://docs.jsonata.org/numeric-functions.html $power(base, exponent) Returns the value of base raised to the power of exponent (baseexponent).
class	RandomFunction http://docs.jsonata.org/numeric-functions.html $random() Returns a pseudo random number greater than or equal to zero and less than one (0 ≤ n < 1) Examples $random()==0.7973541067127 $random()==0.4029142127028 $random() == 0.6558078550072
class	ReduceFunction From http://docs.jsonata.org/higher-order-functions#reduce Signature: $reduce(array, function [, init]) Returns an aggregated value derived from applying the function parameter successively to each value in array in combination with the result of the previous application of the function.
class	ReplaceFunction From http://docs.jsonata.org/string-functions.html: $replace(str, pattern, replacement [, limit]) Finds occurrences of pattern within str and replaces them with replacement.
class	ReverseFunction
class	RoundFunction http://docs.jsonata.org/numeric-functions.html $round(number [, precision]) Returns the value of the number parameter rounded to the number of decimal places specified by the optional precision parameter.
class	ShuffleFunction
class	SiftFunction From http://docs.jsonata.org/object-functions.html $spread(object) Splits an object containing key/value pairs into an array of objects, each of which has a single key/value pair from the input object.
class	SortFunction
class	SplitFunction From http://docs.jsonata.org/string-functions.html: $split(str, separator [, limit]) Splits the str parameter into an array of substrings.
class	SpreadFunction From http://docs.jsonata.org/object-functions.html $spread(object) Splits an object containing key/value pairs into an array of objects, each of which has a single key/value pair from the input object.
class	SqrtFunction http://docs.jsonata.org/numeric-functions.html $sqrt(number) Returns the square root of the value of the number parameter.
class	StringFunction From http://docs.jsonata.org/string-functions.html: $string(arg) Casts the arg parameter to a string using the following casting rules Strings are unchanged Functions are converted to an empty string Numeric infinity and NaN throw an error because they cannot be represented as a JSON number All other values are converted to a JSON string using the JSON.stringify function If arg is not specified (i.e.
class	SubstringAfterFunction From http://docs.jsonata.org/string-functions.html: $substringAfter(str, chars) Returns the substring after the first occurrence of the character sequence chars in str.
class	SubstringBeforeFunction From http://docs.jsonata.org/string-functions.html: $substringBefore(str, chars) Returns the substring before the first occurrence of the character sequence chars in str.
class	SubstringFunction Complies with javascript substr (and thus JSONata $substring).
class	SumFunction
class	ToMillisFunction http://docs.jsonata.org/numeric-functions.html $toMillis(timestamp) Convert a timestamp string in the ISO 8601 format to the number of milliseconds since the Unix Epoch (1 January, 1970 UTC) as a number.
class	TrimFunction From http://docs.jsonata.org/string-functions.html: $trim(str) Normalizes and trims all whitespace characters in str by applying the following steps: * All tabs, carriage returns, and line feeds are replaced with spaces.
class	TypeFunction From http://docs.jsonata.org/string-functions.html: $trim(str) Normalizes and trims all whitespace characters in str by applying the following steps: * All tabs, carriage returns, and line feeds are replaced with spaces.
class	UnpackFunction
class	UppercaseFunction From http://docs.jsonata.org/string-functions.html: $uppercase(str) Returns a string with all the characters of str converted to uppercase.
class	URLDecodeComponentFunction From http://docs.jsonata.org/string-functions.html: $length(str) Returns the number of characters in the string str.
class	URLDecodeFunction From http://docs.jsonata.org/string-functions.html: $length(str) Returns the number of characters in the string str.
class	URLEncodeComponentFunction From http://docs.jsonata.org/string-functions.html: $length(str) Returns the number of characters in the string str.
class	URLEncodeFunction From http://docs.jsonata.org/string-functions.html: $length(str) Returns the number of characters in the string str.
class	ZipFunction

Uses of Function in com.api.jsonata4java.expressions.utils

Fields in com.api.jsonata4java.expressions.utils with type parameters of type Function

Modifier and Type	Field and Description
static Map<String,Function>	Constants.FUNCTIONS

Methods in com.api.jsonata4java.expressions.utils with parameters of type Function

Modifier and Type	Method and Description
static com.fasterxml.jackson.databind.JsonNode	FunctionUtils.processFctCallVariables(ExpressionsVisitor exprVisitor, Function function, org.antlr.v4.runtime.tree.TerminalNode varid, MappingExpressionParser.Function_callContext ctx, com.fasterxml.jackson.databind.JsonNode value, String key, com.fasterxml.jackson.databind.node.ObjectNode object) Creates an MappingExpressionParser.ExprListContext containing the parenthesized comma separated variable list of JsonNode elements, sets it in the supplied context (ctx) and then executes the function to return its result.
static com.fasterxml.jackson.databind.JsonNode	FunctionUtils.processVariablesCallFunction(ExpressionsVisitor exprVisitor, Function function, org.antlr.v4.runtime.tree.TerminalNode varid, MappingExpressionParser.Function_callContext ctx, com.fasterxml.jackson.databind.JsonNode... elements) Creates an MappingExpressionParser.ExprListContext containing the parenthesized comma separated variable list of JsonNode elements, sets it in the supplied context (ctx) and then executes the function to return its result.
static boolean	FunctionUtils.useContextVariable(Function fct, MappingExpressionParser.Function_callContext ctx, String signature) Determine if the function should use the context variable as its first parameter