Package uk.gov.gchq.koryphe.impl.function

Class Summary

Class	Description
ApplyBiFunction<T,U,R>	A KorypheFunction2 that applies a given BiFunction (or BinaryOperator).
Base64Decode	A Base64Decode is a Function that takes a Base 64 encoded byte[] and decodes it into a byte[].
CallMethod	A CallMethod is a Function that takes a method name and then invokes it.
Cast<I,O>	A Cast is a Function that takes an input class and casts it to an output class.
Concat	A Concat is a Function that takes in two objects and calls toString on them and concatenates them together.
CreateObject	A CreateObject is a Function that takes an optional Object and creates an new instance of a class.
CsvLinesToMaps
CsvToMaps
CurrentDate	A CurrentDate is a Function that returns the current Date.
CurrentTime	A CurrentTime is a Function that returns the current time in milliseconds.
DefaultIfEmpty	A DefaultIfEmpty is a Function which supplies a default value if an input is empty.
DefaultIfNull	A DefaultIfNull is a Function which supplies a default value if the input is null.
DeserialiseJson<T>
DeserialiseXml
DictionaryLookup<K,V>	A DictionaryLookup is a KorypheFunction that takes a key and using a dictionary returns a value.
Divide	A Divide is a Function that takes in two Integers and returns the result of dividing the first by the second.
DivideBy	A DivideBy is a Function that takes in an Integer and returns the result of dividing this integer by a pre-configured value.
ExtractKeys<K,V>	An ExtractKeys is a KorypheFunction which extracts the Set of keys of a provided input Map
ExtractValue<K,V>	An ExtractValue is a Function that retrieves the value from a given Map, for the corresponding pre-configured key.
ExtractValues<K,V>	An ExtractValues is a KorypheFunction which extracts the Set of values of a provided input Map
FirstItem<T>	A FirstItem is a KorypheFunction that returns the first item from a provided Iterable of items of type T
FirstValid<I_ITEM>	A FirstValid is a Function that returns the first item from a provided input Iterable which matches the provided Predicate
FunctionChain<I,O>	A composite Function that applies the given functions consecutively, returning the final output.
FunctionChain.Builder<I,O>
Gunzip	A Gunzip is a Function that takes a byte[] of gzipped data and decompresses it.
Identity	An Identity is a Function which takes a single object as an input, and simply returns that object.
If<I,O>	An If is a Function that conditionally applies one of two functions to a provided input.
Increment	A Increment is a Function that takes a number and adds a given number to it.
IsEmpty	A IsEmpty is a KorypheFunction which returns a boolean based on whether or not the input Iterable is empty.
IterableConcat<I_ITEM>	An IterableConcat is a KorypheFunction which flattens an Iterable of Iterables by concatenating them.
IterableFilter<I_ITEM>	A IterableFilter is a Function that filters items from an Iterable based on a Predicate.
IterableFlatten<I_ITEM>	A IterableFlatten is a Function that takes items from an Iterable and combines them into a single result based on a provided BinaryOperator
IterableFunction<I_ITEM,O_ITEM>	An IterableFunction is a KorypheFunction which lazily applies a supplied Function, or List of Functions to each object in the input Iterable, returning an output Iterable.
IterableFunction.Builder<I_ITEM>
IterableFunction.OutputBuilder<I_ITEM,O_ITEM>
IterableLongest	An IterableLongest is a Function which evaluates the length of each item in the input Iterable and returns the longest item.
LastItem<T>	A LastItem is a KorypheFunction that returns the last item from a provided Iterable of items of type T
Length	A Length is a KorypheFunction that returns the length for a provided object.
Longest<T>	A Longest is a Function which takes two inputs and returns the longest of the two.
MapFilter<K,V>	A MapFilter is a Function that filters items from a Map based on a Predicate.
MapToTuple<K>
Multiply	A Multiply is a Function that takes in two Integers and returns the result of multiplying the first by the second.
MultiplyBy	A MultiplyBy is a Function that takes in an Integer and returns the result of multiplying this integer by a pre-configured value.
MultiplyLongBy	A MultiplyLongBy is a Function that takes in an Long and returns the result of multiplying this long by a pre-configured value.
NthItem<T>	A NthItem is a KorypheFunction that returns an item based on user selection, from an Iterable of items of type T
ParseDate	Parses a date string and returns the Date.
ParseTime	Parses a date string and returns the timestamp as a Long.
ReverseString	A ReverseString is a Function that takes a String and reverses the order of the characters.
SetValue	A SetValue is a Function that takes an input object and returns a set value.
Size	A Size is a KorypheFunction which returns the size of a provided Iterable.
StringAppend	A StringAppend is a Function which takes a input String and returns the same string, appended with a suffix.
StringJoin<I_ITEM>	A StringJoin is a Function which joins together all items in the provided Iterable into a single output string, separated by a supplied delimiter.
StringPrepend	A StringPrepend is a Function which takes a input String and returns the same string, prepended with a prefix.
StringRegexReplace	A StringRegexReplace is a Function which takes an input string and applies the provided regular expression to find matching substrings to replace.
StringRegexSplit	A StringRegexSplit is a Function which splits an input string based on the provided regular expression.
StringReplace	A StringReplace is a Function which searches an input String for all occurrences of a search string, and replaces those matches with an alternative string.
StringSplit	A StringSplit is a Function which splits a String based on a supplied delimiter.
StringTrim	A StringTrim is a Function which takes a String and removes all leading and trailing whitespace characters.
StringTruncate	A StringTruncate is a Function which truncates an input String to a specified length, optionally appending ellipsis characters to denote that the string was truncated.
ToArray	A ToArray is a Function that takes an Object and converts it to a array.
ToBytes	A ToBytes is a Function that takes in a string and extracts the bytes using the provided charset.
ToDateString	A ToDateString is a Function that converts a Date into a String using the provided format.
ToInteger	A ToInteger is a Function that takes an Object and casts it to an Integer.
ToList	A ToList is a Function that takes an Object and converts it to a list.
ToLong	A ToLong is a Function that takes an Object and casts it to a Long.
ToLowerCase	A ToLowerCase is a Function that takes an Object and performs toLowerCase on it.
ToNull	A toNull is a Function that takes an Object and returns null.
ToSet	A ToSet is a Function that takes an Object and converts it to a set.
ToString	A ToString is a Function that takes in an object (null or otherwise), and calls toString on it.
ToTuple	A ToTuple is a Function that takes an object and converts it into a Tuple for follow on processing.
ToUpperCase	A ToUpperCase is a Function that takes an Object and performs toUpperCase on it.