Package com.hazelcast.function
Class Functions
java.lang.Object
com.hazelcast.function.Functions
public final class Functions extends Object
Factory methods for several common functions.
- Since:
- 4.0
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Method Summary
Modifier and Type Method Description static <K> FunctionEx<Map.Entry<K,?>,K>
entryKey()
Returns a function that extracts the key of aMap.Entry
.static <V> FunctionEx<Map.Entry<?,V>,V>
entryValue()
Returns a function that extracts the value of aMap.Entry
.static <T> FunctionEx<T,T>
wholeItem()
Synonym forFunctionEx.identity()
, to be used as a projection function (e.g., key extractor).
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Method Details
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wholeItem
Synonym forFunctionEx.identity()
, to be used as a projection function (e.g., key extractor).- Type Parameters:
T
- the type of the input and output objects to the function
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entryKey
Returns a function that extracts the key of aMap.Entry
.- Type Parameters:
K
- type of entry's key
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entryValue
Returns a function that extracts the value of aMap.Entry
.- Type Parameters:
V
- type of entry's value
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