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Comparator.ComparingLong(IToLongFunction) Method

Definition

Caution

Use 'Java.Util.IComparator.ComparingLong'. This class will be removed in a future release.

Accepts a function that extracts a long sort key from a type T, and returns a Comparator<T> that compares by that sort key.

[Android.Runtime.Register("comparingLong", "(Ljava/util/function/ToLongFunction;)Ljava/util/Comparator;", "", ApiSince=24)]
[Java.Interop.JavaTypeParameters(new System.String[] { "T" })]
[System.Obsolete("Use 'Java.Util.IComparator.ComparingLong'. This class will be removed in a future release.")]
public static Java.Util.IComparator? ComparingLong (Java.Util.Functions.IToLongFunction? keyExtractor);
[<Android.Runtime.Register("comparingLong", "(Ljava/util/function/ToLongFunction;)Ljava/util/Comparator;", "", ApiSince=24)>]
[<Java.Interop.JavaTypeParameters(new System.String[] { "T" })>]
[<System.Obsolete("Use 'Java.Util.IComparator.ComparingLong'. This class will be removed in a future release.")>]
static member ComparingLong : Java.Util.Functions.IToLongFunction -> Java.Util.IComparator

Parameters

keyExtractor
IToLongFunction

the function used to extract the long sort key

Returns

a comparator that compares by an extracted key

Attributes

Remarks

Accepts a function that extracts a long sort key from a type T, and returns a Comparator<T> that compares by that sort key.

The returned comparator is serializable if the specified function is also serializable.

Added in 1.8.

Java documentation for java.util.Comparator.comparingLong(java.util.function.ToLongFunction<? super T>).

Portions of this page are modifications based on work created and shared by the Android Open Source Project and used according to terms described in the Creative Commons 2.5 Attribution License.

Applies to