Package io.deephaven.util.datastructures

Class SoftCachingFunction<INPUT_TYPE,OUTPUT_TYPE>

java.lang.Object

io.deephaven.util.datastructures.SoftCachingFunction<INPUT_TYPE,OUTPUT_TYPE>

Type Parameters:

OUTPUT_TYPE - the type of results supplied by this function

All Implemented Interfaces:

Function<INPUT_TYPE,OUTPUT_TYPE>

public final class SoftCachingFunction<INPUT_TYPE,OUTPUT_TYPE>
extends Object
implements Function<INPUT_TYPE,OUTPUT_TYPE>

Function wrapper that caches the result in a SoftReference. Only suitable to wrap functions that are safely repeatable and don't return null.

Constructor Summary

Constructors

Constructor	Description
SoftCachingFunction(@NotNull Function<INPUT_TYPE,OUTPUT_TYPE> internalFunction)	Construct a Function wrapper.

Method Summary

Modifier and Type	Method	Description
OUTPUT_TYPE	apply(INPUT_TYPE arg)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Function

andThen, compose

Constructor Details

SoftCachingFunction

public SoftCachingFunction(@NotNull
 @NotNull Function<INPUT_TYPE,OUTPUT_TYPE> internalFunction)

Construct a Function wrapper.

Parameters:

internalFunction - The Function to wrap. Must be safely repeatable and must not return null.

Method Details

apply

public OUTPUT_TYPE apply(INPUT_TYPE arg)

Specified by:

apply in interface Function<INPUT_TYPE,OUTPUT_TYPE>