Provider.ComputeIfAbsent(Object, IFunction) Method

Reference

Definition

Namespace:: Java.Security

Assembly:: Mono.Android.dll

Important

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If the specified key is not already associated with a value (or is mapped to null), attempts to compute its value using the given mapping function and enters it into this map unless null.

[Android.Runtime.Register("computeIfAbsent", "(Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;", "GetComputeIfAbsent_Ljava_lang_Object_Ljava_util_function_Function_Handler", ApiSince=26)]
public virtual Java.Lang.Object? ComputeIfAbsent (Java.Lang.Object? key, Java.Util.Functions.IFunction? mappingFunction);

[<Android.Runtime.Register("computeIfAbsent", "(Ljava/lang/Object;Ljava/util/function/Function;)Ljava/lang/Object;", "GetComputeIfAbsent_Ljava_lang_Object_Ljava_util_function_Function_Handler", ApiSince=26)>]
abstract member ComputeIfAbsent : Java.Lang.Object * Java.Util.Functions.IFunction -> Java.Lang.Object
override this.ComputeIfAbsent : Java.Lang.Object * Java.Util.Functions.IFunction -> Java.Lang.Object

Parameters

key: Object

mappingFunction: IFunction

Returns

Object

Attributes: RegisterAttribute

Remarks

If the specified key is not already associated with a value (or is mapped to null), attempts to compute its value using the given mapping function and enters it into this map unless null.

If a security manager is enabled, its checkSecurityAccess method is called with the strings "putProviderProperty."+name and "removeProviderProperty."+name, where name is the provider name, to see if it's ok to set this provider's property values and remove this provider's properties.

Added in 1.8.

Java documentation for java.security.Provider.computeIfAbsent(java.lang.Object, java.util.function.Function<? super java.lang.Object, ? extends java.lang.Object>).

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

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