LDPersistence Struct Reference

#include <builder.h>

Public Attributes
SetFn	Set
RemoveFn	Remove
ReadFn	Read
FreeFn	FreeRead
void *	UserData

Detailed Description

Defines a persistence interface suitable for use with SDK configuration.

Member Data Documentation

FreeRead

FreeFn LDPersistence::FreeRead

The SDK will call this function after it has finished with the read_value from Read.

Read

ReadFn LDPersistence::Read

Attempt to read a value from the store.

Parameters

	storage_namespace	The namespace of the data.
	key	The key of the data.
[out]	read_value	Out buffer containing the read string data. Should be set to null if no data was read.

Returns

The number of characters read. Should be 0 if no data was read.

Remove

RemoveFn LDPersistence::Remove

Remove a value from the store. If the value cannot be removed, then the function should complete normally.

Parameters

storage_namespace	The namespace of the data.
key	The key of the data.

Set

SetFn LDPersistence::Set

Add or update a value in the store. If the value cannot be set, then the function should complete normally.

Parameters

storage_namespace	The namespace for the data.
key	The key for the data.
value	The data to add or update.

UserData

void* LDPersistence::UserData

UserData is forwarded into all method calls in this struct.

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The documentation for this struct was generated from the following file:

• include/launchdarkly/client_side/bindings/c/config/builder.h