MutableKeyValueStore

public interface MutableKeyValueStore
implements KeyValueStore

android.adservices.ondevicepersonalization.MutableKeyValueStore

An interface to a read-write key-value store. Used as a Data Access Object for the LOCAL_DATA table.

Summary

Public methods

abstract byte[] put(String key, byte[] value)

Associates the specified value with the specified key.

abstract byte[] remove(String key)

Removes the mapping for the specified key.

Inherited methods

Public methods

put

public abstract byte[] put (String key, 
                byte[] value)

Associates the specified value with the specified key. If a value already exists for that key, the old value is replaced.
This method may take several seconds to complete, so it should only be called from a worker thread.

Parameters
key String: key with which the specified value is to be associated This value cannot be null.
value byte: value to be associated with the specified key This value cannot be null.
Returns
byte[] the previous value associated with key, or null if there was no mapping for key.

remove

public abstract byte[] remove (String key)

Removes the mapping for the specified key.
This method may take several seconds to complete, so it should only be called from a worker thread.

Parameters
key String: key whose mapping is to be removed This value cannot be null.
Returns
byte[] the previous value associated with key, or null if there was no mapping for key.