Module iu.util

Package edu.iu

Interface IuDataStore

All Known Implementing Classes:

InMemorySessionStore

public interface IuDataStore

Backing data storage interface for use in implementing data management resources.

Method Summary

Modifier and Type	Method	Description
byte[]	get(byte[] key)	Get the binary value representation from Redis stored for the given key.
Iterable<?>	list()	Returns a listing of all entries in the data store (without contents).
void	put(byte[] key, byte[] data)	Puts or deletes data represented by a given key.
void	put(byte[] key, byte[] value, Duration ttl)	Write the given key/value pair to Redis and set the expiration time if defined.

Method Details

list

Iterable<?> list()

Returns a listing of all entries in the data store (without contents).

Returns:

data entry listing

get

byte[] get(byte[] key)

Get the binary value representation from Redis stored for the given key.

Parameters:

key - must not be null.

Returns:

null if key does not exist.

put

void put(byte[] key,
 byte[] data)

Puts or deletes data represented by a given key.

Parameters:

key - data key

data - data to assign to the key, replaces existing data. May be null to delete existing data.

put

void put(byte[] key,
 byte[] value,
 Duration ttl)

Write the given key/value pair to Redis and set the expiration time if defined.

Parameters:

key - key for the cache entry. Must not be null.

value - value stored for the key. Must not be null.

ttl - optional expiration time. Can be null.