Package com.linkedin.venice.meta

Interface ReadOnlyStoreRepository

All Superinterfaces:

VeniceResource

All Known Subinterfaces:

ReadWriteStoreRepository, SubscriptionBasedReadOnlyStoreRepository

All Known Implementing Classes:

CachedReadOnlyStoreRepository, HelixReadOnlyStoreRepository, HelixReadOnlyStoreRepositoryAdapter, HelixReadOnlyZKSharedSystemStoreRepository, HelixReadWriteStoreRepository, HelixReadWriteStoreRepositoryAdapter, NativeMetadataRepository, SharedHelixReadOnlyZKSharedSystemStoreRepository, SubscriptionBasedStoreRepository, ThinClientMetaStoreBasedRepository

public interface ReadOnlyStoreRepository
extends VeniceResource

Interface defined readonly operations to access stores.

Method Summary

Modifier and Type	Method	Description
java.util.List<Store>	getAllStores()	Get all stores in the current repository
int	getBatchGetLimit(java.lang.String storeName)	Get batch-get limit for the specified store
Store	getStore(java.lang.String storeName)	Get one store by given name from repository.
Store	getStoreOrThrow(java.lang.String storeName)
long	getTotalStoreReadQuota()	Get total read quota of all stores.
boolean	hasStore(java.lang.String storeName)	Whether the store exists or not.
boolean	isReadComputationEnabled(java.lang.String storeName)	Whether computation is enabled for the specified store.
Store	refreshOneStore(java.lang.String storeName)	Selective refresh operation which fetches one store from ZK
void	registerStoreDataChangedListener(StoreDataChangedListener listener)	Register store data change listener.
void	unregisterStoreDataChangedListener(StoreDataChangedListener listener)	Unregister store data change listener.
default Pair<Store,Version>	waitVersion(java.lang.String storeName, int versionNumber, java.time.Duration timeout)	Wait for a specified store/version to appear in the Store Repository and retrieve them.
default Pair<Store,Version>	waitVersion(java.lang.String storeName, int versionNumber, java.time.Duration timeout, long delayMs)

Methods inherited from interface com.linkedin.venice.VeniceResource

clear, refresh

Method Detail

getStore

Store getStore(java.lang.String storeName)

Get one store by given name from repository.

Parameters:

storeName - name of wanted store.

Returns:

Store for given name.

getStoreOrThrow

Store getStoreOrThrow(java.lang.String storeName)
               throws VeniceNoStoreException

Throws:

VeniceNoStoreException

waitVersion

default Pair<Store,Version> waitVersion(java.lang.String storeName,
                                              int versionNumber,
                                              java.time.Duration timeout)

Wait for a specified store/version to appear in the Store Repository and retrieve them.

Parameters:

storeName - Store name to wait for.

versionNumber - Version number to wait for.

timeout - Maximum wait time allowed before giving up.

Returns:

(store, version) pair on success. (store, null) if store exists, but version still isn't after waiting for allowed time. (null, null) if store still doesn't exit after waiting for allowed time.

waitVersion

default Pair<Store,Version> waitVersion(java.lang.String storeName,
                                              int versionNumber,
                                              java.time.Duration timeout,
                                              long delayMs)

hasStore

boolean hasStore(java.lang.String storeName)

Whether the store exists or not.

Parameters:

storeName - store name

Returns:

refreshOneStore

Store refreshOneStore(java.lang.String storeName)

Selective refresh operation which fetches one store from ZK

Parameters:

storeName - store name

Returns:

the newly refreshed store

getAllStores

java.util.List<Store> getAllStores()

Get all stores in the current repository

Returns:

getTotalStoreReadQuota

long getTotalStoreReadQuota()

Get total read quota of all stores.

registerStoreDataChangedListener

void registerStoreDataChangedListener(StoreDataChangedListener listener)

Register store data change listener.

Parameters:

listener -

unregisterStoreDataChangedListener

void unregisterStoreDataChangedListener(StoreDataChangedListener listener)

Unregister store data change listener.

Parameters:

listener -

getBatchGetLimit

int getBatchGetLimit(java.lang.String storeName)

Get batch-get limit for the specified store

Parameters:

storeName -

Returns:

isReadComputationEnabled

boolean isReadComputationEnabled(java.lang.String storeName)

Whether computation is enabled for the specified store.

Parameters:

storeName - store name

Returns: