Package org.apache.flink.table.connector.source.lookup

Interface FullCachingLookupProvider

All Superinterfaces:

LookupFunctionProvider, LookupTableSource.LookupRuntimeProvider

@PublicEvolving
public interface FullCachingLookupProvider
extends LookupFunctionProvider

A LookupFunctionProvider that never lookup in external system on cache miss and provides a cache for holding all entries in the external system. The cache will be fully reloaded from the external system by the ScanTableSource.ScanRuntimeProvider and reload operations will be triggered by the CacheReloadTrigger.

Method Summary

Modifier and Type	Method	Description
CacheReloadTrigger	getCacheReloadTrigger()	Get a CacheReloadTrigger for triggering the reload operation.
ScanTableSource.ScanRuntimeProvider	getScanRuntimeProvider()	Get a ScanTableSource.ScanRuntimeProvider for scanning all entries from the external lookup table and load into the cache.
static FullCachingLookupProvider	of(ScanTableSource.ScanRuntimeProvider scanRuntimeProvider, CacheReloadTrigger cacheReloadTrigger)	Build a FullCachingLookupProvider from the specified ScanTableSource.ScanRuntimeProvider and CacheReloadTrigger.

Methods inherited from interface org.apache.flink.table.connector.source.lookup.LookupFunctionProvider

createLookupFunction

Method Details

of

static FullCachingLookupProvider of(ScanTableSource.ScanRuntimeProvider scanRuntimeProvider,
 CacheReloadTrigger cacheReloadTrigger)

Build a FullCachingLookupProvider from the specified ScanTableSource.ScanRuntimeProvider and CacheReloadTrigger.

getScanRuntimeProvider

ScanTableSource.ScanRuntimeProvider getScanRuntimeProvider()

Get a ScanTableSource.ScanRuntimeProvider for scanning all entries from the external lookup table and load into the cache.

getCacheReloadTrigger

CacheReloadTrigger getCacheReloadTrigger()

Get a CacheReloadTrigger for triggering the reload operation.