org.apache.drill.exec.store.sys.store.provider

Class InMemoryStoreProvider

java.lang.Object

org.apache.drill.exec.store.sys.store.provider.InMemoryStoreProvider

All Implemented Interfaces:

AutoCloseable, PersistentStoreProvider

public class InMemoryStoreProvider
extends Object
implements PersistentStoreProvider

Constructor Summary

Constructors

Constructor and Description
InMemoryStoreProvider(int capacity)

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
<V> PersistentStore<V>	getOrCreateStore(PersistentStoreConfig<V> config) Gets or creates a persistent store for the given configuration.
void	start() Sets up the provider.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InMemoryStoreProvider

public InMemoryStoreProvider(int capacity)

Method Detail

close

public void close()
           throws Exception

Specified by:

close in interface AutoCloseable

Throws:

Exception

getOrCreateStore

public <V> PersistentStore<V> getOrCreateStore(PersistentStoreConfig<V> config)
                                    throws StoreException

Description copied from interface: PersistentStoreProvider

Gets or creates a persistent store for the given configuration. Note that implementors have liberty to cache previous store instances.

Specified by:

getOrCreateStore in interface PersistentStoreProvider

Type Parameters:

V - store value type

Parameters:

config - store configuration

Throws:

StoreException

start

public void start()
           throws Exception

Description copied from interface: PersistentStoreProvider

Sets up the provider.

Specified by:

start in interface PersistentStoreProvider

Throws:

Exception