org.molgenis.data.cache.l1

Class L1Cache

java.lang.Object

org.molgenis.data.transaction.DefaultMolgenisTransactionListener

org.molgenis.data.cache.l1.L1Cache

All Implemented Interfaces:

TransactionListener

@Component
public class L1Cache
extends DefaultMolgenisTransactionListener

Caches entities within a transaction to speed up queries within those transactions. Each transaction has its own cache. When the transaction is committed the cache is removed.

Constructor Summary

Constructors

Constructor and Description
L1Cache(TransactionManager transactionManager, EntityHydration entityHydration)

Method Summary

Modifier and Type	Method and Description
void	doCleanupAfterCompletion(String transactionId)
void	evict(Stream<EntityKey> entityKeys)
void	evictAll(EntityType entityType)
Optional<Entity>	get(String entityTypeId, Object id, EntityType entityType) Retrieves an entity from the L1 cache based on a combination of entity name and entity id.
void	put(String entityTypeId, Entity entity) Puts an entity into the L1 cache, if the cache exists for the current thread.
void	putDeletion(EntityKey entityKey)
void	transactionStarted(String transactionId)

Methods inherited from class org.molgenis.data.transaction.DefaultMolgenisTransactionListener

afterCommitTransaction, commitTransaction, rollbackTransaction

Methods inherited from class java.lang.Object

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

Constructor Detail

L1Cache

public L1Cache(TransactionManager transactionManager,
               EntityHydration entityHydration)

Method Detail

transactionStarted

public void transactionStarted(String transactionId)

Specified by:

transactionStarted in interface TransactionListener

Overrides:

transactionStarted in class DefaultMolgenisTransactionListener

doCleanupAfterCompletion

public void doCleanupAfterCompletion(String transactionId)

Specified by:

doCleanupAfterCompletion in interface TransactionListener

Overrides:

doCleanupAfterCompletion in class DefaultMolgenisTransactionListener

putDeletion

public void putDeletion(EntityKey entityKey)

evictAll

public void evictAll(EntityType entityType)

evict

public void evict(Stream<EntityKey> entityKeys)

get

public Optional<Entity> get(String entityTypeId,
                            Object id,
                            EntityType entityType)

Retrieves an entity from the L1 cache based on a combination of entity name and entity id.

Parameters:

entityTypeId - name of the entity to retrieve

id - id value of the entity to retrieve

Returns:

the retrieved Entity or Optional.empty() if deletion of this entity is stored in the cache or null if no information available about this entity in the cache

put

public void put(String entityTypeId,
                Entity entity)

Puts an entity into the L1 cache, if the cache exists for the current thread.

Parameters:

entityTypeId - name of the entity to put into the cache

entity - the entity to put into the cache