L1Cache (data-cache 8.4.5 API)

java.lang.Object
- org.molgenis.data.cache.l1.L1Cache

All Implemented Interfaces:

TransactionListener
```
@Component
public class L1Cache
extends Object
implements TransactionListener
```
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.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`doCleanupAfterCompletion(String transactionId)`
`Optional<CacheHit<Entity>>`	`get(EntityType entityType, Object entityId)`
`Optional<CacheHit<Entity>>`	`get(EntityType entityType, Object entityId, Fetch fetch)`	Retrieves an entity from the L1 cache based on a combination of entity name and entity id.
`void`	`put(Entity entity)`	Puts an entity into the L1 cache, if the cache exists for the current thread.
`void`	`transactionStarted(String transactionId)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.molgenis.data.transaction.TransactionListener
afterCommitTransaction, commitTransaction, rollbackTransaction

- Method Detail
  - transactionStarted
```
public void transactionStarted(String transactionId)
```
    Specified by:
    
    transactionStarted in interface TransactionListener
  - doCleanupAfterCompletion
```
public void doCleanupAfterCompletion(String transactionId)
```
    Specified by:
    
    doCleanupAfterCompletion in interface TransactionListener
  - get
```
public Optional<CacheHit<Entity>> get(EntityType entityType,
                                      Object entityId)
```
  - get
```
public Optional<CacheHit<Entity>> get(EntityType entityType,
                                      Object entityId,
                                      @Nullable @CheckForNull
                                      Fetch fetch)
```
    Retrieves an entity from the L1 cache based on a combination of entity name and entity id.
    
    Parameters:
    
    entityType - entity type
    
    entityId - id value of the entity to retrieve
    
    fetch - containing attributes to retrieve, can be null
    
    Returns:
    
    an Optional of which the CacheHit contains an Entity or is empty if deletion of this entity is stored in the cache, or Optional.empty() if there's no information available about this entity in the cache
  - put
```
public void put(Entity entity)
```
    Puts an entity into the L1 cache, if the cache exists for the current thread.