Package io.jmix.data.impl

Class EntityFetcher

java.lang.Object

io.jmix.data.impl.EntityFetcher

@Component("data_EntityFetcher")
public class EntityFetcher
extends Object

Fetches entities by fetch plans by accessing reference attributes.

Field Summary

Fields

Modifier and Type	Field	Description
protected EntityStates	entityStates
protected FetchPlanRepository	fetchPlanRepository
protected Metadata	metadata
protected MetadataTools	metadataTools
protected StoreAwareLocator	storeAwareLocator

Constructor Summary

Constructors

Constructor	Description
EntityFetcher()

Method Summary

Modifier and Type	Method	Description
void	fetch(Object instance, FetchPlan fetchPlan)	Fetch instance by fetch plan.
void	fetch(Object instance, FetchPlan fetchPlan, boolean optimizeForDetached)	Fetch instance by fetch plan.
protected void	fetch(Object entity, FetchPlan fetchPlan, Map<Object,Set<FetchPlan>> visited, boolean optimizeForDetached)
void	fetch(Object instance, String fetchPlanName)	Fetch instance by fetch plan.
void	fetch(Object instance, String fetchPlanName, boolean optimizeForDetached)	Fetch instance by fetch plan.
protected void	fetchReloaded(Object entity, FetchPlan fetchPlan, Map<Object,Set<FetchPlan>> visited, boolean optimizeForDetached, Consumer<Object> managedEntityConsumer)
protected boolean	isLazyFetchedLocalAttribute(MetaProperty metaProperty)
protected boolean	needReloading(Object entity, FetchPlan fetchPlan)

Methods inherited from class java.lang.Object

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

Field Details

metadata

@Autowired
protected Metadata metadata

fetchPlanRepository

@Autowired
protected FetchPlanRepository fetchPlanRepository

entityStates

@Autowired
protected EntityStates entityStates

metadataTools

@Autowired
protected MetadataTools metadataTools

storeAwareLocator

@Autowired
protected StoreAwareLocator storeAwareLocator

Constructor Details

EntityFetcher

public EntityFetcher()

Method Details

fetch

public void fetch(Object instance,
 @Nullable
 FetchPlan fetchPlan)

Fetch instance by fetch plan.

Parameters:

fetchPlan - if null, nothing happens

fetch

public void fetch(Object instance,
 @Nullable
 String fetchPlanName)

Fetch instance by fetch plan.

Parameters:

fetchPlanName - if null, nothing happens

fetch

public void fetch(Object instance,
 @Nullable
 FetchPlan fetchPlan,
 boolean optimizeForDetached)

Fetch instance by fetch plan.

Parameters:

fetchPlan - if null, nothing happens

optimizeForDetached - if true, detached objects encountered in the graph will be first checked whether all required attributes are already loaded, and reloaded only when needed. If the argument is false, all detached objects are reloaded anyway.

fetch

public void fetch(Object instance,
 @Nullable
 String fetchPlanName,
 boolean optimizeForDetached)

Fetch instance by fetch plan.

Parameters:

fetchPlanName - if null, nothing happens

optimizeForDetached - if true, detached objects encountered in the graph will be first checked whether all required attributes are already loaded, and reloaded only when needed. If the argument is false, all detached objects are reloaded anyway.

fetch

protected void fetch(Object entity,
 FetchPlan fetchPlan,
 Map<Object,Set<FetchPlan>> visited,
 boolean optimizeForDetached)

fetchReloaded

protected void fetchReloaded(Object entity,
 FetchPlan fetchPlan,
 Map<Object,Set<FetchPlan>> visited,
 boolean optimizeForDetached,
 Consumer<Object> managedEntityConsumer)

needReloading

protected boolean needReloading(Object entity,
 FetchPlan fetchPlan)

isLazyFetchedLocalAttribute

protected boolean isLazyFetchedLocalAttribute(MetaProperty metaProperty)