com.haulmont.cuba.core.sys

Class EntityFetcher

java.lang.Object

com.haulmont.cuba.core.sys.EntityFetcher

@Component(value="cuba_EntityFetcher")
public class EntityFetcher
extends java.lang.Object

Fetches entities by views by accessing reference attributes.

Field Summary

Fields

Modifier and Type	Field and Description
protected EntityStates	entityStates
protected Metadata	metadata
static java.lang.String	NAME
protected Persistence	persistence
protected ViewRepository	viewRepository

Constructor Summary

Constructors

Constructor and Description
EntityFetcher()

Method Summary

Modifier and Type	Method and Description
void	fetch(Entity instance, java.lang.String viewName) Fetch instance by view name.
void	fetch(Entity instance, java.lang.String viewName, boolean optimizeForDetached) Fetch instance by view name.
void	fetch(Entity instance, View view) Fetch instance by view object.
void	fetch(Entity instance, View view, boolean optimizeForDetached) Fetch instance by view object.
protected void	fetch(Entity entity, View view, java.util.Map<Instance,java.util.Set<View>> visited, boolean optimizeForDetached)
protected boolean	needReloading(Entity entity, View view)

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final java.lang.String NAME

See Also:

Constant Field Values

metadata

@Inject
protected Metadata metadata

viewRepository

@Inject
protected ViewRepository viewRepository

persistence

@Inject
protected Persistence persistence

entityStates

@Inject
protected EntityStates entityStates

Constructor Detail

EntityFetcher

public EntityFetcher()

Method Detail

fetch

public void fetch(Entity instance,
                  View view)

Fetch instance by view object.

fetch

public void fetch(Entity instance,
                  java.lang.String viewName)

Fetch instance by view name.

fetch

public void fetch(Entity instance,
                  View view,
                  boolean optimizeForDetached)

Fetch instance by view object.

Parameters:

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(Entity instance,
                  java.lang.String viewName,
                  boolean optimizeForDetached)

Fetch instance by view name.

Parameters:

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(Entity entity,
                     View view,
                     java.util.Map<Instance,java.util.Set<View>> visited,
                     boolean optimizeForDetached)

needReloading

protected boolean needReloading(Entity entity,
                                View view)