com.haulmont.cuba.core

Class PersistenceTools.RefId

java.lang.Object

com.haulmont.cuba.core.PersistenceTools.RefId

Enclosing class:

PersistenceTools

public static class PersistenceTools.RefId
extends java.lang.Object

A wrapper for the reference ID value returned by PersistenceTools.getReferenceId(BaseGenericIdEntity, String) method.

See Also:

isLoaded(), getValue()

Method Summary

Modifier and Type	Method and Description
static PersistenceTools.RefId	create(java.lang.String name, java.lang.Object value)
static PersistenceTools.RefId	createNotLoaded(java.lang.String name)
java.lang.Object	getValue() Returns the reference ID value (can be null) if isLoaded() is true
boolean	isLoaded() Returns true if the reference ID has been loaded and can be retrieved by calling getValue()

Methods inherited from class java.lang.Object

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

Method Detail

create

public static PersistenceTools.RefId create(java.lang.String name,
                                            java.lang.Object value)

createNotLoaded

public static PersistenceTools.RefId createNotLoaded(java.lang.String name)

isLoaded

public boolean isLoaded()

Returns true if the reference ID has been loaded and can be retrieved by calling getValue()

getValue

@Nullable
public java.lang.Object getValue()

Returns the reference ID value (can be null) if isLoaded() is true

Throws:

java.lang.IllegalStateException - if isLoaded() is false