io.realm

Class RealmSchema

java.lang.Object

io.realm.RealmSchema

public final class RealmSchema
extends Object

Class for interacting with the Realm schema using a dynamic API. This makes it possible to add, delete and change the classes in the Realm.

All changes must happen inside a write transaction for the particular Realm.

See Also:

RealmMigration

Method Summary

Modifier and Type	Method and Description
void	close()
boolean	contains(String className) Checks if a given class already exists in the schema.
RealmObjectSchema	create(String className) Adds a new class to the Realm.
RealmObjectSchema	get(String className) Returns the Realm schema for a given class.
Set<RealmObjectSchema>	getAll() Returns the RealmObjectSchema for all RealmObject classes that can be saved in this Realm.
long	getNativePtr()
void	remove(String className) Removes a class from the Realm.
RealmObjectSchema	rename(String oldClassName, String newClassName) Renames a class already in the Realm.

Methods inherited from class java.lang.Object

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

Method Detail

getNativePtr

public long getNativePtr()

close

public void close()

get

public RealmObjectSchema get(String className)

Returns the Realm schema for a given class.

Parameters:

className - name of the class

Returns:

schema object for that class or null if the class doesn't exists.

getAll

public Set<RealmObjectSchema> getAll()

Returns the RealmObjectSchema for all RealmObject classes that can be saved in this Realm.

Returns:

the set of all classes in this Realm or no RealmObject classes can be saved in the Realm.

create

public RealmObjectSchema create(String className)

Adds a new class to the Realm.

Parameters:

className - name of the class.

Returns:

a Realm schema object for that class.

remove

public void remove(String className)

Removes a class from the Realm. All data will be removed. Removing a class while other classes point to it will throw an IllegalStateException. Remove those classes or fields first.

Parameters:

className - name of the class to remove.

rename

public RealmObjectSchema rename(String oldClassName,
                                String newClassName)

Renames a class already in the Realm.

Parameters:

oldClassName - old class name.

newClassName - new class name.

Returns:

a schema object for renamed class.

contains

public boolean contains(String className)

Checks if a given class already exists in the schema.

Parameters:

className - class name to check.

Returns:

true if the class already exists. false otherwise.