## Uses of Interface
org.apache.cayenne.Persistent

- Packages that use Persistent
  Package | Description
  --- | ---
  org.apache.cayenne | Contains persistence APIs directly accessible by users.
  org.apache.cayenne.access | Contains classes that make up Cayenne ORM stack.
  org.apache.cayenne.access.trans | Provides translators for Cayenne queries.
  org.apache.cayenne.ashwood |
  org.apache.cayenne.exp | Cayenne data expression classes.
  org.apache.cayenne.graph | Contains generic graph management tools used in Cayenne.
  org.apache.cayenne.query | Defines standard queries supported by Cayenne and extension mechanism to create custom queries.
  org.apache.cayenne.reflect |
  org.apache.cayenne.util | General utility classes.

- - ### Uses of Persistent in org.apache.cayenne

    Subinterfaces of Persistent in org.apache.cayenne
    Modifier and Type | Interface and Description
    --- | ---
    `interface` | `DataObject` Defines basic methods for a persistent object in Cayenne.

    Classes in org.apache.cayenne that implement Persistent
    Modifier and Type | Class and Description
    --- | ---
    `class` | `CayenneDataObject` A default implementation of DataObject interface.
    `class` | `PersistentObject` A convenience base superclass for concrete Persistent objects.

    Fields in org.apache.cayenne declared as Persistent
    Modifier and Type | Field and Description
    --- | ---
    `protected Persistent` | DeleteDenyException.`object`

    Methods in org.apache.cayenne that return Persistent
    Modifier and Type | Method and Description
    --- | ---
    `Persistent` | DeleteDenyException.`getObject()`
    `Persistent` | BaseContext.`localObject(ObjectId id, Object prototype)` Deprecated. since 3.1 Cayenne users should use `BaseContext.localObject(Object)`; the internal code has been refactored to avoid using this method all together.
    `Persistent` | ObjectContext.`localObject(ObjectId id, Object prototype)` Deprecated. since 3.1 Cayenne users should use `ObjectContext.localObject(Object)`; the internal code has been refactored to avoid using this method all together.

    Methods in org.apache.cayenne with parameters of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `static Map<String,Object>` | Cayenne.`compoundPKForObject(Persistent dataObject)` Returns a primary key map for a persistent object.
    `static Map<String,Object>` | DataObjectUtils.`compoundPKForObject(Persistent dataObject)` Deprecated. Returns a primary key map for a persistent object.
    `static ClassDescriptor` | Cayenne.`getClassDescriptor(Persistent object)` Returns class descriptor for the object or null if the object is not registered with an ObjectContext or descriptor was not found.
    `static ObjEntity` | Cayenne.`getObjEntity(Persistent p)` Returns mapped ObjEntity for object.
    `static Property` | Cayenne.`getProperty(Persistent object, String properyName)` Returns property descriptor for specified property.
    `static int` | Cayenne.`intPKForObject(Persistent dataObject)` Returns an int primary key value for a persistent object.
    `static int` | DataObjectUtils.`intPKForObject(Persistent dataObject)` Deprecated. Returns an int primary key value for a persistent object.
    `static long` | Cayenne.`longPKForObject(Persistent dataObject)` Returns an int primary key value for a persistent object.
    `static long` | DataObjectUtils.`longPKForObject(Persistent dataObject)` Deprecated. Returns an int primary key value for a persistent object.
    `static Object` | Cayenne.`pkForObject(Persistent dataObject)` Returns a primary key value for a persistent object.
    `static Object` | DataObjectUtils.`pkForObject(Persistent dataObject)` Deprecated. Returns a primary key value for a persistent object.
    `void` | BaseContext.`prepareForAccess(Persistent object, String property, boolean lazyFaulting)`
    `void` | ObjectContext.`prepareForAccess(Persistent object, String property, boolean lazyFaulting)` A callback method that child Persistent objects are expected to call before accessing property values.
    `void` | BaseContext.`propertyChanged(Persistent object, String property, Object oldValue, Object newValue)`
    `void` | ObjectContext.`propertyChanged(Persistent object, String property, Object oldValue, Object newValue)` A callback method that child Persistent objects are expected to call from inside the setter after modifying a value of a persistent property, including "simple" and "arc" properties.
    `abstract Object` | Fault.`resolveFault(Persistent sourceObject, String relationshipName)` Returns an object for a given source object and relationship.
    `protected void` | CayenneDataObject.`willConnect(String relationshipName, Persistent object)` Called before establishing a relationship with another object.

    Constructors in org.apache.cayenne with parameters of type Persistent
    Constructor and Description
    `DeleteDenyException(Persistent object, String relationship, String reason)`

  - ### Uses of Persistent in org.apache.cayenne.access

    Fields in org.apache.cayenne.access with type parameters of type Persistent
    Modifier and Type | Field and Description
    --- | ---
    `protected Map<Object,Persistent>` | ObjectStore.`objectMap`

    Methods in org.apache.cayenne.access that return Persistent
    Modifier and Type | Method and Description
    --- | ---
    `Persistent` | DataContext.`newObject(String entityName)` Instantiates a new object and registers it with this context.

    Methods in org.apache.cayenne.access that return types with arguments of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `Map<Object,Persistent>` | DefaultObjectMapRetainStrategy.`createObjectMap()`
    `Map<Object,Persistent>` | ObjectMapRetainStrategy.`createObjectMap()`
    `List<Persistent>` | ObjectStore.`objectsInState(int state)` Return a subset of registered objects that are in a certain persistence state.

    Methods in org.apache.cayenne.access with parameters of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `DataRow` | DataContext.`currentSnapshot(Persistent object)` Returns a DataRow reflecting current, possibly uncommitted, object state.
    `Object` | ToManyListFault.`resolveFault(Persistent sourceObject, String relationshipName)` Resolves this fault to a List of objects.
    `Object` | ToManyMapFault.`resolveFault(Persistent sourceObject, String relationshipName)`
    `Object` | ToManySetFault.`resolveFault(Persistent sourceObject, String relationshipName)`
    `Object` | ToOneFault.`resolveFault(Persistent sourceObject, String relationshipName)` Resolves this fault to a DataObject.

    Constructors in org.apache.cayenne.access with parameters of type Persistent
    Constructor and Description
    `ToManyList(Persistent source, String relationship)` Creates ToManyList.

    Constructor parameters in org.apache.cayenne.access with type arguments of type Persistent
    Constructor and Description
    `NoSyncObjectStore(DataRowStore dataRowCache, Map<Object,Persistent> objectMap)`
    `ObjectStore(DataRowStore dataRowCache, Map<Object,Persistent> objectMap)` Creates an ObjectStore with `DataRowStore` and a map to use for storing registered objects.

  - ### Uses of Persistent in org.apache.cayenne.access.trans

    Methods in org.apache.cayenne.access.trans with parameters of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `void` | DataObjectMatchTranslator.`setDataObject(Persistent obj)`

  - ### Uses of Persistent in org.apache.cayenne.ashwood

    Methods in org.apache.cayenne.ashwood with parameters of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `protected Object` | AshwoodEntitySorter.`findReflexiveMaster(Persistent object, ObjRelationship toOneRel, String targetEntityName)`

  - ### Uses of Persistent in org.apache.cayenne.exp

    Methods in org.apache.cayenne.exp with parameters of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `static Expression` | ExpressionFactory.`matchAnyExp(Persistent... objects)` Creates an expression that matches any of the objects contained in the `objects` array
    `static Expression` | ExpressionFactory.`matchExp(Persistent object)` Creates an expression that matches the primary key of object in `ObjectId`'s `IdSnapshot` for the argument `object`.

    Method parameters in org.apache.cayenne.exp with type arguments of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `static Expression` | ExpressionFactory.`matchAnyExp(List<? extends Persistent> objects)` Creates an expression that matches any of the objects contained in the list `objects`

  - ### Uses of Persistent in org.apache.cayenne.graph

    Methods in org.apache.cayenne.graph that return Persistent
    Modifier and Type | Method and Description
    --- | ---
    `protected Persistent` | ChildDiffLoader.`findObject(Object nodeId)`
    `protected Persistent` | ChildDiffLoader.`findObjectInCollection(Object nodeId, Object toManyHolder)`

  - ### Uses of Persistent in org.apache.cayenne.query

    Constructors in org.apache.cayenne.query with parameters of type Persistent
    Constructor and Description
    `RefreshQuery(Persistent object)` Creates a RefreshQuery that refreshes a single object, including invalidation of its relationships.

  - ### Uses of Persistent in org.apache.cayenne.reflect

    Methods in org.apache.cayenne.reflect with parameters of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `void` | LifecycleCallbackRegistry.`performCallbacks(LifecycleEvent type, Persistent object)` Invokes callbacks of a specific type for a given entity object.

  - ### Uses of Persistent in org.apache.cayenne.util

    Fields in org.apache.cayenne.util declared as Persistent
    Modifier and Type | Field and Description
    --- | ---
    `protected Persistent` | RelationshipFault.`relationshipOwner`

    Fields in org.apache.cayenne.util with type parameters of type Persistent
    Modifier and Type | Field and Description
    --- | ---
    `protected Map<ObjectId,Persistent>` | ObjectDetachOperation.`seen`

    Methods in org.apache.cayenne.util with type parameters of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `<T extends Persistent> T` | DeepMergeOperation.`merge(T peerInParentContext)`
    `<T extends Persistent> T` | ShallowMergeOperation.`merge(T peerInParentContext)`

    Methods in org.apache.cayenne.util that return Persistent
    Modifier and Type | Method and Description
    --- | ---
    `Persistent` | RelationshipFault.`getRelationshipOwner()`

    Methods in org.apache.cayenne.util with parameters of type Persistent
    Modifier and Type | Method and Description
    --- | ---
    `protected Object` | PersistentObjectHolder.`connect(Persistent persistent)` Returns an object that should be stored as a value in this ValueHolder, ensuring that it is registered with the same context.
    `protected void` | ObjectContextGraphAction.`handleArcPropertyChange(Persistent object, ArcProperty property, Object oldValue, Object newValue)`
    `void` | ObjectContextGraphAction.`handlePropertyChange(Persistent object, String propertyName, Object oldValue, Object newValue)` Handles property change in a Persistent object, routing to either `ObjectContextGraphAction.handleArcPropertyChange(Persistent, ArcProperty, Object, Object)` or `ObjectContextGraphAction.handleSimplePropertyChange(Persistent, String, Object, Object)`.
    `protected void` | ObjectContextGraphAction.`handleSimplePropertyChange(Persistent object, String propertyName, Object oldValue, Object newValue)`
    `protected boolean` | ObjectContextGraphAction.`markAsDirty(Persistent object)` Changes object state to MODIFIED if needed, returning true if the change has occurred, false if not.

    Constructors in org.apache.cayenne.util with parameters of type Persistent
    Constructor and Description
    `PersistentObjectHolder(Persistent relationshipOwner, String relationshipName)`
    `PersistentObjectList(Persistent relationshipOwner, String relationshipName)` Creates PersistentObjectList initializing it with list owner persistent object and relationship name that this list maps to.
    `PersistentObjectMap(Persistent relationshipOwner, String relationshipName, Accessor mapKeyAccessor)` Creates PersistentObjectList initializing it with list owner persistent object and relationship name that this list maps to.
    `PersistentObjectSet(Persistent relationshipOwner, String relationshipName)`
    `RelationshipFault(Persistent relationshipOwner, String relationshipName)`

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