Module is.codion.framework.model

Package is.codion.framework.model

Interface EntityEditModel

All Known Implementing Classes:

AbstractEntityEditModel, SwingEntityEditModel

public interface EntityEditModel

Specifies a class for editing Entity instances. The underlying attribute values are available via value(Attribute).

See Also:

• EntityEditModel.EntityEditor

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	EntityEditModel.Delete	Represents a task for deleting entities, split up for use with a background thread.
static interface	EntityEditModel.EntityEditor	Provides edit access to the underlying entity being edited.
static interface	EntityEditModel.Insert	Represents a task for inserting entities, split up for use with a background thread.
static interface	EntityEditModel.Update	Represents a task for updating entities, split up for use with a background thread.
static interface	EntityEditModel.ValueEditor<T>	Provides edit access to an Attribute value in the underlying entity being edited.

Field Summary

Fields

Modifier and Type	Field	Description
static final PropertyValue<Boolean>	PERSIST_FOREIGN_KEYS	Specifies whether foreign key values should persist by default when defaults are set Value type: Boolean Default value: true
static final PropertyValue<Boolean>	POST_EDIT_EVENTS	Specifies whether edit models post their insert, update and delete events to EntityEditEvents Value type: Boolean Default value: true

Method Summary

Modifier and Type	Method	Description
void	add(ForeignKey foreignKey, Collection<Entity> entities)	Adds the given entities to all foreign key models based on that entity type
Observer<Collection<Entity>>	afterDelete()
Observer<Collection<Entity>>	afterInsert()
Observer<?>	afterInsertUpdateOrDelete()
Observer<Map<Entity.Key,Entity>>	afterUpdate()
Observer<Collection<Entity>>	beforeDelete()
Observer<Collection<Entity>>	beforeInsert()
Observer<Map<Entity.Key,Entity>>	beforeUpdate()
EntityConnection	connection()	Do not cache or keep the connection returned by this method in a long living field, since it may become invalid and thereby unusable.
EntityConnectionProvider	connectionProvider()
EntityEditModel.Delete	createDelete()	Creates a new EntityEditModel.Delete instance for deleting the active entity.
EntityEditModel.Delete	createDelete(Collection<Entity> entities)	Creates a new EntityEditModel.Delete instance for deleting the given entities.
EntityEditModel.Insert	createInsert()	Creates a new EntityEditModel.Insert instance for inserting the active entity.
EntityEditModel.Insert	createInsert(Collection<Entity> entities)	Creates a new EntityEditModel.Insert instance for inserting the given entities.
EntitySearchModel	createSearchModel(ForeignKey foreignKey)	Creates a EntitySearchModel for looking up entities referenced by the given foreign key, using the search attributes defined for that entity type.
EntityEditModel.Update	createUpdate()	Creates a new EntityEditModel.Update instance for updating the active entity.
EntityEditModel.Update	createUpdate(Collection<Entity> entities)	Creates a new EntityEditModel.Update instance for updating the given entities.
Entity	delete()	Note: This method must be called on the UI thread in case a panel has been based on this model.
Collection<Entity>	delete(Collection<Entity> entities)	Note: This method must be called on the UI thread in case a panel has been based on this model.
State	deleteEnabled()	Disabling delete causes an exception being thrown when deleting.
EntityEditModel.EntityEditor	editor()	Returns a EntityEditModel.EntityEditor wrapping the entity being edited.
Entities	entities()
EntityDefinition	entityDefinition()
EntityType	entityType()
Entity	insert()	Note: This method must be called on the UI thread in case a panel has been based on this model.
Collection<Entity>	insert(Collection<Entity> entities)	Note: This method must be called on the UI thread in case a panel has been based on this model.
State	insertEnabled()	Disabling insert causes an exception being thrown when inserting.
State	postEditEvents()
State	readOnly()	Making this edit model read-only prevents any changes from being persisted to the database, trying to insert, update or delete will cause an exception being thrown, it does not prevent editing.
void	refresh()	Refreshes the active Entity from the database, discarding all changes.
void	remove(ForeignKey foreignKey, Collection<Entity> entities)	Removes the given entities from all foreign key models based on that entity type and clears any foreign key values referencing them.
void	replace(ForeignKey foreignKey, Collection<Entity> entities)	For every field referencing the given foreign key values, replaces that foreign key instance with the corresponding entity from entities, useful when attribute values have been changed in the referenced entity that must be reflected in the edit model.
EntitySearchModel	searchModel(ForeignKey foreignKey)
Entity	update()	Note: This method must be called on the UI thread in case a panel has been based on this model.
Collection<Entity>	update(Collection<Entity> entities)	Note: This method must be called on the UI thread in case a panel has been based on this model.
State	updateEnabled()	Disabling update causes an exception being thrown when updating.
State	updateMultipleEnabled()	Disabling updating multiple entities causes an exception being thrown when trying to update multiple entities at a time.
<T> EntityEditModel.ValueEditor<T>	value(Attribute<T> attribute)	Returns the EntityEditModel.ValueEditor instance representing attribute in this edit model.

Field Details

PERSIST_FOREIGN_KEYS

static final PropertyValue<Boolean> PERSIST_FOREIGN_KEYS

Specifies whether foreign key values should persist by default when defaults are set

• Value type: Boolean
• Default value: true

See Also:

• EntityEditModel.EntityEditor.defaults()

POST_EDIT_EVENTS

static final PropertyValue<Boolean> POST_EDIT_EVENTS

Specifies whether edit models post their insert, update and delete events to EntityEditEvents

• Value type: Boolean
• Default value: true

See Also:

• postEditEvents()
• EntityTableModel.HANDLE_EDIT_EVENTS

Method Details

entityType

EntityType entityType()

Returns:

the type of the entity this edit model is based on

connectionProvider

EntityConnectionProvider connectionProvider()

Returns:

the connection provider used by this edit model

connection

EntityConnection connection()

Do not cache or keep the connection returned by this method in a long living field, since it may become invalid and thereby unusable.

Returns:

the connection used by this edit model

editor

EntityEditModel.EntityEditor editor()

Returns a EntityEditModel.EntityEditor wrapping the entity being edited. EntityEditModel.EntityEditor.get() returns an immutable copy of the Entity instance being edited, while EntityEditModel.EntityEditor.set(Entity) copies the values from the given Entity into the underlying Entity. Note that value changes must go through the EntityEditModel.ValueEditor accessible via value(Attribute).

Returns:

the EntityEditModel.EntityEditor wrapping the Entity instance being edited

See Also:

• Entity.immutable()

value

<T> EntityEditModel.ValueEditor<T> value(Attribute<T> attribute)

Returns the EntityEditModel.ValueEditor instance representing attribute in this edit model.

Type Parameters:

T - the value type

Parameters:

attribute - the attribute

Returns:

the EntityEditModel.ValueEditor representing the given attribute

entities

Entities entities()

Returns:

the underlying domain entities

entityDefinition

EntityDefinition entityDefinition()

Returns:

the definition of the underlying entity

readOnly

State readOnly()

Making this edit model read-only prevents any changes from being persisted to the database, trying to insert, update or delete will cause an exception being thrown, it does not prevent editing. Use insertEnabled(), updateEnabled() and deleteEnabled() to configure the enabled state of those specific actions.

Returns:

the State controlling whether this model is read only

insertEnabled

State insertEnabled()

Disabling insert causes an exception being thrown when inserting.

Returns:

the State controlling whether inserting is enabled via this edit model

updateEnabled

State updateEnabled()

Disabling update causes an exception being thrown when updating.

Returns:

the State controlling whether updating is enabled via this edit model

updateMultipleEnabled

State updateMultipleEnabled()

Disabling updating multiple entities causes an exception being thrown when trying to update multiple entities at a time.

Returns:

the State controlling whether updating multiple entities is enabled

deleteEnabled

State deleteEnabled()

Disabling delete causes an exception being thrown when deleting.

Returns:

the State controlling whether deleting is enabled via this edit model

createSearchModel

EntitySearchModel createSearchModel(ForeignKey foreignKey)

Creates a EntitySearchModel for looking up entities referenced by the given foreign key, using the search attributes defined for that entity type.

Parameters:

foreignKey - the foreign key for which to create a EntitySearchModel

Returns:

a EntitySearchModel for looking up entities of the type referenced by the given foreign key attribute,

Throws:

IllegalStateException - in case no searchable attributes can be found for the entity type referenced by the given foreign key

searchModel

EntitySearchModel searchModel(ForeignKey foreignKey)

Parameters:

foreignKey - the foreign key for which to retrieve the EntitySearchModel

Returns:

the EntitySearchModel associated with the foreignKey, if no search model has been initialized for the given foreign key, a new one is created, associated with the foreign key and returned.

postEditEvents

State postEditEvents()

Returns:

a state controlling whether this edit model posts insert, update and delete events on the EntityEditEvents event bus.

See Also:

• POST_EDIT_EVENTS

refresh

void refresh()

Refreshes the active Entity from the database, discarding all changes. If the active Entity is new then calling this method has no effect.

insert

Entity insert()

Note: This method must be called on the UI thread in case a panel has been based on this model. Performs an insert on the active entity, sets the primary key values of the active entity according to the primary key of the inserted entity

Returns:

the inserted entity

Throws:

DatabaseException - in case of a database exception

ValidationException - in case validation fails

IllegalStateException - in case inserting is not enabled

See Also:

• beforeInsert()
• afterInsert()
• insertEnabled()
• EntityEditModel.EntityEditor.validate(Entity)

insert

Collection<Entity> insert(Collection<Entity> entities)

Note: This method must be called on the UI thread in case a panel has been based on this model. Performs an insert on the given entities.

Parameters:

entities - the entities to insert

Returns:

a list containing the inserted entities

Throws:

DatabaseException - in case of a database exception

ValidationException - in case validation fails

IllegalStateException - in case inserting is not enabled

See Also:

• beforeInsert()
• afterInsert()
• insertEnabled()
• EntityEditModel.EntityEditor.validate(Entity)

update

Entity update()

Note: This method must be called on the UI thread in case a panel has been based on this model. Performs an update on the active entity

Returns:

the updated entity

Throws:

DatabaseException - in case of a database exception

RecordModifiedException - in case the entity has been modified since it was loaded

ValidationException - in case validation fails

IllegalStateException - in case updating is not enabled

UpdateException - in case the active entity is not modified

See Also:

• beforeUpdate()
• afterUpdate()
• updateEnabled()
• EntityEditModel.EntityEditor.validate(Entity)

update

Collection<Entity> update(Collection<Entity> entities)

Note: This method must be called on the UI thread in case a panel has been based on this model. Updates the given entities.

Parameters:

entities - the entities to update

Returns:

the updated entities

Throws:

DatabaseException - in case of a database exception

RecordModifiedException - in case an entity has been modified since it was loaded

ValidationException - in case validation fails

IllegalStateException - in case updating is not enabled

UpdateException - in case any of the given entities are not modified

See Also:

• beforeUpdate()
• afterUpdate()
• updateEnabled()
• EntityEditModel.EntityEditor.validate(Entity)

delete

Entity delete()

Note: This method must be called on the UI thread in case a panel has been based on this model.

Returns:

the deleted entity

Throws:

DatabaseException - in case of a database exception

IllegalStateException - in case deleting is not enabled

See Also:

• beforeDelete()
• afterDelete()
• deleteEnabled()

delete

Collection<Entity> delete(Collection<Entity> entities)

Note: This method must be called on the UI thread in case a panel has been based on this model.

Parameters:

entities - the entities to delete

Returns:

the deleted entities

Throws:

DatabaseException - in case of a database exception

IllegalStateException - in case deleting is not enabled

See Also:

• beforeDelete()
• afterDelete()
• deleteEnabled()

createInsert

EntityEditModel.Insert createInsert()

Creates a new EntityEditModel.Insert instance for inserting the active entity.

Returns:

a new EntityEditModel.Insert instance

Throws:

IllegalStateException - in inserting is not enabled

ValidationException - in case validation fails

See Also:

• insertEnabled()

createInsert

EntityEditModel.Insert createInsert(Collection<Entity> entities)

Creates a new EntityEditModel.Insert instance for inserting the given entities.

Parameters:

entities - the entities to insert

Returns:

a new EntityEditModel.Insert instance

Throws:

IllegalStateException - in inserting is not enabled

ValidationException - in case validation fails

See Also:

• insertEnabled()

createUpdate

EntityEditModel.Update createUpdate()

Creates a new EntityEditModel.Update instance for updating the active entity.

Returns:

a new EntityEditModel.Update instance

Throws:

IllegalStateException - in case the active entity is unmodified or if updating is not enabled

ValidationException - in case validation fails

See Also:

• updateEnabled()

createUpdate

EntityEditModel.Update createUpdate(Collection<Entity> entities)

Creates a new EntityEditModel.Update instance for updating the given entities.

Parameters:

entities - the entities to update

Returns:

a new EntityEditModel.Update instance

Throws:

IllegalStateException - in case any of the given entities are unmodified or if updating is not enabled

ValidationException - in case validation fails

See Also:

• updateEnabled()

createDelete

EntityEditModel.Delete createDelete()

Creates a new EntityEditModel.Delete instance for deleting the active entity.

Returns:

a new EntityEditModel.Delete instance

Throws:

IllegalStateException - in deleting is not enabled

See Also:

• deleteEnabled()

createDelete

EntityEditModel.Delete createDelete(Collection<Entity> entities)

Creates a new EntityEditModel.Delete instance for deleting the given entities.

Parameters:

entities - the entities to delete

Returns:

a new EntityEditModel.Delete instance

Throws:

IllegalStateException - in deleting is not enabled

See Also:

• deleteEnabled()

add

void add(ForeignKey foreignKey,
 Collection<Entity> entities)

Adds the given entities to all foreign key models based on that entity type

Parameters:

foreignKey - the foreign key

entities - the values

remove

void remove(ForeignKey foreignKey,
 Collection<Entity> entities)

Removes the given entities from all foreign key models based on that entity type and clears any foreign key values referencing them.

Parameters:

foreignKey - the foreign key

entities - the values

replace

void replace(ForeignKey foreignKey,
 Collection<Entity> entities)

For every field referencing the given foreign key values, replaces that foreign key instance with the corresponding entity from entities, useful when attribute values have been changed in the referenced entity that must be reflected in the edit model.

Parameters:

foreignKey - the foreign key

entities - the foreign key entities

beforeInsert

Observer<Collection<Entity>> beforeInsert()

Returns:

an observer notified before an insert is performed, after validation

afterInsert

Observer<Collection<Entity>> afterInsert()

Returns:

an observer notified after an insert is performed

beforeUpdate

Observer<Map<Entity.Key,Entity>> beforeUpdate()

Returns:

an observer notified before an update is performed, after validation

afterUpdate

Observer<Map<Entity.Key,Entity>> afterUpdate()

Returns:

an observer notified after an update is performed

beforeDelete

Observer<Collection<Entity>> beforeDelete()

Returns:

an observer notified before a delete is performed

afterDelete

Observer<Collection<Entity>> afterDelete()

Returns:

an observer notified after a delete is performed

afterInsertUpdateOrDelete

Observer<?> afterInsertUpdateOrDelete()

Returns:

an observer notified each time one or more entities have been inserted, updated or deleted via this model