com.haulmont.cuba.gui.data.impl

Class EmbeddedDatasourceImpl<T extends EmbeddableEntity>

java.lang.Object

com.haulmont.cuba.gui.data.impl.AbstractDatasource<T>

com.haulmont.cuba.gui.data.impl.EmbeddedDatasourceImpl<T>

All Implemented Interfaces:

Datasource<T>, EmbeddedDatasource<T>, DatasourceImplementation<T>, NestedDatasource<T>

public class EmbeddedDatasourceImpl<T extends EmbeddableEntity>
extends AbstractDatasource<T>
implements Datasource<T>, DatasourceImplementation<T>, EmbeddedDatasource<T>

Nested Class Summary

Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.data.Datasource

Datasource.CommitMode, Datasource.ItemChangeEvent<T extends Entity>, Datasource.ItemChangeListener<T extends Entity>, Datasource.ItemPropertyChangeEvent<T extends Entity>, Datasource.ItemPropertyChangeListener<T extends Entity>, Datasource.State, Datasource.StateChangeEvent<T extends Entity>, Datasource.StateChangeListener<T extends Entity>

Constructor Summary

Constructors

Constructor and Description
EmbeddedDatasourceImpl()

Method Summary

Modifier and Type	Method and Description
void	commit() Performs commit
void	committed(java.util.Set<Entity> entities) Invoked after commit.
DataSupplier	getDataSupplier()
DsContext	getDsContext()
T	getItem()
T	getItemIfValid()
java.util.Collection<T>	getItemsToCreate() New instances to be committed.
java.util.Collection<T>	getItemsToDelete() Deleted instances to be committed.
java.util.Collection<T>	getItemsToUpdate() Modified instances to be committed.
Datasource	getMaster()
MetaClass	getMetaClass()
MetaProperty	getProperty()
Datasource.State	getState()
View	getView()
void	initialized() Moves the datasource to State#INVALID.
void	invalidate() Clears internal data and sets the datasource in Datasource.State.INVALID state.
void	modified(T item) Invoked when the given instance is modified.
void	refresh() Refreshes the datasource moving it to the Datasource.State.VALID state
void	setItem(T item) Set current entity in the datasource.
void	setup(java.lang.String id, Datasource masterDs, java.lang.String property) Setup the datasource right after creation.
void	valid() Moves the datasource to State#VALID.

Methods inherited from class com.haulmont.cuba.gui.data.impl.AbstractDatasource

addItemChangeListener, addItemPropertyChangeListener, addListener, addStateChangeListener, clearCommitLists, deleted, enableListeners, getCommitMode, getId, getLoadDynamicAttributes, getParent, isAllowCommit, isModified, removeItemChangeListener, removeItemPropertyChangeListener, removeListener, removeStateChangeListener, setAllowCommit, setCommitMode, setLoadDynamicAttributes, setModified, setParent, setup, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.haulmont.cuba.gui.data.impl.DatasourceImplementation

clearCommitLists, deleted, enableListeners, getParent, setCommitMode, setModified, setParent

Methods inherited from interface com.haulmont.cuba.gui.data.Datasource

addItemChangeListener, addItemPropertyChangeListener, addListener, addStateChangeListener, getCommitMode, getId, getLoadDynamicAttributes, isAllowCommit, isModified, removeItemChangeListener, removeItemPropertyChangeListener, removeListener, removeStateChangeListener, setAllowCommit, setLoadDynamicAttributes, setup

Constructor Detail

EmbeddedDatasourceImpl

public EmbeddedDatasourceImpl()

Method Detail

setup

public void setup(java.lang.String id,
                  Datasource masterDs,
                  java.lang.String property)

Description copied from interface: NestedDatasource

Setup the datasource right after creation. This method should be called only once.

Specified by:

setup in interface NestedDatasource<T extends EmbeddableEntity>

Parameters:

id - datasource ID

masterDs - master datasource

property - property of the master datasource to bound this datasource to

getDsContext

public DsContext getDsContext()

Specified by:

getDsContext in interface Datasource<T extends EmbeddableEntity>

Returns:

enclosing DsContext

getDataSupplier

public DataSupplier getDataSupplier()

Specified by:

getDataSupplier in interface Datasource<T extends EmbeddableEntity>

Returns:

a DataSupplier that is used to work with Middleware

commit

public void commit()

Description copied from interface: Datasource

Performs commit

Specified by:

commit in interface Datasource<T extends EmbeddableEntity>

getState

public Datasource.State getState()

Specified by:

getState in interface Datasource<T extends EmbeddableEntity>

Returns:

current state

getItem

public T getItem()

Specified by:

getItem in interface Datasource<T extends EmbeddableEntity>

Returns:

current entity contained in the datasource

getItemIfValid

@Nullable
public T getItemIfValid()

Specified by:

getItemIfValid in interface Datasource<T extends EmbeddableEntity>

Returns:

current entity contained in the datasource or null if state is not VALID

setItem

public void setItem(T item)

Description copied from interface: Datasource

Set current entity in the datasource.

Specified by:

setItem in interface Datasource<T extends EmbeddableEntity>

Parameters:

item - entity instance

getMetaClass

public MetaClass getMetaClass()

Specified by:

getMetaClass in interface Datasource<T extends EmbeddableEntity>

Returns:

MetaClass of an entity contained in the datasource

getView

public View getView()

Specified by:

getView in interface Datasource<T extends EmbeddableEntity>

Returns:

View that is used to load entities form DB, can be null

committed

public void committed(java.util.Set<Entity> entities)

Description copied from interface: DatasourceImplementation

Invoked after commit.

Specified by:

committed in interface DatasourceImplementation<T extends EmbeddableEntity>

Parameters:

entities - committed entities returned from middleware

getMaster

public Datasource getMaster()

Specified by:

getMaster in interface NestedDatasource<T extends EmbeddableEntity>

Returns:

Master datasource.

getProperty

public MetaProperty getProperty()

Specified by:

getProperty in interface NestedDatasource<T extends EmbeddableEntity>

Returns:

Property of the master datasource which this datasource is bound to.

invalidate

public void invalidate()

Description copied from interface: Datasource

Clears internal data and sets the datasource in Datasource.State.INVALID state. In Datasource.State.NOT_INITIALIZED does nothing.

Specified by:

invalidate in interface Datasource<T extends EmbeddableEntity>

refresh

public void refresh()

Description copied from interface: Datasource

Refreshes the datasource moving it to the Datasource.State.VALID state

Specified by:

refresh in interface Datasource<T extends EmbeddableEntity>

initialized

public void initialized()

Description copied from interface: DatasourceImplementation

Moves the datasource to State#INVALID.

Specified by:

initialized in interface DatasourceImplementation<T extends EmbeddableEntity>

valid

public void valid()

Description copied from interface: DatasourceImplementation

Moves the datasource to State#VALID.

Specified by:

valid in interface DatasourceImplementation<T extends EmbeddableEntity>

modified

public void modified(T item)

Description copied from interface: DatasourceImplementation

Invoked when the given instance is modified.

Specified by:

modified in interface DatasourceImplementation<T extends EmbeddableEntity>

Overrides:

modified in class AbstractDatasource<T extends EmbeddableEntity>

getItemsToCreate

public java.util.Collection<T> getItemsToCreate()

Description copied from interface: DatasourceImplementation

New instances to be committed.

Specified by:

getItemsToCreate in interface DatasourceImplementation<T extends EmbeddableEntity>

Overrides:

getItemsToCreate in class AbstractDatasource<T extends EmbeddableEntity>

getItemsToUpdate

public java.util.Collection<T> getItemsToUpdate()

Description copied from interface: DatasourceImplementation

Modified instances to be committed.

Specified by:

getItemsToUpdate in interface DatasourceImplementation<T extends EmbeddableEntity>

Overrides:

getItemsToUpdate in class AbstractDatasource<T extends EmbeddableEntity>

getItemsToDelete

public java.util.Collection<T> getItemsToDelete()

Description copied from interface: DatasourceImplementation

Deleted instances to be committed.

Specified by:

getItemsToDelete in interface DatasourceImplementation<T extends EmbeddableEntity>

Overrides:

getItemsToDelete in class AbstractDatasource<T extends EmbeddableEntity>