DatasourceValueSource (CUBA 7.2 API)

java.lang.Object
- com.haulmont.cuba.gui.components.data.value.DatasourceValueSource<E,V>

All Implemented Interfaces:: BeanLocatorAware, DataUnit, EntityDataUnit, EntityValueSource<E,V>, ValueSource<V>

public class DatasourceValueSource<E extends Entity,V>
extends java.lang.Object
implements EntityValueSource<E,V>, BeanLocatorAware

Nested Class Summary
- Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.components.data.meta.EntityValueSource
  EntityValueSource.InstanceChangeEvent<E extends Entity>
- Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.components.data.ValueSource
  ValueSource.ValueChangeEvent<V>
- Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.components.data.DataUnit
  DataUnit.StateChangeEvent

Field Summary

Fields
Modifier and Type	Field and Description
`protected boolean`	`dataModelSecurityEnabled`
`protected Datasource<E>`	`datasource`
`protected EventHub`	`events`
`protected MetaPropertyPath`	`metaPropertyPath`
`protected java.lang.String`	`property`
`protected BindingState`	`state`

Constructor Summary

Constructors
Constructor and Description

DatasourceValueSource(Datasource<E> datasource, java.lang.String property)

Constructors
Constructor and Description
`DatasourceValueSource(Datasource<E> datasource, java.lang.String property)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Subscription`	`addInstanceChangeListener(java.util.function.Consumer<EntityValueSource.InstanceChangeEvent<E>> listener)`
`Subscription`	`addStateChangeListener(java.util.function.Consumer<DataUnit.StateChangeEvent> listener)` Registers a new state change listener.
`Subscription`	`addValueChangeListener(java.util.function.Consumer<ValueSource.ValueChangeEvent<V>> listener)` Registers a new value change listener.
`protected void`	`datasourceItemChanged(Datasource.ItemChangeEvent e)`
`protected void`	`datasourceItemPropertyChanged(Datasource.ItemPropertyChangeEvent e)`
`protected void`	`datasourceStateChanged(Datasource.StateChangeEvent<E> e)`
`Datasource`	`getDatasource()`
`MetaClass`	`getEntityMetaClass()`
`E`	`getItem()`
`MetaPropertyPath`	`getMetaPropertyPath()`
`BindingState`	`getState()`
`java.lang.Class<V>`	`getType()`
`V`	`getValue()`
`boolean`	`isDataModelSecurityEnabled()`
`boolean`	`isModified()`
`boolean`	`isReadOnly()`
`void`	`setBeanLocator(BeanLocator beanLocator)`
`void`	`setDataModelSecurityEnabled(boolean enabled)` Sets data model security enabled for data binding.
`void`	`setModified(boolean modified)`
`void`	`setState(BindingState state)`
`void`	`setValue(java.lang.Object value)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - datasource
```
protected final Datasource<E extends Entity> datasource
```
  - metaPropertyPath
```
protected MetaPropertyPath metaPropertyPath
```
  - property
```
protected java.lang.String property
```
  - state
```
protected BindingState state
```
  - events
```
protected EventHub events
```
  - dataModelSecurityEnabled
```
protected boolean dataModelSecurityEnabled
```
- Constructor Detail
  - DatasourceValueSource
```
public DatasourceValueSource(Datasource<E> datasource,
                             java.lang.String property)
```
- Method Detail
  - setDataModelSecurityEnabled
```
public void setDataModelSecurityEnabled(boolean enabled)
```
    Sets data model security enabled for data binding.
    Caller may set false in order to disable built-in security check on data binding.
    
    Parameters:
    
    enabled - enabled flag
  - setBeanLocator
```
public void setBeanLocator(BeanLocator beanLocator)
```
    Specified by:
    
    setBeanLocator in interface BeanLocatorAware
  - setState
```
public void setState(BindingState state)
```
  - getDatasource
```
public Datasource getDatasource()
```
  - getEntityMetaClass
```
public MetaClass getEntityMetaClass()
```
    Specified by:
    
    getEntityMetaClass in interface EntityDataUnit
    
    Returns:
    
    MetaClass of an entity contained in the source
  - getMetaPropertyPath
```
public MetaPropertyPath getMetaPropertyPath()
```
    Specified by:
    
    getMetaPropertyPath in interface EntityValueSource<E extends Entity,V>
    
    Returns:
    
    property path
  - getItem
```
public E getItem()
```
    Specified by:
    
    getItem in interface EntityValueSource<E extends Entity,V>
    
    Returns:
    
    entity
  - isDataModelSecurityEnabled
```
public boolean isDataModelSecurityEnabled()
```
    Specified by:
    
    isDataModelSecurityEnabled in interface EntityValueSource<E extends Entity,V>
    
    Returns:
    
    true if data model security check is required on data binding
  - getValue
```
public V getValue()
```
    Specified by:
    
    getValue in interface ValueSource<V>
  - setValue
```
public void setValue(java.lang.Object value)
```
    Specified by:
    
    setValue in interface ValueSource<V>
  - isReadOnly
```
public boolean isReadOnly()
```
    Specified by:
    
    isReadOnly in interface ValueSource<V>
  - getType
```
public java.lang.Class<V> getType()
```
    Specified by:
    
    getType in interface ValueSource<V>
    
    Returns:
    
    type of value
  - getState
```
public BindingState getState()
```
    Specified by:
    
    getState in interface DataUnit
    
    Returns:
    
    a state of this source
  - isModified
```
public boolean isModified()
```
  - setModified
```
public void setModified(boolean modified)
```
  - addInstanceChangeListener
```
public Subscription addInstanceChangeListener(java.util.function.Consumer<EntityValueSource.InstanceChangeEvent<E>> listener)
```
    Specified by:
    
    addInstanceChangeListener in interface EntityValueSource<E extends Entity,V>
  - addStateChangeListener
```
public Subscription addStateChangeListener(java.util.function.Consumer<DataUnit.StateChangeEvent> listener)
```
    Description copied from interface: DataUnit
    
    Registers a new state change listener.
    
    Specified by:
    
    addStateChangeListener in interface DataUnit
    
    Parameters:
    
    listener - the listener to be added
    
    Returns:
    
    a registration object for removing an event listener added to a source
  - addValueChangeListener
```
public Subscription addValueChangeListener(java.util.function.Consumer<ValueSource.ValueChangeEvent<V>> listener)
```
    Description copied from interface: ValueSource
    
    Registers a new value change listener.
    
    Specified by:
    
    addValueChangeListener in interface ValueSource<V>
    
    Parameters:
    
    listener - the listener to be added
    
    Returns:
    
    a registration object for removing an event listener added to a source
  - datasourceItemChanged
```
protected void datasourceItemChanged(Datasource.ItemChangeEvent e)
```
  - datasourceStateChanged
```
protected void datasourceStateChanged(Datasource.StateChangeEvent<E> e)
```
  - datasourceItemPropertyChanged
```
protected void datasourceItemPropertyChanged(Datasource.ItemPropertyChangeEvent e)
```

Class DatasourceValueSource<E extends Entity,V>

Nested Class Summary

Nested classes/interfaces inherited from interface com.haulmont.cuba.gui.components.data.meta.EntityValueSource

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

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

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

datasource

metaPropertyPath

property

state

events

dataModelSecurityEnabled

Constructor Detail

DatasourceValueSource

Method Detail

setDataModelSecurityEnabled

setBeanLocator

setState

getDatasource

getEntityMetaClass

getMetaPropertyPath

getItem

isDataModelSecurityEnabled

getValue

setValue

isReadOnly

getType

getState

isModified

setModified

addInstanceChangeListener

addStateChangeListener

addValueChangeListener

datasourceItemChanged

datasourceStateChanged

datasourceItemPropertyChanged