com.whitestein.lsps.vaadin.forms.datasource

Class ValueProvider.ValueKeepingValueProvider

java.lang.Object

com.whitestein.lsps.vaadin.forms.datasource.ValueProvider.AbstractValueProvider

com.whitestein.lsps.vaadin.forms.datasource.ValueProvider.ValueKeepingValueProvider

All Implemented Interfaces:

ValueProvider, ValueWriter, Serializable

Enclosing interface:

ValueProvider

public static class ValueProvider.ValueKeepingValueProvider
extends ValueProvider.AbstractValueProvider
implements ValueWriter

Hold and keeps value independently of row object.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.whitestein.lsps.vaadin.forms.datasource.ValueProvider

ValueProvider.AbstractValueProvider, ValueProvider.DelegatingValueProvider, ValueProvider.LocalizingValueProvider, ValueProvider.MemoizingValueProvider, ValueProvider.ToStringValueProvider, ValueProvider.ValueKeepingValueProvider

Constructor Summary

Constructors

Constructor and Description
ValueKeepingValueProvider()

Method Summary

Modifier and Type	Method and Description
Object	call(Object input) Provides value for given row data object.
RecordHolder	getDefinition() Gets the LSPS object counterpart of this value provider.
Type	getValueType(Namespace namespace) Returns the value type provided by this provider (by calls to ValueProvider.call(Object).
void	writeValue(Object value) Writes the.

Methods inherited from class com.whitestein.lsps.vaadin.forms.datasource.ValueProvider.AbstractValueProvider

getComparator, getReturnJavaClass, memoize

Methods inherited from class java.lang.Object

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

Constructor Detail

ValueKeepingValueProvider

public ValueKeepingValueProvider()

Method Detail

getDefinition

public RecordHolder getDefinition()

Description copied from interface: ValueProvider

Gets the LSPS object counterpart of this value provider.

Specified by:

getDefinition in interface ValueProvider

Returns:

definition object, may be null if there is no counterpart.

getValueType

public Type getValueType(Namespace namespace)

Description copied from interface: ValueProvider

Returns the value type provided by this provider (by calls to ValueProvider.call(Object). When in doubt, return SimpleType.OBJECT.

Specified by:

getValueType in interface ValueProvider

Parameters:

namespace - calling namespace, not null.

Returns:

the type, not null.

call

public Object call(Object input)

Description copied from interface: ValueProvider

Provides value for given row data object.

Specified by:

call in interface ValueProvider

Parameters:

input - the input object, mostly RecordHolder, may be null.

Returns:

cell value, mostly String, may be null.

writeValue

public void writeValue(Object value)

Description copied from interface: ValueWriter

Writes the.

Specified by:

writeValue in interface ValueWriter

Parameters:

value - the value to write