Package com.yahoo.document.update

Class ClearValueUpdate

java.lang.Object

com.yahoo.document.update.ValueUpdate

com.yahoo.document.update.ClearValueUpdate

public class ClearValueUpdate
extends ValueUpdate

Value update that represents clearing a field. Clearing a field mean removing it.

Author:

Einar M R Rosenvinge

Nested Class Summary

Nested classes/interfaces inherited from class com.yahoo.document.update.ValueUpdate

ValueUpdate.ValueUpdateClassID

Field Summary

Fields inherited from class com.yahoo.document.update.ValueUpdate

valueUpdateClassID

Constructor Summary

Constructors

Constructor	Description
ClearValueUpdate()

Method Summary

Modifier and Type	Method	Description
FieldValue	applyTo(FieldValue fval)
protected void	checkCompatibility(DataType fieldType)
FieldValue	getValue()	Returns the primary "value" of this update, or null if this kind of update has no value
void	serialize(DocumentUpdateWriter data, DataType superType)
void	setValue(FieldValue value)	Sets the value of this.

Methods inherited from class com.yahoo.document.update.ValueUpdate

createAdd, createAdd, createAddAll, createAddAll, createAssign, createClear, createDecrement, createDecrement, createDivide, createDivide, createIncrement, createIncrement, createMap, createMultiply, createMultiply, createRemove, createRemoveAll, createRemoveAll, equals, getValueUpdateClassID, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ClearValueUpdate

public ClearValueUpdate()

Method Detail

applyTo

public FieldValue applyTo(FieldValue fval)

Specified by:

applyTo in class ValueUpdate

checkCompatibility

protected void checkCompatibility(DataType fieldType)

Specified by:

checkCompatibility in class ValueUpdate

getValue

public FieldValue getValue()

Description copied from class: ValueUpdate

Returns the primary "value" of this update, or null if this kind of update has no value

Specified by:

getValue in class ValueUpdate

setValue

public void setValue(FieldValue value)

Description copied from class: ValueUpdate

Sets the value of this. Ignored by update who have no value

Specified by:

setValue in class ValueUpdate

serialize

public void serialize(DocumentUpdateWriter data,
                      DataType superType)

Specified by:

serialize in class ValueUpdate