Package com.yahoo.document.update

Class ArithmeticValueUpdate

java.lang.Object

com.yahoo.document.update.ValueUpdate<DoubleFieldValue>

com.yahoo.document.update.ArithmeticValueUpdate

public class ArithmeticValueUpdate
extends ValueUpdate<DoubleFieldValue>

Value update representing an arithmetic operation on a numeric data type.

Author:

Einar M R Rosenvinge

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ArithmeticValueUpdate.Operator	Lists valid operations that can be performed by an ArithmeticValueUpdate.

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

ValueUpdate.ValueUpdateClassID

Field Summary

Fields

Modifier and Type	Field	Description
protected DoubleFieldValue	operand
protected ArithmeticValueUpdate.Operator	operator

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

valueUpdateClassID

Constructor Summary

Constructors

Constructor	Description
ArithmeticValueUpdate(ArithmeticValueUpdate.Operator operator, DoubleFieldValue operand)
ArithmeticValueUpdate(ArithmeticValueUpdate.Operator operator, java.lang.Number operand)

Method Summary

Modifier and Type	Method	Description
FieldValue	applyTo(FieldValue oldValue)
protected void	checkCompatibility(DataType fieldType)
boolean	equals(java.lang.Object o)
java.lang.Number	getOperand()	Returns the operand of this arithmetic value update.
ArithmeticValueUpdate.Operator	getOperator()	Returns the operator of this arithmatic value update.
DoubleFieldValue	getValue()	Returns the operand
int	hashCode()
void	serialize(DocumentUpdateWriter data, DataType superType)
void	setValue(DoubleFieldValue value)	Sets the operand
java.lang.String	toString()

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, getValueUpdateClassID

Methods inherited from class java.lang.Object

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

Field Detail

operator

protected ArithmeticValueUpdate.Operator operator

operand

protected DoubleFieldValue operand

Constructor Detail

ArithmeticValueUpdate

public ArithmeticValueUpdate(ArithmeticValueUpdate.Operator operator,
                             DoubleFieldValue operand)

ArithmeticValueUpdate

public ArithmeticValueUpdate(ArithmeticValueUpdate.Operator operator,
                             java.lang.Number operand)

Method Detail

getOperator

public ArithmeticValueUpdate.Operator getOperator()

Returns the operator of this arithmatic value update.

Returns:

the operator

See Also:

ArithmeticValueUpdate.Operator

getOperand

public java.lang.Number getOperand()

Returns the operand of this arithmetic value update.

Returns:

the operand

getValue

public DoubleFieldValue getValue()

Returns the operand

Specified by:

getValue in class ValueUpdate<DoubleFieldValue>

setValue

public void setValue(DoubleFieldValue value)

Sets the operand

Specified by:

setValue in class ValueUpdate<DoubleFieldValue>

applyTo

public FieldValue applyTo(FieldValue oldValue)

Specified by:

applyTo in class ValueUpdate<DoubleFieldValue>

checkCompatibility

protected void checkCompatibility(DataType fieldType)

Specified by:

checkCompatibility in class ValueUpdate<DoubleFieldValue>

serialize

public void serialize(DocumentUpdateWriter data,
                      DataType superType)

Specified by:

serialize in class ValueUpdate<DoubleFieldValue>

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class ValueUpdate<DoubleFieldValue>

hashCode

public int hashCode()

Overrides:

hashCode in class ValueUpdate<DoubleFieldValue>

toString

public java.lang.String toString()

Overrides:

toString in class ValueUpdate<DoubleFieldValue>