org.h2.expression

Interface ParameterInterface

All Known Implementing Classes:

Parameter, ParameterRemote

public interface ParameterInterface

The interface for client side (remote) and server side parameters.

Method Summary

Modifier and Type	Method and Description
void	checkSet() Check if the value is set.
int	getNullable() Check if this column is nullable.
Value	getParamValue() Get the value of the parameter if set.
long	getPrecision() Get the expected precision of this parameter.
int	getScale() Get the expected scale of this parameter.
int	getType() Get the expected data type of the parameter if no value is set, or the data type of the value if one is set.
boolean	isValueSet() Is the value of a parameter set.
void	setValue(Value value, boolean closeOld) Set the value of the parameter.

Method Detail

setValue

void setValue(Value value,
              boolean closeOld)

Set the value of the parameter.

Parameters:

value - the new value

closeOld - if the old value (if one is set) should be closed

getParamValue

Value getParamValue()

Get the value of the parameter if set.

Returns:

the value or null

checkSet

void checkSet()
       throws DbException

Check if the value is set.

Throws:

DbException - if not set.

isValueSet

boolean isValueSet()

Is the value of a parameter set.

Returns:

true if set

getType

int getType()

Get the expected data type of the parameter if no value is set, or the data type of the value if one is set.

Returns:

the data type

getPrecision

long getPrecision()

Get the expected precision of this parameter.

Returns:

the expected precision

getScale

int getScale()

Get the expected scale of this parameter.

Returns:

the expected scale

getNullable

int getNullable()

Check if this column is nullable.

Returns:

Column.NULLABLE_*