org.axiondb.types

Class BooleanType

public class BooleanType extends BaseDataType

A DataTyperepresenting a Boolean value.

Version: $Revision: 1.15 $ $Date: 2005/10/13 02:25:32 $

Author: Rodney Waldhoff Ahimanikya Satapathy

Constructor Summary
	BooleanType()

Method Summary
boolean	accepts(Object value) Returns `true` iff value is `null`, or a `Boolean`.
Object	convert(Object value) Returns a `Boolean` converted from the given value , or throws IllegalArgumentExceptionif the given value isn't `acceptable`.
int	getColumnDisplaySize()
Comparator	getComparator()
int	getJdbcType()
int	getPrecision()
String	getPreferredValueClassName()
DataType	makeNewInstance()
Object	read(DataInput in)
boolean	toBoolean(Object value)
String	toString() Returns `"boolean"`
void	write(Object value, DataOutput out) Writes the given value to the given `DataOutput`.

Constructor Detail

BooleanType

public BooleanType()

Method Detail

accepts

public boolean accepts(Object value)

Returns true iff value is null, or a Boolean.

convert

public Object convert(Object value)

Returns a Boolean converted from the given value , or throws IllegalArgumentExceptionif the given value isn't acceptable.

getColumnDisplaySize

public int getColumnDisplaySize()

getComparator

public Comparator getComparator()

getJdbcType

public int getJdbcType()

Returns: Types#BOOLEAN

getPrecision

public int getPrecision()

getPreferredValueClassName

public String getPreferredValueClassName()

makeNewInstance

public DataType makeNewInstance()

read

public Object read(DataInput in)

toBoolean

public boolean toBoolean(Object value)

toString

public String toString()

Returns "boolean"

Returns: "boolean"

write

public void write(Object value, DataOutput out)

Writes the given value to the given DataOutput. Null values are written as (byte)-1, false values are written as (byte)0, true values are written as (byte)1.

Parameters: value the value to write, which must be acceptable