Package db

Class ByteField

java.lang.Object

db.Field

db.ByteField

All Implemented Interfaces:

java.lang.Comparable<Field>

public class ByteField
extends Field

ByteField provides a wrapper for single signed byte data which is read or written to a Record.

Constructor Summary

Constructors

Constructor	Description
ByteField()	Construct a byte field with an initial value of 0.
ByteField(byte b)	Construct a byte field with an initial value of b.

Method Summary

Modifier and Type	Method	Description
int	compareTo(Field o)
boolean	equals(java.lang.Object obj)
byte[]	getBinaryData()	Get data as a byte array.
byte	getByteValue()	Get field as a byte value.
protected byte	getFieldType()	Return Field instance type as an integer value
long	getLongValue()	Get field as a long value.
java.lang.String	getValueAsString()
int	hashCode()
Field	newField()	Create new instance of this field type.
Field	newField(Field fieldValue)	Create new instance of this field type.
void	setByteValue(byte value)	Set field's byte value.
void	setLongValue(long value)	Set field's long value.
java.lang.String	toString()

Methods inherited from class db.Field

getBooleanValue, getIntValue, getShortValue, getString, isVariableLength, setBinaryData, setBooleanValue, setIntValue, setShortValue, setString

Methods inherited from class java.lang.Object

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

Constructor Detail

ByteField

public ByteField()

Construct a byte field with an initial value of 0.

ByteField

public ByteField(byte b)

Construct a byte field with an initial value of b.

Parameters:

b - initial value

Method Detail

getByteValue

public byte getByteValue()

Description copied from class: Field

Get field as a byte value.

Overrides:

getByteValue in class Field

Returns:

byte value

setByteValue

public void setByteValue(byte value)

Description copied from class: Field

Set field's byte value.

Overrides:

setByteValue in class Field

Parameters:

value - byte value

getFieldType

protected byte getFieldType()

Description copied from class: Field

Return Field instance type as an integer value

Specified by:

getFieldType in class Field

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getValueAsString

public java.lang.String getValueAsString()

Specified by:

getValueAsString in class Field

equals

public boolean equals(java.lang.Object obj)

Specified by:

equals in class Field

compareTo

public int compareTo(Field o)

newField

public Field newField(Field fieldValue)

Description copied from class: Field

Create new instance of this field type.

Specified by:

newField in class Field

Parameters:

fieldValue - initial field value.

Returns:

long

newField

public Field newField()

Description copied from class: Field

Create new instance of this field type.

Specified by:

newField in class Field

Returns:

long

getLongValue

public long getLongValue()

Description copied from class: Field

Get field as a long value. All fixed-length field objects must implement this method

Overrides:

getLongValue in class Field

Returns:

long value

setLongValue

public void setLongValue(long value)

Description copied from class: Field

Set field's long value. All fixed-length field objects must implement this method

Overrides:

setLongValue in class Field

Parameters:

value - long value

getBinaryData

public byte[] getBinaryData()

Description copied from class: Field

Get data as a byte array.

Specified by:

getBinaryData in class Field

Returns:

byte[]

hashCode

public int hashCode()

Specified by:

hashCode in class Field