Package db

Class ByteField

java.lang.Object

db.Field

db.ByteField

All Implemented Interfaces:

java.lang.Comparable<Field>

public final class ByteField
extends Field

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

Nested Class Summary

Nested classes/interfaces inherited from class db.Field

Field.UnsupportedFieldException

Field Summary

Fields

Modifier and Type	Field	Description
static ByteField	INSTANCE	Instance intended for defining a Table Schema
static ByteField	MAX_VALUE	Maximum byte field value
static ByteField	MIN_VALUE	Minimum byte field value
static ByteField	ZERO_VALUE	Zero byte field value

Fields inherited from class db.Field

EMPTY_ARRAY

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)
ByteField	copyField()	Create new instance of this field with the same value.
boolean	equals(java.lang.Object obj)
byte[]	getBinaryData()	Get data as a byte array.
byte	getByteValue()	Get field as a byte value.
long	getLongValue()	Get field as a long value.
java.lang.String	getValueAsString()	Get field value as a formatted string
int	hashCode()
ByteField	newField()	Create new instance of this field type.
void	setBinaryData(byte[] bytes)	Set data from binary byte array.
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

canIndex, getBooleanValue, getIntValue, getShortValue, getString, isSameType, isVariableLength, setBooleanValue, setIntValue, setShortValue, setString

Methods inherited from class java.lang.Object

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

Field Detail

MIN_VALUE

public static final ByteField MIN_VALUE

Minimum byte field value

MAX_VALUE

public static final ByteField MAX_VALUE

Maximum byte field value

ZERO_VALUE

public static final ByteField ZERO_VALUE

Zero byte field value

INSTANCE

public static final ByteField INSTANCE

Instance intended for defining a Table Schema

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

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getValueAsString

public java.lang.String getValueAsString()

Description copied from class: Field

Get field value as a formatted string

Specified by:

getValueAsString in class Field

Returns:

field value string

equals

public boolean equals(java.lang.Object obj)

Specified by:

equals in class Field

compareTo

public int compareTo(Field o)

copyField

public ByteField copyField()

Description copied from class: Field

Create new instance of this field with the same value.

Specified by:

copyField in class Field

Returns:

new field instance with same value

newField

public ByteField newField()

Description copied from class: Field

Create new instance of this field type.

Specified by:

newField in class Field

Returns:

new field instance with undefined initial value

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[]

setBinaryData

public void setBinaryData(byte[] bytes)

Description copied from class: Field

Set data from binary byte array. All variable-length fields must implement this method.

Specified by:

setBinaryData in class Field

Parameters:

bytes - field data

hashCode

public int hashCode()

Specified by:

hashCode in class Field