Package db

Class BooleanField

java.lang.Object

db.Field

db.BooleanField

All Implemented Interfaces:

java.lang.Comparable<Field>

public final class BooleanField
extends Field

BooleanField provides a wrapper for boolean 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

Change	Modifier and Type	Field	Description
NEW	static BooleanField	INSTANCE	Instance intended for defining a Table Schema
NEW	static BooleanField	MAX_VALUE	Maximum boolean field value (TRUE)
NEW	static BooleanField	MIN_VALUE	Minimum boolean field value (FALSE)

Fields inherited from class db.Field

EMPTY_ARRAY

Constructor Summary

Constructors

Change	Constructor	Description
BooleanField()	Construct a boolean data field with an initial value of false.
BooleanField(boolean b)	Construct a boolean data field with an initial value of b.

Method Summary

Change	Modifier and Type	Method	Description
	int	compareTo(Field o)
NEW	BooleanField	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.
	boolean	getBooleanValue()	Get field as a boolean value.
	long	getLongValue()	Get field as a long value.
	java.lang.String	getValueAsString()	Get field value as a formatted string
	int	hashCode()
MODIFIED	BooleanField	newField()	Create new instance of this field type.
	void	setBinaryData(byte[] bytes)	Set data from binary byte array.
	void	setBooleanValue(boolean b)	Set field's boolean value.
	java.lang.String	toString()
REMOVED	Field	newField(Field fieldValue)	(Removed)

Methods inherited from class db.Field

canIndex, getByteValue, getIntValue, getShortValue, getString, isSameType, isVariableLength, setByteValue, setIntValue, setLongValue, setShortValue, setString

Methods inherited from class java.lang.Object

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

Field Detail

MIN_VALUE NEW

public static final BooleanField MIN_VALUE

Minimum boolean field value (FALSE)

MAX_VALUE NEW

public static final BooleanField MAX_VALUE

Maximum boolean field value (TRUE)

INSTANCE NEW

public static final BooleanField INSTANCE

Instance intended for defining a Table Schema

Constructor Detail

BooleanField

public BooleanField()

Construct a boolean data field with an initial value of false.

BooleanField

public BooleanField(boolean b)

Construct a boolean data field with an initial value of b.

Parameters:

b - initial value

Method Detail

getBooleanValue

public boolean getBooleanValue()

Description copied from class: Field

Get field as a boolean value.

Overrides:

getBooleanValue in class Field

Returns:

boolean value

setBooleanValue

public void setBooleanValue(boolean b)

Description copied from class: Field

Set field's boolean value.

Overrides:

setBooleanValue in class Field

Parameters:

b - boolean 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 NEW

public BooleanField 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 MODIFIED

return type: Field → BooleanField

-db.Field newField()

+db.BooleanField newField()

public BooleanField 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

getBinaryData

public byte[] getBinaryData()

Description copied from class: Field

Get data as a byte array.

Specified by:

getBinaryData in class Field

Returns:

byte[]

setBinaryData NEW

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