Package org.h2.command.ddl

Class SequenceOptions

java.lang.Object

org.h2.command.ddl.SequenceOptions

public class SequenceOptions
extends java.lang.Object

Sequence options.

Field Summary

Fields

Modifier and Type	Field	Description
private long[]	bounds
private Expression	cacheSize
private Sequence.Cycle	cycle
private TypeInfo	dataType
private Expression	increment
private Expression	maxValue
private Expression	minValue
private Sequence	oldSequence
private Expression	restart
private Expression	start

Constructor Summary

Constructors

Constructor	Description
SequenceOptions()	Creates new instance of sequence options.
SequenceOptions(Sequence oldSequence, TypeInfo dataType)	Creates new instance of sequence options.

Method Summary

Modifier and Type	Method	Description
private java.lang.Long	check(java.lang.Long value)
private void	copyFromOldSequence()
long[]	getBounds()
static long[]	getBounds(TypeInfo dataType)	Get the bounds (min, max) of a data type.
java.lang.Long	getCacheSize(SessionLocal session)	Gets cache size.
private long	getCurrentStart(Sequence sequence, SessionLocal session)
Sequence.Cycle	getCycle()	Gets cycle option.
TypeInfo	getDataType()
java.lang.Long	getIncrement(SessionLocal session)	Gets increment value.
private static java.lang.Long	getLong(SessionLocal session, Expression expr)
java.lang.Long	getMaxValue(Sequence sequence, SessionLocal session)	Gets max value.
java.lang.Long	getMinValue(Sequence sequence, SessionLocal session)	Gets min value.
java.lang.Long	getRestartValue(SessionLocal session, long startValue)	Gets restart value.
java.lang.Long	getStartValue(SessionLocal session)	Gets start value.
void	setCacheSize(Expression cacheSize)	Sets cache size.
void	setCycle(Sequence.Cycle cycle)	Sets cycle option.
void	setDataType(TypeInfo dataType)
void	setIncrement(Expression increment)	Sets increment value expression.
void	setMaxValue(Expression maxValue)	Sets max value expression.
void	setMinValue(Expression minValue)	Sets min value expression.
void	setRestartValue(Expression restart)	Sets restart value expression, or ValueExpression.DEFAULT.
void	setStartValue(Expression start)	Sets start value expression.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

dataType

private TypeInfo dataType

start

private Expression start

restart

private Expression restart

increment

private Expression increment

maxValue

private Expression maxValue

minValue

private Expression minValue

cycle

private Sequence.Cycle cycle

cacheSize

private Expression cacheSize

bounds

private long[] bounds

oldSequence

private final Sequence oldSequence

Constructor Detail

SequenceOptions

public SequenceOptions()

Creates new instance of sequence options.

SequenceOptions

public SequenceOptions(Sequence oldSequence,
                       TypeInfo dataType)

Creates new instance of sequence options.

Parameters:

oldSequence - the sequence to copy options from

dataType - the new data type

Method Detail

getLong

private static java.lang.Long getLong(SessionLocal session,
                                      Expression expr)

getDataType

public TypeInfo getDataType()

copyFromOldSequence

private void copyFromOldSequence()

setDataType

public void setDataType(TypeInfo dataType)

getStartValue

public java.lang.Long getStartValue(SessionLocal session)

Gets start value.

Parameters:

session - The session to calculate the value.

Returns:

start value or null if value is not defined.

setStartValue

public void setStartValue(Expression start)

Sets start value expression.

Parameters:

start - START WITH value expression.

getRestartValue

public java.lang.Long getRestartValue(SessionLocal session,
                                      long startValue)

Gets restart value.

Parameters:

session - the session to calculate the value

startValue - the start value to use if restart without value is specified

Returns:

restart value or null if value is not defined.

setRestartValue

public void setRestartValue(Expression restart)

Sets restart value expression, or ValueExpression.DEFAULT.

Parameters:

restart - RESTART WITH value expression, or ValueExpression.DEFAULT for simple RESTART

getIncrement

public java.lang.Long getIncrement(SessionLocal session)

Gets increment value.

Parameters:

session - The session to calculate the value.

Returns:

increment value or null if value is not defined.

setIncrement

public void setIncrement(Expression increment)

Sets increment value expression.

Parameters:

increment - INCREMENT BY value expression.

getMaxValue

public java.lang.Long getMaxValue(Sequence sequence,
                                  SessionLocal session)

Gets max value.

Parameters:

sequence - the sequence to get default max value.

session - The session to calculate the value.

Returns:

max value when the MAXVALUE expression is set, otherwise returns default max value.

setMaxValue

public void setMaxValue(Expression maxValue)

Sets max value expression.

Parameters:

maxValue - MAXVALUE expression.

getMinValue

public java.lang.Long getMinValue(Sequence sequence,
                                  SessionLocal session)

Gets min value.

Parameters:

sequence - the sequence to get default min value.

session - The session to calculate the value.

Returns:

min value when the MINVALUE expression is set, otherwise returns default min value.

setMinValue

public void setMinValue(Expression minValue)

Sets min value expression.

Parameters:

minValue - MINVALUE expression.

check

private java.lang.Long check(java.lang.Long value)

getBounds

public long[] getBounds()

getBounds

public static long[] getBounds(TypeInfo dataType)

Get the bounds (min, max) of a data type.

Parameters:

dataType - the data type

Returns:

the bounds (an array with 2 elements)

getCycle

public Sequence.Cycle getCycle()

Gets cycle option.

Returns:

cycle option value or null if is not defined.

setCycle

public void setCycle(Sequence.Cycle cycle)

Sets cycle option.

Parameters:

cycle - option value.

getCacheSize

public java.lang.Long getCacheSize(SessionLocal session)

Gets cache size.

Parameters:

session - The session to calculate the value.

Returns:

cache size or null if value is not defined.

setCacheSize

public void setCacheSize(Expression cacheSize)

Sets cache size.

Parameters:

cacheSize - cache size.

getCurrentStart

private long getCurrentStart(Sequence sequence,
                             SessionLocal session)