Class ANSISequenceSupport

java.lang.Object

org.hibernate.dialect.sequence.spi.ANSISequenceSupport

All Implemented Interfaces:

SequenceSupport

Direct Known Subclasses:

DB2SequenceSupport

@SPI({USE,IMPLEMENT})
public class ANSISequenceSupport
extends Object
implements SequenceSupport

Standard family base for databases using the ANSI next value for expression and ordinary create/drop sequence grammar.

Extend this class only when the database retains the ANSI next-value expression. Override the non-final previous-value or DDL methods for the database-specific differences and delegate unchanged behavior to super.

Since:

8.0

Constructor Summary

Constructors

Constructor	Description
ANSISequenceSupport()	Create an ANSI sequence-support strategy or provider subclass.

Method Summary

Modifier and Type	Method	Description
final String	getSelectSequenceNextValString(String sequenceName)	Render the expression which obtains the next value inside another SQL statement.
String	getSelectSequencePreviousValString(String sequenceName)	Render the expression which obtains the previous value inside another SQL statement.

Methods inherited from class Object

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

Methods inherited from interface SequenceSupport

getCreateSequenceString, getCreateSequenceString, getCreateSequenceStrings, getCreateSequenceStrings, getDropSequenceString, getDropSequenceStrings, getFromDual, getRestartSequenceString, getSequenceNextValString, getSequenceNextValString, getSequencePreviousValString, sometimesNeedsStartingValue, startingValue, supportsPooledSequences, supportsSequences

Constructor Details

ANSISequenceSupport

@SPI(IMPLEMENT)
public ANSISequenceSupport()

Create an ANSI sequence-support strategy or provider subclass.

Method Details

getSelectSequenceNextValString

public final String getSelectSequenceNextValString(String sequenceName)

Description copied from interface: SequenceSupport

Render the expression which obtains the next value inside another SQL statement. Do not include a surrounding select statement.

Specified by:

getSelectSequenceNextValString in interface SequenceSupport

Parameters:

sequenceName - the qualified sequence name

Returns:

the next-value expression

getSelectSequencePreviousValString

public String getSelectSequencePreviousValString(String sequenceName)
                                          throws MappingException

Description copied from interface: SequenceSupport

Render the expression which obtains the previous value inside another SQL statement. Override this method only when the database exposes such an expression.

Specified by:

getSelectSequencePreviousValString in interface SequenceSupport

Parameters:

sequenceName - the qualified sequence name

Returns:

the previous-value expression

Throws:

MappingException - when the operation is unsupported