org.fastnate.generator.statements

Class CurrentSequenceValueExpression

java.lang.Object

org.fastnate.generator.statements.SequenceValueExpression

org.fastnate.generator.statements.CurrentSequenceValueExpression

All Implemented Interfaces:

ColumnExpression

public class CurrentSequenceValueExpression
extends SequenceValueExpression

A ColumnExpression which references an ID using the current value of a sequence.

Author:

Tobias Liefke

Constructor Summary

Constructors

Constructor and Description
CurrentSequenceValueExpression(GeneratorDialect dialect, String sequenceName, int incrementSize, long difference) Creates a new instance of an expression that references an ID by using the current value of a sequence.

Method Summary

Modifier and Type	Method and Description
String	toSql() Generates the SQL for this expression.

Methods inherited from class org.fastnate.generator.statements.SequenceValueExpression

getDialect, getDifference, getIncrementSize, getSequenceName, toSql

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.fastnate.generator.statements.ColumnExpression

appendSql

Constructor Detail

CurrentSequenceValueExpression

public CurrentSequenceValueExpression(GeneratorDialect dialect,
                                      String sequenceName,
                                      int incrementSize,
                                      long difference)

Creates a new instance of an expression that references an ID by using the current value of a sequence.

Parameters:

dialect - the dialect of the current database

sequenceName - the name of the sequence

incrementSize - the expected incrementSize, as given in the schema - used by some dialects to ensure that exactly that inrement is used.

difference - the difference of the referenced ID to the sequence value

Method Detail

toSql

public String toSql()

Description copied from interface: ColumnExpression

Generates the SQL for this expression.

Returns:

the SQL string