Package 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

Field Summary

Fields

Modifier and Type	Field	Description
private final boolean	firstCall

Constructor Summary

Constructors

Constructor	Description
CurrentSequenceValueExpression(SequenceIdGenerator sequence, long difference, boolean firstCall)	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	Description
String	toSql()	Generates the SQL for this expression.

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

getDifference, getSequence, 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

Field Details

firstCall

private final boolean firstCall

Constructor Details

CurrentSequenceValueExpression

public CurrentSequenceValueExpression(SequenceIdGenerator sequence,
 long difference,
 boolean firstCall)

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

Parameters:

sequence - describes the sequence

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

firstCall - indicates, that this is the first call to the sequence in this session

Method Details

toSql

public String toSql()

Description copied from interface: ColumnExpression

Generates the SQL for this expression.

Returns:

the SQL string