org.fastnate.generator.statements

Class SequenceValueExpression

java.lang.Object

org.fastnate.generator.statements.SequenceValueExpression

All Implemented Interfaces:

ColumnExpression

Direct Known Subclasses:

CurrentSequenceValueExpression, NextSequenceValueExpression

public abstract class SequenceValueExpression
extends Object
implements ColumnExpression

Base class for ColumnExpressions which reference an ID by using the value of a sequence.

Author:

Tobias Liefke

Field Summary

Fields

Modifier and Type	Field and Description
private long	difference The difference of the referenced ID to the sequence value.
private SequenceIdGenerator	sequence The written sequence.

Constructor Summary

Constructors

Constructor and Description
SequenceValueExpression(SequenceIdGenerator sequence, long difference)

Method Summary

Modifier and Type	Method and Description
long	getDifference() The difference of the referenced ID to the sequence value.
SequenceIdGenerator	getSequence() The written sequence.
protected String	toSql(String sql) Builds the SQL expression by using the given SQL and the current difference.

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, toSql

Field Detail

sequence

private final SequenceIdGenerator sequence

The written sequence.

difference

private final long difference

The difference of the referenced ID to the sequence value.

Constructor Detail

SequenceValueExpression

@ConstructorProperties(value={"sequence","difference"})
 @Generated(value="lombok")
public SequenceValueExpression(SequenceIdGenerator sequence,
                                                                                                                     long difference)

Method Detail

toSql

protected String toSql(String sql)

Builds the SQL expression by using the given SQL and the current difference.

Parameters:

sql - the SQL expression that references the sequence

Returns:

the SQL expression that references the sequence and respects the difference

getSequence

@Generated(value="lombok")
public SequenceIdGenerator getSequence()

The written sequence.

getDifference

@Generated(value="lombok")
public long getDifference()

The difference of the referenced ID to the sequence value.