com.googlecode.jinahya.sql
Class SequenceManager

java.lang.Object
  com.googlecode.jinahya.sql.SequenceManager

Direct Known Subclasses:

OracleSequenceManager, TableSequenceManager

public abstract class SequenceManager
extends java.lang.Object

Abstract SequenceGenerator implementation.

Author:

Jin Kwon

Constructor Summary

SequenceManager(javax.sql.DataSource dataSource, int minimumSize, int maximumSize)
Creates a new instance.

Method Summary

protected abstract void	fetchNextValues(java.sql.Connection connection, java.lang.String sequenceName, java.util.List<java.lang.Long> sequenceValues, int fetchCount) Fetch sequence values.
protected java.sql.Connection	getConnection() Returns a Connection.
int	getMaximumSize() Returns maximumSize.
int	getMinimumSize() Returns minimumSize.
java.lang.Long	getNextValue(java.lang.String sequenceName) Returns next id value identified by given name.

Methods inherited from class java.lang.Object

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

Constructor Detail

SequenceManager

public SequenceManager(javax.sql.DataSource dataSource,
                       int minimumSize,
                       int maximumSize)

Creates a new instance.

Parameters:

dataSource - data source

minimumSize - minimum count

maximumSize - maximum count

Method Detail

getNextValue

public java.lang.Long getNextValue(java.lang.String sequenceName)
                            throws java.sql.SQLException

Returns next id value identified by given name.

Parameters:

sequenceName - sequence name

Returns:

next sequence value

Throws:

java.sql.SQLException - if an SQL error occurs.

fetchNextValues

protected abstract void fetchNextValues(java.sql.Connection connection,
                                        java.lang.String sequenceName,
                                        java.util.List<java.lang.Long> sequenceValues,
                                        int fetchCount)
                                 throws java.sql.SQLException

Fetch sequence values.

Parameters:

connection - connection

sequenceName - sequence name

sequenceValues - sequence value list

fetchCount - number of value to fetch

Throws:

java.sql.SQLException - if an SQL error occurs.

getConnection

protected final java.sql.Connection getConnection()
                                           throws java.sql.SQLException

Returns a Connection.

Returns:

the Connection

Throws:

java.sql.SQLException - if an SQL error occurs.

getMinimumSize

public final int getMinimumSize()

Returns minimumSize.

Returns:

minimumSize

getMaximumSize

public final int getMaximumSize()

Returns maximumSize.

Returns:

maximumSize