/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.amber.type;
import com.caucho.amber.idgen.AmberTableGenerator;
import com.caucho.amber.manager.AmberPersistenceUnit;
import com.caucho.amber.table.AmberColumn;
import com.caucho.amber.table.AmberTable;
import com.caucho.config.ConfigException;
import com.caucho.util.L10N;
import java.sql.SQLException;
import java.util.HashMap;
/**
* A type which represents a table or a portion.
*/
public class GeneratorTableType extends AmberType {
private static final L10N L = new L10N(GeneratorTableType.class);
private AmberPersistenceUnit _amberPersistenceUnit;
private AmberTable _table;
private String _keyColumn = "GEN_KEY";
private String _valueColumn = "GEN_VALUE";
private HashMap<String,AmberTableGenerator> _genMap =
new HashMap<String,AmberTableGenerator>();
public GeneratorTableType(AmberPersistenceUnit amberPersistenceUnit, String name)
{
_amberPersistenceUnit = amberPersistenceUnit;
_table = amberPersistenceUnit.createTable(name);
}
/**
* Returns the amber manager.
*/
public AmberPersistenceUnit getAmberManager()
{
return _amberPersistenceUnit;
}
/**
* Returns the name.
*/
public String getName()
{
return "Generator";
}
/**
* Returns the table.
*/
public AmberTable getTable()
{
return _table;
}
/**
* Returns the key name.
*/
public String getKeyColumn()
{
return _keyColumn;
}
/**
* Returns the value name.
*/
public String getValueColumn()
{
return _valueColumn;
}
/**
* Creates a new generator.
*/
public AmberTableGenerator createGenerator(String name)
{
synchronized (_genMap) {
AmberTableGenerator gen = _genMap.get(name);
if (gen == null) {
gen = new AmberTableGenerator(getAmberManager(), this, name);
_genMap.put(name, gen);
}
return gen;
}
}
/**
* Initialize the table.
*/
public void init()
throws ConfigException
{
AmberColumn keyColumn = getTable().createColumn(_keyColumn,
StringType.create());
keyColumn.setPrimaryKey(true);
keyColumn.setLength(254);
AmberColumn valueColumn = getTable().createColumn(_valueColumn,
LongType.create());
}
public void start()
{
if (getAmberManager().getCreateDatabaseTables())
getTable().createDatabaseTable(getAmberManager());
for (AmberTableGenerator gen : _genMap.values()) {
try {
gen.init(getAmberManager());
} catch (SQLException e) {
throw ConfigException.create(e);
}
}
}
/**
* Printable version of the entity.
*/
public String toString()
{
return "GeneratorTableType[" + getName() + "]";
}
}