/*
* Copyright (c) 1998-2011 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 Rodrigo Westrupp
*/
package com.caucho.amber.cfg;
import com.caucho.amber.field.PropertyField;
import com.caucho.amber.manager.AmberPersistenceUnit;
import com.caucho.amber.table.AmberColumn;
import com.caucho.amber.table.AmberTable;
import com.caucho.amber.type.AmberType;
import com.caucho.amber.type.BeanType;
import com.caucho.amber.type.EntityType;
import com.caucho.config.ConfigException;
import com.caucho.util.L10N;
import java.io.Serializable;
import java.lang.reflect.AccessibleObject;
import java.util.HashSet;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.FetchType;
import javax.persistence.TemporalType;
/**
* <basic> tag in the orm.xml
*/
class BasicConfig extends AbstractConfig
{
private static final L10N L = new L10N(BasicConfig.class);
// types allowed with a @Basic annotation
private static HashSet<String> _basicTypes = new HashSet<String>();
private BaseConfigIntrospector _introspector;
private BeanType _sourceType;
private AccessibleObject _field;
private String _fieldName;
private Class _fieldType;
// attributes
private String _name;
private FetchType _fetch = FetchType.EAGER;
private boolean _isOptional = true;
// elements
private ColumnConfig _column;
// XXX: lob type?
private String _lob;
private TemporalType _temporal;
private EnumType _enumerated;
BasicConfig(BaseConfigIntrospector introspector,
BeanType sourceType,
AccessibleObject field,
String fieldName,
Class fieldType)
{
_introspector = introspector;
_sourceType = sourceType;
_field = field;
_fieldName = fieldName;
_fieldType = fieldType;
introspect();
}
/**
* Returns the name.
*/
public String getName()
{
return _name;
}
/**
* Sets the name.
*/
public void setName(String name)
{
_name = name;
}
/**
* Returns the fetch type.
*/
public FetchType getFetch()
{
return _fetch;
}
/**
* Sets the fetch type.
*/
public void setFetch(String fetch)
{
_fetch = FetchType.valueOf(fetch);
}
public boolean isFetchLazy()
{
return _fetch == FetchType.LAZY;
}
/**
* Returns the optional.
*/
public boolean getOptional()
{
return _isOptional;
}
/**
* Sets the optional.
*/
public void setOptional(boolean optional)
{
_isOptional = optional;
}
/**
* Returns the column.
*/
public ColumnConfig getColumn()
{
return _column;
}
/**
* Sets the column.
*/
public void setColumn(ColumnConfig column)
{
_column = column;
}
/**
* Returns the lob.
*/
public String getLob()
{
return _lob;
}
/**
* Sets the lob.
*/
public void setLob(String lob)
{
_lob = lob;
}
/**
* Returns the temporal.
*/
public TemporalType getTemporal()
{
return _temporal;
}
/**
* Sets the temporal.
*/
public void setTemporal(String temporal)
{
_temporal = TemporalType.valueOf(temporal);
}
/**
* Returns the enumerated.
*/
public EnumType getEnumerated()
{
return _enumerated;
}
/**
* Sets the enumerated.
*/
public void setEnumerated(String enumerated)
{
_enumerated = EnumType.valueOf(enumerated);
}
private void introspect()
throws ConfigException
{
if (_basicTypes.contains(_fieldType.getName())) {
}
else if (Serializable.class.isAssignableFrom(_fieldType)) {
}
else
throw error(_field, L.l("{0} is an invalid @Basic type for {1}.",
_fieldType, _fieldName));
Basic basicAnn = _field.getAnnotation(Basic.class);
if (basicAnn != null) {
_fetch = basicAnn.fetch();
_isOptional = basicAnn.optional();
}
Column columnAnn = _field.getAnnotation(Column.class);
if (columnAnn != null)
_column = new ColumnConfig(columnAnn);
else
_column = new ColumnConfig();
if (_column.getName().equals(""))
_column.setName(toSqlName(_fieldName));
Enumerated enumeratedAnn = _field.getAnnotation(Enumerated.class);
if (enumeratedAnn != null)
_enumerated = enumeratedAnn.value();
}
@Override
public void complete()
{
PropertyField property = new PropertyField(_sourceType, _fieldName);
AmberPersistenceUnit persistenceUnit = _sourceType.getPersistenceUnit();
AmberType amberType;
if (_enumerated == null)
amberType = persistenceUnit.createType(_fieldType);
else {
com.caucho.amber.type.EnumType enumType;
enumType = persistenceUnit.createEnum(_fieldType.getName(),
_fieldType);
enumType.setOrdinal(_enumerated == javax.persistence.EnumType.ORDINAL);
amberType = enumType;
}
// jpa/0w24
property.setType(amberType);
property.setLazy(isFetchLazy());
AmberColumn fieldColumn = createColumn(amberType);
property.setColumn(fieldColumn);
/*
field.setInsertable(insertable);
field.setUpdateable(updateable);
*/
_sourceType.addField(property);
}
private AmberColumn createColumn(AmberType amberType)
throws ConfigException
{
String name = _column.getName();
AmberColumn column = null;
if (_sourceType instanceof EntityType) {
EntityType entityType = (EntityType) _sourceType;
String tableName = _column.getTable();
AmberTable table;
if (tableName.equals("")) {
table = entityType.getTable();
if (table == null)
throw error(_field, L.l("{0} @Column(name='{1}') is an unknown table.",
_fieldName,
name));
}
else {
table = entityType.getSecondaryTable(tableName);
if (table == null)
throw error(_field, L.l("{0} @Column(table='{1}') is an unknown secondary table.",
_fieldName,
tableName));
}
column = table.createColumn(name, amberType);
}
else { // embeddable
column = new AmberColumn(null, name, amberType);
}
// primaryKey = column.primaryKey();
column.setUnique(_column.isUnique());
column.setNotNull(! _column.isNullable());
//insertable = column.insertable();
//updateable = column.updatable();
if (! "".equals(_column.getColumnDefinition()))
column.setSQLType(_column.getColumnDefinition());
column.setLength(_column.getLength());
int precision = _column.getPrecision();
if (precision < 0) {
throw error(_field, L.l("{0} @Column precision cannot be less than 0.",
_fieldName));
}
int scale = _column.getScale();
if (scale < 0) {
throw error(_field, L.l("{0} @Column scale cannot be less than 0.",
_fieldName));
}
// this test implicitly works for case where
// precision is not set explicitly (ie: set to 0 by default)
// and scale is set
if (precision < scale) {
throw error(_field, L.l("{0} @Column scale cannot be greater than precision. Must set precision to a non-zero value before setting scale.",
_fieldName));
}
if (precision > 0) {
column.setPrecision(precision);
column.setScale(scale);
}
return column;
}
static {
// non-serializable types allowed with a @Basic annotation
_basicTypes.add("boolean");
_basicTypes.add("byte");
_basicTypes.add("char");
_basicTypes.add("short");
_basicTypes.add("int");
_basicTypes.add("long");
_basicTypes.add("float");
_basicTypes.add("double");
_basicTypes.add("[byte");
_basicTypes.add("[char");
_basicTypes.add("[java.lang.Byte");
_basicTypes.add("[java.lang.Character");
}
}