001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2009 SonarSource SA 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.api.database.dialect; 021 022 import org.apache.commons.lang.StringUtils; 023 import org.hibernate.dialect.DerbyDialect; 024 import org.hibernate.id.IdentityGenerator; 025 import org.sonar.api.database.DatabaseProperties; 026 027 import java.sql.Types; 028 029 /** 030 * @since 1.12 031 */ 032 public class Derby implements Dialect { 033 034 public String getId() { 035 return "derby"; 036 } 037 038 public String getActiveRecordDialectCode() { 039 return "derby"; 040 } 041 042 public Class<? extends org.hibernate.dialect.Dialect> getHibernateDialectClass() { 043 return DerbyWithDecimalDialect.class; 044 } 045 046 public boolean matchesJdbcURL(String jdbcConnectionURL) { 047 return StringUtils.startsWithIgnoreCase(jdbcConnectionURL, "jdbc:derby:"); 048 } 049 050 public static class DerbyWithDecimalDialect extends DerbyDialect { 051 public DerbyWithDecimalDialect() { 052 super(); 053 registerColumnType(Types.DOUBLE, "decimal"); 054 registerColumnType(Types.VARCHAR, DatabaseProperties.MAX_TEXT_SIZE, "clob"); 055 registerColumnType(Types.VARBINARY, "blob"); 056 057 // Not possible to do alter column types in Derby 058 registerColumnType(Types.BIGINT, "integer"); 059 } 060 061 /** 062 * To be compliant with Oracle, we define on each model (ch.hortis.sonar.model classes) 063 * a sequence generator. It works on mySQL because strategy = GenerationType.AUTO, so 064 * it equals GenerationType.IDENTITY. 065 * But on derby, AUTO becomes TABLE instead of IDENTITY. So we explicitly change this behavior. 066 */ 067 @Override 068 public Class getNativeIdentifierGeneratorClass() { 069 return IdentityGenerator.class; 070 } 071 } 072 073 }