001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2012 SonarSource 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.core.persistence.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 static final String ID = "derby"; 035 036 public String getId() { 037 return ID; 038 } 039 040 public String getActiveRecordDialectCode() { 041 return "derby"; 042 } 043 044 public String getActiveRecordJdbcAdapter() { 045 return "jdbc"; 046 } 047 048 public Class<? extends org.hibernate.dialect.Dialect> getHibernateDialectClass() { 049 return DerbyWithDecimalDialect.class; 050 } 051 052 public boolean matchesJdbcURL(String jdbcConnectionURL) { 053 return StringUtils.startsWithIgnoreCase(jdbcConnectionURL, "jdbc:derby:"); 054 } 055 056 public String getDefaultDriverClassName() { 057 return "org.apache.derby.jdbc.ClientDriver"; 058 } 059 060 public String getConnectionInitStatement(String schema) { 061 return null; 062 } 063 064 public static class DerbyWithDecimalDialect extends DerbyDialect { 065 public DerbyWithDecimalDialect() { 066 super(); 067 registerColumnType(Types.DOUBLE, "decimal"); 068 registerColumnType(Types.VARCHAR, DatabaseProperties.MAX_TEXT_SIZE, "clob"); 069 registerColumnType(Types.VARBINARY, "blob"); 070 071 // Not possible to do alter column types in Derby 072 registerColumnType(Types.BIGINT, "integer"); 073 074 registerColumnType(Types.BIT, "boolean"); 075 } 076 077 @Override 078 public String toBooleanValueString(boolean bool) { 079 return bool ? "true" : "false"; 080 } 081 082 /** 083 * To be compliant with Oracle, we define on each model (ch.hortis.sonar.model classes) 084 * a sequence generator. It works on mySQL because strategy = GenerationType.AUTO, so 085 * it equals GenerationType.IDENTITY. 086 * But on derby, AUTO becomes TABLE instead of IDENTITY. So we explicitly change this behavior. 087 */ 088 @Override 089 public Class getNativeIdentifierGeneratorClass() { 090 return IdentityGenerator.class; 091 } 092 } 093 094 public String getTrueSqlValue() { 095 return "true"; 096 } 097 098 public String getFalseSqlValue() { 099 return "false"; 100 } 101 }