Mercurial > dive4elements > river

annotate flys-backend/src/main/java/org/dive4elements/river/backend/SessionFactoryProvider.java @ 5828:dfb26b03b179

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Moved directories to org.dive4elements.river
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 11:53:11 +0200
parents flys-backend/src/main/java/de/intevation/flys/backend/SessionFactoryProvider.java@a2da78fdbec0
children 18619c1e7c2a
rev   line source
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1 package de.intevation.flys.backend;
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2
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3 import java.util.Properties;
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4
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5 import org.apache.log4j.Logger;
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6
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7 import org.hibernate.SessionFactory;
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8
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9 import org.hibernate.cfg.Configuration;
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10 import org.hibernate.cfg.Environment;
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11
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12 import org.hibernate.impl.SessionFactoryImpl;
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14 public final class SessionFactoryProvider
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15 {
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16 private static Logger log = Logger.getLogger(SessionFactoryProvider.class);
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17
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18 //public static final boolean ENABLE_JMX =
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19 // Boolean.getBoolean("flys.backend.enablejmx");
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20
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21 private static SessionFactory flysSessionFactory;
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22 private static SessionFactory sedDBSessionFactory;
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23
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24 private SessionFactoryProvider() {
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25 }
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26
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27 public static synchronized SessionFactory getSessionFactory() {
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28 if (flysSessionFactory == null) {
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29 flysSessionFactory =
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30 createSessionFactory(FLYSCredentials.getInstance());
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31 }
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32 return flysSessionFactory;
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33 }
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34
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35 public static SessionFactory createSessionFactory() {
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36 return createSessionFactory(FLYSCredentials.getDefault());
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37 }
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39 public static synchronized SessionFactory getSedDBSessionFactory() {
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40 if (sedDBSessionFactory == null) {
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41 sedDBSessionFactory =
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42 createSessionFactory(SedDBCredentials.getInstance());
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43 }
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44 return sedDBSessionFactory;
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45 }
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47 public static SessionFactory createSedDBSessionFactory() {
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48 return createSessionFactory(SedDBCredentials.getDefault());
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49 }
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50
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51 public static SessionFactory createSessionFactory(
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52 Credentials credentials
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53 ) {
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54 Configuration cfg = createConfiguration(credentials);
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55
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56 SessionFactory factory = cfg.buildSessionFactory();
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57
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58 /*
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59 if (ENABLE_JMX) {
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60 registerAsMBean(factory);
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61 }
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62 else {
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63 log.info("No JMX support for hibernate.");
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64 }
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65 */
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66
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67 return factory;
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68 }
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69
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70 /** XXX: Commented out till it is configured correctly.
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71 public static void registerAsMBean(SessionFactory factory) {
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72
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73 //
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74
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75 StatisticsService statsMBean = new StatisticsService();
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76 statsMBean.setSessionFactory(factory);
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77 statsMBean.setStatisticsEnabled(true);
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78
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79 try {
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80 MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
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81 mbs.registerMBean(
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82 statsMBean,
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83 new ObjectName("Hibernate:application=Statistics"));
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84
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85 log.info("Enabled JMX support for hibernate.");
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86 }
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87 catch (MalformedObjectNameException mone) {
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88 log.warn(mone, mone);
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89 }
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90 catch (InstanceAlreadyExistsException iaee) {
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91 log.warn(iaee, iaee);
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92 }
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93 catch (MBeanRegistrationException mbre) {
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94 log.warn(mbre, mbre);
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95 }
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96 catch (NotCompliantMBeanException ncmbe) {
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97 log.warn(ncmbe, ncmbe);
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98 }
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99 }
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100 */
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101
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102 public static Configuration createConfiguration() {
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103 return createConfiguration(FLYSCredentials.getInstance());
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104 }
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105
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106 public static Configuration createConfiguration(
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107 Credentials credentials
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108 ) {
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109 Configuration cfg = new Configuration();
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110
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111 for (Class<?> clazz: credentials.getClasses()) {
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112 cfg.addAnnotatedClass(clazz);
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113 }
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114
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115 if (log.isDebugEnabled()) {
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116 log.debug("user: " + credentials.getUser());
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117 log.debug("dialect: " + credentials.getDialect());
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118 log.debug("driver: " + credentials.getDriver());
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119 log.debug("url: " + credentials.getUrl());
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120 }
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121
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122 Properties props = new Properties();
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123
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124 // We rely on our own connection pool
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125 props.setProperty(
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126 "hibernate.connection.provider_class",
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127 "de.intevation.flys.utils.DBCPConnectionProvider");
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128
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129 props.setProperty(Environment.DIALECT, credentials.getDialect());
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130 props.setProperty(Environment.USER, credentials.getUser());
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131 props.setProperty(Environment.PASS, credentials.getPassword());
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132 props.setProperty(Environment.DRIVER, credentials.getDriver());
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133 props.setProperty(Environment.URL, credentials.getUrl());
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134
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135 String connectionInitSqls = credentials.getConnectionInitSqls();
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136 if (connectionInitSqls != null) {
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137 props.setProperty("connectionInitSqls", connectionInitSqls);
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138 }
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139
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140 cfg.mergeProperties(props);
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141
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142 return cfg;
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143 }
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144
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145
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146 public static String getProperty(SessionFactoryImpl factory, String key) {
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147 Properties props = factory.getProperties();
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148 return props.getProperty(key);
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149 }
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150
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151 public static String getUser(SessionFactoryImpl factory) {
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152 return getProperty(factory, Environment.USER);
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153 }
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154
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155
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156 public static String getPass(SessionFactoryImpl factory) {
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157 return getProperty(factory, Environment.PASS);
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158 }
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159
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160
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161 public static String getURL(SessionFactoryImpl factory) {
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162 return getProperty(factory, Environment.URL);
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163 }
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164
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165
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166 public static String getDriver(SessionFactoryImpl factory) {
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167 return getProperty(factory, Environment.DRIVER);
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168 }
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169 }
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170 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org