Examples of org.springextensions.db4o.Db4oTransactionManager

org.springextensions.db4o.Db4oTransactionManager
PlatformTransactionManager implementation for db4o.
This local strategy is an alternative to executing db4o operations within JTA transactions. Its advantage is the ability to work in any environment, for example a standalone application or a test suite. It is not able to provide XA transactions, for example to share transactions with data access.
This transaction strategy will typically be used in combination with a single db4o database for all db4o access to save resources, typically in a standalone application. @see org.springframework.transaction.support.AbstractPlatformTransactionManager @author Costin Leau

  /**
   * @return The lazily instantiated db level trans manager.
   */
  private Db4oTransactionManager getTransMgr() {
    if(tm == null) {
      final Db4oTransactionManager db4oTm = new Db4oTransactionManager(oc);


      // set the transaction timeout
      final int timeout = 60 * 4; // 4 mins
      db4oTm.setDefaultTimeout(timeout);
      log.info("Set DB4O default transaction timeout to: " + timeout);


      // validate configuration
      try {
        db4oTm.afterPropertiesSet();
      }
      catch(final Exception e) {
        throw new IllegalStateException(e);
      }

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        @Inject
        EmbeddedObjectContainer oc;


        @Override
        public PlatformTransactionManager get() {
          final Db4oTransactionManager db4oTm = new Db4oTransactionManager(oc);


          // set the transaction timeout
          final int timeout =
              config == null ? DEFAULT_TRANS_TIMEOUT : config.getInt(Db4oConfigKeys.DB_TRANS_TIMEOUT.getKey(),
                  DEFAULT_TRANS_TIMEOUT);
          db4oTm.setDefaultTimeout(timeout);
          log.info("Set DB4O default transaction timeout to: " + timeout);


          // validate configuration
          try {
            db4oTm.afterPropertiesSet();
          }
          catch(final Exception e) {
            throw new IllegalStateException(e);
          }

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        @Inject
        ObjectContainer oc;


        @Override
        public PlatformTransactionManager get() {
          final Db4oTransactionManager db4oTm = new Db4oTransactionManager(oc);


          // set the transaction timeout
          final int timeout =
            config == null ? DEFAULT_TRANS_TIMEOUT : config.getInteger(ConfigKeys.DB_TRANS_TIMEOUT.getKey(),
                DEFAULT_TRANS_TIMEOUT);
          db4oTm.setDefaultTimeout(timeout);
          log.info("Set DB4O default transaction timeout to: " + timeout);


          // validate configuration
          try {
            db4oTm.afterPropertiesSet();
          }
          catch(final Exception e) {
            throw new IllegalStateException(e);
          }

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  /**
   * @return The lazily instantiated db level trans manager.
   */
  private Db4oTransactionManager getTransMgr() {
    if(tm == null) {
      final Db4oTransactionManager db4oTm = new Db4oTransactionManager(oc);


      // set the transaction timeout
      final int timeout = 60 * 4; // 4 mins
      db4oTm.setDefaultTimeout(timeout);
      log.info("Set DB4O default transaction timeout to: " + timeout);


      // validate configuration
      try {
        db4oTm.afterPropertiesSet();
      }
      catch(final Exception e) {
        throw new IllegalStateException(e);
      }

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Related Classes of org.springextensions.db4o.Db4oTransactionManager

com.db4o.ObjectContainer

com.tll.dao.db4o.AbstractDb4oDaoModule

com.tll.dao.db4o.test.Db4oTrans

com.tll.di.Db4oDaoModule

org.springframework.transaction.InvalidIsolationLevelException

org.springframework.transaction.CannotCreateTransactionException

org.springframework.transaction.TransactionSystemException

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