Examples of com.atomikos.util.DynamicProxy

com.atomikos.util.DynamicProxy
An interface to improve performance of dynamic proxies. The added method 'getInvocationHandler' avoids calls to the Proxy class (which suffers from performance issues related to synchronization overhead).

    CompositeTransaction current = tm.getCompositeTransaction();
    if ( ( current != null ) && ( current.getProperty ( TransactionManagerImp.JTA_PROPERTY_NAME) != null )) {
      synchronized (sessions) {
        for (int i=0; i<sessions.size() ;i++) {
          Session session = (Session) sessions.get(i);
          DynamicProxy dproxy = ( DynamicProxy ) session;
          AbstractJmsSessionProxy proxy = (AbstractJmsSessionProxy) dproxy.getInvocationHandler();
          
          //recycle if either inactive in this tx, OR if active (since a new session will be created anyway, and 
          //concurrent sessions are allowed on the same underlying connection!
          if ( proxy.isInactiveTransaction(current) || proxy.isInTransaction( current ) ) {
            if ( LOGGER.isInfoEnabled() ) LOGGER.logInfo ( this + ": recycling session " + proxy );

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    boolean ret = closed;
    synchronized (sessions) {
      Iterator it = sessions.iterator();
      while ( it.hasNext() && ret ) {
        Object handle = it.next();
        DynamicProxy dproxy = ( DynamicProxy ) handle;
        AbstractJmsSessionProxy  session = (AbstractJmsSessionProxy) dproxy.getInvocationHandler();
        if ( !session.isAvailable() ) {
          ret = false;
        }
      }
    }

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    boolean ret = erroneous;
    synchronized (sessions) {
      Iterator it = sessions.iterator();
      while ( it.hasNext() && !ret ) {
        Object handle = it.next();
        DynamicProxy dproxy = ( DynamicProxy ) handle;
        AbstractJmsSessionProxy  session = (AbstractJmsSessionProxy) dproxy.getInvocationHandler();
        if ( session.isErroneous() ) ret = true;
      }
    }
    return ret;
  }

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    boolean ret = false;
    synchronized (sessions) {
      Iterator it = sessions.iterator();
      while ( it.hasNext() && !ret ) {
        Object handle = it.next();
        DynamicProxy dproxy = ( DynamicProxy ) handle;
        AbstractJmsSessionProxy  session = (AbstractJmsSessionProxy) dproxy.getInvocationHandler();
        if ( session.isInTransaction ( ct ) ) ret = true;
      }
    }
    return ret;
  }

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    boolean ret = false;
    synchronized (sessions) {
      Iterator it = sessions.iterator();
      while ( it.hasNext() && !ret ) {
        Object handle = it.next();
        DynamicProxy dproxy = ( DynamicProxy ) handle;
        AbstractJmsSessionProxy  session = (AbstractJmsSessionProxy) dproxy.getInvocationHandler();
        if ( session.isInactiveTransaction ( ct ) ) ret = true;
      }
    }
    return ret;
  }

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    //a session has terminated -> remove it from the list of sessions to enable GC
    synchronized (sessions) {
      Iterator it = sessions.iterator();
      while ( it.hasNext() ) {
        Object handle = it.next();
        DynamicProxy dproxy = ( DynamicProxy ) handle;
        AbstractJmsSessionProxy  session = (AbstractJmsSessionProxy) dproxy.getInvocationHandler();
        if ( session.isAvailable() ) it.remove();
      }
    }
  }

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    //let pool take care of reusing an existing handle
    Connection proxy = super.getConnection ( hmsg );          


        // here we are certain that proxy is not null -> increase the use count
        DynamicProxy dproxy = ( DynamicProxy ) proxy;
        com.atomikos.jdbc.nonxa.AtomikosThreadLocalConnection previous = (AtomikosThreadLocalConnection) dproxy.getInvocationHandler();


        previous.incUseCount();
        previous.addHeuristicMessage ( hmsg );
        Configuration.logDebug ( this + ": returning " + proxy );
    return proxy;

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    classLoaders.add ( obj.getClass().getClassLoader() );
    classLoaders.add ( AtomikosThreadLocalConnection.class.getClassLoader() );
    
    ret = ClassLoadingHelper.newProxyInstance ( classLoaders , interfaceClasses , new AtomikosThreadLocalConnection ( pooledConnection ) );
    
    DynamicProxy dproxy = (DynamicProxy) ret;
    AtomikosThreadLocalConnection c = (AtomikosThreadLocalConnection) dproxy.getInvocationHandler();
    c.resourceName = resourceName;
    
    return ret;
  }

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  {
    Reapable ret = null;
    if ( canBeRecycledForCallingThread() ) {
      Configuration.logDebug ( this + ": reusing existing proxy for thread..." );
      ret = getCurrentConnectionProxy();
      DynamicProxy dproxy = ( DynamicProxy ) ret;
      AtomikosThreadLocalConnection previous = (AtomikosThreadLocalConnection) dproxy.getInvocationHandler();
      //DON't increment use count: see case 27793
      //previous.incUseCount();
    } else {
      Configuration.logDebug ( this + ": creating connection proxy..." );
      JdbcConnectionProxyHelper.setIsolationLevel ( connection, getDefaultIsolationLevel() );

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  public boolean isAvailable() {
    boolean ret = true;


    Reapable handle = getCurrentConnectionProxy();
    if ( handle != null ) {
      DynamicProxy dproxy = ( DynamicProxy ) handle;
      AtomikosThreadLocalConnection previous = (AtomikosThreadLocalConnection) dproxy.getInvocationHandler();
      ret = previous.isNoLongerInUse();
    }
    
    return ret;

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Related Classes of com.atomikos.util.DynamicProxy

com.atomikos.jdbc.nonxa.AtomikosNonXADataSourceBean

com.atomikos.jdbc.nonxa.AtomikosNonXAPooledConnection

com.atomikos.jdbc.nonxa.AtomikosThreadLocalConnection

com.atomikos.jms.AtomikosJmsConnectionProxy

com.atomikos.jms.AtomikosPooledJmsConnection

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