How to use

getMaxActive

method

in

org.apache.commons.pool.impl.GenericObjectPool

/**
 * This returns the number of objects to create during the pool
 * sustain cycle. This will ensure that the minimum number of idle
 * instances is maintained without going past the maxActive value.
 *
 * @param incrementInternal - Should the count of objects currently under
 *                            some form of internal processing be
 *                            incremented?
 * @return The number of objects to be created
 */
private synchronized int calculateDeficit(boolean incrementInternal) {
  int objectDeficit = getMinIdle() - getNumIdle();
  if (_maxActive > 0) {
    int growLimit = Math.max(0,
        getMaxActive() - getNumActive() - getNumIdle() - _numInternalProcessing);
    objectDeficit = Math.min(objectDeficit, growLimit);
  }
  if (incrementInternal && objectDeficit >0) {
    _numInternalProcessing++;
  }
  return objectDeficit;
}

public int getMaxPoolSize() {
  return pool.getMaxActive();
}

public int getPoolSize() {
  checkOpen();
  return pool.getMaxActive();
}

  @Override
  public String toString() {
    StringBuilder ret = new StringBuilder(getClass().getSimpleName());
    ret.append("[config=").append(getConfig());
    if (pool == null) {
      ret.append("[Session pool is disposed]");
    } else {
      ret.append("[ACTIVE: ");
      ret.append(pool.getNumActive() + "/" + ((GenericObjectPool) pool).getMaxActive());
      ret.append(" INACTIVE: ");
      ret.append(pool.getNumIdle() + "/" + ((GenericObjectPool) pool).getMaxIdle() + "]");
    }
    ret.append("]");
    return ret.toString();
  }
}

/** @see org.geotools.arcsde.session.ISessionPool#getAvailableCount() */
public synchronized int getAvailableCount() {
  checkOpen();
  return pool.getMaxActive() - pool.getNumActive();
}

public int getMaxActive()
{
  return pool.getMaxActive();
}

/**
 * @return The current maximum number of allowable active transformer objects in
 *         the pool
 */
public int getMaxActiveTransformers()
{
  return transformerPool.getMaxActive();
}

/**
 * @return The current maximum number of allowable active transformer objects in
 *         the pool
 */
public int getMaxActiveTransformers()
{
  return transformerPool.getMaxActive();
}

public int getReadConnectionMaxPoolSize() {
  return roPool.getMaxActive();
}

public int getWriteConnectionMaxPoolSize() {
  return rwPool.getMaxActive();
}

public int getQueryConnectionMaxPoolSize() {
  return queryPool.getMaxActive();
}

public void writeReport(java.io.Writer out) throws java.io.IOException {
 final String BR = "<br>\n";
 out.write("Active connections: " + pool.getNumActive() + " (max: " + pool.getMaxActive() + ")<br>\n");
 out.write("Idle connections: " + pool.getNumIdle() + " (min: " + pool.getMinIdle() + " max: " + pool.getMaxIdle() + ")<br>\n");
 out.write("Connections created: " + pcfactory.objectsCreated + BR);
 out.write("Connections destroyed: " + pcfactory.objectsDestroyed + BR);
 out.write("Connections validated: " + pcfactory.objectsValidated + BR);
 out.write("Connections activated: " + pcfactory.objectsActivated + BR);
 out.write("Connections passivated: " + pcfactory.objectsPassivated + BR);
}

  @Override
  public Object invoke(Object proxy, Method method, Object[] args)
      throws Throwable {
    if (method.getName().equals("close")) {
      if (logger.isDebugEnabled()) {
        logger.debug("Return a connection to the pool : "
            + connection);
      }
      pool.returnObject((OlapConnection) proxy);
      if (logger.isDebugEnabled()) {
        logger.debug("	- current pool size : "
            + pool.getNumActive() + " / "
            + pool.getMaxActive());
      }
      return null;
    } else {
      return method.invoke(connection, args);
    }
  }
};

/**
 * This returns the number of objects to create during the pool
 * sustain cycle. This will ensure that the minimum number of idle
 * instances is maintained without going past the maxActive value.
 *
 * @param incrementInternal - Should the count of objects currently under
 *                            some form of internal processing be
 *                            incremented?
 * @return The number of objects to be created
 */
private synchronized int calculateDeficit(boolean incrementInternal) {
  int objectDeficit = getMinIdle() - getNumIdle();
  if (_maxActive > 0) {
    int growLimit = Math.max(0,
        getMaxActive() - getNumActive() - getNumIdle() - _numInternalProcessing);
    objectDeficit = Math.min(objectDeficit, growLimit);
  }
  if (incrementInternal && objectDeficit >0) {
    _numInternalProcessing++;
  }
  return objectDeficit;
}

/**
 * This returns the number of objects to create during the pool
 * sustain cycle. This will ensure that the minimum number of idle
 * instances is maintained without going past the maxActive value.
 *
 * @param incrementInternal - Should the count of objects currently under
 *                            some form of internal processing be
 *                            incremented?
 * @return The number of objects to be created
 */
private synchronized int calculateDeficit(boolean incrementInternal) {
  int objectDeficit = getMinIdle() - getNumIdle();
  if (_maxActive > 0) {
    int growLimit = Math.max(0,
        getMaxActive() - getNumActive() - getNumIdle() - _numInternalProcessing);
    objectDeficit = Math.min(objectDeficit, growLimit);
  }
  if (incrementInternal && objectDeficit >0) {
    _numInternalProcessing++;
  }
  return objectDeficit;
}

/**
 * This returns the number of objects to create during the pool
 * sustain cycle. This will ensure that the minimum number of idle
 * instances is maintained without going past the maxActive value.
 *
 * @param incrementInternal - Should the count of objects currently under
 *                            some form of internal processing be
 *                            incremented?
 * @return The number of objects to be created
 */
private synchronized int calculateDeficit(boolean incrementInternal) {
  int objectDeficit = getMinIdle() - getNumIdle();
  if (_maxActive > 0) {
    int growLimit = Math.max(0,
        getMaxActive() - getNumActive() - getNumIdle() - _numInternalProcessing);
    objectDeficit = Math.min(objectDeficit, growLimit);
  }
  if (incrementInternal && objectDeficit >0) {
    _numInternalProcessing++;
  }
  return objectDeficit;
}

/**
 * This returns the number of objects to create during the pool
 * sustain cycle. This will ensure that the minimum number of idle
 * instances is maintained without going past the maxActive value.
 *
 * @param incrementInternal - Should the count of objects currently under
 *                            some form of internal processing be
 *                            incremented?
 * @return The number of objects to be created
 */
private synchronized int calculateDeficit(boolean incrementInternal) {
  int objectDeficit = getMinIdle() - getNumIdle();
  if (_maxActive > 0) {
    int growLimit = Math.max(0,
        getMaxActive() - getNumActive() - getNumIdle() - _numInternalProcessing);
    objectDeficit = Math.min(objectDeficit, growLimit);
  }
  if (incrementInternal && objectDeficit >0) {
    _numInternalProcessing++;
  }
  return objectDeficit;
}

new GenericKeyedObjectPoolFactory( null, pool.getMaxActive(), pool.getWhenExhaustedAction(), pool
  .getMaxWait(), pool.getMaxIdle(), maxOpenPreparedStatements );