1   /*
    2    * JBoss, Home of Professional Open Source.
    3    * Copyright 2008, Red Hat Middleware LLC, and individual contributors
    4    * as indicated by the @author tags. See the copyright.txt file in the
    5    * distribution for a full listing of individual contributors.
    6    *
    7    * This is free software; you can redistribute it and/or modify it
    8    * under the terms of the GNU Lesser General Public License as
    9    * published by the Free Software Foundation; either version 2.1 of
   10    * the License, or (at your option) any later version.
   11    *
   12    * This software is distributed in the hope that it will be useful,
   13    * but WITHOUT ANY WARRANTY; without even the implied warranty of
   14    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   15    * Lesser General Public License for more details.
   16    *
   17    * You should have received a copy of the GNU Lesser General Public
   18    * License along with this software; if not, write to the Free
   19    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
   20    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
   21    */
   22   package javax.management.j2ee.statistics;
   23   
   24   /**
   25    * Specifies the statistics provided by a JDBC connection pool.
   26    * 
   27    * @author thomas.diesler@jboss.org
   28    */
   29   public interface JDBCConnectionPoolStats extends JDBCConnectionStats
   30   {
   31      /**
   32       * Number of connections created.
   33       */
   34      public CountStatistic getCreateCount();
   35   
   36      /**
   37       * Number of connections closed.
   38       */
   39      public CountStatistic getCloseCount();
   40   
   41      /**
   42       * Size of the connection pool.
   43       */
   44      public BoundedRangeStatistic getPoolSize();
   45   
   46      /**
   47       * Number of free connections in the pool.
   48       */
   49      public BoundedRangeStatistic getFreePoolSize();
   50   
   51      /**
   52       * Number of threads waiting for a connection.
   53       */
   54      public RangeStatistic getWaitingThreadCount();
   55   }
   56