1 files changed, 0 insertions, 157 deletions
diff --git a/java/demo/Database/library/ConnectionPool.java b/java/demo/Database/library/ConnectionPool.java
deleted file mode 100644
index 7e896a1dd99..00000000000
--- a/java/demo/Database/library/ConnectionPool.java
+++ /dev/null
@@ -1,157 +0,0 @@
-// **********************************************************************
-//
-// Copyright (c) 2003-2015 ZeroC, Inc. All rights reserved.
-//
-// This copy of Ice is licensed to you under the terms described in the
-// ICE_LICENSE file included in this distribution.
-//
-// **********************************************************************
-
-class ConnectionPool
-{
-    public synchronized void
-    destroy()
-    {
-        _destroyed = true;
-        while(_connections.size() != _nconnections)
-        {
-            try
-            {
-                wait();
-            }
-            catch(InterruptedException e)
-            {
-            }
-        }
-
-        while(!_connections.isEmpty())
-        {
-            java.sql.Connection conn = _connections.removeFirst();
-            try
-            {
-                conn.close();
-            }
-            catch(java.sql.SQLException e)
-            {
-            }
-        }
-    }
-
-    public synchronized java.sql.Connection
-    acquire()
-    {
-        while(_connections.isEmpty() && !_destroyed)
-        {
-            try
-            {
-                wait();
-            }
-            catch(InterruptedException e)
-            {
-            }
-        }
-        if(_destroyed)
-        {
-            return null;
-        }
-        java.sql.Connection conn = _connections.removeFirst();
-
-        try
-        {
-            boolean closed = conn.isClosed();
-            if(closed)
-            {
-                _logger.warning("ConnectionPool: lost connection to database");
-                conn = null;
-            }
-            else
-            {
-                // Probe the connection with the database.
-                java.sql.PreparedStatement stmt = conn.prepareStatement("SELECT 1");
-                java.sql.ResultSet rs = stmt.executeQuery();
-                rs.close();
-                stmt.close();
-            }
-        }
-        catch(java.sql.SQLException e)
-        {
-            java.io.StringWriter sw = new java.io.StringWriter();
-            java.io.PrintWriter pw = new java.io.PrintWriter(sw);
-            e.printStackTrace(pw);
-            pw.flush();
-            _logger.warning("ConnectionPool: lost connection to database:\n" + sw.toString());
-
-            conn = null;
-        }
-
-        // If the connection has been closed, or is otherwise invalid,
-        // we need to re-establish the connection.
-        while(conn == null)
-        {
-            if(_trace)
-            {
-                _logger.trace("ConnectionPool", "establishing new database connection");
-            }
-            try
-            {
-                conn = java.sql.DriverManager.getConnection(_url, _username, _password);
-                conn.setAutoCommit(false);
-            }
-            catch(java.sql.SQLException e)
-            {
-                java.io.StringWriter sw = new java.io.StringWriter();
-                java.io.PrintWriter pw = new java.io.PrintWriter(sw);
-                e.printStackTrace(pw);
-                pw.flush();
-                _logger.warning("ConnectionPool: database connection failed:\n" + sw.toString());
-            }
-        }
-        if(_trace)
-        {
-            _logger.trace("ConnectionPool", "returning connection: " + conn + " " +
-                          _connections.size() + "/" + _nconnections + " remaining");
-        }
-        return conn;
-    }
-
-    public synchronized void
-    release(java.sql.Connection connection)
-    {
-        if(connection != null)
-        {
-            _connections.add(connection);
-            notifyAll();
-        }
-    }
-
-    ConnectionPool(Ice.Logger logger, String url, String username, String password, int numConnections)
-        throws java.sql.SQLException
-    {
-        _logger = logger;
-        _url = url;
-        _username = username;
-        _password = password;
-
-        _nconnections = numConnections;
-        if(_trace)
-        {
-            _logger.trace("ConnectionPool", "establishing " + numConnections + " connections to " + url);
-        }
-        while(numConnections-- > 0)
-        {
-            java.sql.Connection connection = java.sql.DriverManager.getConnection(url, username, password);
-            connection.setAutoCommit(false);
-            _connections.add(connection);
-        }
-    }
-
-
-    private Ice.Logger _logger;
-    private boolean _trace = true;
-    private String _url;
-    private String _username;
-    private String _password;
-    private java.util.LinkedList<java.sql.Connection> _connections = new java.util.LinkedList<java.sql.Connection>();
-    private boolean _destroyed = false;
-    private int _nconnections;
-}