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Java > Open Source Codes > org > ofbiz > minerva > pool > jdbc > ConnectionWrapper


1 /*
2  * Licensed under the X license (see http://www.x.org/terms.htm)
3  */
4 package org.ofbiz.minerva.pool.jdbc;
5
6 import java.sql.*;
7
8 /**
9  * Wrapper for database connections. Tracks open statements, last used time,
10  * and records errors. In practice, this is used both as a wrapper for
11  * connections in a pool and as a wrapper for connections handed out by an
12  * XAConnection.
13  * @see javax.sql.XAConnection
14  *
15  * @author Aaron Mulder (ammulder@alumni.princeton.edu)
16  */
17 public interface ConnectionWrapper extends Connection {
18
19     /**
20      * Sets the time this connection (or a statement or result set derived from
21      * it) was used.
22      */
23     public void setLastUsed();
24
25     /**
26      * Indicates to the connection that an error occured. This is typically
27      * used by statements and result sets derived from this connection.
28      */
29     public void setError(SQLException e);
30
31     /**
32      * Indicates that a statement derived from this connection was closed.
33      * Statements are tracked so that any open statements can be closed when
34      * the connection is closed (or reused in a pool).
35      */
36     public void statementClosed(Statement st);
37 }
38
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