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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Tue Oct 06 18:12:02 PDT 1998 --><TITLE>: Interface ConnectionPoolDataSource</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" ID="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="package-summary.html"><FONT ID="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" ID="NavBarCell1Rev"> <FONT ID="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="package-tree.html"><FONT ID="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT ID="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="../../index-all.html"><FONT ID="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="../../help-doc.html"><FONT ID="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" ID="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/sql/ConnectionEventListener.html"><B>PREV CLASS</B></A> <A HREF="../../javax/sql/DataSource.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" ID="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="ConnectionPoolDataSource.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" ID="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" ID="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.sql</FONT><BR>Interface ConnectionPoolDataSource</H2><HR><DL><DT>public abstract interface <B>ConnectionPoolDataSource</B></DL><P>A ConnectionPoolDataSource object is a factory for PooledConnection objects. An object that implements this interface will typically be registered with a JNDI service.<P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" ID="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/ConnectionPoolDataSource.html#getLoginTimeout()">getLoginTimeout</A></B>()</CODE><BR> Gets the maximum time in seconds that this data source can wait while attempting to connect to a database.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.io.PrintWriter</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/ConnectionPoolDataSource.html#getLogWriter()">getLogWriter</A></B>()</CODE><BR> Get the log writer for this data source.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/sql/PooledConnection.html">PooledConnection</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/ConnectionPoolDataSource.html#getPooledConnection()">getPooledConnection</A></B>()</CODE><BR> Attempt to establish a database connection.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/sql/PooledConnection.html">PooledConnection</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/ConnectionPoolDataSource.html#getPooledConnection(java.lang.String, java.lang.String)">getPooledConnection</A></B>(java.lang.String user, java.lang.String password)</CODE><BR> Attempt to establish a database connection.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/ConnectionPoolDataSource.html#setLoginTimeout(int)">setLoginTimeout</A></B>(int seconds)</CODE><BR> Sets the maximum time in seconds that this data source will wait while attempting to connect to a database.</TD></TR><TR BGCOLOR="white" ID="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/sql/ConnectionPoolDataSource.html#setLogWriter(java.io.PrintWriter)">setLogWriter</A></B>(java.io.PrintWriter out)</CODE><BR> Set the log writer for this data source.</TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" ID="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="getPooledConnection()"><!-- --></A><H3>getPooledConnection</H3><PRE>public <A HREF="../../javax/sql/PooledConnection.html">PooledConnection</A> <B>getPooledConnection</B>() throws java.sql.SQLException</PRE><DL><DD><p>Attempt to establish a database connection.<DD><DL><DT><B>Returns:</B><DD>a Connection to the database<DT><B>Throws:</B><DD>java.sql.SQLException - if a database-access error occurs.</DL></DD></DL><HR><A NAME="getPooledConnection(java.lang.String, java.lang.String)"><!-- --></A><H3>getPooledConnection</H3><PRE>public <A HREF="../../javax/sql/PooledConnection.html">PooledConnection</A> <B>getPooledConnection</B>(java.lang.String user, java.lang.String password) throws java.sql.SQLException</PRE><DL><DD><p>Attempt to establish a database connection.<DD><DL><DT><B>Parameters:</B><DD><CODE>user</CODE> - the database user on whose behalf the Connection is being made<DD><CODE>password</CODE> - the user's password<DT><B>Returns:</B><DD>a Connection to the database<DT><B>Throws:</B><DD>java.sql.SQLException - if a database-access error occurs.</DL></DD></DL><HR><A NAME="getLogWriter()"><!-- --></A><H3>getLogWriter</H3><PRE>public java.io.PrintWriter <B>getLogWriter</B>() throws java.sql.SQLException</PRE><DL><DD><p>Get the log writer for this data source. <p>The log writer is a character output stream to which all logging and tracing messages for this data source object instance will be printed. This includes messages printed by the methods of this object, messages printed by methods of other objects manufactured by this object, and so on. Messages printed to a data source specific log writer are not printed to the log writer associated with the java.sql.Drivermanager class. When a data source object is created the log writer is initially null, in other words, logging is disabled.<DD><DL><DT><B>Returns:</B><DD>the log writer for this data source, null if disabled<DT><B>Throws:</B><DD>java.sql.SQLException - if a database-access error occurs.</DL></DD></DL><HR><A NAME="setLogWriter(java.io.PrintWriter)"><!-- --></A><H3>setLogWriter</H3><PRE>public void <B>setLogWriter</B>(java.io.PrintWriter out) throws java.sql.SQLException</PRE><DL><DD><p>Set the log writer for this data source. <p>The log writer is a character output stream to which all logging and tracing messages for this data source object instance will be printed. This includes messages printed by the methods of this object, messages printed by methods of other objects manufactured by this object, and so on. Messages printed to a data source specific log writer are not printed to the log writer associated with the java.sql.Drivermanager class. When a data source object is created the log writer is initially null, in other words, logging is disabled.<DD><DL><DT><B>Parameters:</B><DD><CODE>out</CODE> - the new log writer; to disable, set to null<DT><B>Throws:</B><DD>java.sql.SQLException - if a database-access error occurs.</DL></DD></DL><HR><A NAME="setLoginTimeout(int)"><!-- --></A><H3>setLoginTimeout</H3><PRE>public void <B>setLoginTimeout</B>(int seconds) throws java.sql.SQLException</PRE><DL><DD><p>Sets the maximum time in seconds that this data source will wait while attempting to connect to a database. A value of zero specifies that the timeout is the default system timeout if there is one; otherwise it specifies that there is no timeout. When a data source object is created the login timeout is initially zero.<DD><DL><DT><B>Parameters:</B><DD><CODE>seconds</CODE> - the data source login time limit<DT><B>Throws:</B><DD>java.sql.SQLException - if a database access error occurs.</DL></DD></DL><HR><A NAME="getLoginTimeout()"><!-- --></A><H3>getLoginTimeout</H3><PRE>public int <B>getLoginTimeout</B>() throws java.sql.SQLException</PRE><DL><DD>Gets the maximum time in seconds that this data source can wait while attempting to connect to a database. A value of zero means that the timeout is the default system timeout if there is one; otherwise it means that there is no timeout. When a data source object is created the login timeout is initially zero.<DD><DL><DT><B>Returns:</B><DD>the data source login time limit<DT><B>Throws:</B><DD>java.sql.SQLException - if a database access error occurs.</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_bottom"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" ID="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="package-summary.html"><FONT ID="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" ID="NavBarCell1Rev"> <FONT ID="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="package-tree.html"><FONT ID="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT ID="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="../../index-all.html"><FONT ID="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" ID="NavBarCell1"> <A HREF="../../help-doc.html"><FONT ID="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" ID="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/sql/ConnectionEventListener.html"><B>PREV CLASS</B></A> <A HREF="../../javax/sql/DataSource.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" ID="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="ConnectionPoolDataSource.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" ID="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" ID="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR></BODY></HTML>⌨️ 快捷键说明
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