oracle.jdbc.pool.oracleconnectioncacheimpl.html

Oracle JDBC 的javaDoc

<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> Connection A logical Connection Object.
    <dt> <b>Throws:</b> SQLException
    <dd> error creating Connection Object.
    <dt> <b>Overrides:</b>
    <dd> <a href="oracle.jdbc.pool.OracleDataSource.html#getConnection()">getConnection</a> in class <a href="oracle.jdbc.pool.OracleDataSource.html#_top_">OracleDataSource</a>
  </dl></dd>
</dl>
<a name="getConnection(java.lang.String, java.lang.String)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getConnection"><b>getConnection</b></a>
<pre>
 public Connection getConnection(String user,
                                 String passwd) throws SQLException
</pre>
<dl>
  <dd> Attempt to get a logical connection from the Cache. May return
null depending upon the Schemes selected.  User and password
arguments should match the one given either directly or
from ConnectionPoolDataSource.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> Connection A logical Connection Object.
    <dt> <b>Throws:</b> SQLException
    <dd> error creating Connection Object.
    <dt> <b>Overrides:</b>
    <dd> <a href="oracle.jdbc.pool.OracleDataSource.html#getConnection(java.lang.String, java.lang.String)">getConnection</a> in class <a href="oracle.jdbc.pool.OracleDataSource.html#_top_">OracleDataSource</a>
  </dl></dd>
</dl>
<a name="reusePooledConnection(javax.sql.PooledConnection)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="reusePooledConnection"><b>reusePooledConnection</b></a>
<pre>
 public void reusePooledConnection(PooledConnection pc) throws SQLException
</pre>
<dl>
  <dd> <p> Invoked by the ConnectionEventListener instance when Logical
connection handles are closed signaling that the PooledConnection
can be recycled into the pool for further use.
<p>
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> pc - The pooled connection object that needs to be recylced.
    <dt> <b>Throws:</b> SQLException
    <dd> error in recycling the PooledConnection.
  </dl></dd>
</dl>
<a name="closePooledConnection(javax.sql.PooledConnection)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="closePooledConnection"><b>closePooledConnection</b></a>
<pre>
 public void closePooledConnection(PooledConnection pc) throws SQLException
</pre>
<dl>
  <dd> <p> Invoked by the ConnectionEventListener when an error occurs
on a PooledConnection/LogicalConnection signaling that it is no
longer good to be used and can be closed.
<p>
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> pc - The pooled connection object that has to be closed
because of an error.
    <dt> <b>Throws:</b> SQLException
    <dd> error in closing the PooledConnection
  </dl></dd>
</dl>
<a name="close()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="close"><b>close</b></a>
<pre>
 public void close() throws SQLException
</pre>
<dl>
  <dd> <p> Invoked by the ConnectionEventListener when an error occurs
on a PooledConnection/LogicalConnection signaling that it is no
longer good to be used and can be closed.
<p>
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> PooledConnection - The pooled connection object that has to
be closed because of an error.
    <dt> <b>Throws:</b> SQLException
    <dd> error in closing the PooledConnection
  </dl></dd>
</dl>
<a name="setMinLimit(int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="setMinLimit"><b>setMinLimit</b></a>
<pre>
 public void setMinLimit(int l) throws SQLException
</pre>
<dl>
  <dd> Set the minimum no of connections for the Cache.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> l - Minimum no. of Connections.
  </dl></dd>
</dl>
<a name="getMinLimit()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getMinLimit"><b>getMinLimit</b></a>
<pre>
 public int getMinLimit()
</pre>
<dl>
  <dd> Return the minimum limit on the no of Connections.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> minimum limit on the no of Connections.
  </dl></dd>
</dl>
<a name="setMaxLimit(int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="setMaxLimit"><b>setMaxLimit</b></a>
<pre>
 public void setMaxLimit(int l) throws SQLException
</pre>
<dl>
  <dd> Set the maximum no of connections for the Cache.
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> l - maximum no. of Connections.
  </dl></dd>
</dl>
<a name="getMaxLimit()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getMaxLimit"><b>getMaxLimit</b></a>
<pre>
 public int getMaxLimit()
</pre>
<dl>
  <dd> Return the Max limit on Connections. <p>
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> int Max no of Connections that can be opened.
  </dl></dd>
</dl>
<a name="getCacheScheme()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getCacheScheme"><b>getCacheScheme</b></a>
<pre>
 public int getCacheScheme()
</pre>
<dl>
  <dd> Return the Caching Scheme being used.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> the caching scheme.
  </dl></dd>
</dl>
<a name="setCacheScheme(int)"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="setCacheScheme"><b>setCacheScheme</b></a>
<pre>
 public void setCacheScheme(int s) throws SQLException
</pre>
<dl>
  <dd> Set the Scheme for this Cache. Possible values are
OracleConnectionCacheImpl.DYNAMIC_SCHEME
OracleConnectionCacheImpl.FIXED_RETURN_NULL_SCHEME
<p>
  <dd><dl>
    <dt> <b>Parameters:</b>
    <dd> int - Caching Scheme
  </dl></dd>
</dl>
<a name="getActiveSize()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getActiveSize"><b>getActiveSize</b></a>
<pre>
 public int getActiveSize()
</pre>
<dl>
  <dd> Return the total no of connections that are being used.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> total no of active connections.
  </dl></dd>
</dl>
<a name="getCacheSize()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getCacheSize"><b>getCacheSize</b></a>
<pre>
 public int getCacheSize()
</pre>
<dl>
  <dd> Return the total no of connections in the Cache.
<p>
  <dd><dl>
    <dt> <b>Returns:</b>
    <dd> total no of connections opened.
  </dl></dd>
</dl>
<a name="getReference()"><img src="images/red-ball.gif" width=12 height=12 alt=" o "></a>
<a name="getReference"><b>getReference</b></a>
<pre>
 public Reference getReference() throws NamingException
</pre>
<dl>
  <dd><dl>
    <dt> <b>Overrides:</b>
    <dd> <a href="oracle.jdbc.pool.OracleDataSource.html#getReference()">getReference</a> in class <a href="oracle.jdbc.pool.OracleDataSource.html#_top_">OracleDataSource</a>
  </dl></dd>
</dl>
<hr>
<pre>
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