public class PoolingDataSource
extends java.lang.Object
implements javax.sql.DataSource
DataSource
implementation that obtains
Connection
s from the specified ObjectPool
.Modifier and Type | Class and Description |
---|---|
private class |
PoolingDataSource.PoolGuardConnectionWrapper
PoolGuardConnectionWrapper is a Connection wrapper that makes sure a
closed connection cannot be used anymore.
|
Modifier and Type | Field and Description |
---|---|
protected java.io.PrintWriter |
_logWriter
My log writer.
|
protected org.apache.commons.pool.ObjectPool |
_pool |
private boolean |
accessToUnderlyingConnectionAllowed
Controls access to the underlying connection
|
Constructor and Description |
---|
PoolingDataSource() |
PoolingDataSource(org.apache.commons.pool.ObjectPool pool) |
Modifier and Type | Method and Description |
---|---|
java.sql.Connection |
getConnection()
Return a
Connection from my pool,
according to the contract specified by ObjectPool.borrowObject() . |
java.sql.Connection |
getConnection(java.lang.String uname,
java.lang.String passwd)
Throws
UnsupportedOperationException |
int |
getLoginTimeout()
Throws
UnsupportedOperationException . |
java.io.PrintWriter |
getLogWriter()
Returns my log writer.
|
java.util.logging.Logger |
getParentLogger() |
boolean |
isAccessToUnderlyingConnectionAllowed()
Returns the value of the accessToUnderlyingConnectionAllowed property.
|
boolean |
isWrapperFor(java.lang.Class<?> iface) |
void |
setAccessToUnderlyingConnectionAllowed(boolean allow)
Sets the value of the accessToUnderlyingConnectionAllowed property.
|
void |
setLoginTimeout(int seconds)
Throws
UnsupportedOperationException . |
void |
setLogWriter(java.io.PrintWriter out)
Sets my log writer.
|
void |
setPool(org.apache.commons.pool.ObjectPool pool) |
<T> T |
unwrap(java.lang.Class<T> iface) |
private boolean accessToUnderlyingConnectionAllowed
protected java.io.PrintWriter _logWriter
protected org.apache.commons.pool.ObjectPool _pool
public PoolingDataSource()
public PoolingDataSource(org.apache.commons.pool.ObjectPool pool)
public void setPool(org.apache.commons.pool.ObjectPool pool) throws java.lang.IllegalStateException, java.lang.NullPointerException
java.lang.IllegalStateException
java.lang.NullPointerException
public boolean isAccessToUnderlyingConnectionAllowed()
public void setAccessToUnderlyingConnectionAllowed(boolean allow)
allow
- Access to the underlying connection is granted when true.public boolean isWrapperFor(java.lang.Class<?> iface) throws java.sql.SQLException
isWrapperFor
in interface java.sql.Wrapper
java.sql.SQLException
public <T> T unwrap(java.lang.Class<T> iface) throws java.sql.SQLException
unwrap
in interface java.sql.Wrapper
java.sql.SQLException
public java.sql.Connection getConnection() throws java.sql.SQLException
Connection
from my pool,
according to the contract specified by ObjectPool.borrowObject()
.getConnection
in interface javax.sql.DataSource
java.sql.SQLException
public java.sql.Connection getConnection(java.lang.String uname, java.lang.String passwd) throws java.sql.SQLException
UnsupportedOperationException
getConnection
in interface javax.sql.DataSource
java.lang.UnsupportedOperationException
java.sql.SQLException
public java.io.PrintWriter getLogWriter()
getLogWriter
in interface javax.sql.CommonDataSource
CommonDataSource.getLogWriter()
public int getLoginTimeout()
UnsupportedOperationException
.getLoginTimeout
in interface javax.sql.CommonDataSource
java.lang.UnsupportedOperationException
- As this
implementation does not support this feature.public void setLoginTimeout(int seconds)
UnsupportedOperationException
.setLoginTimeout
in interface javax.sql.CommonDataSource
java.lang.UnsupportedOperationException
- As this
implementation does not support this feature.public void setLogWriter(java.io.PrintWriter out)
setLogWriter
in interface javax.sql.CommonDataSource
CommonDataSource.setLogWriter(java.io.PrintWriter)
public java.util.logging.Logger getParentLogger() throws java.sql.SQLFeatureNotSupportedException
getParentLogger
in interface javax.sql.CommonDataSource
java.sql.SQLFeatureNotSupportedException