org.firebirdsql.pool

Class PooledPreparedStatementHandler

java.lang.Object

org.firebirdsql.pool.PooledPreparedStatementHandler

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

Deprecated.

@Deprecated
public class PooledPreparedStatementHandler
extends java.lang.Object
implements java.lang.reflect.InvocationHandler

Wrapper for prepared statements. This invocation handler notifies statement manager about closing prepared statement.

Author:

Roman Rokytskyy

Method Summary

Modifier and Type	Method and Description
protected void	checkCorrectness(java.lang.reflect.Method method) Deprecated. Check if method call is correct.
protected void	handleForceClose() Deprecated.
protected boolean	handleIsCached() Deprecated.
protected void	handleStatementClose(XPreparedStatementModel key, java.lang.Object proxy) Deprecated. Handle Statement.close() call.
java.lang.Object	invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args) Deprecated. Invoke method on a specified proxy.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

handleStatementClose

protected void handleStatementClose(XPreparedStatementModel key,
                                    java.lang.Object proxy)
                             throws java.sql.SQLException

Deprecated.

Handle Statement.close() call.

Parameters:

key - XPreparedStatementModel to close

proxy - dynamic proxy wrapping prepared statement.

Throws:

java.sql.SQLException - if something went wrong.

handleForceClose

protected void handleForceClose()
                         throws java.sql.SQLException

Deprecated.

Throws:

java.sql.SQLException

handleIsCached

protected boolean handleIsCached()
                          throws java.sql.SQLException

Deprecated.

Throws:

java.sql.SQLException

invoke

public java.lang.Object invoke(java.lang.Object proxy,
                               java.lang.reflect.Method method,
                               java.lang.Object[] args)
                        throws java.lang.Throwable

Deprecated.

Invoke method on a specified proxy. Here we check if method is a method Statement.close(). If yes, we notify owner that this prepared statement was closed.

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Parameters:

proxy - proxy on which method is invoked.

method - instance of Method describing method being invoked.

args - array with arguments.

Returns:

result of method invokation.

Throws:

java.lang.Throwable - if invoked method threw an exception.

checkCorrectness

protected void checkCorrectness(java.lang.reflect.Method method)
                         throws java.sql.SQLException

Deprecated.

Check if method call is correct. If method was declared in PreparedStatement class and there is no connection proxy associated with this statement (i.e. statement in in pool), exception is thrown (this situation usually happens if somebody tries to call method on prepared statement after it has been closed).

Parameters:

method - method to check.

Throws:

java.sql.SQLException - if statement has incorrect statement.