org.springframework.jdbc.datasource

Class LazyConnectionDataSourceProxy.LazyConnectionInvocationHandler

java.lang.Object

org.springframework.jdbc.datasource.LazyConnectionDataSourceProxy.LazyConnectionInvocationHandler

All Implemented Interfaces:

java.lang.reflect.InvocationHandler

Enclosing class:

LazyConnectionDataSourceProxy

private class LazyConnectionDataSourceProxy.LazyConnectionInvocationHandler
extends java.lang.Object
implements java.lang.reflect.InvocationHandler

Invocation handler that defers fetching an actual JDBC Connection until first creation of a Statement.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.Boolean	autoCommit
private boolean	closed
private java.lang.String	password
private java.lang.Boolean	readOnly
private java.sql.Connection	target
private java.lang.Integer	transactionIsolation
private java.lang.String	username

Constructor Summary

Constructors

Constructor and Description
LazyConnectionInvocationHandler()
LazyConnectionInvocationHandler(java.lang.String username, java.lang.String password)

Method Summary

Modifier and Type	Method and Description
private java.sql.Connection	getTargetConnection(java.lang.reflect.Method operation) Return the target Connection, fetching it and initializing it if necessary.
private boolean	hasTargetConnection() Return whether the proxy currently holds a target Connection.
java.lang.Object	invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args)

Methods inherited from class java.lang.Object

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

Field Detail

username

private java.lang.String username

password

private java.lang.String password

readOnly

private java.lang.Boolean readOnly

transactionIsolation

private java.lang.Integer transactionIsolation

autoCommit

private java.lang.Boolean autoCommit

closed

private boolean closed

target

private java.sql.Connection target

Constructor Detail

LazyConnectionInvocationHandler

public LazyConnectionInvocationHandler()

LazyConnectionInvocationHandler

public LazyConnectionInvocationHandler(java.lang.String username,
                                       java.lang.String password)

Method Detail

invoke

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

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Throws:

java.lang.Throwable

hasTargetConnection

private boolean hasTargetConnection()

Return whether the proxy currently holds a target Connection.

getTargetConnection

private java.sql.Connection getTargetConnection(java.lang.reflect.Method operation)
                                         throws java.sql.SQLException

Return the target Connection, fetching it and initializing it if necessary.

Throws:

java.sql.SQLException