net.sf.hajdbc.sql

Class LockingInvocationStrategy<D,T,R>

java.lang.Object

net.sf.hajdbc.sql.LockingInvocationStrategy<D,T,R>

Type Parameters:

D - Type of the root object (e.g. driver, datasource)

T - Target object type of the invocation

R - Return type of this invocation

All Implemented Interfaces:

InvocationStrategy<D,T,R>

public class LockingInvocationStrategy<D,T,R>
extends java.lang.Object
implements InvocationStrategy<D,T,R>

An invocation strategy decorator that acquires a list of locks before invocation, and releases them afterward.

Author:

Paul Ferraro

Constructor Summary

Constructors

Constructor and Description
LockingInvocationStrategy(InvocationStrategy<D,T,R> strategy, java.util.List<java.util.concurrent.locks.Lock> lockList)

Method Summary

Modifier and Type	Method and Description
R	invoke(SQLProxy<D,T> proxy, Invoker<D,T,R> invoker) Invoke the specified invoker against the specified proxy.

Methods inherited from class java.lang.Object

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

Constructor Detail

LockingInvocationStrategy

public LockingInvocationStrategy(InvocationStrategy<D,T,R> strategy,
                                 java.util.List<java.util.concurrent.locks.Lock> lockList)

Parameters:

strategy -

lockList -

Method Detail

invoke

public R invoke(SQLProxy<D,T> proxy,
                Invoker<D,T,R> invoker)
         throws java.lang.Exception

Description copied from interface: InvocationStrategy

Invoke the specified invoker against the specified proxy.

Specified by:

invoke in interface InvocationStrategy<D,T,R>

Parameters:

proxy - a JDBC object proxy

invoker - an invoker

Returns:

a result

Throws:

java.lang.Exception - if the invocation fails

See Also:

InvocationStrategy.invoke(net.sf.hajdbc.sql.SQLProxy, net.sf.hajdbc.sql.Invoker)