On 9/4/07, JunJie Nan <[EMAIL PROTECTED]> wrote:
>
> I tried to make some sense on @Conversational and @Scope("REQUEST"), but
> failed. The error message:
> java.lang.ClassCastException: java.lang.String incompatible with
> java.lang.Thread
> at org.apache.tuscany.sca.core.scope.RequestScopeContainer.getWrapper(
> RequestScopeContainer.java:35)
> at
>
> org.apache.tuscany.sca.implementation.java.invocation.JavaImplementationInvoker.getInstance
> (JavaImplementationInvoker.java:62)
> at
>
> org.apache.tuscany.sca.implementation.java.invocation.JavaImplementationInvoker.invoke
> (JavaImplementationInvoker.java:85)
> at
> org.apache.tuscany.sca.binding.sca.impl.RuntimeSCABindingInvoker.invoke(
> RuntimeSCABindingInvoker.java:48)
> at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(
> JDKInvocationHandler.java:270)
> at org.apache.tuscany.sca.core.invocation.JDKInvocationHandler.invoke(
> JDKInvocationHandler.java:114)
> at $Proxy9.empty(Unknown Source)
> at samples.hex.HexTest.testCartService(HexTest.java:77)
> I tried:
>
> 1. @Conversational + @Scope("STATELESS")
> 2. @Conversational + @Scope("CONVERSATION")
> 3. @Conversational + @Scope("COMPOSITE")
>
> All the above 3 worked fine and did not have the error message above.
>
> Anybody can give me some hints, thanks!
>
> The component definition:
> <component name="CartComponent">
> <implementation.java class="samples.hex.cart.impl.CartImpl"/>
> </component>
>
> The implementation:
> package samples.hex.cart.impl;
>
> import java.util.HashMap;
> import java.util.Map;
>
> import org.osoa.sca.annotations.ConversationID;
> import org.osoa.sca.annotations.Destroy;
> import org.osoa.sca.annotations.Init;
> import org.osoa.sca.annotations.Scope;
> import org.osoa.sca.annotations.Service;
>
> import samples.hex.cart.services.CartService;
>
> @Scope("REQUEST")
> @Service(CartService.class)
> public class CartImpl implements CartService {
>
> @ConversationID
> protected String conversationID;
>
> protected Map<String, Integer> cart;
> @Init
> protected void init(){
> if(cart==null)
> cart = new HashMap<String, Integer>();
> }
>
> public void empty() {
> cart.clear();
> }
>
> public Map<String, Integer> getItems() {
> return cart;
> }
>
> public void updateItem(String itemID, int quantity) {
> if(quantity<=0)
> cart.remove(itemID);
> cart.put(itemID, quantity);
> System.out.println(conversationID + ":" + this);
> }
>
> @Destroy
> protected void destroy(){
> empty();
> }
> }
>
> The interface:
> package samples.hex.cart.services;
>
> import java.util.Map;
>
> import org.osoa.sca.annotations.Conversational;
>
> @Conversational
> public interface CartService{
> public void updateItem(String itemID, int quantity);
> public void empty();
> public Map<String, Integer> getItems();
> }
>
> The Test Code:
> @Test
> public void testCartService(){
> CartService cart = hex.getService(CartService.class,
> "CartComponent/CartService");
> assertNotNull(cart);
> cart.empty();
> }
>
>
>
> --
> Cheers
> Jun Jie Nan
> ∧ ∧��
> ミ^ō^ミ灬)～
>
Hi JunJie
I looks like you've found a bug. Can you raise a JIRA for this and I'll take
a look at it.
Thanks
Simon
