gwt rpc generics java.lang.Class

Hi to all,

i am facing a problem with the java generics in rpc. I have implemented a rpc service using the java.lang.class<T> generic and while it works fine when i test it, it cannot be compiled. I have serialized the class that i need to pass through the rpc and i have implemented the default empty constructor but it still does not compile.

Here is my service and the class that i need to pass through the generic.

package com.client.model.mybay.browse;

import java.util.ArrayList;

import com.google.gwt.user.client.rpc.RemoteService;

import com.google.gwt.user.client.rpc.RemoteServiceRelativePath;

import com.shared.source.MySource;

@RemoteServiceRelativePath("categoryService")

public interface CategoryBrowseService extends RemoteService{

ArrayList<MySource> getSourceList(Class<? extends MySource> classType);

}

package com.client.model.mybay.browse;

import java.util.ArrayList;

import com.google.gwt.user.client.rpc.AsyncCallback;

import com.shared.source.MySource;

public interface CategoryBrowseServiceAsync {

void getSourceList(Class<? extends MySource> classType,

AsyncCallback<ArrayList<MySource>> callback);

}

package com.sourcebay.shared.source;

import java.util.Date;

import javax.jdo.annotations.IdGeneratorStrategy;

import javax.jdo.annotations.Inheritance;

import javax.jdo.annotations.InheritanceStrategy;

import javax.jdo.annotations.PersistenceCapable;

import javax.jdo.annotations.Persistent;

import javax.jdo.annotations.PrimaryKey;

import com.google.gwt.user.client.rpc.IsSerializable;

@PersistenceCapable

@Inheritance(strategy = InheritanceStrategy.SUBCLASS_TABLE)

public abstract class MySource implements IsSerializable {

@PrimaryKey

@Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY)

private Long id;

@Persistent

private String userId;

@Persistent

private String title;

@Persistent

private String description;

@Persistent

private String blobKey;

@Persistent

private String youtubeLink;

@Persistent

private String personalLink;

@Persistent

private Date submitedDate;

@Persistent

private float price;

public MySource() {

}

public float getPrice() {

return price;

}

public void setPrice(float price) {

this.price = price;

}

public String getUserId() {

return userId;

}

public void setUserId(String userId) {

this.userId = userId;

}

public String getTitle() {

return title;

}

public void setTitle(String title) {

this.title = title;

}

public String getDescription() {

return description;

}

public void setDescription(String description) {

this.description = description;

}

public String getBlobKey() {

return blobKey;

}

public void setBlobKey(String blobKey) {

this.blobKey = blobKey;

}

public String getYoutubeLink() {

return youtubeLink;

}

public void setYoutubeLink(String youtubeLink) {

this.youtubeLink = youtubeLink;

}

public String getPersonalLink() {

return personalLink;

}

public void setPersonalLink(String personalLink) {

this.personalLink = personalLink;

}

public Date getSubmitedDate() {

return submitedDate;

}

public void setSubmitedDate(Date submitedDate) {

this.submitedDate = submitedDate;

}

public Long getId() {

return id;

}

}

I am using AppEngine 1.7.1 and GWT 2.4.0. Does anybody have any idea how to fix this?

Thanks in advance,

Ste

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