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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