com.avos.avoscloud

Class FunctionCallback<T>

java.lang.Object

com.avos.avoscloud.AVCallback<T>

com.avos.avoscloud.FunctionCallback<T>

public abstract class FunctionCallback<T>
extends AVCallback<T>

A FunctionCallback is used to run code after AVCloud.callFunction(java.lang.String, java.util.Map) is used to run a Cloud Function in a background thread.

The easiest way to use a FunctionCallback is through an anonymous inner class. Override the done function to specify what the callback should do after the cloud function is complete. The done function will be run in the UI thread, while the fetch happens in a background thread. This ensures that the UI does not freeze while the fetch happens.

For example, this sample code calls a cloud function "MyFunction" with params and calls a different function depending on whether the function succeeded.

  AVCloud.callFunctionInBackground("MyFunction"new, params, FunctionCallback() {
         public void done(AVObject object, AVException e) {
             if (e == null) {
                 cloudFunctionSucceeded(object);
             } else {
                 cloudFunctionFailed();
             }
         }
     });

 

Constructor Summary

Constructors

Constructor and Description
FunctionCallback()

Method Summary

Modifier and Type	Method and Description
abstract void	done(T object, AVException e) Override this function with the code you want to run after the cloud function is complete.
protected void	internalDone0(T returnValue, AVException e)

Methods inherited from class com.avos.avoscloud.AVCallback

internalDone, internalDone, mustRunOnUIThread

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionCallback

public FunctionCallback()

Method Detail

done

public abstract void done(T object,
                          AVException e)

Override this function with the code you want to run after the cloud function is complete.

Parameters:

object - The object that was returned by the cloud function.

e - The exception raised by the cloud call, or null if it succeeded.

internalDone0

protected final void internalDone0(T returnValue,
                                   AVException e)

Specified by:

internalDone0 in class AVCallback<T>