com.google.gwt.query.client.plugins.deferred.PromiseFunction Maven / Gradle / Ivy
/*
* Copyright 2013, The gwtquery team.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.query.client.plugins.deferred;
import com.google.gwt.query.client.plugins.deferred.Deferred.DeferredPromiseImpl;
/**
* Utility class used to create customized promises which can manipulate
* the associated deferred object.
*
* Promise doSomething = new PromiseFunction() {
* @Override
* public void f(Deferred dfd) {
* dfd.notify("hi");
* dfd.resolve("done");
* }
* };
*
* doSomething.progress(new Function() {
* public void f() {
* String hi = arguments(0);
* }
* }).done(new Function() {
* public void f() {
* String done = arguments(0);
* }
* });
*
*/
public abstract class PromiseFunction extends DeferredPromiseImpl {
public PromiseFunction() {
f(dfd);
}
/**
* This function is called once when the promise is created and the
* new deferred is available.
*/
public abstract void f(Deferred dfd);
}