/*
* Copyright (C) 2012 Red Hat, Inc. and/or its affiliates.
*
* 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 org.jboss.errai.ioc.client.container.async;
import org.jboss.errai.common.client.util.CreationalCallback;
/**
* @author Mike Brock
*/
public class AsyncBeanFuture<T> {
private T value;
private CreationalCallback<T> creationalCallback;
public AsyncBeanFuture(final CreationalCallback<T> creationalCallback) {
this.creationalCallback = new CreationalCallback<T>() {
@Override
public void callback(final T beanInstance) {
value = beanInstance;
if (creationalCallback != null) {
creationalCallback.callback(beanInstance);
}
}
};
}
public T get() {
if (value == null) {
throw new AsyncBeanNotLoaded();
}
return value;
}
public boolean isLoaded() {
return value != null;
}
public CreationalCallback<T> getCreationalCallback() {
return creationalCallback;
}
}