/*
* Copyright (C) 2015 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.ui.nav.client.local;
import org.jboss.errai.common.client.util.CreationalCallback;
import org.jboss.errai.ioc.client.container.IOC;
/**
* This class works like a {@link TransitionTo} but where the target is a {@link UniquePageRole}. By
* injecting and instance of this class you declare a compile-time dependency on the existence of a
* {@link Page} with the {@link UniquePageRole} of type {@code U}.
*
* @author Max Barkley <mbarkley@redhat.com>
* @param <U>
* The type of {@link UniquePageRole} that this transition navigates to.
*/
public final class TransitionToRole<U extends UniquePageRole> {
private Class<U> uniquePageRole;
public TransitionToRole(final Class<U> uniquePageRole) {
this.uniquePageRole = uniquePageRole;
}
public void go() {
IOC.getAsyncBeanManager().lookupBean(Navigation.class).getInstance(new CreationalCallback<Navigation>() {
@Override
public void callback(final Navigation navigation) {
navigation.goToWithRole(uniquePageRole);
}
});
}
public Class<U> toUniquePageRole() {
return uniquePageRole;
}
}