/*
* Copyright © 2015-2016 Cask Data, Inc.
*
* 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 co.cask.cdap.proto.id;
import co.cask.cdap.proto.Id;
import co.cask.cdap.proto.element.EntityType;
import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.Objects;
/**
* Uniquely identifies a notification feed.
*/
// TODO: toString() must be namespace.category.feed for backwards compatibility with Id.NotificationFeed
public class NotificationFeedId extends EntityId implements NamespacedId, ParentedId<NamespaceId> {
private final String namespace;
private final String category;
private final String feed;
public NotificationFeedId(String namespace, String category, String feed) {
super(EntityType.NOTIFICATION_FEED);
this.namespace = namespace;
this.category = category;
this.feed = feed;
}
public String getNamespace() {
return namespace;
}
public String getCategory() {
return category;
}
public String getFeed() {
return feed;
}
@Override
public NamespaceId getParent() {
return new NamespaceId(namespace);
}
@Override
public boolean equals(Object o) {
if (!super.equals(o)) {
return false;
}
NotificationFeedId that = (NotificationFeedId) o;
return Objects.equals(namespace, that.namespace) &&
Objects.equals(category, that.category) &&
Objects.equals(feed, that.feed);
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), namespace, category, feed);
}
@Override
public Id.NotificationFeed toId() {
return Id.NotificationFeed.from(namespace, category, feed);
}
@SuppressWarnings("unused")
public static NotificationFeedId fromIdParts(Iterable<String> idString) {
Iterator<String> iterator = idString.iterator();
return new NotificationFeedId(
next(iterator, "namespace"), next(iterator, "category"),
nextAndEnd(iterator, "feed"));
}
@Override
protected Iterable<String> toIdParts() {
return Collections.unmodifiableList(Arrays.asList(namespace, category, feed));
}
public static NotificationFeedId fromString(String string) {
return EntityId.fromString(string, NotificationFeedId.class);
}
}