org.apache.kafka.image.node.TopicsImageByNameNode Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.kafka.image.node;
import org.apache.kafka.image.TopicImage;
import org.apache.kafka.image.TopicsImage;
import java.util.Collection;
public class TopicsImageByNameNode implements MetadataNode {
/**
* The name of this node.
*/
public final static String NAME = "byName";
/**
* The topics image.
*/
private final TopicsImage image;
public TopicsImageByNameNode(TopicsImage image) {
this.image = image;
}
@Override
public Collection childNames() {
return image.topicsByName().keySet();
}
@Override
public MetadataNode child(String name) {
TopicImage topicImage = image.topicsByName().get(name);
if (topicImage == null) return null;
return new TopicImageNode(topicImage);
}
}