kafka BasicTopology 源码
kafka BasicTopology 代码
文件路径：/trogdor/src/main/java/org/apache/kafka/trogdor/basic/BasicTopology.java
/*
* 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.trogdor.basic;
import com.fasterxml.jackson.databind.JsonNode;
import org.apache.kafka.trogdor.common.Node;
import org.apache.kafka.trogdor.common.Topology;
import java.util.Iterator;
import java.util.NavigableMap;
import java.util.TreeMap;
public class BasicTopology implements Topology {
private final NavigableMap<String, Node> nodes;
public BasicTopology(NavigableMap<String, Node> nodes) {
this.nodes = nodes;
}
public BasicTopology(JsonNode configRoot) {
if (!configRoot.isObject()) {
throw new RuntimeException("Expected the 'nodes' element to be " +
"a JSON object.");
}
nodes = new TreeMap<>();
for (Iterator<String> iter = configRoot.fieldNames(); iter.hasNext(); ) {
String nodeName = iter.next();
JsonNode nodeConfig = configRoot.get(nodeName);
BasicNode node = new BasicNode(nodeName, nodeConfig);
nodes.put(nodeName, node);
}
}
@Override
public Node node(String id) {
return nodes.get(id);
}
@Override
public NavigableMap<String, Node> nodes() {
return nodes;
}
}
相关信息
相关文章
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦