kafka NamedTopologyBuilder 源码
kafka NamedTopologyBuilder 代码
文件路径：/streams/src/main/java/org/apache/kafka/streams/processor/internals/namedtopology/NamedTopologyBuilder.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.streams.processor.internals.namedtopology;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.StreamsConfig;
import org.apache.kafka.streams.TopologyConfig;
import org.apache.kafka.streams.processor.internals.InternalTopologyBuilder;
import java.util.Properties;
public class NamedTopologyBuilder extends StreamsBuilder {
NamedTopologyBuilder(final String topologyName, final StreamsConfig applicationConfigs, final Properties topologyOverrides) {
super(new TopologyConfig(topologyName, applicationConfigs, topologyOverrides));
internalTopologyBuilder.setNamedTopology((NamedTopology) topology);
}
@Override
public synchronized NamedTopology build() {
super.build(internalTopologyBuilder.topologyConfigs().topologyOverrides);
return (NamedTopology) topology;
}
@Override
protected NamedTopology getNewTopology(final TopologyConfig topologyConfigs) {
return new NamedTopology(new InternalTopologyBuilder(topologyConfigs));
}
}
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