kafka MockSourceTask 源码
kafka MockSourceTask 代码
文件路径：/connect/runtime/src/main/java/org/apache/kafka/connect/tools/MockSourceTask.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.connect.tools;
import org.apache.kafka.common.utils.AppInfoParser;
import org.apache.kafka.connect.source.SourceRecord;
import org.apache.kafka.connect.source.SourceTask;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Collections;
import java.util.List;
import java.util.Map;
public class MockSourceTask extends SourceTask {
private static final Logger log = LoggerFactory.getLogger(MockSourceTask.class);
private String mockMode;
private long startTimeMs;
private long failureDelayMs;
@Override
public String version() {
return AppInfoParser.getVersion();
}
@Override
public void start(Map<String, String> config) {
this.mockMode = config.get(MockConnector.MOCK_MODE_KEY);
if (MockConnector.TASK_FAILURE.equals(mockMode)) {
this.startTimeMs = System.currentTimeMillis();
String delayMsString = config.get(MockConnector.DELAY_MS_KEY);
this.failureDelayMs = MockConnector.DEFAULT_FAILURE_DELAY_MS;
if (delayMsString != null)
failureDelayMs = Long.parseLong(delayMsString);
log.debug("Started MockSourceTask at {} with failure scheduled in {} ms", startTimeMs, failureDelayMs);
}
}
@Override
public List<SourceRecord> poll() {
if (MockConnector.TASK_FAILURE.equals(mockMode)) {
long now = System.currentTimeMillis();
if (now - startTimeMs > failureDelayMs) {
log.debug("Triggering source task failure");
throw new RuntimeException();
}
}
return Collections.emptyList();
}
@Override
public void stop() {
}
}
相关信息
相关文章
kafka SchemaSourceConnector 源码
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