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Utils.java
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Utils.java
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/*
* 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.zeppelin.spark;
import org.apache.zeppelin.interpreter.InterpreterContext;
import org.apache.zeppelin.interpreter.InterpreterException;
import org.apache.zeppelin.user.AuthenticationInfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.util.Properties;
/**
* Utility and helper functions for the Spark Interpreter
*/
class Utils {
private static final Logger LOGGER = LoggerFactory.getLogger(Utils.class);
private static String DEPRECATED_MESSAGE =
"%html <font color=\"red\">Spark lower than 2.2 is deprecated, " +
"if you don't want to see this message, please set " +
"zeppelin.spark.deprecateMsg.show to false.</font>";
public static String buildJobGroupId(InterpreterContext context) {
String uName = "anonymous";
if (context.getAuthenticationInfo() != null) {
uName = getUserName(context.getAuthenticationInfo());
}
return "zeppelin|" + uName + "|" + context.getNoteId() + "|" + context.getParagraphId();
}
public static String buildJobDesc(InterpreterContext context) {
return "Started by: " + getUserName(context.getAuthenticationInfo());
}
public static String getUserName(AuthenticationInfo info) {
String uName = "";
if (info != null) {
uName = info.getUser();
}
if (uName == null || uName.isEmpty()) {
uName = "anonymous";
}
return uName;
}
public static void printDeprecateMessage(SparkVersion sparkVersion,
InterpreterContext context,
Properties properties) throws InterpreterException {
context.out.clear();
if (sparkVersion.olderThan(SparkVersion.SPARK_2_2_0)
&& Boolean.parseBoolean(
properties.getProperty("zeppelin.spark.deprecatedMsg.show", "true"))) {
try {
context.out.write(DEPRECATED_MESSAGE);
context.out.write("%text ");
} catch (IOException e) {
throw new InterpreterException(e);
}
}
}
}