kafka.utils.Exit.scala 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 kafka.utils
import org.apache.kafka.common.utils.{Exit => JExit}
/**
* Internal class that should be used instead of `System.exit()` and `Runtime.getRuntime().halt()` so that tests can
* easily change the behaviour.
*/
object Exit {
def exit(statusCode: Int, message: Option[String] = None): Nothing = {
JExit.exit(statusCode, message.orNull)
throw new AssertionError("exit should not return, but it did.")
}
def halt(statusCode: Int, message: Option[String] = None): Nothing = {
JExit.halt(statusCode, message.orNull)
throw new AssertionError("halt should not return, but it did.")
}
def addShutdownHook(name: String, shutdownHook: => Unit): Unit = {
JExit.addShutdownHook(name, () => shutdownHook)
}
def setExitProcedure(exitProcedure: (Int, Option[String]) => Nothing): Unit =
JExit.setExitProcedure(functionToProcedure(exitProcedure))
def setHaltProcedure(haltProcedure: (Int, Option[String]) => Nothing): Unit =
JExit.setHaltProcedure(functionToProcedure(haltProcedure))
def setShutdownHookAdder(shutdownHookAdder: (String, => Unit) => Unit): Unit = {
JExit.setShutdownHookAdder((name, runnable) => shutdownHookAdder(name, runnable.run()))
}
def resetExitProcedure(): Unit =
JExit.resetExitProcedure()
def resetHaltProcedure(): Unit =
JExit.resetHaltProcedure()
def resetShutdownHookAdder(): Unit =
JExit.resetShutdownHookAdder()
private def functionToProcedure(procedure: (Int, Option[String]) => Nothing) = new JExit.Procedure {
def execute(statusCode: Int, message: String): Unit = procedure(statusCode, Option(message))
}
}