78 lines
2.3 KiB
Kotlin
78 lines
2.3 KiB
Kotlin
/*
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* Copyright 2020 dorkbox, llc
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* Copyright (C) 2014 ZeroTurnaround <support@zeroturnaround.com>
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* Contains fragments of code from Apache Commons Exec, rights owned
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* by Apache Software Foundation (ASF).
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkbox.executor.listener
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import dorkbox.executor.Executor
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import dorkbox.executor.processResults.ProcessResult
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/**
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* Event handler for process events.
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*
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* This is a class instead of interface in order to add new methods without updating all implementations.
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*
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* @author Rein Raudjärv
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*
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* @see Executor.addListener
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*/
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abstract class ProcessListener {
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/**
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* Invoked before a process is started.
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*
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* @param executor executor used for starting a process.
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*
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* Any changes made here apply to the starting process.
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* Once the process has started it is not affected by the [Executor] any more.
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*/
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open fun beforeStart(executor: Executor) {
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// do nothing
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}
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/**
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* Invoked after a process has started.
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*
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* @param process the process started.
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* @param executor executor used for starting the process.
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*
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* Modifying the [Executor] only affects the following processes not the one just started.
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*/
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open fun afterStart(process: Process, executor: Executor) {
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// do nothing
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}
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/**
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* Invoked after a process has finished successfully.
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*
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* @param process process just finished.
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* @param result result of the finished process.
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*/
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open fun afterFinish(process: Process, result: ProcessResult) {
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// do nothing
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}
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/**
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* Invoked after a process has exited (whether finished or cancelled).
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*
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* @param process process just stopped.
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*/
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open fun afterStop(process: Process) {
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// do nothing
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}
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}
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