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How to use LazyCleanupRegistration method of org.testingisdocumenting.webtau.cli.CliBackgroundCommandManager class

Best Webtau code snippet using org.testingisdocumenting.webtau.cli.CliBackgroundCommandManager.LazyCleanupRegistration

Source:CliBackgroundCommandManager.java

...32    // and will remain for a test run33    private static final ThreadLocal<Map<Integer, CliBackgroundCommand>> localRunningCommands =34            ThreadLocal.withInitial(LinkedHashMap::new);35    static void register(CliBackgroundCommand backgroundCommand) {36        LazyCleanupRegistration.INSTANCE.noOp();37        validateProcessActive(backgroundCommand);38        int pid = backgroundCommand.getBackgroundProcess().getPid();39        runningCommands.put(pid, backgroundCommand);40        localRunningCommands.get().put(pid, backgroundCommand);41    }42    static void remove(CliBackgroundCommand backgroundCommand) {43        validateProcessActive(backgroundCommand);44        runningCommands.remove(backgroundCommand.getBackgroundProcess().getPid());45    }46    @Override47    public void beforeTestRun(WebTauTest test) {48        localRunningCommands.get().clear();49        localRunningCommands.get().putAll(runningCommands);50        runningCommands.values().forEach(CliBackgroundCommand::clearThreadLocal);51    }52    @Override53    public void afterTestRun(WebTauTest test) {54        Map<Integer, CliBackgroundCommand> combinedCommands = new LinkedHashMap<>(runningCommands);55        combinedCommands.putAll(localRunningCommands.get());56        List<Map<String, ?>> backgroundCommands = combinedCommands.values()57                .stream()58                .map(CliBackgroundCommand::toMap)59                .collect(Collectors.toList());60        test.addTestResultPayload(new TestResultPayload("cliBackground", backgroundCommands));61    }62    static synchronized void destroyActiveProcesses() {63        runningCommands.values().stream()64                .filter(CliBackgroundCommand::isActive)65                .forEach(CliBackgroundCommand::stop);66        runningCommands.clear();67    }68    private static void validateProcessActive(CliBackgroundCommand backgroundCommand) {69        if (backgroundCommand.getBackgroundProcess() == null) {70            throw new IllegalStateException("process should not be null");71        }72    }73    private static class LazyCleanupRegistration {74        private static final LazyCleanupRegistration INSTANCE = new LazyCleanupRegistration();75        private LazyCleanupRegistration() {76            CleanupRegistration.registerForCleanup("shutting down", "shut down", "cli background processes",77                    () -> runningCommands.values().stream().anyMatch(CliBackgroundCommand::isActive),78                    CliBackgroundCommandManager::destroyActiveProcesses);79        }80        // to trigger class loading and shutdown hook registration81        private void noOp() {82        }83    }84}...

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