Examples with ApplicationListener com.oracle.bedrock.runtime.ApplicationListener used on opensource projects

Example 1 with ApplicationListener

use of com.oracle.bedrock.runtime.ApplicationListener in project oracle-bedrock by coherence-community.

the class AbstractRemoteApplicationLauncher method launch.

@Override
public A launch(Platform platform, MetaClass<A> metaClass, OptionsByType optionsByType) {
    // establish the diagnostics output table
    Table diagnosticsTable = new Table();
    diagnosticsTable.getOptions().add(Table.orderByColumn(0));
    if (platform != null) {
        diagnosticsTable.addRow("Target Platform", platform.getName());
    }
    // ----- establish the launch Options for the Application -----
    // add the platform options
    OptionsByType launchOptions = OptionsByType.of(platform.getOptions()).addAll(optionsByType);
    // add the meta-class options
    metaClass.onLaunching(platform, launchOptions);
    // ---- establish the default Options ----
    // define the PlatformSeparators as Unix if they are not already defined
    launchOptions.addIfAbsent(PlatformSeparators.forUnix());
    // define the default Platform Shell (assume BASH)
    launchOptions.addIfAbsent(Shell.is(Shell.Type.BASH));
    // define the "local.address" variable so that is can be used for resolving this platform address
    launchOptions.add(Variable.with("local.address", LocalPlatform.get().getAddress().getHostAddress()));
    // ----- establish an identity for the application -----
    // add a unique runtime id for expression support
    launchOptions.add(Variable.with("bedrock.runtime.id", UUID.randomUUID()));
    // ----- establish default Profiles for this Platform (and Builder) -----
    // auto-detect and add externally defined profiles
    launchOptions.addAll(Profiles.getProfiles());
    for (Profile profile : launchOptions.getInstancesOf(Profile.class)) {
        profile.onLaunching(platform, metaClass, launchOptions);
    }
    // ----- add the diagnostic table to the options so it can be used by the terminal -----
    launchOptions.add(diagnosticsTable);
    // ----- prior to launching the application, let the implementation enhance the launch options -----
    onLaunching(launchOptions);
    // ----- give the MetaClass a last chance to manipulate any options -----
    metaClass.onLaunch(platform, launchOptions);
    // ----- determine the display name for the application -----
    DisplayName displayName = getDisplayName(launchOptions);
    // determine the Executable
    Executable executable = launchOptions.get(Executable.class);
    // ----- deploy remote application artifacts -----
    // determine the DeploymentArtifacts based on those specified by the Deployment option
    ArrayList<DeploymentArtifact> artifactsToDeploy = new ArrayList<>();
    Deployment deployment = launchOptions.get(Deployment.class);
    if (deployment != null) {
        try {
            artifactsToDeploy.addAll(deployment.getDeploymentArtifacts(platform, launchOptions));
        } catch (Exception e) {
            throw new RuntimeException("Failed to determine artifacts to deploy", e);
        }
    }
    // determine the separators for the platform
    PlatformSeparators separators = launchOptions.get(PlatformSeparators.class);
    // assume the remote directory is the working directory
    WorkingDirectory workingDirectory = launchOptions.getOrSetDefault(WorkingDirectory.class, WorkingDirectory.temporaryDirectory());
    File remoteDirectoryFile = workingDirectory.resolve(platform, launchOptions);
    if (remoteDirectoryFile == null) {
        remoteDirectoryFile = WorkingDirectory.temporaryDirectory().resolve(platform, launchOptions);
    }
    String remoteDirectory = separators.asPlatformFileName(remoteDirectoryFile.toString());
    // Set the resolved working directory back into the options
    launchOptions.add(WorkingDirectory.at(remoteDirectoryFile));
    if (remoteDirectoryFile != null) {
        diagnosticsTable.addRow("Working Directory", remoteDirectoryFile.toString());
    }
    // Obtain the RemoteShell that will be used to launch the process
    RemoteTerminalBuilder terminalBuilder = launchOptions.getOrSetDefault(RemoteTerminalBuilder.class, RemoteTerminals.ssh());
    RemoteTerminal terminal = terminalBuilder.build(platform);
    // create the working directory
    terminal.makeDirectories(remoteDirectory, launchOptions);
    // deploy any artifacts required
    Deployer deployer = launchOptions.getOrSetDefault(Deployer.class, new SftpDeployer());
    DeployedArtifacts deployedArtifacts = deployer.deploy(artifactsToDeploy, remoteDirectory, platform, launchOptions.asArray());
    // add the remote directory as something to clean up
    deployedArtifacts.add(remoteDirectoryFile);
    if (!deployedArtifacts.isEmpty()) {
        // when we've deployed artifacts we need to add a listener to clean them up
        launchOptions.add(Decoration.of(new ApplicationListener<A>() {

            @Override
            public void onClosing(A application, OptionsByType optionsByType) {
            // nothing to do on closing
            }

            @Override
            public void onClosed(A application, OptionsByType optionsByType) {
                Level logLevel = optionsByType.get(LaunchLogging.class).isEnabled() ? Level.INFO : Level.OFF;
                try (DiagnosticsRecording diagnostics = DiagnosticsRecording.create("Undeploy Diagnostics for " + application.getName() + " on platform " + platform.getName()).using(LOGGER, logLevel)) {
                    diagnostics.add("Platform", "Resource");
                    try (DiagnosticsRecording local = DiagnosticsRecording.section("Local Platform")) {
                        // clean up the locally created temporary artifacts
                        artifactsToDeploy.stream().filter(DeploymentArtifact::isTemporary).forEach(artifact -> {
                            try {
                                // attempt to remove the local file
                                artifact.getSourceFile().delete();
                                // include diagnostics
                                local.add(artifact.getSourceFile().toString());
                            } catch (Exception e) {
                                // log exceptions when attempting to remove local sources
                                LOGGER.log(Level.WARNING, "Failed to remove temporary " + artifact.toString() + " for application " + application.getName(), e);
                                // include diagnostics
                                local.add(artifact.getSourceFile() + " (failed to undeploy)");
                            }
                        });
                    }
                    // undeploy the deployed artifacts
                    deployer.undeploy(deployedArtifacts, platform, launchOptions.asArray());
                }
            }

            @Override
            public void onLaunched(A application) {
            // nothing to do after launching
            }
        }));
    }
    // Realize the application arguments
    Arguments arguments = launchOptions.get(Arguments.class);
    List<String> argList = arguments.resolve(platform, launchOptions);
    // Set the actual arguments used back into the options
    launchOptions.add(Arguments.of(argList));
    // TODO: put a try/catch around the terminal.launch here so we can clean up the RemoteExecutor if
    // the application failed to launch
    // determine the application class that will represent the running application
    Class<? extends A> applicationClass = metaClass.getImplementationClass(platform, launchOptions);
    diagnosticsTable.addRow("Application", displayName.resolve(launchOptions));
    if (argList.size() > 0) {
        diagnosticsTable.addRow("Application Arguments ", argList.stream().collect(Collectors.joining(" ")));
    }
    diagnosticsTable.addRow("Application Launch Time", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
    // ----- start the process and establish the application -----
    // launch the remote process
    RemoteApplicationProcess remoteProcess = terminal.launch(this, applicationClass, launchOptions);
    // adapt the remote process into something that the application can use
    ApplicationProcess process = adapt(remoteProcess);
    // create the Application based on the RemoteApplicationProcess
    A application;
    try {
        // attempt to find a constructor(Platform, JavaApplicationProcess, Options)
        Constructor<? extends A> constructor = ReflectionHelper.getCompatibleConstructor(applicationClass, platform.getClass(), process.getClass(), OptionsByType.class);
        // create the application
        application = constructor.newInstance(platform, process, launchOptions);
    } catch (Exception e) {
        throw new RuntimeException("Failed to instantiate the Application class specified by the MetaClass:" + metaClass, e);
    }
    // ----- after launching the application, let the implementation interact with the application -----
    onLaunched(application, launchOptions);
    // ----- notify the MetaClass that the application has been launched -----
    metaClass.onLaunched(platform, application, launchOptions);
    for (Profile profile : launchOptions.getInstancesOf(Profile.class)) {
        profile.onLaunched(platform, application, launchOptions);
    }
    // notify the ApplicationListener-based Options that the application has been launched
    for (ApplicationListener listener : launchOptions.getInstancesOf(ApplicationListener.class)) {
        listener.onLaunched(application);
    }
    return application;
}

Example 2 with ApplicationListener

use of com.oracle.bedrock.runtime.ApplicationListener in project oracle-bedrock by coherence-community.

the class LocalJavaApplicationLauncher method launch.

@Override
public A launch(Platform platform, MetaClass<A> metaClass, OptionsByType optionsByType) {
    // establish the diagnostics output table
    Table diagnosticsTable = new Table();
    diagnosticsTable.getOptions().add(Table.orderByColumn(0));
    if (platform != null) {
        diagnosticsTable.addRow("Target Platform", platform.getName());
    }
    // ----- establish the launch Options for the Application -----
    // add the platform options
    OptionsByType launchOptions = OptionsByType.of(platform.getOptions().asArray());
    // add the meta-class options
    metaClass.onLaunching(platform, launchOptions);
    // add the launch specific options
    launchOptions.addAll(optionsByType);
    // ----- establish an identity for the application -----
    // add a unique runtime id for expression support
    launchOptions.add(Variable.with("bedrock.runtime.id", UUID.randomUUID()));
    // ----- establish default Profiles for this Platform (and Builder) -----
    // java applications can automatically detect the following profiles
    launchOptions.get(RemoteDebugging.class);
    launchOptions.get(CommercialFeatures.class);
    // auto-detect and add externally defined profiles
    launchOptions.addAll(Profiles.getProfiles());
    for (Profile profile : launchOptions.getInstancesOf(Profile.class)) {
        profile.onLaunching(platform, metaClass, launchOptions);
    }
    // ----- give the MetaClass a last chance to manipulate any options -----
    metaClass.onLaunch(platform, launchOptions);
    // ----- determine the display name for the application -----
    DisplayName displayName = getDisplayName(launchOptions);
    // ----- establish the underlying ProcessBuilder -----
    // determine the Executable, defaulting to "java" if not defined
    Executable executable = launchOptions.getOrSetDefault(Executable.class, Executable.named("java"));
    // we'll use the native operating system process builder to create
    // and manage the local application process
    LocalProcessBuilder processBuilder = createProcessBuilder(executable.getName());
    // ----- establish the working directory -----
    // set the working directory for the Process
    WorkingDirectory workingDirectory = launchOptions.getOrSetDefault(WorkingDirectory.class, WorkingDirectory.currentDirectory());
    File directory = workingDirectory.resolve(platform, launchOptions);
    // set the resolved working directory back into the options
    launchOptions.add(WorkingDirectory.at(directory));
    if (directory != null) {
        processBuilder.directory(directory);
        diagnosticsTable.addRow("Working Directory", directory.toString());
    }
    // ----- establish environment variables -----
    EnvironmentVariables environmentVariables = launchOptions.get(EnvironmentVariables.class);
    switch(environmentVariables.getSource()) {
        case Custom:
            processBuilder.environment().clear();
            diagnosticsTable.addRow("Environment Variables", "(cleared)");
            break;
        case ThisApplication:
            Map<String, String> map = System.getenv();
            processBuilder.environment().clear();
            processBuilder.environment().putAll(map);
            diagnosticsTable.addRow("Environment Variables", "(based on parent process)");
            break;
        case TargetPlatform:
            diagnosticsTable.addRow("Environment Variables", "(based on platform defaults)");
            break;
    }
    // add the optionally defined environment variables
    Properties variables = environmentVariables.realize(platform, launchOptions.asArray());
    for (String variableName : variables.stringPropertyNames()) {
        processBuilder.environment().put(variableName, variables.getProperty(variableName));
    }
    if (variables.size() > 0) {
        Table table = Tabularize.tabularize(variables);
        diagnosticsTable.addRow("", table.toString());
    }
    // ----- establish java specific environment variables -----
    // by default we use the java home defined by the schema.  if that's not
    // defined we'll attempt to use the java home defined by this builder.
    JavaHome javaHome = launchOptions.get(JavaHome.class);
    // (using the system property)
    if (javaHome == null) {
        javaHome = JavaHome.at(System.getProperty("java.home", null));
    }
    if (javaHome != null) {
        processBuilder.environment().put("JAVA_HOME", StringHelper.doubleQuoteIfNecessary(javaHome.get()));
    }
    // ----- establish the command to start java -----
    String javaExecutable;
    if (javaHome == null) {
        // when we don't have a java home we just use the defined executable
        javaExecutable = StringHelper.doubleQuoteIfNecessary(executable.getName());
    } else {
        // when we have a java home, we prefix the executable name with the java.home/bin/
        String javaHomePath = javaHome.get();
        javaHomePath = javaHomePath.trim();
        diagnosticsTable.addRow("Java Home", javaHomePath);
        if (!javaHomePath.endsWith(File.separator)) {
            javaHomePath = javaHomePath + File.separator;
        }
        javaExecutable = StringHelper.doubleQuoteIfNecessary(javaHomePath + "bin" + File.separator + executable.getName());
    }
    processBuilder.command(javaExecutable);
    diagnosticsTable.addRow("Java Executable", javaExecutable);
    // ----- establish the class path -----
    JavaModules modular = launchOptions.get(JavaModules.class);
    boolean useModules = modular.isEnabled();
    // determine the predefined class path based on the launch options
    ClassPath classPath = launchOptions.get(ClassPath.class);
    try {
        // include the ClassPath of the Platform
        classPath = new ClassPath(classPath, ClassPath.ofClass(platform.getClass()));
        // include the ClassPath of each of the Options
        for (Option option : launchOptions.getInstancesOf(Option.class)) {
            classPath = new ClassPath(classPath, ClassPath.ofClass(option.getClass()));
        }
        // include the application runner (if defined)
        BedrockRunner bedrockRunner = optionsByType.get(BedrockRunner.class);
        if (bedrockRunner != null && bedrockRunner.isEnabled()) {
            // include the JavaApplicationLauncher
            classPath = new ClassPath(classPath, ClassPath.ofClass(bedrockRunner.getClassOfRunner()));
        }
        // add the updated ClassPath back into the launch options
        launchOptions.add(classPath);
    } catch (IOException e) {
        throw new RuntimeException("Failed to locate required classes for the class path", e);
    }
    processBuilder.command().add(useModules ? "--module-path" : "-cp");
    processBuilder.command().add(classPath.toString(launchOptions.asArray()));
    if (useModules) {
        Table modulePathTable = classPath.getTable();
        modulePathTable.getOptions().add(Cell.Separator.of(""));
        diagnosticsTable.addRow("Module Path", modulePathTable.toString());
        ClassPath path = modular.getClassPath();
        if (path != null && !path.isEmpty()) {
            processBuilder.command().add("-cp");
            processBuilder.command().add(path.toString(launchOptions.asArray()));
            Table classPathTable = path.getTable();
            classPathTable.getOptions().add(Cell.Separator.of(""));
            diagnosticsTable.addRow("Class Path", classPathTable.toString());
        }
    } else {
        Table classPathTable = classPath.getTable();
        classPathTable.getOptions().add(Cell.Separator.of(""));
        diagnosticsTable.addRow("Class Path", classPathTable.toString());
    }
    String applicationName = displayName.resolve(launchOptions);
    // ----- establish Bedrock specific system properties -----
    // configure a server channel to communicate with the native process
    final SocketBasedRemoteChannelServer server = new SocketBasedRemoteChannelServer(applicationName);
    // register the defined RemoteEventListeners with the server so that when the application starts
    // the listeners can immediately start receiving RemoteEvents
    RemoteEvents remoteEvents = launchOptions.get(RemoteEvents.class);
    remoteEvents.forEach((remoteEventListener, listenerOptions) -> server.addListener(remoteEventListener, listenerOptions));
    try {
        // NOTE: this listens on the wildcard address on an ephemeral port
        server.open();
    } catch (IOException e) {
        throw new RuntimeException("Failed to create remote execution server for the application", e);
    }
    // add Bedrock specific System Properties
    // NOTE: the Bedrock parent address for locally created applications is always "loopback" as
    // i). they are always running locally,
    // ii). they only need to connect locally, and
    // iii). the "loopback" interface should work regardless of the network we're on.
    InetAddress parentAddress;
    IPv4Preferred iPv4Preferred = launchOptions.get(IPv4Preferred.class);
    if (iPv4Preferred.isPreferred()) {
        // we have to provide the schema with an IPv4 address!
        try {
            parentAddress = InetAddress.getByName("127.0.0.1");
        } catch (UnknownHostException e) {
            // TODO: log that we couldn't determine the loopback address!
            parentAddress = InetAddress.getLoopbackAddress();
        }
    } else {
        // when the schema doesn't care, we can default to what this platform chooses
        parentAddress = InetAddress.getLoopbackAddress();
    }
    Table systemPropertiesTable = new Table();
    systemPropertiesTable.getOptions().add(Table.orderByColumn(0));
    systemPropertiesTable.getOptions().add(Cell.Separator.of(""));
    // establish the URI for this (parent) process
    String parentURI = "//" + parentAddress.getHostAddress() + ":" + server.getPort();
    systemPropertiesTable.addRow(Settings.PARENT_URI, parentURI.toString());
    processBuilder.command().add("-D" + Settings.PARENT_URI + "=" + parentURI);
    // add Orphanable configuration
    Orphanable orphanable = launchOptions.get(Orphanable.class);
    processBuilder.command().add("-D" + Settings.ORPHANABLE + "=" + orphanable.isOrphanable());
    systemPropertiesTable.addRow(Settings.ORPHANABLE, Boolean.toString(orphanable.isOrphanable()));
    // ----- establish the system properties for the java application -----
    // define the system properties based on those defined by the launch options
    Properties systemProperties = launchOptions.get(SystemProperties.class).resolve(platform, launchOptions);
    for (String propertyName : systemProperties.stringPropertyNames()) {
        String propertyValue = systemProperties.getProperty(propertyName);
        // (we don't want to have "parents" applications effect child applications
        if (propertyName.startsWith("bedrock.profile.") || !propertyName.startsWith("bedrock")) {
            processBuilder.command().add("-D" + propertyName + (propertyValue.isEmpty() ? "" : "=" + propertyValue));
            systemPropertiesTable.addRow(propertyName, propertyValue);
        }
    }
    diagnosticsTable.addRow("System Properties", systemPropertiesTable.toString());
    // ----- establish Java Virtual Machine options -----
    StringBuilder jvmOptions = new StringBuilder();
    for (JvmOption jvmOption : launchOptions.getInstancesOf(JvmOption.class)) {
        for (String value : jvmOption.resolve(launchOptions)) {
            processBuilder.command().add(value);
            if (jvmOptions.length() > 0) {
                jvmOptions.append(" ");
            }
            jvmOptions.append(value);
        }
    }
    if (jvmOptions.length() > 0) {
        diagnosticsTable.addRow("Java Options", jvmOptions.toString());
    }
    for (String propertyName : System.getProperties().stringPropertyNames()) {
        if (propertyName.startsWith("bedrock.runtime.inherit.")) {
            // resolve the property value
            String propertyValue = System.getProperty(propertyName);
            // evaluate any expressions in the property value
            ExpressionEvaluator evaluator = new ExpressionEvaluator(launchOptions.get(Variables.class));
            propertyValue = evaluator.evaluate(propertyValue, String.class);
            processBuilder.command().add(propertyValue);
        }
    }
    // ----- establish the application command line to execute -----
    // use the launcher to launch the application
    // (we don't start the application directly itself)
    String applicationLauncherClassName = JavaApplicationRunner.class.getName();
    if (useModules) {
        applicationLauncherClassName = "com.oracle.bedrock.runtime/" + applicationLauncherClassName;
        processBuilder.command().add("-m");
    }
    processBuilder.command().add(applicationLauncherClassName);
    // set the Java application class name we need to launch
    ClassName className = launchOptions.get(ClassName.class);
    if (className == null) {
        throw new IllegalArgumentException("Java Application ClassName not specified");
    }
    String applicationClassName = className.getName();
    processBuilder.command().add(applicationClassName);
    diagnosticsTable.addRow("Application Launcher", applicationLauncherClassName);
    diagnosticsTable.addRow("Application Class", applicationClassName);
    diagnosticsTable.addRow("Application", applicationName);
    // ----- included the java arguments to the command -----
    List<String> argList = launchOptions.get(Arguments.class).resolve(platform, launchOptions);
    // Set the actual arguments used back into the options
    launchOptions.add(Arguments.of(argList));
    String arguments = "";
    for (String argument : argList) {
        processBuilder.command().add(argument);
        arguments += argument + " ";
    }
    if (arguments.length() > 0) {
        diagnosticsTable.addRow("Application Arguments", arguments);
    }
    // should the standard error be redirected to the standard out?
    ErrorStreamRedirection redirection = launchOptions.get(ErrorStreamRedirection.class);
    processBuilder.redirectErrorStream(redirection.isEnabled());
    diagnosticsTable.addRow("Standard Error Device", redirection.isEnabled() ? "stdout" : "stderr");
    diagnosticsTable.addRow("Application Launch Time", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
    // TODO: add all of the Profile options to the table
    // ----- start the local process -----
    boolean launchLogging = optionsByType.get(LaunchLogging.class).isEnabled();
    if (launchLogging && LOGGER.isLoggable(Level.INFO)) {
        LOGGER.log(Level.INFO, "Oracle Bedrock " + Bedrock.getVersion() + ": Starting Application...\n" + "------------------------------------------------------------------------\n" + diagnosticsTable.toString() + "\n" + "------------------------------------------------------------------------\n");
    }
    // create and start the native process
    Process process;
    try {
        process = processBuilder.start(launchOptions);
    } catch (IOException e) {
        throw new RuntimeException("Failed to build the underlying native process for the application", e);
    }
    // ----- create the local process and application -----
    // establish a LocalJavaProcess to represent the underlying Process
    LocalJavaApplicationProcess localJavaProcess = new LocalJavaApplicationProcess(process, server, systemProperties);
    // determine the application class that will represent the running application
    Class<? extends A> applicationClass = metaClass.getImplementationClass(platform, launchOptions);
    A application;
    try {
        // attempt to find a constructor(Platform, JavaApplicationProcess, Options)
        Constructor<? extends A> constructor = ReflectionHelper.getCompatibleConstructor(applicationClass, platform.getClass(), localJavaProcess.getClass(), launchOptions.getClass());
        // create the application
        application = constructor.newInstance(platform, localJavaProcess, launchOptions);
    } catch (Exception e) {
        throw new RuntimeException("Failed to instantiate the Application class specified by the MetaClass:" + metaClass, e);
    }
    if (JmxFeature.isSupportedBy(application)) {
        application.add(new JmxFeature());
    }
    // ----- wait for the application to start -----
    // ensure that the launcher process connects back to the server to
    // know that the application has started
    WaitToStart waitToStart = launchOptions.get(WaitToStart.class);
    if (waitToStart.isEnabled()) {
        Timeout timeout = launchOptions.get(Timeout.class);
        ensure(new AbstractDeferred<Boolean>() {

            @Override
            public Boolean get() throws TemporarilyUnavailableException, PermanentlyUnavailableException {
                if (!server.getRemoteChannels().iterator().hasNext()) {
                    throw new TemporarilyUnavailableException(this);
                } else {
                    return true;
                }
            }
        }, within(timeout));
    }
    // ----- notify the MetaClass that the application has been launched -----
    metaClass.onLaunched(platform, application, launchOptions);
    for (Profile profile : launchOptions.getInstancesOf(Profile.class)) {
        profile.onLaunched(platform, application, launchOptions);
    }
    // notify the ApplicationListener-based Options that the application has been launched
    for (ApplicationListener listener : launchOptions.getInstancesOf(ApplicationListener.class)) {
        listener.onLaunched(application);
    }
    return application;
}

Example 3 with ApplicationListener

use of com.oracle.bedrock.runtime.ApplicationListener in project oracle-bedrock by coherence-community.

the class ContainerBasedJavaApplicationLauncher method launch.

// TODO: think about what to do with sanity check
// /**
// * Performs a sanity check on the specified {@link JavaApplicationSchema}.
// * <p>
// * It's particularly important to perform sanity checks on {@link Options}
// * prior to realizing them in a container as some settings may not be appropriate or
// * achievable.
// *
// * @param options           the {@link Options}
// * @param schemaProperties  the system {@link Properties} that have been launched for the
// *                          {@link JavaApplication}
// */
// protected <T extends A, S extends ApplicationSchema<T>> void sanityCheck(Options    options,
// Properties schemaProperties)
// {
// // ensure that if JAVA_NET_PREFER_IPV4_STACK is requested by the schema it has also been
// // established at the  platform level as this is only where it can actually be achieved with Java 7+.
// String schemaPreferIPv4Stack = schemaProperties.getProperty(JavaApplication.JAVA_NET_PREFER_IPV4_STACK);
// 
// schemaPreferIPv4Stack = schemaPreferIPv4Stack == null ? "" : schemaPreferIPv4Stack.trim().toLowerCase();
// 
// String systemPreferIPv4Stack = System.getProperty(JavaApplication.JAVA_NET_PREFER_IPV4_STACK);
// 
// systemPreferIPv4Stack = systemPreferIPv4Stack == null ? "" : systemPreferIPv4Stack.trim().toLowerCase();
// 
// if (systemPreferIPv4Stack.isEmpty() &&!schemaPreferIPv4Stack.isEmpty())
// {
// LOGGER.warning("The schema [" + schema + "] defines the " + JavaApplication.JAVA_NET_PREFER_IPV4_STACK
// + " system property but it is not defined by the current process."
// + "Container-based applications requiring this system property must have it defined at the operating system level."
// + "eg: In your case it should be defined as; -D" + JavaApplication.JAVA_NET_PREFER_IPV4_STACK + "="
// + schemaPreferIPv4Stack);
// }
// else if (!systemPreferIPv4Stack.equals(schemaPreferIPv4Stack))
// {
// LOGGER.warning("The schema [" + schema + "] defines the " + JavaApplication.JAVA_NET_PREFER_IPV4_STACK
// + " system property but it is not defined by the current process in the same manner."
// + "Container-based applications requiring this system property must have it in the same manner at the operating system level."
// + "eg: In your case it should be defined as; -D" + JavaApplication.JAVA_NET_PREFER_IPV4_STACK + "="
// + schemaPreferIPv4Stack);
// }
// 
// // TODO: check that the JavaHome is not set or not different from the current platform setting
// }
@Override
public A launch(Platform platform, MetaClass<A> metaClass, OptionsByType optionsByType) {
    // establish the diagnostics output table
    Table diagnosticsTable = new Table();
    diagnosticsTable.getOptions().add(Table.orderByColumn(0));
    if (platform != null) {
        diagnosticsTable.addRow("Target Platform", platform.getName());
    }
    // ----- establish the launch Options for the Application -----
    // add the platform options
    OptionsByType launchOptions = OptionsByType.of(platform.getOptions().asArray());
    // add the meta-class options
    metaClass.onLaunching(platform, launchOptions);
    // add the launch specific options
    launchOptions.addAll(optionsByType);
    // ----- establish an identity for the application -----
    // add a unique runtime id for expression support
    launchOptions.add(Variable.with("bedrock.runtime.id", UUID.randomUUID()));
    // ----- establish default Profiles for this Platform (and Builder) -----
    // java applications can automatically detect the following profiles
    launchOptions.get(RemoteDebugging.class);
    launchOptions.get(CommercialFeatures.class);
    // auto-detect and add externally defined profiles
    launchOptions.addAll(Profiles.getProfiles());
    for (Profile profile : launchOptions.getInstancesOf(Profile.class)) {
        profile.onLaunching(platform, metaClass, launchOptions);
    }
    // ----- give the MetaClass a last chance to manipulate any options -----
    metaClass.onLaunch(platform, launchOptions);
    // ----- determine the display name for the application -----
    DisplayName displayName = getDisplayName(launchOptions);
    // ----- create and start the application in it's own classloader -----
    try {
        Table systemPropertiesTable = new Table();
        systemPropertiesTable.getOptions().add(Table.orderByColumn(0));
        systemPropertiesTable.getOptions().add(Cell.Separator.of(""));
        // establish the System Properties for the ContainerBasedJavaApplication
        Properties systemProperties = launchOptions.get(SystemProperties.class).resolve(platform, launchOptions);
        for (String propertyName : systemProperties.stringPropertyNames()) {
            String propertyValue = systemProperties.getProperty(propertyName);
            systemPropertiesTable.addRow(propertyName, propertyValue);
        }
        diagnosticsTable.addRow("System Properties", systemPropertiesTable.toString());
        // determine the predefined class path based on the launch options
        ClassPath classPath = launchOptions.get(ClassPath.class);
        Table classPathTable = classPath.getTable();
        classPathTable.getOptions().add(Cell.Separator.of(""));
        diagnosticsTable.addRow("Class Path", classPathTable.toString());
        // establish the ContainerClassLoader for the application
        ContainerClassLoader classLoader = ContainerClassLoader.newInstance(displayName.resolve(launchOptions), classPath, systemProperties);
        // Get the command line arguments
        List<String> argList = launchOptions.get(Arguments.class).resolve(platform, launchOptions);
        // Set the actual arguments used back into the options
        launchOptions.add(Arguments.of(argList));
        // determine the application class that we'll start
        ClassName className = launchOptions.get(ClassName.class);
        if (className == null) {
            throw new IllegalArgumentException("Java Application ClassName not specified");
        }
        String applicationClassName = className.getName();
        // determine the ApplicationController to use to control the process in the container
        // (either an ApplicationController provided as an Option or use the MetaClass if it's appropriate)
        ApplicationController controller = launchOptions.getOrSetDefault(ApplicationController.class, metaClass instanceof ApplicationController ? (ApplicationController) metaClass : null);
        if (controller == null) {
            // when an ApplicationController isn't defined, we default to using the
            // standard approach of executing the "main" method on the
            // specified Application Class
            controller = new StandardController(applicationClassName, argList);
            // as a courtesy let's make sure the application class is accessible via the classloader
            Class<?> applicationClass = classLoader.loadClass(applicationClassName);
        }
        diagnosticsTable.addRow("Application Class", applicationClassName);
        diagnosticsTable.addRow("Application", displayName.resolve(launchOptions));
        String arguments = "";
        for (String argument : argList) {
            arguments += argument + " ";
        }
        if (arguments.length() > 0) {
            diagnosticsTable.addRow("Application Arguments", arguments);
        }
        diagnosticsTable.addRow("Application Launch Time", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
        if (LOGGER.isLoggable(Level.INFO)) {
            LOGGER.log(Level.INFO, "Oracle Bedrock " + Bedrock.getVersion() + ": Starting Application...\n" + "------------------------------------------------------------------------\n" + diagnosticsTable.toString() + "\n" + "------------------------------------------------------------------------\n");
        }
        // establish the ContainerBasedJavaProcess
        ContainerBasedJavaApplicationProcess process = new ContainerBasedJavaApplicationProcess(classLoader, controller, systemProperties);
        // register the defined RemoteEventListeners before the application starts so they can
        // immediately start receiving RemoteEvents
        RemoteEvents remoteEvents = launchOptions.get(RemoteEvents.class);
        remoteEvents.forEach((remoteEventListener, listenerOptions) -> process.addListener(remoteEventListener, listenerOptions));
        // notify the container of the scope to manage
        Container.manage(classLoader.getContainerScope());
        // start the process
        process.start(launchOptions);
        // the environment variables for the ContainerBasedJavaApplication
        // will be the environment variables for the Java Virtual Machine
        Properties environmentVariables = PropertiesBuilder.fromCurrentEnvironmentVariables().realize();
        diagnosticsTable.addRow("Environment Variables", "(based on this Java Virtual Machine)");
        // determine the application class that will represent the running application
        Class<? extends A> applicationClass = metaClass.getImplementationClass(platform, launchOptions);
        A application;
        try {
            // attempt to find a constructor(Platform, JavaApplicationProcess, Options)
            Constructor<? extends A> constructor = ReflectionHelper.getCompatibleConstructor(applicationClass, platform.getClass(), process.getClass(), launchOptions.getClass());
            // create the application
            application = constructor.newInstance(platform, process, launchOptions);
        } catch (Exception e) {
            throw new RuntimeException("Failed to instantiate the Application class specified by the MetaClass:" + metaClass);
        }
        if (JmxFeature.isSupportedBy(application)) {
            application.add(new JmxFeature());
        }
        // ----- notify the MetaClass that the application has been launched -----
        metaClass.onLaunched(platform, application, launchOptions);
        for (Profile profile : launchOptions.getInstancesOf(Profile.class)) {
            profile.onLaunched(platform, application, launchOptions);
        }
        // notify the ApplicationListener-based Options that the application has been launched
        for (ApplicationListener listener : launchOptions.getInstancesOf(ApplicationListener.class)) {
            listener.onLaunched(application);
        }
        return application;
    } catch (Exception e) {
        throw new RuntimeException("Failed to start ContainerBasedJavaProcess", e);
    }
}

Example 4 with ApplicationListener

use of com.oracle.bedrock.runtime.ApplicationListener in project oracle-bedrock by coherence-community.

the class AbstractCoherenceClusterBuilderTest method shouldAvoidPartialClusterCreation.

/**
 * Ensure we clean up an unsuccessfully created {@link CoherenceCluster}.
 */
@Test
public void shouldAvoidPartialClusterCreation() {
    AvailablePortIterator availablePorts = LocalPlatform.get().getAvailablePorts();
    ClusterPort clusterPort = ClusterPort.of(new Capture<>(availablePorts));
    CoherenceClusterBuilder builder = new CoherenceClusterBuilder();
    // these two should start
    builder.include(2, CoherenceClusterMember.class, clusterPort, LocalHost.only(), ClusterName.of("Storage-Only"));
    // this one will start but fail as the listener raises an exception
    builder.include(1, CoherenceClusterMember.class, clusterPort, LocalHost.only(), ClusterName.of("Storage-Only"), Decoration.of(new ApplicationListener<CoherenceClusterMember>() {

        @Override
        public void onClosing(CoherenceClusterMember application, OptionsByType optionsByType) {
        // do nothing
        }

        @Override
        public void onClosed(CoherenceClusterMember application, OptionsByType optionsByType) {
        // do nothing
        }

        @Override
        public void onLaunched(CoherenceClusterMember application) {
            throw new IllegalStateException("Let's not start this application");
        }
    }));
    try (CoherenceCluster cluster = builder.build(getPlatform(), Console.system())) {
        Assert.fail("The cluster should not have started");
    } catch (RuntimeException e) {
        Assert.assertThat(e.getMessage(), containsString("Failed to launch one of the desired CoherenceClusterMember(s)"));
    }
}