io.esastack.cabin.container

类 CabinContainer

java.lang.Object

io.esastack.cabin.container.CabinContainer

public class CabinContainer
extends Object

The entrance of starting cabin container, core class; Deploy modules, export shared classes, scan spi implementations, etc. Biz main class will be executed after all bizModule and modules have been loaded.

构造器概要

构造器

构造器和说明
CabinContainer(String executableURLString, String[] javaAgentURLStrings, String[] args) Same as previous constructor, except this is used while launching the application in fat jar; Create the biz URLs in CabinContainer, so the handler of the URL would bound to a JarFile, this will make the biz class loading faster;
CabinContainer(String containerURLString, String[] moduleURLStrings, String[] bizURLStrings, String[] javaAgentURLStrings, String[] args) instanced by bootstrap, launcher, Test runner; start the container services pipeline to deploy modules, start services; Should not pass any Object except primitives and String, because any Object like URL/JarFile would bring SystemClassLoader with it; for example, 'URL' will bring a Handler loaded by SystemClassLoader which would load other classes with SystemClassLoader; so we should not pass these Object, and make sure SystemClassLoader is no longer used.

方法概要

限定符和类型	方法和说明
ClassLoader	getBizModuleClassLoader()
Map<String,Class<?>>	getExportedClasses()
ClassLoader	getLibModuleClassLoader(String moduleName)
List<String>	getLoadedModule()
boolean	isStarted()
boolean	moduleLoaded(String moduleName)
void	start()
void	stop()

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

CabinContainer

public CabinContainer(String containerURLString,
                      String[] moduleURLStrings,
                      String[] bizURLStrings,
                      String[] javaAgentURLStrings,
                      String[] args)

instanced by bootstrap, launcher, Test runner; start the container services pipeline to deploy modules, start services; Should not pass any Object except primitives and String, because any Object like URL/JarFile would bring SystemClassLoader with it; for example, 'URL' will bring a Handler loaded by SystemClassLoader which would load other classes with SystemClassLoader; so we should not pass these Object, and make sure SystemClassLoader is no longer used. An example for this is: URL to Handler to openConnection, in this method,JarURLConnection would be loaded by SystemClassloader and JarURLConnection::useFastExceptions would always be false Because Handler:: setUseFastConnectionExceptions would set another JarURLConnection Class loaded by CabinClassLoader.

this constructor is used while launching the application in classpath

参数:

containerURLString - the cabin core fat jar file path

moduleURLStrings - the lib module fat jar file paths

bizURLStrings - the biz classpath paths

javaAgentURLStrings - the setup java agent jar file paths

args - set up main args

CabinContainer

public CabinContainer(String executableURLString,
                      String[] javaAgentURLStrings,
                      String[] args)

Same as previous constructor, except this is used while launching the application in fat jar; Create the biz URLs in CabinContainer, so the handler of the URL would bound to a JarFile, this will make the biz class loading faster;

参数:

executableURLString - the application executable fat jar

javaAgentURLStrings - the setup java agent jar file paths

args - set up main args

方法详细资料

start

public void start()

stop

public void stop()

isStarted

public boolean isStarted()

getExportedClasses

public Map<String,Class<?>> getExportedClasses()

moduleLoaded

public boolean moduleLoaded(String moduleName)

getLoadedModule

public List<String> getLoadedModule()

getLibModuleClassLoader

public ClassLoader getLibModuleClassLoader(String moduleName)

getBizModuleClassLoader

public ClassLoader getBizModuleClassLoader()