/**
* {@inheritDoc}
*/
protected Collection<ComponentTask<Void>> getInitTasks()
{
Component component = null;
String componentKey;
boolean debug = false;
// Get the component
Object key = getComponentKey();
if (key instanceof String)
componentKey = (String)key;
else
componentKey = ((Class<?>)key).getName();
try
{
ConfigurationManager manager =
(ConfigurationManager)exocontainer.getComponentInstanceOfType(ConfigurationManager.class);
component = manager == null ? null : manager.getComponent(componentKey);
if (component != null)
{
debug = component.getShowDeployInfo();
}
List<ComponentTask<Void>> tasks = new ArrayList<ComponentTask<Void>>();
Set<Dependency> dependencies = new HashSet<Dependency>();
final Class<T> implementationClass = getComponentImplementation();
boolean isSingleton = this.isSingleton;
boolean isInitialized = this.isInitialized;
if (debug)
LOG.debug("==> create component : " + implementationClass.getName());
boolean hasInjectableConstructor = !isSingleton || ContainerUtil.hasInjectableConstructor(implementationClass);
boolean hasOnlyEmptyPublicConstructor =
!isSingleton || ContainerUtil.hasOnlyEmptyPublicConstructor(implementationClass);
if (hasInjectableConstructor || hasOnlyEmptyPublicConstructor)
{
// There is at least one constructor JSR 330 compliant or we already know
// that it is not a singleton such that the new behavior is expected
List<Dependency> lDependencies = new ArrayList<Dependency>();
boolean isInjectPresent = container.initializeComponent(implementationClass, lDependencies, tasks, this);
dependencies.addAll(lDependencies);
isSingleton = manageScope(isSingleton, isInitialized, hasInjectableConstructor, isInjectPresent);
}
else if (!isInitialized)
{
// The adapter has not been initialized yet
// The old behavior is expected as there is no constructor JSR 330 compliant
isSingleton = this.isSingleton = true;
scope.set(Singleton.class);
}
if (component != null && component.getComponentPlugins() != null)
{
addComponentPlugin(tasks, dependencies, debug, component.getComponentPlugins());
}
ExternalComponentPlugins ecplugins =
manager == null ? null : manager.getConfiguration().getExternalComponentPlugins(componentKey);
if (ecplugins != null)
{
addComponentPlugin(tasks, dependencies, debug, ecplugins.getComponentPlugins());
}
initDependencies.compareAndSet(null, new CopyOnWriteArraySet<Dependency>(dependencies));
tasks.add(new ComponentTask<Void>("initialize component " + getComponentImplementation().getName(), container,
this, ComponentTaskType.INIT)
{
public Void execute(CreationalContextComponentAdapter<?> cCtx) throws Exception
{
// check if component implement the ComponentLifecycle
if (cCtx.get() instanceof ComponentLifecycle && exocontainer instanceof ExoContainer)
{
ComponentLifecycle lc = (ComponentLifecycle)cCtx.get();
lc.initComponent((ExoContainer)exocontainer);
}
return null;
}
});
if (!isInitialized)
{
this.isInitialized = true;
}
return tasks;
}
catch (Exception e)
{
String msg = "Cannot initialize component " + getComponentImplementation();
if (component != null)
{
msg =
"Cannot initialize component key=" + component.getKey() + " type=" + component.getType() + " found at "
+ component.getDocumentURL();
}
throw new RuntimeException(msg, e);
}
}