/**
* @param ctx Kernal context.
* @param cfg Ignite configuration.
* @param providers Plugin providers.
*/
@SuppressWarnings("TypeMayBeWeakened")
public IgnitePluginProcessor(
GridKernalContext ctx, IgniteConfiguration cfg, List<PluginProvider> providers) {
super(ctx);
ExtensionRegistryImpl registry = new ExtensionRegistryImpl();
for (PluginProvider provider : providers) {
GridPluginContext pluginCtx = new GridPluginContext(ctx, cfg);
if (F.isEmpty(provider.name())) throw new IgniteException("Plugin name can not be empty.");
if (plugins.containsKey(provider.name()))
throw new IgniteException("Duplicated plugin name: " + provider.name());
plugins.put(provider.name(), provider);
pluginCtxMap.put(provider, pluginCtx);
provider.initExtensions(pluginCtx, registry);
if (provider.plugin() == null) throw new IgniteException("Plugin is null.");
}
extensions = registry.createExtensionMap();
}
/**
* Aspect implementation which executes grid-enabled methods on remote nodes.
*
* @param invoc Method invocation instance provided by JBoss AOP framework.
* @return Method execution result.
* @throws Throwable If method execution failed.
*/
@SuppressWarnings({
"ProhibitedExceptionDeclared",
"ProhibitedExceptionThrown",
"CatchGenericClass",
"unchecked"
})
@Bind(
pointcut = "execution(* *->@org.gridgain.grid.gridify.Gridify(..))",
cflow = "org.gridgain.grid.gridify.aop.jboss.GridifyJbossAspect.CFLOW_STACK")
public Object gridify(MethodInvocation invoc) throws Throwable {
Method mtd = invoc.getMethod();
Gridify ann = mtd.getAnnotation(Gridify.class);
assert ann != null : "Intercepted method does not have gridify annotation.";
// Since annotations in Java don't allow 'null' as default value
// we have accept an empty string and convert it here.
// NOTE: there's unintended behavior when user specifies an empty
// string as intended grid name.
// NOTE: the 'ann.gridName() == null' check is added to mitigate
// annotation bugs in some scripting languages (e.g. Groovy).
String gridName = F.isEmpty(ann.gridName()) ? null : ann.gridName();
if (G.state(gridName) != STARTED) {
throw new GridException("Grid is not locally started: " + gridName);
}
// Initialize defaults.
GridifyArgument arg =
new GridifyArgumentAdapter(
mtd.getDeclaringClass(),
mtd.getName(),
mtd.getParameterTypes(),
invoc.getArguments(),
invoc.getTargetObject());
if (!ann.interceptor().equals(GridifyInterceptor.class)) {
// Check interceptor first.
if (!ann.interceptor().newInstance().isGridify(ann, arg)) {
return invoc.invokeNext();
}
}
if (!ann.taskClass().equals(GridifyDefaultTask.class) && ann.taskName().length() > 0) {
throw new GridException(
"Gridify annotation must specify either Gridify.taskName() or "
+ "Gridify.taskClass(), but not both: "
+ ann);
}
try {
Grid grid = G.grid(gridName);
// If task class was specified.
if (!ann.taskClass().equals(GridifyDefaultTask.class)) {
return grid.execute(
(Class<? extends GridTask<GridifyArgument, Object>>) ann.taskClass(),
arg,
ann.timeout())
.get();
}
// If task name was not specified.
if (ann.taskName().length() == 0) {
return grid.execute(
new GridifyDefaultTask(invoc.getActualMethod().getDeclaringClass()),
arg,
ann.timeout())
.get();
}
// If task name was specified.
return grid.execute(ann.taskName(), arg, ann.timeout()).get();
} catch (Throwable e) {
for (Class<?> ex : invoc.getMethod().getExceptionTypes()) {
// Descend all levels down.
Throwable cause = e.getCause();
while (cause != null) {
if (ex.isAssignableFrom(cause.getClass())) {
throw cause;
}
cause = cause.getCause();
}
if (ex.isAssignableFrom(e.getClass())) {
throw e;
}
}
throw new GridifyRuntimeException("Undeclared exception thrown: " + e.getMessage(), e);
}
}