@Override
public ModuleInfo getModuleForAccelerator(final Accelerator acc) {
for (final ModuleInfo info : getModules()) {
final MenuPath menuPath = info.getMenuPath();
if (menuPath == null || menuPath.isEmpty()) continue;
if (acc.equals(menuPath.getLeaf().getAccelerator())) return info;
}
return null;
}
/** Returns the module with the given name. */
public BiancaModule findModule(String name) {
ModuleInfo info = _moduleInfoMap.get(name);
if (info != null) {
return info.getModule();
} else {
return null;
}
}
@Override
public Module createModule(final ModuleInfo info) {
final Module existing = getRegisteredModuleInstance(info);
if (existing != null) return existing;
try {
final Module module = info.createModule();
getContext().inject(module);
Priority.inject(module, info.getPriority());
return module;
} catch (final ModuleException exc) {
log.error("Cannot create module: " + info.getDelegateClassName());
}
return null;
}
public List<ArtifactResult> dependencies() throws RepositoryException {
List<ModuleInfo> infos = BytecodeUtils.readModuleInformation(name(), artifact());
if (infos.isEmpty()) return Collections.emptyList();
final List<ArtifactResult> results = new ArrayList<ArtifactResult>();
for (ModuleInfo mi : infos) {
results.add(
new LazyArtifactResult(
mi.getName(),
mi.getVersion(),
mi.isOptional()
? ImportType.OPTIONAL
: (mi.isExport() ? ImportType.EXPORT : ImportType.UNDEFINED)));
}
return results;
}
/**
* Checks the {@link ObjectService} for a single registered {@link Module} instance of the given
* {@link ModuleInfo}. In this way, if you want to repeatedly reuse the same module instance
* instead of creating a new one with each execution, you can register it with the {@link
* ObjectService} and it will be automatically returned by the {@link #createModule(ModuleInfo)}
* method (and hence automatically used whenever a {@link #run} method with {@link ModuleInfo}
* argument is called).
*/
private Module getRegisteredModuleInstance(final ModuleInfo info) {
final Class<?> type = ClassUtils.loadClass(info.getDelegateClassName());
if (type == null || !Module.class.isAssignableFrom(type)) return null;
// the module metadata's delegate class extends Module, so there is hope
@SuppressWarnings("unchecked")
final Class<? extends Module> moduleType = (Class<? extends Module>) type;
// ask the object service for an instance of the delegate type
final List<? extends Module> objects = objectService.getObjects(moduleType);
if (objects == null || objects.isEmpty()) {
// the object service has no such instances
return null;
}
if (objects.size() > 1) {
// there are multiple instances; it's not clear which one to use
log.warn("Ignoring multiple candidate module instances for class: " + type.getName());
return null;
}
// found exactly one instance; return it!
return objects.get(0);
}
@Override
public ModuleInfo getModuleInfo() {
ModuleInfo info = new ModuleInfo();
info.getDependencies().addAll(dependencies);
return info;
}
public Collection<Artifact> getUsedModules(boolean usePic, Set<Artifact> usedHeaders) {
return usePic
? picModuleInfo.getUsedModules(usedHeaders)
: moduleInfo.getUsedModules(usedHeaders);
}
public Set<Artifact> getTopLevelModules(boolean usePic) {
return usePic ? picModuleInfo.getTopLevelModules() : moduleInfo.getTopLevelModules();
}
/**
* Verifies the equality of the two objects. Performs special handling of certain types.
*
* @param inExpected expected object.
* @param inActual actual object.
* @throws IOException if there were errors.
*/
private static void verifyEquals(Object inExpected, Object inActual) throws IOException {
if (inExpected == null) {
assertNull(inActual);
} else {
assertNotNull("Expected:" + inExpected, inActual);
// special handling for certain types
if (inExpected instanceof ModuleInfo) {
ModuleInfo e = (ModuleInfo) inExpected;
ModuleInfo a = (ModuleInfo) inActual;
ModuleTestBase.assertModuleInfo(
a,
e.getURN(),
e.getState(),
e.getInitiatedDataFlows(),
e.getParticipatingDataFlows(),
e.isAutocreated(),
e.isAutostart(),
e.isReceiver(),
e.isEmitter(),
e.isFlowRequester());
assertEquals(e.getLastStartFailure(), a.getLastStartFailure());
assertEquals(e.getLastStopFailure(), a.getLastStopFailure());
assertEquals(e.getLockQueueLength(), a.getLockQueueLength());
assertEquals(e.getReadLockCount(), a.getReadLockCount());
assertEquals(e.isWriteLocked(), a.isWriteLocked());
} else if (inExpected instanceof Map) {
// Convert both maps to the same type
Map e = new HashMap<Object, Object>((Map<?, ?>) inExpected);
Map a = new HashMap<Object, Object>((Map<?, ?>) inActual);
assertEquals(e, a);
} else if (inExpected instanceof CreateStrategyParameters) {
CreateStrategyParameters e = (CreateStrategyParameters) inExpected;
CreateStrategyParameters a = (CreateStrategyParameters) inActual;
assertEquals(e.getInstanceName(), a.getInstanceName());
assertEquals(e.getStrategyName(), a.getStrategyName());
assertEquals(e.getLanguage(), a.getLanguage());
InputStream ein = e.getStrategySource();
InputStream ain = a.getStrategySource();
assertArrayEquals(IOUtils.toByteArray(ein), IOUtils.toByteArray(ain));
ein.close();
ain.close();
} else {
assertEquals(inExpected, inActual);
}
}
}
