use of loghub.Source in project LogHub by fbacchella.
the class Configuration method analyze.
private Properties analyze(ConfigListener conf) throws ConfigException {
final Map<String, Object> newProperties = new HashMap<String, Object>(conf.properties.size() + Properties.PROPSNAMES.values().length + System.getProperties().size());
// Resolvers properties found and and it to new properties
Function<Object, Object> resolve = i -> {
return ((i instanceof ConfigListener.ObjectWrapped) ? ((ConfigListener.ObjectWrapped) i).wrapped : (i instanceof ConfigListener.ObjectReference) ? parseObjectDescription((ConfigListener.ObjectDescription) i, emptyConstructor) : i);
};
conf.properties.entrySet().stream().forEach(i -> newProperties.put(i.getKey(), resolve.apply(i.getValue())));
// Resolve the sources
ThrowingFunction<Class<Source>, Source> sourceConstructor = i -> {
return i.getConstructor().newInstance();
};
conf.sources.forEach((name, sd) -> {
Source s = parseObjectDescription(sd, sourceConstructor);
s.setName(name);
sources.put(name, s);
});
Map<String, Pipeline> namedPipeLine = new HashMap<>(conf.pipelines.size());
newProperties.put(Properties.PROPSNAMES.CLASSLOADERNAME.toString(), classLoader);
Set<Pipeline> pipelines = new HashSet<>();
// Generate all the named pipeline
for (Entry<String, ConfigListener.PipenodesList> e : conf.pipelines.entrySet()) {
String name = e.getKey();
Pipeline p = parsePipeline(e.getValue(), name, 0, new AtomicInteger());
pipelines.add(p);
namedPipeLine.put(name, p);
if (p.nextPipeline != null) {
topPipelines.add(p.nextPipeline);
}
}
newProperties.put(Properties.PROPSNAMES.PIPELINES.toString(), Collections.unmodifiableSet(pipelines));
namedPipeLine = Collections.unmodifiableMap(namedPipeLine);
newProperties.put(Properties.PROPSNAMES.NAMEDPIPELINES.toString(), namedPipeLine);
// Find the queue depth
final int queuesDepth = newProperties.containsKey("queueDepth") ? (Integer) newProperties.remove("queueDepth") : DEFAULTQUEUEDEPTH;
newProperties.put(Properties.PROPSNAMES.QUEUESDEPTH.toString(), queuesDepth);
BlockingQueue<Event> mainQueue = new ArrayBlockingQueue<Event>(queuesDepth);
Map<String, BlockingQueue<Event>> outputQueues = new HashMap<>(namedPipeLine.size());
namedPipeLine.keySet().stream().forEach(i -> outputQueues.put(i, new ArrayBlockingQueue<Event>(queuesDepth)));
newProperties.put(Properties.PROPSNAMES.FORMATTERS.toString(), conf.formatters);
newProperties.put(Properties.PROPSNAMES.MAINQUEUE.toString(), mainQueue);
newProperties.put(Properties.PROPSNAMES.OUTPUTQUEUE.toString(), outputQueues);
// Fill the receivers list
receivers = new ArrayList<>();
for (Input i : conf.inputs) {
if (i.piperef == null || !namedPipeLine.containsKey(i.piperef)) {
throw new RuntimeException("Invalid input, no destination pipeline: " + i);
}
for (ConfigListener.ObjectDescription desc : i.receiver) {
Pipeline p = namedPipeLine.get(i.piperef);
ThrowingFunction<Class<Receiver>, Receiver> receiverConstructor = r -> {
return r.getConstructor(BlockingQueue.class, Pipeline.class).newInstance(mainQueue, p);
};
Receiver r = (Receiver) parseObjectDescription(desc, receiverConstructor);
receivers.add(r);
}
inputpipelines.add(i.piperef);
}
topPipelines.addAll(inputpipelines);
inputpipelines = Collections.unmodifiableSet(inputpipelines);
receivers = Collections.unmodifiableList(receivers);
newProperties.put(Properties.PROPSNAMES.RECEIVERS.toString(), receivers);
// Fill the senders list
senders = new ArrayList<>();
for (Output o : conf.outputs) {
if (o.piperef == null || !namedPipeLine.containsKey(o.piperef)) {
throw new RuntimeException("Invalid output, no source pipeline: " + o);
}
for (ConfigListener.ObjectDescription desc : o.sender) {
BlockingQueue<Event> out = outputQueues.get(o.piperef);
ThrowingFunction<Class<Sender>, Sender> senderConstructor = r -> {
return r.getConstructor(BlockingQueue.class).newInstance(out);
};
Sender s = (Sender) parseObjectDescription(desc, senderConstructor);
// logger.debug("sender {} source point will be {}", () -> s, () -> namedPipeLine.get(o.piperef).outQueue);
senders.add(s);
}
outputpipelines.add(o.piperef);
}
topPipelines.addAll(outputpipelines);
outputpipelines = Collections.unmodifiableSet(outputpipelines);
senders = Collections.unmodifiableList(senders);
newProperties.put(Properties.PROPSNAMES.SENDERS.toString(), senders);
newProperties.put(Properties.PROPSNAMES.TOPPIPELINE.toString(), Collections.unmodifiableSet(topPipelines));
newProperties.put(Properties.PROPSNAMES.SOURCES.toString(), Collections.unmodifiableMap(sources));
// Allows the system properties to override any properties given in the configuration file
// But only if they are not some of the special internal properties
Set<String> privatepropsnames = new HashSet<>(Properties.PROPSNAMES.values().length);
Arrays.stream(Properties.PROPSNAMES.values()).forEach(i -> privatepropsnames.add(i.toString()));
;
System.getProperties().entrySet().stream().filter(i -> !privatepropsnames.contains(i.getKey())).forEach(i -> newProperties.put(i.getKey().toString(), i.getValue()));
return new Properties(newProperties);
}
use of loghub.Source in project LogHub by fbacchella.
the class Configuration method parseObjectDescription.
private <T, C> T parseObjectDescription(ConfigListener.ObjectDescription desc, ThrowingFunction<Class<T>, T> constructor, String currentPipeLineName, int depth, AtomicInteger numSubpipe) throws ConfigException {
try {
@SuppressWarnings("unchecked") Class<T> clazz = (Class<T>) classLoader.loadClass(desc.clazz);
T object = constructor.apply(clazz);
for (Entry<String, ObjectReference> i : desc.beans.entrySet()) {
ObjectReference ref = i.getValue();
Object beanValue;
if (ref instanceof ConfigListener.ObjectWrapped) {
beanValue = ((ConfigListener.ObjectWrapped) ref).wrapped;
if (beanValue instanceof ConfigListener.Pipenode) {
beanValue = getProcessor((ConfigListener.Pipenode) beanValue, currentPipeLineName, depth, numSubpipe);
}
} else if (ref instanceof ConfigListener.ObjectDescription) {
beanValue = parseObjectDescription((ConfigListener.ObjectDescription) ref, emptyConstructor, currentPipeLineName, depth + 1, numSubpipe);
} else if (ref instanceof ConfigListener.Source) {
ConfigListener.Source source = (ConfigListener.Source) ref;
beanValue = sources.get(source.source);
} else if (ref == null) {
beanValue = null;
} else {
throw new ConfigException(String.format("Invalid class '%s': %s", desc.clazz, ref.getClass().getCanonicalName()), desc.stream.getSourceName(), desc.ctx.start);
}
try {
BeansManager.beanSetter(object, i.getKey(), beanValue);
} catch (InvocationTargetException ex) {
throw new ConfigException(String.format("Invalid bean '%s.%s': %s", desc.clazz, i.getKey(), ex.getCause()), desc.stream.getSourceName(), desc.ctx.start, ex.getCause());
}
}
return object;
} catch (ClassNotFoundException e) {
throw new ConfigException(String.format("Unknown class '%s'", desc.clazz), desc.stream.getSourceName(), desc.ctx.start);
} catch (ConfigException e) {
throw e;
} catch (RuntimeException | ExceptionInInitializerError e) {
Throwable rootCause = e;
if (e.getCause() != null) {
rootCause = e.getCause();
}
String message = rootCause.getMessage();
if (message == null) {
message = rootCause.getClass().getSimpleName();
}
throw new ConfigException(String.format("Invalid class '%s': %s", desc.clazz, message), desc.stream.getSourceName(), desc.ctx.start, rootCause);
}
}
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