/** Registers all the sources configured in the metrics config. */
private void registerSources() {
Properties instConfig = mMetricsConfig.getInstanceProperties(mInstance);
Map<String, Properties> sourceConfigs = mMetricsConfig.subProperties(instConfig, SOURCE_REGEX);
for (Map.Entry<String, Properties> entry : sourceConfigs.entrySet()) {
String classPath = entry.getValue().getProperty("class");
if (classPath != null) {
try {
Source source = (Source) Class.forName(classPath).newInstance();
registerSource(source);
} catch (Exception e) {
LOG.error("Source class {} cannot be instantiated", classPath, e);
}
}
}
}
/** Registers all the sinks configured in the metrics config. */
private void registerSinks() {
Properties instConfig = mMetricsConfig.getInstanceProperties(mInstance);
Map<String, Properties> sinkConfigs = mMetricsConfig.subProperties(instConfig, SINK_REGEX);
for (Map.Entry<String, Properties> entry : sinkConfigs.entrySet()) {
String classPath = entry.getValue().getProperty("class");
if (classPath != null) {
try {
Sink sink =
(Sink)
Class.forName(classPath)
.getConstructor(Properties.class, MetricRegistry.class)
.newInstance(entry.getValue(), mMetricRegistry);
if (entry.getKey().equals("servlet")) {
mMetricsServlet = (MetricsServlet) sink;
} else {
mSinks.add(sink);
}
} catch (Exception e) {
LOG.error("Sink class {} cannot be instantiated", classPath, e);
}
}
}
}