for (Class<?> clazz : classes) {
MBean mbean = clazz.getAnnotation(MBean.class);
String prefix = withNamePrefix ? mbean.objectName() + '.' : "";
Method[] methods = clazz.getMethods();
for (Method method : methods) {
Metric rhqMetric = method.getAnnotation(Metric.class);
ManagedAttribute managedAttr = method.getAnnotation(ManagedAttribute.class);
ManagedOperation managedOp = method.getAnnotation(ManagedOperation.class);
Operation rhqOperation = method.getAnnotation(Operation.class);
if (rhqMetric != null) {
debug("Metric annotation found " + rhqMetric);
// Property and description resolution are the reason why annotation scanning is done here.
// These two fields are calculated from either the method name or the Managed* annotations,
// and so, only the infinispan side knows about that.
String property = prefix + BeanConventions.getPropertyFromBeanConvention(method);
if (!rhqMetric.property().isEmpty()) {
property = prefix + rhqMetric.property();
}
MetricProps metric = new MetricProps(property);
String displayName = withNamePrefix ? "[" + mbean.objectName() + "] " + rhqMetric.displayName() : rhqMetric.displayName();
metric.setDisplayName(displayName);
metric.setDisplayType(rhqMetric.displayType());
metric.setDataType(rhqMetric.dataType());
metric.setUnits(rhqMetric.units());
if (managedAttr != null) {
debug("Metric has ManagedAttribute annotation " + managedAttr);
metric.setDescription(managedAttr.description());
} else if (managedOp != null) {
debug("Metric has ManagedOperation annotation " + managedOp);
metric.setDescription(managedOp.description());
} else {
log.debug("Metric has no managed annotations, so take the description from the display name.");
metric.setDescription(rhqMetric.displayName());
}
props.getMetrics().add(metric);
}
if (rhqOperation != null) {
debug("Operation annotation found " + rhqOperation);
String name = prefix + method.getName();
if (!rhqOperation.name().isEmpty()) {
name = prefix + rhqOperation.name();
}
OperationProps operation = new OperationProps(name);
String displayName = withNamePrefix ? "[" + mbean.objectName() + "] " + rhqOperation.displayName() : rhqOperation.displayName();
operation.setDisplayName(displayName);
if (managedAttr != null) {
debug("Operation has ManagedAttribute annotation " + managedAttr);
operation.setDescription(managedAttr.description());
} else if (managedOp != null) {
debug("Operation has ManagedOperation annotation " + managedOp);
operation.setDescription(managedOp.description());
} else {
debug("Operation has no managed annotations, so take the description from the display name.");
operation.setDescription(rhqOperation.displayName());
}
Annotation[][] paramAnnotations = method.getParameterAnnotations();
int i = 0;
for (Annotation[] paramAnnotationsInEach : paramAnnotations) {
boolean hadParameter = false;
for (Annotation annot : paramAnnotationsInEach) {
debug("Parameter annotation " + annot);
if (annot instanceof Parameter) {
Parameter param = (Parameter) annot;
SimpleProperty prop = new SimpleProperty(param.name());
prop.setDescription(param.description());
operation.getParams().add(prop);
hadParameter = true;
}
}
if (!hadParameter) {
operation.getParams().add(new SimpleProperty("p" + i++));
}
}
Class<?> returnType = method.getReturnType();
if (!returnType.equals(Void.TYPE)) {
SimpleProperty prop = new SimpleProperty("operationResult");
operation.setResult(prop);
}
props.getOperations().add(operation);
}
}
Field[] fields = clazz.getDeclaredFields();
for (Field field : fields) {
debug("Inspecting field " + field);
Metric rhqMetric = field.getAnnotation(Metric.class);
if (rhqMetric != null) {
debug("Field " + field + " contains Metric annotation " + rhqMetric);
String property = prefix + BeanConventions.getPropertyFromBeanConvention(field);
if (!rhqMetric.property().isEmpty()) {
property = prefix + rhqMetric.property();
}
MetricProps metric = new MetricProps(property);
String displayName = withNamePrefix ? "[" + mbean.objectName() + "] " + rhqMetric.displayName() : rhqMetric.displayName();
metric.setDisplayName(displayName);
metric.setDisplayType(rhqMetric.displayType());
metric.setDataType(rhqMetric.dataType());
metric.setUnits(rhqMetric.units());
ManagedAttribute managedAttr = field.getAnnotation(ManagedAttribute.class);
if (managedAttr != null) {
debug("Metric has ManagedAttribute annotation " + managedAttr);
metric.setDescription(managedAttr.description());
} else {
log.debug("Metric has no managed annotations, so take the description from the display name.");
metric.setDescription(rhqMetric.displayName());
}
props.getMetrics().add(metric);
}
}