container/usage/src/main/java/org/mobicents/slee/runtime/usage/local/UsageMBeanLocalData.java
public Collection<String> getParameterNames() {
		Map<String,UsageParamSetLocalData> notificationSourceUsageParamSets = notificationSourceUsageParamSetsMap.get(notificationSource);
		if (notificationSourceUsageParamSets != null) {
			UsageParamSetLocalData data = notificationSourceUsageParamSets.get(usageParameterSetName);
			if (data != null) {
				return data.getParameterNames();
			}
			else {
				throw new IllegalStateException("Usage param set not found ( notification source = "+notificationSource+" , usage param set name = "+usageParameterSetName+" ) "); 
			}
		}
		else {
			throw new IllegalStateException("Notification source usage param sets not found ( notification source = "+notificationSource+" ) "); 
		}		
	}
public Collection<String> getParameterNames() {
		Map<String,UsageParamSetLocalData> notificationSourceUsageParamSets = notificationSourceUsageParamSetsMap.get(notificationSource);
		if (notificationSourceUsageParamSets != null) {
			UsageParamSetLocalData data = notificationSourceUsageParamSets.get(usageParameterSetName);
			if (data != null) {
				return data.getParameterNames();
			}
			else {
				throw new IllegalStateException("Usage param set not found ( notification source = "+notificationSource+" , usage param set name = "+usageParameterSetName+" ) "); 
			}
		}
		else {
			throw new IllegalStateException("Notification source usage param sets not found ( notification source = "+notificationSource+" ) "); 
		}		
	}
/* (non-Javadoc)
@see org.mobicents.slee.runtime.usage.UsageMBeanData#getParameterNames()