container/activities/src/main/java/org/mobicents/slee/runtime/activity/ActivityContextCacheData.java
@SuppressWarnings("unchecked")
	public Object getCmpAttribute(String attrName) {
		final Node node = getCmpAttributesNode(false);
		if(node == null) {
			return null;
		}
		else {
			final Node cmpNode = node.getChild(attrName);
			if (cmpNode != null) {
				return cmpNode.get(CMP_ATTRIBUTES_NODE_MAP_KEY);
			}
			else {
				return null;
			}		
		}
	}
@SuppressWarnings("unchecked")
	public Object getCmpAttribute(String attrName) {
		final Node node = getCmpAttributesNode(false);
		if(node == null) {
			return null;
		}
		else {
			final Node cmpNode = node.getChild(attrName);
			if (cmpNode != null) {
				return cmpNode.get(CMP_ATTRIBUTES_NODE_MAP_KEY);
			}
			else {
				return null;
			}		
		}
	}
Retrieves the aci cmp attribute

@param attrName
@return