public void handleEvent()

in src/main/java/org/apache/sling/discovery/impl/cluster/ClusterViewChangeListener.java [121:165]
37 lines of code
11 McCabe index (conditional complexity)

    public void handleEvent(final Event event) {
        final String resourcePath = (String) event.getProperty("path");
        if (config==null) {
            return;
        }
        final String establishedViewPath = config.getEstablishedViewPath();
        final String clusterInstancesPath = config.getClusterInstancesPath();
        if (resourcePath == null) {
            // not of my business
            return;
        }

        // properties: path, resourceChangedAttributes, resourceType,
        // event.topics
        if (resourcePath.startsWith(establishedViewPath)) {
        	if (logger.isDebugEnabled()) {
	            logger.debug("handleEvent: establishedViewPath resourcePath="
	                    + resourcePath + ", event=" + event);
        	}
            handleTopologyChanged();
        } else if (resourcePath.startsWith(clusterInstancesPath)) {

            final Object resourceChangedAttributes = event
                    .getProperty("resourceChangedAttributes");
            if (resourceChangedAttributes != null
                    && resourceChangedAttributes instanceof String[]) {
                String[] resourceChangedAttributesStrings = (String[]) resourceChangedAttributes;
                if (resourceChangedAttributesStrings.length == 1
                        && resourceChangedAttributesStrings[0]
                                .equals("lastHeartbeat")) {
                    // then ignore this one
                    return;
                }
            }
        	if (logger.isDebugEnabled()) {
	            logger.debug("handleEvent: clusterInstancesPath (announcement or properties) resourcePath="
	                    + resourcePath + ", event=" + event);
        	}
            handleTopologyChanged();
        } else {
            // not of my business
            return;
        }

    }