import org.cloudbus.cloudsim.NetworkTopology; //导入依赖的package包/类
private void handleCloudDiscoveryRequest(CloudDiscoverRequest request, int requestor) {
	CloudDiscoveryRequestState scheduleEntry = new CloudDiscoveryRequestState(request, requestor);
	runningOperations.put(request.getOperationID(), scheduleEntry);
	logger.info(request.toString() + " -> operation '" + scheduleEntry.getOperationID() + "'");

	scheduleEntry.setCharacteristics(characteristics.copy()
			.setAvailableCapacity(calculateCurrentCapacity())
			.setMinBandwidth(NetworkTopology.getBandwidth(getId(), requestor))
			.setMaxLatency(NetworkTopology.getDelay(getId(), requestor))
			.setCloudID(getId())
	);
	letOperationSucceed(scheduleEntry);
}
 

import org.cloudbus.cloudsim.NetworkTopology; //导入依赖的package包/类
/**
 * Gets the network delay associated to the sent of a message from a given source to a given
 * destination.
 * 
 * @param src source of the message
 * @param dst destination of the message
 * @return delay to send a message from src to dst
 * @pre src >= 0
 * @pre dst >= 0
 */
private double getNetworkDelay(int src, int dst) {
	if (NetworkTopology.isNetworkEnabled()) {
		return NetworkTopology.getDelay(src, dst);
	}
	return 0.0;
}