Github user alexandrelimassantana commented on the pull request:
https://github.com/apache/cloudstack/pull/1246#issuecomment-174398371
Hello, there is also something bugging me with this piece of code which
appears on the changed files:
```java
final String gatewayCidr = guestNetwork.getNetworkCidr() == null ?
guestNetwork.getCidr() : guestNetwork.getNetworkCidr();
```
First, it is repeated code, which could turn into a function in the
superclass, since VirtualNetworkApplianceManagerImpl and NetworkHelpImpl are
implementation classes.
Also, you are calling the function getNetworkCidr twice in the event of
it's return value not being null. It's both confusing and not efficient. You
could try writing a separate method for the purpose of correctly setting this
variable, such as:
```java
protected String getValidGatewayCidr(){
String gatewayCidr = guestNetwork.getNetworkCidr();
return gatewayCidr == null ? guestNetwork.getCidr() : null;
}
```
These changes would make the code more understandable, provided that you
could write javadocs on these pieces of code.
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