We will now change the return type of the generated method so that the return type is not
set to always be Object. We will create a new MQL script on Operation
called returnType to return void if the operation does not have a return type,
or the name of the classifier being returned. In order to facilitate the creation of this script we will
first create a script called hasReturnType which will check if the operation returns
a value.

The hasReturnType is an MQL script which is implemented as follows.
public script hasReturnType() : boolean {
return self.returns != null;
}
The hasReturnType script is now called from a new returnType MQL script
created as shown below.

public script returnType() : String {
if (self.hasReturnType()) {
return self.returns.name;
} else {
return "Object";
}
}
The returnType script is now called from the declaration script on Operation.
[#package tutorial.java]
[#metatype rhapsody.Operation]
[#script public declaration]
public ${self.returnType} ${self.name}() {
return null;
}
[/#script]
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