We could simply use Object as the return value and then cast it to the type
of the property.
The caller code could perform the test as follows:
if(invoker instanceof Configurable) {
boolean allowsPBR = ((Configurable)
invoker).getProperty("AllowsPassByReference");
if(allowsPBR) {
// do something here
}
}
Thanks,
Raymond
----- Original Message -----
From: "Simon Nash" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Monday, February 18, 2008 3:15 PM
Subject: Re: svn commit: r628163 - in /incubator/tuscany/java/sca:
itest/interfaces/src/main/java/org/apache/tuscany/sca/itest/interfaces/
itest/interfaces/src/test/java/org/apache/tuscany/sca/itest/interfaces/
modules/binding-ejb/src/main/java/org/apache/tus
Raymond Feng wrote:
The Configurable interface can be optionally implemented by the Invoker
implementation classes. To support multiple properties, the invoker can
simply do this:
public class MyInvokerImpl implements Invoker, Configurable {
...
<T> public T getProperty(String name) {
if("AllowsPassByReference".equals(name) {
return true;
} else if("AnotherProperty".equals(name) {
return "StringValue";
} else {
return null;
}
}
}
This way, the property set is kept at the invoker instances.
I didn't know that generics could do this, with multiple return
types from a single method. (Seems like I need to go back to
Java school!) What does the code invoking the magical getProperty()
method look like?
Simon
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