You can reuse the builder object by clearing it after each iteration
like so:
Person.Builder builder = Person.newBuilder();
for(...) {
builder.clear();
builder.setFname(...);
builder.setLName(...);
builder.setEmail(...)
myResponseBuilder.addPerson(builder.build());
}
This is a bit more efficient since you're only creating one new object
per iteration instead of two. If you're creating a lot of these
objects or this loop is in a critical path, this could be a decent
speedup.
On Dec 11, 12:35 pm, Programmer 09 <[email protected]> wrote:
> I am new to ProtocolBuffer and wanted to verify that I am doing the
> right thing here:
>
> I have proto definitions as:
>
> Person {
> required string fname =1;
> required string lname = 2;
> required string email = 3;
>
> }
>
> MyResponse {
> repeated Person persons = 1;
>
> }
>
> What is the most effecient way to generate a myResponse with 100
> persons? Is this effecieint?
>
> // assume I have a array of hashmap of person data.
> // there is the myResponseBuilder which is a builder for MyResponse.
>
> for (int i = 0; i < 100; i++)
> Person.Builder personBuilder = Person.newBuilder();
> personBuilder.setFname(nameFromMap);
> personBuilder.setLname(nameFromMap);
> personBuilder.setEmail(emailFromMap);
>
> myResponseBuilder.addPerson(personBuilder);
>
> }
>
> Is this the right way to do this? Or is there a better effecient way
> instead of creating a builder for each person data? Any pointers
> appreciated! Thanks!
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