That's fine, just have your value class implement the Writable interface.
On 02/22/2014 04:41 PM, Apostolos Koutras wrote:
but the vertex value is no more a single value like a Double writable but a
Class, so there's not a match for my situation
On Sat, Feb 22, 2014 at 5:03 PM, Sebastian Schelter <s...@apache.org> wrote:
I think you have to implement an InputFormat that matches your vertex
value type.
On 02/22/2014 02:43 PM, Apostolos Koutras wrote:
The main algorithm Betweeness.java is based on
SimpleShortestPaths***.java.
In order to implement the new algorithm I had to override the message
value
as well as the vertex value.
I dug up the examples, and the most compatible files where the files about
bracha-something calculation.
The overrided vertex value is myVertexValue.java and is based on
Bracha*Value.java and in there lies the problem I suppose, probably due
to
misconfigurating the serializer
// Serialization functions ------------------------------
-----------------
@Override
public void readFields(DataInput input) throws IOException {
// this.distance=input.readLong();
this.sigma=input.readDouble();
// this.delta=input.readDouble();
}
@Override
public void write(DataOutput output) throws IOException {
int sz;
output.writeLong(this.distance);
output.writeDouble(this.sigma);
output.writeDouble(this.delta);
}
Of course, when I try to run the example I try to use the following
handler, that works for the simpleShortest paths, but now that I've
overriden the vertex value???
org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat
The main code of the project is on www.github.com/koutras/gb , to get
the whole idea...
At the moment Iam in a stalemate.... Any ideas so that I can make even a
small step are needed... Thanks..
On Sat, Feb 22, 2014 at 2:32 PM, Sebastian Schelter <s...@apache.org>
wrote:
Hi Apostolous,
can you provide a few more details on what you're exactly trying to
achieve?
Best,
Sebastian
On 02/22/2014 01:07 PM, Apostolos Koutras wrote:
Hi to all, can you please direct be to an older post of how to override
the
vertex value and implement the serializer? Iam still in the dark....
Thank you...
