Make the org.apache.commons.graph.visit.GraphVisitHandler able to return objects
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Key: SANDBOX-372
URL: https://issues.apache.org/jira/browse/SANDBOX-372
Project: Commons Sandbox
Issue Type: Improvement
Components: Graph
Reporter: Simone Tripodi
Assignee: Simone Tripodi
Graph visit could produce output objects, taking inspiration form DbUtil's
[ResultSetHandler|http://commons.apache.org/dbutils/apidocs/org/apache/commons/dbutils/ResultSetHandler.html]
and AsyncHttpClient's
[AsyncHandler|http://sonatype.github.com/async-http-client/apidocs/com/ning/http/client/AsyncHandler.html]
it would be possible invoke:
{code}
final List<V> visited = visit( inputGraph ).from( startVertex
).applyingDepthFirstSearch( new MyHandler() );
{code}
just adding a callback method in {{GraphVisitHandler}}, something like:
{code}
public interface GraphVisitHandler<V extends Vertex, E extends Edge, G extends
Graph<V, E>, O>
{
[...]
O onCompleted();
}
{code}
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