package com.tinkerpop.frames.annotations;
import java.lang.reflect.Method;
import com.tinkerpop.blueprints.Direction;
import com.tinkerpop.blueprints.Edge;
import com.tinkerpop.blueprints.Element;
import com.tinkerpop.frames.FramedGraph;
import com.tinkerpop.frames.InVertex;
public class InVertexAnnotationHandler implements AnnotationHandler<InVertex> {
@Override
public Class<InVertex> getAnnotationType() {
return InVertex.class;
}
@Override
public Object processElement(final InVertex annotation, final Method method, final Object[] arguments, final FramedGraph framedGraph, final Element element, final Direction direction) {
if (element instanceof Edge) {
return framedGraph.frame(((Edge)element).getVertex(Direction.IN), method.getReturnType());
} else {
throw new UnsupportedOperationException();
}
}
}