@Override
public Void visitOp(PhysicalOperator op, Wrapper wrapper) {
if (op instanceof HasAffinity) {
wrapper.addEndpointAffinity(((HasAffinity) op).getOperatorAffinity());
}
Stats stats = wrapper.getStats();
stats.addCost(op.getCost());
for (PhysicalOperator child : op) {
child.accept(this, wrapper);
}
return null;
}
@Override
public T visitOp(PhysicalOperator op, X value) throws E {
throw new UnsupportedOperationException(
String.format(
"The PhysicalVisitor of type %s does not currently support visiting the PhysicalOperator type %s.",
this.getClass().getCanonicalName(), op.getClass().getCanonicalName()));
}
public T visitChildren(PhysicalOperator op, X value) throws E {
for (PhysicalOperator child : op) {
child.accept(this, value);
}
return null;
}
