if (LOG.isDebugEnabled()) {
LOG.debug("GET " + uriInfo.getAbsolutePath());
}
servlet.getMetrics().incrementRequests(1);
CellSetModel model = new CellSetModel();
RowModel rowModel = null;
byte[] rowKey = null;
int limit = batch;
if (maxValues > 0) {
limit = maxValues;
}
int count = limit;
do {
KeyValue value = null;
try {
value = generator.next();
} catch (IllegalStateException e) {
ScannerResource.delete(id);
throw new WebApplicationException(Response.Status.GONE);
}
if (value == null) {
LOG.info("generator exhausted");
// respond with 204 (No Content) if an empty cell set would be
// returned
if (count == limit) {
return Response.noContent().build();
}
break;
}
if (rowKey == null) {
rowKey = value.getRow();
rowModel = new RowModel(rowKey);
}
if (!Bytes.equals(value.getRow(), rowKey)) {
// the user request limit is a transaction limit, so we need to
// account for scanner.next()
if (user != null && !servlet.userRequestLimit(user, 1)) {
generator.putBack(value);
break;
}
// if maxRows was given as a query param, stop if we would exceed the
// specified number of rows
if (maxRows > 0) {
if (--maxRows == 0) {
generator.putBack(value);
break;
}
}
model.addRow(rowModel);
rowKey = value.getRow();
rowModel = new RowModel(rowKey);
}
rowModel.addCell(
new CellModel(value.getColumn(), value.getTimestamp(),
value.getValue()));
} while (--count > 0);
model.addRow(rowModel);
ResponseBuilder response = Response.ok(model);