@GET
@Produces({MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF, MIMETYPE_PROTOBUF_IETF})
public Response get(final @Context UriInfo uriInfo) {
MultivaluedMap<String, String> params = uriInfo.getQueryParameters();
servlet.getMetrics().incrementRequests(1);
try {
CellSetModel model = new CellSetModel();
for (String rk : params.get(ROW_KEYS_PARAM_NAME)) {
RowSpec rowSpec = new RowSpec(rk);
if (this.versions != null) {
rowSpec.setMaxVersions(this.versions);
}
ResultGenerator generator =
ResultGenerator.fromRowSpec(
this.tableResource.getName(),
rowSpec,
null,
!params.containsKey(NOCACHE_PARAM_NAME));
Cell value = null;
RowModel rowModel = new RowModel(rk);
if (generator.hasNext()) {
while ((value = generator.next()) != null) {
rowModel.addCell(
new CellModel(
CellUtil.cloneFamily(value),
CellUtil.cloneQualifier(value),
value.getTimestamp(),
CellUtil.cloneValue(value)));
}
model.addRow(rowModel);
} else {
LOG.trace("The row : " + rk + " not found in the table.");
}
}
if (model.getRows().size() == 0) {
// If no rows found.
servlet.getMetrics().incrementFailedGetRequests(1);
return Response.status(Response.Status.NOT_FOUND)
.type(MIMETYPE_TEXT)
.entity("No rows found." + CRLF)
.build();
} else {
servlet.getMetrics().incrementSucessfulGetRequests(1);
return Response.ok(model).build();
}
} catch (Exception e) {
servlet.getMetrics().incrementFailedGetRequests(1);
return processException(e);
}
}
@GET
@Produces({MIMETYPE_XML, MIMETYPE_JSON, MIMETYPE_PROTOBUF})
public Response get(
final @Context UriInfo uriInfo,
@QueryParam("n") int maxRows,
final @QueryParam("c") int maxValues) {
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)) {
// 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.getFamily(), value.getQualifier(), value.getTimestamp(), value.getValue()));
} while (--count > 0);
model.addRow(rowModel);
ResponseBuilder response = Response.ok(model);
response.cacheControl(cacheControl);
return response.build();
}
