@Override
public Object deserialize(JsonNode n, ObjectMapper mapper) {
List list = new ArrayList<>();
for (int i = 0; i < n.size(); i++) {
try {
list.add(parent.deserialize(n.get(i), mapper));
} catch (Exception e) {
Logger.getLogger(this.getClass().getName()).log(Level.SEVERE, null, e);
}
}
Collection collection = PersistentVector.create(list);
return collection;
}
@Override
public Object deserialize(JsonNode n, ObjectMapper mapper) {
SimpleEvaluationObject o = null;
try {
String expression = null, message = null;
Object status = null, payload = null;
Integer progressBar = null;
if (n.has("expression")) expression = n.get("expression").asText();
if (n.has("message")) message = n.get("message").asText();
if (n.has("progressBar")) progressBar = n.get("progressBar").asInt();
if (n.has("payload")) payload = parent.deserialize(n.get("payload"), mapper);
o = new SimpleEvaluationObject(expression);
o.message = message;
o.status = (EvaluationStatus) status;
o.progressBar = progressBar;
o.payload = (EvaluationResult) payload;
if (n.has("outputdata")) {
JsonNode ne = n.get("outputdata");
for (JsonNode d : ne) {
if (!d.has("type") || !d.has("value")) continue;
if (d.get("type").asText().equals("out")) {
EvaluationStdOutput e = o.new EvaluationStdOutput(d.get("value").asText());
o.outputdata.add(e);
} else {
EvaluationStdError e = o.new EvaluationStdError(d.get("value").asText());
o.outputdata.add(e);
}
}
}
} catch (Exception e) {
logger.error("exception deserializing SimpleEvaluationObject ", e);
}
return o;
}
/**
* kdb result conversions to standard beaker types.
*
* <p>TODO it would be better if this was handled by customizing a serializer module, but I don't
* see a clean way of doing that.
*/
private Object convert(Object o) {
// Convert flips of simple lists into TableDisplays.
if (c.t(o) == 98)
to_tabledisplay:
{
Flip f = (Flip) o;
// Make sure each column is an array and a type we can handle.
List<String> columns = Arrays.asList(f.x);
List<String> classes = new ArrayList<>();
List<List<?>> colLists = new ArrayList<>();
for (Object c : f.y) {
List<?> values = toList(c);
if (values == null) {
break to_tabledisplay;
}
String type =
objConv.convertType(
ClassUtils.primitiveToWrapper(c.getClass().getComponentType()).getName());
if (type == null) {
break to_tabledisplay;
}
// Special case - convert Dates to nanosecond times.
if (BasicObjectSerializer.TYPE_TIME.equals(type)) {
List<Long> timestamps = new ArrayList<>(values.size());
for (Object d : values) {
timestamps.add(
TimeUnit.NANOSECONDS.convert(((Date) d).getTime(), TimeUnit.MILLISECONDS));
}
values = timestamps;
}
classes.add(type);
colLists.add(values);
}
// Columns to rows.
int rows = colLists.get(0).size();
List<List<?>> values = new ArrayList<>();
for (int row = 0; row < rows; ++row) {
List<Object> rowValues = new ArrayList<>();
for (List<?> col : colLists) {
rowValues.add(col.get(row));
}
values.add(rowValues);
}
return new TableDisplay(values, columns, classes);
}
// Convert Dicts to maps.
if (c.t(o) == 99)
to_map:
{
Dict f = (Dict) o;
// Special case - keyed tables are dicts of flips.
if ((c.t(f.x) == 98) && (c.t(f.y) == 98))
to_table:
{
Flip keys = (Flip) f.x;
Flip cols = (Flip) f.y;
return convert(
new Flip(
new Dict(
ArrayUtils.addAll(keys.x, cols.x), ArrayUtils.addAll(keys.y, cols.y))));
}
List<?> keys = toList(f.x);
if (keys == null) break to_map;
List<?> values = toList(f.y);
if (values == null) break to_map;
Map<Object, Object> map = new HashMap<>();
for (int i = 0; i < values.size(); ++i) {
map.put(keys.get(i), values.get(i));
}
return map;
}
// No conversion.
return o;
}
public DeSerializer(BeakerObjectConverter p) {
parent = p;
parent.addKnownBeakerType("SimpleEvaluationObject");
}