public static List<NCube> getNCubesFromResource(String name) {
String lastSuccessful = "";
try {
Object[] cubes = getJsonObjectFromResource(name);
List<NCube> cubeList = new ArrayList<>(cubes.length);
for (Object cube : cubes) {
JsonObject ncube = (JsonObject) cube;
String json = JsonWriter.objectToJson(ncube);
NCube nCube = NCube.fromSimpleJson(json);
nCube.sha1();
addCube(nCube.getApplicationID(), nCube);
lastSuccessful = nCube.getName();
cubeList.add(nCube);
}
return cubeList;
} catch (Exception e) {
String s =
"Failed to load cubes from resource: "
+ name
+ ", last successful cube: "
+ lastSuccessful;
LOG.warn(s);
throw new RuntimeException(s, e);
}
}
/** {@inheritDoc} */
@SuppressWarnings("rawtypes")
@Override
public JSONObject serialize(final BasicOperator operator, final int node_id)
throws JSONException {
final JSONObject json = new JSONObject();
/*
* store preceeding's and remove them from the subgraph, because they
* are not to be serialized (but they are added later)
*/
final List<BasicOperator> storePrecds =
new LinkedList<BasicOperator>(((SubgraphContainer) operator).getPrecedingOperators());
for (final BasicOperator op : storePrecds) {
((SubgraphContainer) operator).removePrecedingOperator(op);
}
/*
* store succeeding's and remove them from the subgraph (see above)
*/
final List<OperatorIDTuple> storeSuccs =
new LinkedList<OperatorIDTuple>(((SubgraphContainer) operator).getSucceedingOperators());
for (final OperatorIDTuple op : storeSuccs) {
((SubgraphContainer) operator).removeSucceedingOperator(op);
}
json.put("type", operator.getClass().getName());
json.put("node_id", node_id);
/*
* now serialize the subgraph container
*/
final SubgraphContainerFormatter serializer = new SubgraphContainerFormatter();
final JSONObject serializedGraph =
serializer.serialize(((SubgraphContainer) operator).getRootOfSubgraph(), 0);
json.put("subgraph", serializedGraph);
/*
* now serialize the subgraph container's key
*/
final Object key = ((SubgraphContainer) operator).getKey();
try {
final String sgKey = JsonWriter.objectToJson(key);
json.put("key", sgKey);
} catch (final IOException e) {
json.put("key", "Not serializable.");
propagate(
new RuntimeException(
String.format("The key of subgraphContainer %s is not serialzable.", operator)));
}
// now add the connections ... we have removed above.
for (final BasicOperator op : storePrecds) {
((SubgraphContainer) operator).addPrecedingOperator(op);
}
for (final OperatorIDTuple op : storeSuccs) {
((SubgraphContainer) operator).addSucceedingOperator(op);
}
return json;
}