@Override
public Tuple convert(String source) {
TupleBuilder builder = TupleBuilder.tuple();
try {
JsonNode root = mapper.readTree(source);
for (Iterator<Entry<String, JsonNode>> it = root.fields(); it.hasNext(); ) {
Entry<String, JsonNode> entry = it.next();
String name = entry.getKey();
JsonNode node = entry.getValue();
if (node.isObject()) {
// tuple
builder.addEntry(name, convert(node.toString()));
} else if (node.isArray()) {
builder.addEntry(name, nodeToList(node));
} else if (node.isNull()) {
builder.addEntry(name, null);
} else if (node.isBoolean()) {
builder.addEntry(name, node.booleanValue());
} else if (node.isNumber()) {
builder.addEntry(name, node.numberValue());
} else {
builder.addEntry(name, mapper.treeToValue(node, Object.class));
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return builder.build();
}
@Override
public Tuple getGroupTuple(Tuple keysTuple) {
Tuples.asModifiable(joinedTuple);
for (int i = 0; i < collections.length; i++)
joinedTuplesArray[i] = collections[i].isEmpty() ? emptyTuple : keysTuple;
joinedTuple = joinedBuilder.makeResult(joinedTuplesArray);
return joinedTuple;
}
@Override
public Tuple convert(String source) {
TupleBuilder builder = TupleBuilder.tuple();
try {
JsonNode root = mapper.readTree(source);
for (Iterator<Entry<String, JsonNode>> it = root.fields(); it.hasNext(); ) {
Entry<String, JsonNode> entry = it.next();
String name = entry.getKey();
JsonNode node = entry.getValue();
if (node.isObject()) {
// tuple
builder.addEntry(name, convert(node.toString()));
} else if (node.isArray()) {
builder.addEntry(name, nodeToList(node));
} else {
if (name.equals("id")) {
// TODO how should this be handled?
} else if (name.equals("timestamp")) {
// TODO how should this be handled?
} else {
builder.addEntry(name, node.asText());
}
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
return builder.build();
}
