/** * Parses an unset expression using the given json object */ public static UnsetExpression fromJson(ObjectNode node) { if (node.size() == 1) { JsonNode val = node.get(UpdateOperator._unset.toString()); if (val != null) { List<Path> fields = new ArrayList<>(); if (val instanceof ArrayNode) { for (Iterator<JsonNode> itr = ((ArrayNode) val).elements(); itr.hasNext();) { fields.add(new Path(itr.next().asText())); } } else if (val.isValueNode()) { fields.add(new Path(val.asText())); } return new UnsetExpression(fields); } } throw Error.get(QueryConstants.ERR_INVALID_UNSET_EXPRESSION, node.toString()); }
/** * Parses an unset expression using the given json object */ public static UnsetExpression fromJson(ObjectNode node) { if (node.size() == 1) { JsonNode val = node.get(UpdateOperator._unset.toString()); if (val != null) { List<Path> fields = new ArrayList<>(); if (val instanceof ArrayNode) { for (Iterator<JsonNode> itr = ((ArrayNode) val).elements(); itr.hasNext();) { fields.add(new Path(itr.next().asText())); } } else if (val.isValueNode()) { fields.add(new Path(val.asText())); } return new UnsetExpression(fields); } } throw Error.get(QueryConstants.ERR_INVALID_UNSET_EXPRESSION, node.toString()); }