final String jsonData, final OffsetDateTime observedTimestamp) {
cpsValidator.validateNameCharacters(dataspaceName, anchorName);
final Anchor anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
- final DataNode dataNode = buildDataNode(anchor, parentNodeXpath, jsonData, ContentType.JSON);
- cpsDataPersistenceService.updateDataLeaves(dataspaceName, anchorName, dataNode.getXpath(),
- dataNode.getLeaves());
+ final Collection<DataNode> dataNodesInPatch = buildDataNodes(anchor, parentNodeXpath, jsonData,
+ ContentType.JSON);
+ if (dataNodesInPatch.size() > 1) {
+ throw new DataValidationException("Operation is not supported for multiple data nodes",
+ "Number of data nodes present: " + dataNodesInPatch.size());
+ }
+ cpsDataPersistenceService.updateDataLeaves(dataspaceName, anchorName,
+ dataNodesInPatch.iterator().next().getXpath(),
+ dataNodesInPatch.iterator().next().getLeaves());
processDataUpdatedEventAsync(anchor, parentNodeXpath, UPDATE, observedTimestamp);
}