/**
* Deletes the specified object from the object set.
*
* <p>{@inheritDoc}
*
* @throws NotFoundException if the specified object could not be found.
* @throws ForbiddenException if access to the object is forbidden.
* @throws ConflictException if version is required but is {@code null}.
* @throws PreconditionFailedException if version did not match the existing object in the set.
*/
@Override
public ResourceResponse delete(DeleteRequest request) throws ResourceException {
if (request.getResourcePathObject().size() < 2) {
throw new NotFoundException(
"The object identifier did not include sufficient information to determine the object type and identifier of the object to update: "
+ request.getResourcePath());
}
if (request.getRevision() == null || "".equals(request.getRevision())) {
throw new ConflictException(
"Object passed into delete does not have revision it expects set.");
}
final String type = request.getResourcePathObject().parent().toString();
final String localId = request.getResourcePathObject().leaf();
int ver =
DocumentUtil.parseVersion(
request.getRevision()); // This throws ConflictException if parse fails
ODatabaseDocumentTx db = getConnection();
try {
ODocument existingDoc = predefinedQueries.getByID(localId, type, db);
if (existingDoc == null) {
throw new NotFoundException(
"Object does not exist for delete on: " + request.getResourcePath());
}
db.delete(existingDoc.getIdentity(), new OSimpleVersion(ver));
logger.debug("delete for id succeeded: {} revision: {}", localId, request.getRevision());
return DocumentUtil.toResource(existingDoc);
} catch (ODatabaseException ex) {
// Without transaction the concurrent modification exception gets nested instead
if (isCauseConcurrentModificationException(ex, 10)) {
throw new PreconditionFailedException(
"Delete rejected as current Object revision is different than expected by caller, the object has changed since retrieval. "
+ ex.getMessage(),
ex);
} else {
throw ex;
}
} catch (OConcurrentModificationException ex) {
throw new PreconditionFailedException(
"Delete rejected as current Object revision is different than expected by caller, the object has changed since retrieval."
+ ex.getMessage(),
ex);
} catch (RuntimeException e) {
throw e;
} finally {
if (db != null) {
db.close();
}
}
}
/**
* Updates the specified object in the object set.
*
* <p>This implementation does not require MVCC and uses the current revision if no revision is
* specified in the request.
*
* <p>If successful, this method updates metadata properties within the passed object, including:
* a new {@code _rev} value for the revised object's version
*
* @param request the contents of the object to update
* @throws ConflictException if version is required but is {@code null}.
* @throws ForbiddenException if access to the object is forbidden.
* @throws NotFoundException if the specified object could not be found.
* @throws PreconditionFailedException if version did not match the existing object in the set.
* @throws BadRequestException if the passed identifier is invalid
*/
@Override
public ResourceResponse update(UpdateRequest request) throws ResourceException {
if (request.getResourcePathObject().size() < 2) {
throw new NotFoundException(
"The object identifier did not include sufficient information to determine the object type and identifier of the object to update: "
+ request.getResourcePath());
}
final String type = request.getResourcePathObject().parent().toString();
final String localId = request.getResourcePathObject().leaf();
String orientClassName = typeToOrientClassName(type);
JsonValue obj = request.getContent();
if (request.getRevision() != null && !"".equals(request.getRevision())) {
obj.put(DocumentUtil.TAG_REV, request.getRevision());
}
ODatabaseDocumentTx db = getConnection();
try {
ODocument existingDoc = predefinedQueries.getByID(localId, type, db);
if (existingDoc == null) {
throw new NotFoundException(
"Update on object " + request.getResourcePath() + " could not find existing object.");
}
ODocument updatedDoc = DocumentUtil.toDocument(obj, existingDoc, db, orientClassName);
logger.trace("Updated doc for id {} to save {}", request.getResourcePath(), updatedDoc);
updatedDoc.save();
obj.put(DocumentUtil.TAG_REV, Integer.toString(updatedDoc.getVersion()));
// Set ID to return to caller
obj.put(DocumentUtil.TAG_ID, updatedDoc.field(DocumentUtil.ORIENTDB_PRIMARY_KEY));
logger.debug(
"Committed update for id: {} revision: {}",
request.getResourcePath(),
updatedDoc.getVersion());
logger.trace("Update payload for id: {} doc: {}", request.getResourcePath(), updatedDoc);
return newResourceResponse(
obj.get(DocumentUtil.TAG_ID).asString(), obj.get(DocumentUtil.TAG_REV).asString(), obj);
} catch (ODatabaseException ex) {
// Without transaction the concurrent modification exception gets nested instead
if (isCauseConcurrentModificationException(ex, 10)) {
throw new PreconditionFailedException(
"Update rejected as current Object revision is different than expected by caller, the object has changed since retrieval: "
+ ex.getMessage(),
ex);
} else {
throw ex;
}
} catch (OConcurrentModificationException ex) {
throw new PreconditionFailedException(
"Update rejected as current Object revision is different than expected by caller, the object has changed since retrieval: "
+ ex.getMessage(),
ex);
} catch (RuntimeException e) {
throw e;
} finally {
if (db != null) {
db.close();
}
}
}