@Override
protected void execute(
final @NonNull KernelHttpRequest request, final @NonNull KernelHttpResponse response) {
if (!request.isPrivileged()) throw new AdminAccessException();
final String queryType = request.getParameter("queryType");
final PrintWriter writer = response.getWriter();
writer.print("[");
try {
final ValidatingKernel kernel = getKernel();
final BeginTransactionResult btr = kernel.beginTransaction();
final NodesTransaction txn = btr.getTxn();
boolean commit = false;
try {
final Processor processor = processors.get(queryType);
if (processor == null) writer.println("Query type '" + queryType + "' not found");
else processor.process(txn, request, writer);
commit = true;
} finally {
txn.finish(commit);
}
writer.print("]");
} finally {
writer.close();
}
}
@Override
public void execute() {
final BeginTransactionResult btr = kernel.beginTransaction();
final NodesTransaction txn = btr.getTxn();
boolean commit = false;
try {
txn.deleteLink(linkNodeId, wordParentMeaningNodeId);
txn.deleteLink(linkNodeId, wordMeaningNodeId);
txn.deleteNodeRecursively(linkNodeId);
commit = true;
} finally {
txn.finish(commit);
}
}
@Override
public void execute() {
final WordIndexContextProvider wicp = wicpReactor.getInstance();
// add new link and possibly word
final NodeId contextNodeId = wicp.getWordIndexContext();
final NodeKey nodeKey = new NamedNodeKey(contextNodeId, word);
//
final Coordinator coordinator = coordReactor.getInstance();
final Reservation reservation =
coordinator.reserve(
CoordinatorUtil.makeSetOfRules(new BaseKeyRule(nodeKey)),
CoordinatorUtil.makeSetOfIntents(new BaseKeyIntent(nodeKey)));
try {
final BeginTransactionResult btr = kernel.beginTransaction();
final NodesTransaction txn = btr.getTxn();
boolean commit = false;
try {
NodeId wordNodeId = txn.getNode(nodeKey);
if (wordNodeId == null) {
// TODO use unique datum?
wordNodeId = txn.insertNode(new StringDatum(word));
txn.insertKey(nodeKey, wordNodeId, false);
txn.dereference(wordNodeId);
}
final NodeId linkNodeId = txn.insertNode();
txn.insertLink(linkNodeId, nodeBeingIndexed, wordParentMeaningNodeId, false);
txn.insertLink(linkNodeId, wordNodeId, wordMeaningNodeId, false);
txn.dereference(linkNodeId);
commit = true;
} finally {
txn.finish(commit);
}
} finally {
reservation.release();
}
}