@SuppressWarnings({"UnusedDeclaration"})
@PUT
@Path("{pId}/{tId}/terminator")
public Response terminate(
@PathParam("pId") @DefaultValue("") String pId,
@PathParam("tId") @DefaultValue("") String tId,
String content) {
TxStatus status = TxSupport.toTxStatus(content);
// String status = TxSupport.getStatus(content);
Work work = faults.get(pId);
if (work == null) return Response.status(HttpURLConnection.HTTP_NOT_FOUND).build();
String fault = work.fault;
if (status.isPrepare()) {
if ("READONLY".equals(fault)) {
// faults.remove(pId);
work.status = TxStatus.TransactionReadOnly.name();
} else if ("PREPARE_FAIL".equals(fault)) {
// faults.remove(pId);
return Response.status(HttpURLConnection.HTTP_CONFLICT).build();
// throw new WebApplicationException(HttpURLConnection.HTTP_CONFLICT);
} else {
if ("PDELAY".equals(fault)) {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
}
}
work.status = TxStatus.TransactionPrepared.name();
}
} else if (status.isCommit() || status.isCommitOnePhase()) {
if ("H_HAZARD".equals(fault)) work.status = TxStatus.TransactionHeuristicHazard.name();
else if ("H_ROLLBACK".equals(fault))
work.status = TxStatus.TransactionHeuristicRollback.name();
else if ("H_MIXED".equals(fault)) work.status = TxStatus.TransactionHeuristicMixed.name();
else {
if ("CDELAY".equals(fault)) {
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
// ok
}
}
work.status =
status.isCommitOnePhase()
? TxStatus.TransactionCommittedOnePhase.name()
: TxStatus.TransactionCommitted.name();
work.end(true);
}
} else if (status.isAbort()) {
if ("H_HAZARD".equals(fault)) work.status = TxStatus.TransactionHeuristicHazard.name();
else if ("H_COMMIT".equals(fault)) work.status = TxStatus.TransactionHeuristicCommit.name();
else if ("H_MIXED".equals(fault)) work.status = TxStatus.TransactionHeuristicMixed.name();
else {
if ("ADELAY".equals(fault)) {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
// ok
}
}
work.status = TxStatus.TransactionRolledBack.name();
work.end(false);
// faults.remove(pId);
}
} else {
return Response.status(HttpURLConnection.HTTP_BAD_REQUEST).build();
// throw new WebApplicationException(HttpURLConnection.HTTP_BAD_REQUEST);
}
// return TxSupport.toStatusContent(work.status);
return Response.ok(TxSupport.toStatusContent(work.status)).build();
}
@POST
@Produces(TxMediaType.PLAIN_MEDIA_TYPE)
public String enlist(
@Context UriInfo info,
@QueryParam("pId") @DefaultValue("") String pId,
@QueryParam("fault") @DefaultValue("") String fault,
@QueryParam("twoPhaseAware") @DefaultValue("true") String twoPhaseAware,
@QueryParam("isVolatile") @DefaultValue("false") String isVolatile,
String enlistUrl)
throws IOException {
Work work = faults.get(pId);
TxSupport txn = new TxSupport();
String txId = enlistUrl.substring(enlistUrl.lastIndexOf('/') + 1);
boolean isTwoPhaseAware = "true".equals(twoPhaseAware);
boolean isVolatileParticipant = "true".equals(isVolatile);
String vRegistration = null; // URI for registering with the volatile phase
String vParticipantLink = null; // URI for handling pre and post 2PC phases
String path = TxSupport.extractUri(info);
if (work == null) {
int id = ++pid;
work =
makeWork(
txn,
path,
String.valueOf(id),
txId,
enlistUrl,
isTwoPhaseAware,
isVolatileParticipant,
null,
fault);
} else {
Work newWork =
makeWork(
txn,
path,
work.id,
txId,
enlistUrl,
isTwoPhaseAware,
isVolatileParticipant,
null,
fault);
newWork.oldState = work.oldState;
newWork.newState = work.newState;
work = newWork;
}
if (enlistUrl.indexOf(',') != -1) {
String[] urls = enlistUrl.split(",");
if (urls.length < 2) throw new WebApplicationException(HttpURLConnection.HTTP_BAD_REQUEST);
enlistUrl = urls[0];
vRegistration = urls[1];
String vParticipant =
new StringBuilder(path)
.append('/')
.append(work.id)
.append('/')
.append(txId)
.append('/')
.append("vp")
.toString();
vParticipantLink =
txn.addLink2(new StringBuilder(), TxLinkNames.VOLATILE_PARTICIPANT, vParticipant, true)
.toString();
}
try {
// enlist TestResource in the transaction as a participant
work.recoveryUrl = txn.enlistParticipant(enlistUrl, work.pLinks);
if (vParticipantLink != null)
txn.enlistVolatileParticipant(vRegistration, vParticipantLink);
} catch (HttpResponseException e) {
throw new WebApplicationException(e.getActualResponse());
}
work.status = TxStatus.TransactionActive.name();
work.start();
faults.put(work.id, work);
return work.id;
}