use of org.apache.zookeeper.txn.CreateContainerTxn in project zookeeper by apache.
the class PrepRequestProcessor method pRequest2TxnCreate.
private void pRequest2TxnCreate(int type, Request request, Record record, boolean deserialize) throws IOException, KeeperException {
if (deserialize) {
ByteBufferInputStream.byteBuffer2Record(request.request, record);
}
int flags;
String path;
List<ACL> acl;
byte[] data;
long ttl;
if (type == OpCode.createTTL) {
CreateTTLRequest createTtlRequest = (CreateTTLRequest) record;
flags = createTtlRequest.getFlags();
path = createTtlRequest.getPath();
acl = createTtlRequest.getAcl();
data = createTtlRequest.getData();
ttl = createTtlRequest.getTtl();
} else {
CreateRequest createRequest = (CreateRequest) record;
flags = createRequest.getFlags();
path = createRequest.getPath();
acl = createRequest.getAcl();
data = createRequest.getData();
ttl = -1;
}
CreateMode createMode = CreateMode.fromFlag(flags);
validateCreateRequest(path, createMode, request, ttl);
String parentPath = validatePathForCreate(path, request.sessionId);
List<ACL> listACL = fixupACL(path, request.authInfo, acl);
ChangeRecord parentRecord = getRecordForPath(parentPath);
zks.checkACL(request.cnxn, parentRecord.acl, ZooDefs.Perms.CREATE, request.authInfo, path, listACL);
int parentCVersion = parentRecord.stat.getCversion();
if (createMode.isSequential()) {
path = path + String.format(Locale.ENGLISH, "%010d", parentCVersion);
}
validatePath(path, request.sessionId);
try {
if (getRecordForPath(path) != null) {
throw new KeeperException.NodeExistsException(path);
}
} catch (KeeperException.NoNodeException e) {
// ignore this one
}
boolean ephemeralParent = EphemeralType.get(parentRecord.stat.getEphemeralOwner()) == EphemeralType.NORMAL;
if (ephemeralParent) {
throw new KeeperException.NoChildrenForEphemeralsException(path);
}
int newCversion = parentRecord.stat.getCversion() + 1;
zks.checkQuota(path, null, data, OpCode.create);
if (type == OpCode.createContainer) {
request.setTxn(new CreateContainerTxn(path, data, listACL, newCversion));
} else if (type == OpCode.createTTL) {
request.setTxn(new CreateTTLTxn(path, data, listACL, newCversion, ttl));
} else {
request.setTxn(new CreateTxn(path, data, listACL, createMode.isEphemeral(), newCversion));
}
TxnHeader hdr = request.getHdr();
long ephemeralOwner = 0;
if (createMode.isContainer()) {
ephemeralOwner = EphemeralType.CONTAINER_EPHEMERAL_OWNER;
} else if (createMode.isTTL()) {
ephemeralOwner = EphemeralType.TTL.toEphemeralOwner(ttl);
} else if (createMode.isEphemeral()) {
ephemeralOwner = request.sessionId;
}
StatPersisted s = DataTree.createStat(hdr.getZxid(), hdr.getTime(), ephemeralOwner);
parentRecord = parentRecord.duplicate(request.getHdr().getZxid());
parentRecord.childCount++;
parentRecord.stat.setCversion(newCversion);
parentRecord.stat.setPzxid(request.getHdr().getZxid());
parentRecord.precalculatedDigest = precalculateDigest(DigestOpCode.UPDATE, parentPath, parentRecord.data, parentRecord.stat);
addChangeRecord(parentRecord);
ChangeRecord nodeRecord = new ChangeRecord(request.getHdr().getZxid(), path, s, 0, listACL);
nodeRecord.data = data;
nodeRecord.precalculatedDigest = precalculateDigest(DigestOpCode.ADD, path, nodeRecord.data, s);
setTxnDigest(request, nodeRecord.precalculatedDigest);
addChangeRecord(nodeRecord);
}
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