Package org.apache.zookeeper.proto

Examples of org.apache.zookeeper.proto.Create2Request

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                addChangeRecord(parentRecord);
                addChangeRecord(new ChangeRecord(request.getHdr().getZxid(), path, s, 0, listACL));
                break;
            }
            case OpCode.create2: {
                Create2Request createRequest = (Create2Request)record;
                if (deserialize) {
                    ByteBufferInputStream.byteBuffer2Record(request.request, createRequest);
                }
                CreateMode createMode = CreateMode.fromFlag(createRequest.getFlags());
                validateCreateRequest(createMode, request);
                String path = createRequest.getPath();
                String parentPath = validatePathForCreate(path, request.sessionId);

                List<ACL> listACL = fixupACL(path, request.authInfo, createRequest.getAcl());
                ChangeRecord parentRecord = getRecordForPath(parentPath);

                checkACL(zks, parentRecord.acl, ZooDefs.Perms.CREATE, request.authInfo);
                int parentCVersion = parentRecord.stat.getCversion();
                if (createMode.isSequential()) {
                    path = path + String.format(Locale.ENGLISH, "%010d", parentCVersion);
                }
                try {
                    PathUtils.validatePath(path);
                } catch(IllegalArgumentException ie) {
                    LOG.info("Invalid path " + path + " with session 0x" +
                            Long.toHexString(request.sessionId));
                    throw new KeeperException.BadArgumentsException(path);
                }
                try {
                    if (getRecordForPath(path) != null) {
                        throw new KeeperException.NodeExistsException(path);
                    }
                } catch (KeeperException.NoNodeException e) {
                    // ignore this one
                }
                boolean ephemeralParent = parentRecord.stat.getEphemeralOwner() != 0;
                if (ephemeralParent) {
                    throw new KeeperException.NoChildrenForEphemeralsException(path);
                }
                int newCversion = parentRecord.stat.getCversion()+1;
                request.setTxn(new CreateTxn(path, createRequest.getData(), listACL, createMode.isEphemeral(),
                        newCversion));
                StatPersisted s = new StatPersisted();
                if (createMode.isEphemeral()) {
                    s.setEphemeralOwner(request.sessionId);
                }
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            case OpCode.create:
                CreateRequest createRequest = new CreateRequest();
                pRequest2Txn(request.type, zks.getNextZxid(), request, createRequest, true);
                break;
            case OpCode.create2:
                Create2Request create2Request = new Create2Request();
                pRequest2Txn(request.type, zks.getNextZxid(), request, create2Request, true);
                break;
            case OpCode.delete:
                DeleteRequest deleteRequest = new DeleteRequest();              
                pRequest2Txn(request.type, zks.getNextZxid(), request, deleteRequest, true);
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                addChangeRecord(parentRecord);
                addChangeRecord(new ChangeRecord(request.getHdr().getZxid(), path, s, 0, listACL));
                break;
            }
            case OpCode.create2: {
                Create2Request createRequest = (Create2Request)record;
                if (deserialize) {
                    ByteBufferInputStream.byteBuffer2Record(request.request, createRequest);
                }
                CreateMode createMode = CreateMode.fromFlag(createRequest.getFlags());
                validateCreateRequest(createMode, request);
                String path = createRequest.getPath();
                String parentPath = validatePathForCreate(path, request.sessionId);

                List<ACL> listACL = fixupACL(path, request.authInfo, createRequest.getAcl());
                ChangeRecord parentRecord = getRecordForPath(parentPath);

                checkACL(zks, parentRecord.acl, ZooDefs.Perms.CREATE, request.authInfo);
                int parentCVersion = parentRecord.stat.getCversion();
                if (createMode.isSequential()) {
                    path = path + String.format(Locale.ENGLISH, "%010d", parentCVersion);
                }
                try {
                    PathUtils.validatePath(path);
                } catch(IllegalArgumentException ie) {
                    LOG.info("Invalid path " + path + " with session 0x" +
                            Long.toHexString(request.sessionId));
                    throw new KeeperException.BadArgumentsException(path);
                }
                try {
                    if (getRecordForPath(path) != null) {
                        throw new KeeperException.NodeExistsException(path);
                    }
                } catch (KeeperException.NoNodeException e) {
                    // ignore this one
                }
                boolean ephemeralParent = parentRecord.stat.getEphemeralOwner() != 0;
                if (ephemeralParent) {
                    throw new KeeperException.NoChildrenForEphemeralsException(path);
                }
                int newCversion = parentRecord.stat.getCversion()+1;
                request.setTxn(new CreateTxn(path, createRequest.getData(), listACL, createMode.isEphemeral(),
                        newCversion));
                StatPersisted s = new StatPersisted();
                if (createMode.isEphemeral()) {
                    s.setEphemeralOwner(request.sessionId);
                }
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            case OpCode.create:
                CreateRequest createRequest = new CreateRequest();
                pRequest2Txn(request.type, zks.getNextZxid(), request, createRequest, true);
                break;
            case OpCode.create2:
                Create2Request create2Request = new Create2Request();
                pRequest2Txn(request.type, zks.getNextZxid(), request, create2Request, true);
                break;
            case OpCode.delete:
                DeleteRequest deleteRequest = new DeleteRequest();              
                pRequest2Txn(request.type, zks.getNextZxid(), request, deleteRequest, true);
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        final String serverPath = prependChroot(clientPath);

        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.create2);
        Create2Request request = new Create2Request();
        Create2Response response = new Create2Response();
        request.setData(data);
        request.setFlags(createMode.toFlag());
        request.setPath(serverPath);
        if (acl != null && acl.size() == 0) {
            throw new KeeperException.InvalidACLException();
        }
        request.setAcl(acl);
        ReplyHeader r = cnxn.submitRequest(h, request, response, null);
        if (r.getErr() != 0) {
            throw KeeperException.create(KeeperException.Code.get(r.getErr()),
                    clientPath);
        }
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        final String serverPath = prependChroot(clientPath);

        RequestHeader h = new RequestHeader();
        h.setType(ZooDefs.OpCode.create2);
        Create2Request request = new Create2Request();
        Create2Response response = new Create2Response();
        ReplyHeader r = new ReplyHeader();
        request.setData(data);
        request.setFlags(createMode.toFlag());
        request.setPath(serverPath);
        request.setAcl(acl);
        cnxn.queuePacket(h, r, request, response, cb, clientPath,
                serverPath, ctx, null);
    }
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Related Classes of org.apache.zookeeper.proto.Create2Request

  • org.apache.zookeeper.server.PrepRequestProcessor
  • org.apache.zookeeper.ZooKeeper
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