Examples with NamespaceMetadata org.apache.bookkeeper.stream.proto.NamespaceMetadata used on opensource projects

Example 1 with NamespaceMetadata

use of org.apache.bookkeeper.stream.proto.NamespaceMetadata in project bookkeeper by apache.

the class RootRangeStoreImpl method executeCreateNamespaceTxn.

private CompletableFuture<CreateNamespaceResponse> executeCreateNamespaceTxn(long currentNsId, long currentNsIdRev, CreateNamespaceRequest request) {
    long namespaceId = currentNsId + 1;
    String nsName = request.getName();
    NamespaceMetadata metadata = NamespaceMetadata.newBuilder().setProps(NamespaceProperties.newBuilder().setNamespaceId(namespaceId).setNamespaceName(nsName).setDefaultStreamConf(request.getColConf().getDefaultStreamConf())).build();
    byte[] nsNameKey = getNamespaceNameKey(nsName);
    byte[] nsNameVal = Bytes.toBytes(namespaceId);
    byte[] nsIdKey = getNamespaceIdKey(namespaceId);
    byte[] nsIdVal = metadata.toByteArray();
    TxnOp<byte[], byte[]> txn = store.newTxn().If(store.newCompareValue(CompareResult.EQUAL, nsNameKey, null), currentNsIdRev < 0 ? store.newCompareValue(CompareResult.EQUAL, NS_ID_KEY, null) : store.newCompareModRevision(CompareResult.EQUAL, NS_ID_KEY, currentNsIdRev)).Then(store.newPut(nsNameKey, nsNameVal), store.newPut(nsIdKey, nsIdVal), store.newPut(NS_ID_KEY, Bytes.toBytes(namespaceId))).build();
    return store.txn(txn).thenApply(txnResult -> {
        try {
            CreateNamespaceResponse.Builder respBuilder = CreateNamespaceResponse.newBuilder();
            if (txnResult.isSuccess()) {
                respBuilder.setCode(StatusCode.SUCCESS);
                respBuilder.setColProps(metadata.getProps());
            } else {
                // TODO: differentiate the error code
                respBuilder.setCode(StatusCode.INTERNAL_SERVER_ERROR);
            }
            return respBuilder.build();
        } finally {
            txnResult.close();
        }
    }).whenComplete((resp, cause) -> txn.close());
}