How to use

getFeedName

method

in

org.apache.asterix.lang.common.statement.FeedDropStatement

@Override
public Void visit(FeedDropStatement del, Integer step) throws CompilationException {
  out.print(skip(step) + "drop " + FEED);
  out.print(generateFullName(del.getDataverseName(), del.getFeedName()));
  out.println(generateIfExists(del.getIfExists()) + SEMICOLON);
  return null;
}

protected void handleDropFeedStatement(MetadataProvider metadataProvider, Statement stmt,
    IHyracksClientConnection hcc) throws Exception {
  FeedDropStatement stmtFeedDrop = (FeedDropStatement) stmt;
  SourceLocation sourceLoc = stmtFeedDrop.getSourceLocation();
  String dataverseName = getActiveDataverse(stmtFeedDrop.getDataverseName());
  String feedName = stmtFeedDrop.getFeedName().getValue();
  MetadataTransactionContext mdTxnCtx = MetadataManager.INSTANCE.beginTransaction();
  metadataProvider.setMetadataTxnContext(mdTxnCtx);
  MetadataLockUtil.dropFeedBegin(lockManager, metadataProvider.getLocks(), dataverseName,
      dataverseName + "." + feedName);
  try {
    Feed feed = MetadataManager.INSTANCE.getFeed(mdTxnCtx, dataverseName, feedName);
    if (feed == null) {
      if (!stmtFeedDrop.getIfExists()) {
        throw new CompilationException(ErrorCode.COMPILATION_ERROR, sourceLoc,
            "There is no feed with this name " + feedName + ".");
      }
      MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
      return;
    }
    doDropFeed(hcc, metadataProvider, feed, sourceLoc);
    MetadataManager.INSTANCE.commitTransaction(mdTxnCtx);
  } catch (Exception e) {
    abort(e, e, mdTxnCtx);
    throw e;
  } finally {
    metadataProvider.getLocks().unlock();
  }
}