public boolean isPipePluginExisted(final String pipePluginName, final boolean isTableModel) {
    acquirePipePluginInfoLock();
    try {
      return pipePluginMetaKeeper.containsPipePlugin(pipePluginName)
          && pipePluginMetaKeeper.visibleUnder(pipePluginName, isTableModel);
    } finally {
      releasePipePluginInfoLock();
    }
  }
@return true if the pipe plugin is not created and the isSetIfExistsCondition is true, false
    otherwise
@throws PipeException if the pipe plugin is not created and the isSetIfExistsCondition is false
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/persistence/pipe/PipePluginInfo.java