public void deleteCluster(CFSecurityAuthorization Authorization, CFSecurityClusterBuff Buff) {
    final String S_ProcName = "CFDbTestRamClusterTable.deleteCluster() ";
    CFSecurityClusterPKey pkey = schema.getFactoryCluster().newPKey();
    pkey.setRequiredId(Buff.getRequiredId());
    CFSecurityClusterBuff existing = dictByPKey.get(pkey);
    if (existing == null) {
      return;
    }
    if (existing.getRequiredRevision() != Buff.getRequiredRevision()) {
      throw CFLib.getDefaultExceptionFactory()
          .newCollisionDetectedException(getClass(), "deleteCluster", pkey);
    }
    CFSecurityClusterByUDomainNameIdxKey keyUDomainNameIdx =
        schema.getFactoryCluster().newUDomainNameIdxKey();
    keyUDomainNameIdx.setRequiredFullDomainName(existing.getRequiredFullDomainName());

    CFSecurityClusterByUDescrIdxKey keyUDescrIdx = schema.getFactoryCluster().newUDescrIdxKey();
    keyUDescrIdx.setRequiredDescription(existing.getRequiredDescription());

    // Validate reverse foreign keys

    // Delete is valid

    schema.getTableHostNode().deleteHostNodeByClusterIdx(Authorization, Buff.getRequiredId());
    schema.getTableTenant().deleteTenantByClusterIdx(Authorization, Buff.getRequiredId());
    schema.getTableSecApp().deleteSecAppByClusterIdx(Authorization, Buff.getRequiredId());
    schema.getTableSecGroup().deleteSecGroupByClusterIdx(Authorization, Buff.getRequiredId());
    schema.getTableSysCluster().deleteSysClusterByClusterIdx(Authorization, Buff.getRequiredId());
    Map<CFSecurityClusterPKey, CFSecurityClusterBuff> subdict;

    dictByPKey.remove(pkey);

    dictByUDomainNameIdx.remove(keyUDomainNameIdx);

    dictByUDescrIdx.remove(keyUDescrIdx);
  }