public void startElement(String uri, String localName, String qName, Attributes attrs)
      throws SAXException {
    try {
      // Common XML Attributes
      String attrId = null;
      String attrRevision = null;
      // Value Attributes
      String attrTenantId = null;
      String attrScopeId = null;
      String attrDefSchemaTenantId = null;
      String attrDefSchemaId = null;
      String attrName = null;
      String attrShortName = null;
      String attrLabel = null;
      String attrShortDescription = null;
      String attrDescription = null;
      String attrIsNullable = null;
      String attrGenerateId = null;
      String attrDataScopeId = null;
      String attrViewAccessSecurityId = null;
      String attrEditAccessSecurityId = null;
      String attrViewAccessFrequencyId = null;
      String attrEditAccessFrequencyId = null;
      String attrPrevTenantId = null;
      String attrPrevId = null;
      String attrNextTenantId = null;
      String attrNextId = null;
      String attrDefaultVisibility = null;
      String attrCreatedAt = null;
      String attrCreatedBy = null;
      String attrUpdatedAt = null;
      String attrUpdatedBy = null;
      // Atom Attributes
      String attrDbName = null;
      // Attribute Extraction
      String attrLocalName;
      int numAttrs;
      int idxAttr;
      final String S_ProcName = "startElement";
      final String S_LocalName = "LocalName";

      assert qName.equals("RspnAtomLocked");

      CFBamXMsgRspnHandler xmsgRspnHandler = (CFBamXMsgRspnHandler) getParser();
      if (xmsgRspnHandler == null) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "getParser()");
      }

      ICFBamSchemaObj schemaObj = xmsgRspnHandler.getSchemaObj();
      if (schemaObj == null) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "getParser().getSchemaObj()");
      }

      // Extract Attributes
      numAttrs = attrs.getLength();
      for (idxAttr = 0; idxAttr < numAttrs; idxAttr++) {
        attrLocalName = attrs.getLocalName(idxAttr);
        if (attrLocalName.equals("Id")) {
          if (attrId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("Revision")) {
          if (attrRevision != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrRevision = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("CreatedAt")) {
          if (attrCreatedAt != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrCreatedAt = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("CreatedBy")) {
          if (attrCreatedBy != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrCreatedBy = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("UpdatedAt")) {
          if (attrUpdatedAt != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrUpdatedAt = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("UpdatedBy")) {
          if (attrUpdatedBy != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrUpdatedBy = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("TenantId")) {
          if (attrTenantId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrTenantId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("ScopeId")) {
          if (attrScopeId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrScopeId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("DefSchemaTenantId")) {
          if (attrDefSchemaTenantId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrDefSchemaTenantId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("DefSchemaId")) {
          if (attrDefSchemaId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrDefSchemaId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("Name")) {
          if (attrName != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrName = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("ShortName")) {
          if (attrShortName != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrShortName = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("Label")) {
          if (attrLabel != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrLabel = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("ShortDescription")) {
          if (attrShortDescription != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrShortDescription = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("Description")) {
          if (attrDescription != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrDescription = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("IsNullable")) {
          if (attrIsNullable != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrIsNullable = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("GenerateId")) {
          if (attrGenerateId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrGenerateId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("DataScopeId")) {
          if (attrDataScopeId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrDataScopeId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("ViewAccessSecurityId")) {
          if (attrViewAccessSecurityId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrViewAccessSecurityId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("EditAccessSecurityId")) {
          if (attrEditAccessSecurityId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrEditAccessSecurityId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("ViewAccessFrequencyId")) {
          if (attrViewAccessFrequencyId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrViewAccessFrequencyId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("EditAccessFrequencyId")) {
          if (attrEditAccessFrequencyId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrEditAccessFrequencyId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("PrevTenantId")) {
          if (attrPrevTenantId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrPrevTenantId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("PrevId")) {
          if (attrPrevId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrPrevId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("NextTenantId")) {
          if (attrNextTenantId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrNextTenantId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("NextId")) {
          if (attrNextId != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrNextId = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("DefaultVisibility")) {
          if (attrDefaultVisibility != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrDefaultVisibility = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("DbName")) {
          if (attrDbName != null) {
            throw CFLib.getDefaultExceptionFactory()
                .newUniqueIndexViolationException(
                    getClass(), S_ProcName, S_LocalName, attrLocalName);
          }
          attrDbName = attrs.getValue(idxAttr);
        } else if (attrLocalName.equals("schemaLocation")) {
          // ignored
        } else {
          throw CFLib.getDefaultExceptionFactory()
              .newUnrecognizedAttributeException(
                  getClass(), S_ProcName, getParser().getLocationInfo(), attrLocalName);
        }
      }

      // Ensure that required attributes have values
      if ((attrTenantId == null) || (attrTenantId.length() <= 0)) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "TenantId");
      }
      if ((attrScopeId == null) || (attrScopeId.length() <= 0)) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "ScopeId");
      }
      if ((attrId == null) || (attrId.length() <= 0)) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "Id");
      }
      if (attrName == null) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "Name");
      }
      if ((attrIsNullable == null) || (attrIsNullable.length() <= 0)) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "IsNullable");
      }
      if ((attrDefaultVisibility == null) || (attrDefaultVisibility.length() <= 0)) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "DefaultVisibility");
      }
      if ((attrRevision == null) || (attrRevision.length() <= 0)) {
        throw CFLib.getDefaultExceptionFactory()
            .newNullArgumentException(getClass(), S_ProcName, 0, "Revision");
      }

      // Save named attributes to context
      CFLibXmlCoreContext curContext = getParser().getCurContext();

      // Convert string attributes to native Java types

      long natTenantId = Long.parseLong(attrTenantId);

      long natScopeId = Long.parseLong(attrScopeId);

      long natId = Long.parseLong(attrId);

      Long natDefSchemaTenantId;
      if ((attrDefSchemaTenantId == null) || (attrDefSchemaTenantId.length() <= 0)) {
        natDefSchemaTenantId = null;
      } else {
        natDefSchemaTenantId = new Long(Long.parseLong(attrDefSchemaTenantId));
      }

      Long natDefSchemaId;
      if ((attrDefSchemaId == null) || (attrDefSchemaId.length() <= 0)) {
        natDefSchemaId = null;
      } else {
        natDefSchemaId = new Long(Long.parseLong(attrDefSchemaId));
      }

      String natName = attrName;

      String natShortName = attrShortName;

      String natLabel = attrLabel;

      String natShortDescription = attrShortDescription;

      String natDescription = attrDescription;

      boolean natIsNullable;
      if (attrIsNullable.equals("true")
          || attrIsNullable.equals("yes")
          || attrIsNullable.equals("1")) {
        natIsNullable = true;
      } else if (attrIsNullable.equals("false")
          || attrIsNullable.equals("no")
          || attrIsNullable.equals("0")) {
        natIsNullable = false;
      } else {
        throw CFLib.getDefaultExceptionFactory()
            .newUsageException(
                getClass(),
                S_ProcName,
                "Unexpected IsNullable value, must be one of true, false, yes, no, 1, or 0, not \""
                    + attrIsNullable
                    + "\"");
      }

      Boolean natGenerateId;
      if ((attrGenerateId == null) || (attrGenerateId.length() <= 0)) {
        natGenerateId = null;
      } else if (attrGenerateId.equals("true")
          || attrGenerateId.equals("yes")
          || attrGenerateId.equals("1")) {
        natGenerateId = true;
      } else if (attrGenerateId.equals("false")
          || attrGenerateId.equals("no")
          || attrGenerateId.equals("0")) {
        natGenerateId = false;
      } else {
        throw CFLib.getDefaultExceptionFactory()
            .newUsageException(
                getClass(),
                S_ProcName,
                "Unexpected GenerateId value, must be one of true, false, yes, no, 1, or 0, not \""
                    + attrGenerateId
                    + "\"");
      }

      Short natDataScopeId;
      if ((attrDataScopeId == null) || (attrDataScopeId.length() <= 0)) {
        natDataScopeId = null;
      } else {
        natDataScopeId = new Short(Short.parseShort(attrDataScopeId));
      }

      Short natViewAccessSecurityId;
      if ((attrViewAccessSecurityId == null) || (attrViewAccessSecurityId.length() <= 0)) {
        natViewAccessSecurityId = null;
      } else {
        natViewAccessSecurityId = new Short(Short.parseShort(attrViewAccessSecurityId));
      }

      Short natEditAccessSecurityId;
      if ((attrEditAccessSecurityId == null) || (attrEditAccessSecurityId.length() <= 0)) {
        natEditAccessSecurityId = null;
      } else {
        natEditAccessSecurityId = new Short(Short.parseShort(attrEditAccessSecurityId));
      }

      Short natViewAccessFrequencyId;
      if ((attrViewAccessFrequencyId == null) || (attrViewAccessFrequencyId.length() <= 0)) {
        natViewAccessFrequencyId = null;
      } else {
        natViewAccessFrequencyId = new Short(Short.parseShort(attrViewAccessFrequencyId));
      }

      Short natEditAccessFrequencyId;
      if ((attrEditAccessFrequencyId == null) || (attrEditAccessFrequencyId.length() <= 0)) {
        natEditAccessFrequencyId = null;
      } else {
        natEditAccessFrequencyId = new Short(Short.parseShort(attrEditAccessFrequencyId));
      }

      Long natPrevTenantId;
      if ((attrPrevTenantId == null) || (attrPrevTenantId.length() <= 0)) {
        natPrevTenantId = null;
      } else {
        natPrevTenantId = new Long(Long.parseLong(attrPrevTenantId));
      }

      Long natPrevId;
      if ((attrPrevId == null) || (attrPrevId.length() <= 0)) {
        natPrevId = null;
      } else {
        natPrevId = new Long(Long.parseLong(attrPrevId));
      }

      Long natNextTenantId;
      if ((attrNextTenantId == null) || (attrNextTenantId.length() <= 0)) {
        natNextTenantId = null;
      } else {
        natNextTenantId = new Long(Long.parseLong(attrNextTenantId));
      }

      Long natNextId;
      if ((attrNextId == null) || (attrNextId.length() <= 0)) {
        natNextId = null;
      } else {
        natNextId = new Long(Long.parseLong(attrNextId));
      }

      boolean natDefaultVisibility;
      if (attrDefaultVisibility.equals("true")
          || attrDefaultVisibility.equals("yes")
          || attrDefaultVisibility.equals("1")) {
        natDefaultVisibility = true;
      } else if (attrDefaultVisibility.equals("false")
          || attrDefaultVisibility.equals("no")
          || attrDefaultVisibility.equals("0")) {
        natDefaultVisibility = false;
      } else {
        throw CFLib.getDefaultExceptionFactory()
            .newUsageException(
                getClass(),
                S_ProcName,
                "Unexpected DefaultVisibility value, must be one of true, false, yes, no, 1, or 0, not \""
                    + attrDefaultVisibility
                    + "\"");
      }

      int natRevision = Integer.parseInt(attrRevision);
      UUID createdBy = null;
      if (attrCreatedBy != null) {
        createdBy = UUID.fromString(attrCreatedBy);
      }
      Calendar createdAt = null;
      if (attrCreatedAt != null) {
        createdAt = CFLibXmlUtil.parseTimestamp(attrCreatedAt);
      }
      UUID updatedBy = null;
      if (attrUpdatedBy != null) {
        updatedBy = UUID.fromString(attrUpdatedBy);
      }
      Calendar updatedAt = null;
      if (attrUpdatedAt != null) {
        updatedAt = CFLibXmlUtil.parseTimestamp(attrUpdatedAt);
      }
      String natDbName = attrDbName;

      // Instantiate a buffer for the parsed information
      ICFBamAtomObj obj = (ICFBamAtomObj) schemaObj.getAtomTableObj().newInstance();
      CFBamAtomBuff dataBuff = obj.getAtomBuff();
      dataBuff.setRequiredTenantId(natTenantId);
      dataBuff.setRequiredScopeId(natScopeId);
      dataBuff.setRequiredId(natId);
      dataBuff.setOptionalDefSchemaTenantId(natDefSchemaTenantId);
      dataBuff.setOptionalDefSchemaId(natDefSchemaId);
      dataBuff.setRequiredName(natName);
      dataBuff.setOptionalShortName(natShortName);
      dataBuff.setOptionalLabel(natLabel);
      dataBuff.setOptionalShortDescription(natShortDescription);
      dataBuff.setOptionalDescription(natDescription);
      dataBuff.setRequiredIsNullable(natIsNullable);
      dataBuff.setOptionalGenerateId(natGenerateId);
      dataBuff.setOptionalDataScopeId(natDataScopeId);
      dataBuff.setOptionalViewAccessSecurityId(natViewAccessSecurityId);
      dataBuff.setOptionalEditAccessSecurityId(natEditAccessSecurityId);
      dataBuff.setOptionalViewAccessFrequencyId(natViewAccessFrequencyId);
      dataBuff.setOptionalEditAccessFrequencyId(natEditAccessFrequencyId);
      dataBuff.setOptionalPrevTenantId(natPrevTenantId);
      dataBuff.setOptionalPrevId(natPrevId);
      dataBuff.setOptionalNextTenantId(natNextTenantId);
      dataBuff.setOptionalNextId(natNextId);
      dataBuff.setRequiredDefaultVisibility(natDefaultVisibility);
      dataBuff.setRequiredRevision(natRevision);
      if (createdBy != null) {
        dataBuff.setCreatedByUserId(createdBy);
      }
      if (createdAt != null) {
        dataBuff.setCreatedAt(createdAt);
      }
      if (updatedBy != null) {
        dataBuff.setUpdatedByUserId(updatedBy);
      }
      if (updatedAt != null) {
        dataBuff.setUpdatedAt(updatedAt);
      }
      dataBuff.setOptionalDbName(natDbName);
      obj.copyBuffToPKey();
      ICFBamAtomObj realized = (ICFBamAtomObj) obj.realize();
      xmsgRspnHandler.setLastObjectProcessed(realized);
    } catch (RuntimeException e) {
      throw new RuntimeException(
          "Near "
              + getParser().getLocationInfo()
              + ": Caught and rethrew "
              + e.getClass().getName()
              + " - "
              + e.getMessage(),
          e);
    } catch (Error e) {
      throw new Error(
          "Near "
              + getParser().getLocationInfo()
              + ": Caught and rethrew "
              + e.getClass().getName()
              + " - "
              + e.getMessage(),
          e);
    }
  }
  /**
   * The core evaluation of ColumnInOwnerRelation is also to determine if an index definition is in
   * an owner relation.
   *
   * <p>WORKING: Yes, I know. This should be a business method instead of copying the code in
   * ICFBamIndexObj and MSIsaGenBindColumnInOwnerRelation.
   *
   * @param genDef to be considered
   * @return True if the column participates in an owner relation.
   */
  public Boolean isColumnInOwnerRelation() {

    ICFLibAnyObj focusDef;
    ICFBamTableObj tableDef;
    final String S_ProcName = "isColumnInOwnerRelation() ";

    if (this instanceof ICFBamAtomObj) {
      ICFBamAtomObj atomDef = (ICFBamAtomObj) this;
      ICFLibAnyObj atomScopeDef = atomDef.getObjScope();
      tableDef = (ICFBamTableObj) atomScopeDef;
      focusDef = this;
    } else if (this instanceof ICFBamTableColObj) {
      ICFBamTableColObj tableColDef = (ICFBamTableColObj) this;
      ICFLibAnyObj tableColScopeDef = tableColDef.getObjScope();
      tableDef = (ICFBamTableObj) tableColScopeDef;
      focusDef = this;
    } else if (this instanceof ICFBamIndexColObj) {
      ICFBamIndexColObj indexColDef = (ICFBamIndexColObj) this;
      focusDef = indexColDef.getRequiredLookupColumn();
      if (focusDef instanceof ICFBamAtomObj) {
        tableDef = (ICFBamTableObj) ((ICFBamAtomObj) focusDef).getObjScope();
      } else if (focusDef instanceof ICFBamTableColObj) {
        tableDef = (ICFBamTableObj) ((ICFBamTableColObj) focusDef).getObjScope();
      } else {
        throw new RuntimeException(
            S_ProcName
                + "genContext.getGenDef().getColumnDef() for a ICFBamIndexColObj did not return a ICFBamAtomObj"
                + " nor a ICFBamTableColObj");
      }
    } else if (this instanceof ICFBamRelationColObj) {
      ICFBamRelationColObj relColDef = (ICFBamRelationColObj) this;
      ICFLibAnyObj columnDef = relColDef.getRequiredLookupFromCol();
      if (columnDef instanceof ICFBamAtomObj) {
        focusDef = columnDef;
        tableDef = (ICFBamTableObj) columnDef.getObjScope();
      } else if (columnDef instanceof ICFBamTableColObj) {
        focusDef = columnDef;
        tableDef = (ICFBamTableObj) columnDef.getObjScope();
      } else {
        throw new RuntimeException(
            S_ProcName
                + "genContext.getGenDef().getFromColumnDef() for a ICFBamIndexColObj did not return a ICFBamAtomObj"
                + " nor a ICFBamTableColObj");
      }
    } else {
      throw new RuntimeException(
          S_ProcName
              + "genContext.getGenDef() did not return a ICFBamAtomObj, ICFBamTableColObj, nor ICFBamIndexColObj instance");
    }

    List<ICFBamRelationObj> ownerRelations = tableDef.getContainerOwnerRelations();
    if ((ownerRelations == null) || ((ownerRelations != null) && (ownerRelations.size() == 0))) {
      return (false);
    }

    ListIterator<ICFBamRelationObj> ownerEnumerator = ownerRelations.listIterator();

    ICFBamRelationObj ownerRelation;
    ICFBamRelationColObj ownerRelationCol;
    Iterator<ICFBamRelationColObj> ownerRelationCols;

    while (ownerEnumerator.hasNext()) {

      ownerRelation = ownerEnumerator.next();
      ownerRelationCols = ownerRelation.getOptionalComponentsColumns().iterator();

      while (ownerRelationCols.hasNext()) {
        ownerRelationCol = ownerRelationCols.next();
        if (ownerRelationCol.getRequiredLookupFromCol() == focusDef) {
          return (true);
        }
      }
    }

    return (false);
  }