net.sourceforge.msscodefactory.v1_11.MSSBamRam.MSSBamRamRelationTable.java Source code

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// Description: Java6 in-memory RAM DbIO implementation for Relation.

/*
 *   MSS Code Factory 1.11
 *
 *   Copyright (c) 2012-2014 Mark Sobkow
 *   
 *   This program is available as free software under the GNU GPL v3, or
 *   under a commercial license from Mark Sobkow.  For commercial licensing
 *   details, please contact msobkow@sasktel.net.
 *   
 *   Under the terms of the GPL:
 *   
 *      This program is free software: you can redistribute it and/or modify
 *      it under the terms of the GNU General Public License as published by
 *      the Free Software Foundation, either version 3 of the License, or
 *      (at your option) any later version.
 *     
 *      This program is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU General Public License for more details.
 *     
 *      You should have received a copy of the GNU General Public License
 *      along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *   
 * ***********************************************************************
 *
 *   $Revision$
 */

package net.sourceforge.msscodefactory.v1_11.MSSBamRam;

import java.sql.*;
import java.util.*;
import net.sourceforge.msscodefactory.cflib.v1_11.CFLib.*;
import org.apache.commons.codec.binary.Base64;
import net.sourceforge.msscodefactory.v1_11.MSSBam.*;
import net.sourceforge.msscodefactory.v1_11.MSSBamBL.*;
import net.sourceforge.msscodefactory.v1_11.MSSBamBLRam.*;

/*
 *   MSSBamRamRelationTable in-memory RAM DbIO implementation
 *   for Relation.
 */
public class MSSBamRamRelationTable implements IMSSBamRelationTable {
    private MSSBamBLRamSchema schema;
    private Map<MSSBamAnyObjPKey, MSSBamRelationBuff> dictByPKey = new HashMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
    private SortedMap<MSSBamRelationByRTypeKeyIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>> dictByRTypeKeyIdx = new TreeMap<MSSBamRelationByRTypeKeyIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>>();
    private SortedMap<MSSBamRelationByFromTblIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>> dictByFromTblIdx = new TreeMap<MSSBamRelationByFromTblIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>>();
    private SortedMap<MSSBamRelationByFromKeyIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>> dictByFromKeyIdx = new TreeMap<MSSBamRelationByFromKeyIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>>();
    private SortedMap<MSSBamRelationByToTblIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>> dictByToTblIdx = new TreeMap<MSSBamRelationByToTblIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>>();
    private SortedMap<MSSBamRelationByToKeyIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>> dictByToKeyIdx = new TreeMap<MSSBamRelationByToKeyIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>>();
    private SortedMap<MSSBamRelationByNarrowedIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>> dictByNarrowedIdx = new TreeMap<MSSBamRelationByNarrowedIdxKey, SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff>>();

    public MSSBamRamRelationTable(MSSBamBLRamSchema argSchema) {
        schema = argSchema;
    }

    public void createRelation(MSSBamAuthorization Authorization, MSSBamRelationBuff Buff) {
        MSSBamAnyObjPKey pkey = schema.getFactoryAnyObj().newPKey();

        pkey.setClassCode(Buff.getClassCode());

        pkey.setRequiredId(Buff.getRequiredId());

        MSSBamRelationByRTypeKeyIdxKey keyRTypeKeyIdx = schema.getFactoryRelation().newRTypeKeyIdxKey();
        keyRTypeKeyIdx.setRequiredRelationTypeId(Buff.getRequiredRelationTypeId());

        MSSBamRelationByFromTblIdxKey keyFromTblIdx = schema.getFactoryRelation().newFromTblIdxKey();
        keyFromTblIdx.setRequiredFromTableId(Buff.getRequiredFromTableId());

        MSSBamRelationByFromKeyIdxKey keyFromKeyIdx = schema.getFactoryRelation().newFromKeyIdxKey();
        keyFromKeyIdx.setRequiredFromIndexId(Buff.getRequiredFromIndexId());

        MSSBamRelationByToTblIdxKey keyToTblIdx = schema.getFactoryRelation().newToTblIdxKey();
        keyToTblIdx.setRequiredToTableId(Buff.getRequiredToTableId());

        MSSBamRelationByToKeyIdxKey keyToKeyIdx = schema.getFactoryRelation().newToKeyIdxKey();
        keyToKeyIdx.setRequiredToIndexId(Buff.getRequiredToIndexId());

        MSSBamRelationByNarrowedIdxKey keyNarrowedIdx = schema.getFactoryRelation().newNarrowedIdxKey();
        keyNarrowedIdx.setOptionalNarrowedId(Buff.getOptionalNarrowedId());

        // Validate unique indexes

        if (dictByPKey.containsKey(pkey)) {
            throw CFLib.getDefaultExceptionFactory().newPrimaryKeyNotNewException(getClass(), "createRelation",
                    pkey);
        }

        // Validate foreign keys

        {
            boolean allNull = true;
            allNull = false;
            if (!allNull) {
                if (null == schema.getTableScope().readDerivedByIdIdx(Authorization, Buff.getRequiredId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "createRelation", "Superclass", "SuperClass", "Scope", null);
                }
            }
        }

        {
            boolean allNull = true;
            allNull = false;
            if (!allNull) {
                if (null == schema.getTableRelationType().readDerivedByIdIdx(Authorization,
                        Buff.getRequiredRelationTypeId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "createRelation", "Lookup", "RelationType", "RelationType", null);
                }
            }
        }

        {
            boolean allNull = true;
            allNull = false;
            if (!allNull) {
                if (null == schema.getTableTable().readDerivedByIdIdx(Authorization,
                        Buff.getRequiredFromTableId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "createRelation", "Container", "FromTable", "Table", null);
                }
            }
        }

        {
            boolean allNull = true;
            allNull = false;
            if (!allNull) {
                if (null == schema.getTableIndex().readDerivedByIdIdx(Authorization,
                        Buff.getRequiredFromIndexId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "createRelation", "Lookup", "FromIndex", "Index", null);
                }
            }
        }

        {
            boolean allNull = true;
            allNull = false;
            if (!allNull) {
                if (null == schema.getTableTable().readDerivedByIdIdx(Authorization, Buff.getRequiredToTableId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "createRelation", "Lookup", "ToTable", "Table", null);
                }
            }
        }

        {
            boolean allNull = true;
            allNull = false;
            if (!allNull) {
                if (null == schema.getTableIndex().readDerivedByIdIdx(Authorization, Buff.getRequiredToIndexId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "createRelation", "Lookup", "ToIndex", "Index", null);
                }
            }
        }

        // Proceed with adding the new record

        dictByPKey.put(pkey, Buff);

        SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictRTypeKeyIdx;
        if (dictByRTypeKeyIdx.containsKey(keyRTypeKeyIdx)) {
            subdictRTypeKeyIdx = dictByRTypeKeyIdx.get(keyRTypeKeyIdx);
        } else {
            subdictRTypeKeyIdx = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByRTypeKeyIdx.put(keyRTypeKeyIdx, subdictRTypeKeyIdx);
        }
        subdictRTypeKeyIdx.put(pkey, Buff);

        SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictFromTblIdx;
        if (dictByFromTblIdx.containsKey(keyFromTblIdx)) {
            subdictFromTblIdx = dictByFromTblIdx.get(keyFromTblIdx);
        } else {
            subdictFromTblIdx = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByFromTblIdx.put(keyFromTblIdx, subdictFromTblIdx);
        }
        subdictFromTblIdx.put(pkey, Buff);

        SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictFromKeyIdx;
        if (dictByFromKeyIdx.containsKey(keyFromKeyIdx)) {
            subdictFromKeyIdx = dictByFromKeyIdx.get(keyFromKeyIdx);
        } else {
            subdictFromKeyIdx = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByFromKeyIdx.put(keyFromKeyIdx, subdictFromKeyIdx);
        }
        subdictFromKeyIdx.put(pkey, Buff);

        SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictToTblIdx;
        if (dictByToTblIdx.containsKey(keyToTblIdx)) {
            subdictToTblIdx = dictByToTblIdx.get(keyToTblIdx);
        } else {
            subdictToTblIdx = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByToTblIdx.put(keyToTblIdx, subdictToTblIdx);
        }
        subdictToTblIdx.put(pkey, Buff);

        SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictToKeyIdx;
        if (dictByToKeyIdx.containsKey(keyToKeyIdx)) {
            subdictToKeyIdx = dictByToKeyIdx.get(keyToKeyIdx);
        } else {
            subdictToKeyIdx = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByToKeyIdx.put(keyToKeyIdx, subdictToKeyIdx);
        }
        subdictToKeyIdx.put(pkey, Buff);

        SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictNarrowedIdx;
        if (dictByNarrowedIdx.containsKey(keyNarrowedIdx)) {
            subdictNarrowedIdx = dictByNarrowedIdx.get(keyNarrowedIdx);
        } else {
            subdictNarrowedIdx = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByNarrowedIdx.put(keyNarrowedIdx, subdictNarrowedIdx);
        }
        subdictNarrowedIdx.put(pkey, Buff);

    }

    public MSSBamRelationBuff readDerived(MSSBamAuthorization Authorization, MSSBamAnyObjPKey PKey) {
        final String S_ProcName = "MSSBamRamRelation.readDerived() ";
        MSSBamAnyObjPKey key = schema.getFactoryAnyObj().newPKey();
        key.setRequiredId(PKey.getRequiredId());
        MSSBamRelationBuff buff;
        if (dictByPKey.containsKey(key)) {
            buff = dictByPKey.get(key);
        } else {
            buff = null;
        }
        return (buff);
    }

    public MSSBamRelationBuff lockDerived(MSSBamAuthorization Authorization, MSSBamAnyObjPKey PKey) {
        final String S_ProcName = "MSSBamRamRelation.readDerived() ";
        MSSBamAnyObjPKey key = schema.getFactoryAnyObj().newPKey();
        key.setRequiredId(PKey.getRequiredId());
        MSSBamRelationBuff buff;
        if (dictByPKey.containsKey(key)) {
            buff = dictByPKey.get(key);
        } else {
            buff = null;
        }
        return (buff);
    }

    public MSSBamRelationBuff[] readAllDerived(MSSBamAuthorization Authorization) {
        final String S_ProcName = "MSSBamRamRelation.readAllDerived() ";
        MSSBamRelationBuff[] retList = new MSSBamRelationBuff[dictByPKey.values().size()];
        Iterator<MSSBamRelationBuff> iter = dictByPKey.values().iterator();
        int idx = 0;
        while (iter.hasNext()) {
            retList[idx++] = iter.next();
        }
        return (retList);
    }

    public MSSBamRelationBuff[] readDerivedByTenantIdx(MSSBamAuthorization Authorization, long TenantId) {
        final String S_ProcName = "MSSBamRamAnyObj.readDerivedByTenantIdx() ";
        MSSBamAnyObjBuff buffList[] = schema.getTableAnyObj().readDerivedByTenantIdx(Authorization, TenantId);
        if (buffList == null) {
            return (null);
        } else {
            MSSBamAnyObjBuff buff;
            ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
            for (int idx = 0; idx < buffList.length; idx++) {
                buff = buffList[idx];
                if ((buff != null) && (buff instanceof MSSBamRelationBuff)) {
                    filteredList.add((MSSBamRelationBuff) buff);
                }
            }
            return (filteredList.toArray(new MSSBamRelationBuff[0]));
        }
    }

    public MSSBamRelationBuff[] readDerivedByScopeIdx(MSSBamAuthorization Authorization, Long ScopeId) {
        final String S_ProcName = "MSSBamRamAnyObj.readDerivedByScopeIdx() ";
        MSSBamAnyObjBuff buffList[] = schema.getTableAnyObj().readDerivedByScopeIdx(Authorization, ScopeId);
        if (buffList == null) {
            return (null);
        } else {
            MSSBamAnyObjBuff buff;
            ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
            for (int idx = 0; idx < buffList.length; idx++) {
                buff = buffList[idx];
                if ((buff != null) && (buff instanceof MSSBamRelationBuff)) {
                    filteredList.add((MSSBamRelationBuff) buff);
                }
            }
            return (filteredList.toArray(new MSSBamRelationBuff[0]));
        }
    }

    public MSSBamRelationBuff[] readDerivedByDefSchemaIdx(MSSBamAuthorization Authorization, Long DefSchemaId) {
        final String S_ProcName = "MSSBamRamAnyObj.readDerivedByDefSchemaIdx() ";
        MSSBamAnyObjBuff buffList[] = schema.getTableAnyObj().readDerivedByDefSchemaIdx(Authorization, DefSchemaId);
        if (buffList == null) {
            return (null);
        } else {
            MSSBamAnyObjBuff buff;
            ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
            for (int idx = 0; idx < buffList.length; idx++) {
                buff = buffList[idx];
                if ((buff != null) && (buff instanceof MSSBamRelationBuff)) {
                    filteredList.add((MSSBamRelationBuff) buff);
                }
            }
            return (filteredList.toArray(new MSSBamRelationBuff[0]));
        }
    }

    public MSSBamRelationBuff[] readDerivedByAuthorIdx(MSSBamAuthorization Authorization, Long AuthorId) {
        final String S_ProcName = "MSSBamRamAnyObj.readDerivedByAuthorIdx() ";
        MSSBamAnyObjBuff buffList[] = schema.getTableAnyObj().readDerivedByAuthorIdx(Authorization, AuthorId);
        if (buffList == null) {
            return (null);
        } else {
            MSSBamAnyObjBuff buff;
            ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
            for (int idx = 0; idx < buffList.length; idx++) {
                buff = buffList[idx];
                if ((buff != null) && (buff instanceof MSSBamRelationBuff)) {
                    filteredList.add((MSSBamRelationBuff) buff);
                }
            }
            return (filteredList.toArray(new MSSBamRelationBuff[0]));
        }
    }

    public MSSBamRelationBuff readDerivedByUNameIdx(MSSBamAuthorization Authorization, Long ScopeId, String Name) {
        final String S_ProcName = "MSSBamRamAnyObj.readDerivedByUNameIdx() ";
        MSSBamAnyObjBuff buff = schema.getTableAnyObj().readDerivedByUNameIdx(Authorization, ScopeId, Name);
        if (buff == null) {
            return (null);
        } else if (buff instanceof MSSBamRelationBuff) {
            return ((MSSBamRelationBuff) buff);
        } else {
            return (null);
        }
    }

    public MSSBamRelationBuff[] readDerivedByRTypeKeyIdx(MSSBamAuthorization Authorization, short RelationTypeId) {
        final String S_ProcName = "MSSBamRamRelation.readDerivedByRTypeKeyIdx() ";
        MSSBamRelationByRTypeKeyIdxKey key = schema.getFactoryRelation().newRTypeKeyIdxKey();
        key.setRequiredRelationTypeId(RelationTypeId);

        MSSBamRelationBuff[] recArray;
        if (dictByRTypeKeyIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictRTypeKeyIdx = dictByRTypeKeyIdx.get(key);
            recArray = new MSSBamRelationBuff[subdictRTypeKeyIdx.size()];
            Iterator<MSSBamRelationBuff> iter = subdictRTypeKeyIdx.values().iterator();
            int idx = 0;
            while (iter.hasNext()) {
                recArray[idx++] = iter.next();
            }
        } else {
            recArray = new MSSBamRelationBuff[0];
        }
        return (recArray);
    }

    public MSSBamRelationBuff[] readDerivedByFromTblIdx(MSSBamAuthorization Authorization, long FromTableId) {
        final String S_ProcName = "MSSBamRamRelation.readDerivedByFromTblIdx() ";
        MSSBamRelationByFromTblIdxKey key = schema.getFactoryRelation().newFromTblIdxKey();
        key.setRequiredFromTableId(FromTableId);

        MSSBamRelationBuff[] recArray;
        if (dictByFromTblIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictFromTblIdx = dictByFromTblIdx.get(key);
            recArray = new MSSBamRelationBuff[subdictFromTblIdx.size()];
            Iterator<MSSBamRelationBuff> iter = subdictFromTblIdx.values().iterator();
            int idx = 0;
            while (iter.hasNext()) {
                recArray[idx++] = iter.next();
            }
        } else {
            recArray = new MSSBamRelationBuff[0];
        }
        return (recArray);
    }

    public MSSBamRelationBuff[] readDerivedByFromKeyIdx(MSSBamAuthorization Authorization, long FromIndexId) {
        final String S_ProcName = "MSSBamRamRelation.readDerivedByFromKeyIdx() ";
        MSSBamRelationByFromKeyIdxKey key = schema.getFactoryRelation().newFromKeyIdxKey();
        key.setRequiredFromIndexId(FromIndexId);

        MSSBamRelationBuff[] recArray;
        if (dictByFromKeyIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictFromKeyIdx = dictByFromKeyIdx.get(key);
            recArray = new MSSBamRelationBuff[subdictFromKeyIdx.size()];
            Iterator<MSSBamRelationBuff> iter = subdictFromKeyIdx.values().iterator();
            int idx = 0;
            while (iter.hasNext()) {
                recArray[idx++] = iter.next();
            }
        } else {
            recArray = new MSSBamRelationBuff[0];
        }
        return (recArray);
    }

    public MSSBamRelationBuff[] readDerivedByToTblIdx(MSSBamAuthorization Authorization, long ToTableId) {
        final String S_ProcName = "MSSBamRamRelation.readDerivedByToTblIdx() ";
        MSSBamRelationByToTblIdxKey key = schema.getFactoryRelation().newToTblIdxKey();
        key.setRequiredToTableId(ToTableId);

        MSSBamRelationBuff[] recArray;
        if (dictByToTblIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictToTblIdx = dictByToTblIdx.get(key);
            recArray = new MSSBamRelationBuff[subdictToTblIdx.size()];
            Iterator<MSSBamRelationBuff> iter = subdictToTblIdx.values().iterator();
            int idx = 0;
            while (iter.hasNext()) {
                recArray[idx++] = iter.next();
            }
        } else {
            recArray = new MSSBamRelationBuff[0];
        }
        return (recArray);
    }

    public MSSBamRelationBuff[] readDerivedByToKeyIdx(MSSBamAuthorization Authorization, long ToIndexId) {
        final String S_ProcName = "MSSBamRamRelation.readDerivedByToKeyIdx() ";
        MSSBamRelationByToKeyIdxKey key = schema.getFactoryRelation().newToKeyIdxKey();
        key.setRequiredToIndexId(ToIndexId);

        MSSBamRelationBuff[] recArray;
        if (dictByToKeyIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictToKeyIdx = dictByToKeyIdx.get(key);
            recArray = new MSSBamRelationBuff[subdictToKeyIdx.size()];
            Iterator<MSSBamRelationBuff> iter = subdictToKeyIdx.values().iterator();
            int idx = 0;
            while (iter.hasNext()) {
                recArray[idx++] = iter.next();
            }
        } else {
            recArray = new MSSBamRelationBuff[0];
        }
        return (recArray);
    }

    public MSSBamRelationBuff[] readDerivedByNarrowedIdx(MSSBamAuthorization Authorization, Long NarrowedId) {
        final String S_ProcName = "MSSBamRamRelation.readDerivedByNarrowedIdx() ";
        MSSBamRelationByNarrowedIdxKey key = schema.getFactoryRelation().newNarrowedIdxKey();
        key.setOptionalNarrowedId(NarrowedId);

        MSSBamRelationBuff[] recArray;
        if (dictByNarrowedIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictNarrowedIdx = dictByNarrowedIdx.get(key);
            recArray = new MSSBamRelationBuff[subdictNarrowedIdx.size()];
            Iterator<MSSBamRelationBuff> iter = subdictNarrowedIdx.values().iterator();
            int idx = 0;
            while (iter.hasNext()) {
                recArray[idx++] = iter.next();
            }
        } else {
            recArray = new MSSBamRelationBuff[0];
        }
        return (recArray);
    }

    public MSSBamRelationBuff readDerivedByIdIdx(MSSBamAuthorization Authorization, long Id) {
        final String S_ProcName = "MSSBamRamAnyObj.readDerivedByIdIdx() ";
        MSSBamAnyObjPKey key = schema.getFactoryAnyObj().newPKey();
        key.setRequiredId(Id);

        MSSBamRelationBuff buff;
        if (dictByPKey.containsKey(key)) {
            buff = dictByPKey.get(key);
        } else {
            buff = null;
        }
        return (buff);
    }

    public MSSBamRelationBuff readBuff(MSSBamAuthorization Authorization, MSSBamAnyObjPKey PKey) {
        final String S_ProcName = "MSSBamRamRelation.readBuff() ";
        MSSBamRelationBuff buff = readDerived(Authorization, PKey);
        if ((buff != null) && (!buff.getClassCode().equals("REL"))) {
            buff = null;
        }
        return (buff);
    }

    public MSSBamRelationBuff lockBuff(MSSBamAuthorization Authorization, MSSBamAnyObjPKey PKey) {
        final String S_ProcName = "MSSBamRamRelation.readBuff() ";
        MSSBamRelationBuff buff = readDerived(Authorization, PKey);
        if ((buff != null) && (!buff.getClassCode().equals("REL"))) {
            buff = null;
        }
        return (buff);
    }

    public MSSBamRelationBuff[] readAllBuff(MSSBamAuthorization Authorization) {
        final String S_ProcName = "MSSBamRamRelation.readAllBuff() ";
        MSSBamRelationBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamRelationBuff[] buffList = readAllDerived(Authorization);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("REL")) {
                filteredList.add(buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff readBuffByIdIdx(MSSBamAuthorization Authorization, long Id) {
        final String S_ProcName = "MSSBamRamAnyObj.readBuffByIdIdx() ";
        MSSBamAnyObjBuff buff = readDerivedByIdIdx(Authorization, Id);
        if ((buff != null) && buff.getClassCode().equals("ANYO")) {
            return ((MSSBamRelationBuff) buff);
        } else {
            return (null);
        }
    }

    public MSSBamRelationBuff[] readBuffByTenantIdx(MSSBamAuthorization Authorization, long TenantId) {
        final String S_ProcName = "MSSBamRamAnyObj.readBuffByTenantIdx() ";
        MSSBamAnyObjBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamAnyObjBuff[] buffList = readDerivedByTenantIdx(Authorization, TenantId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("ANYO")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff[] readBuffByScopeIdx(MSSBamAuthorization Authorization, Long ScopeId) {
        final String S_ProcName = "MSSBamRamAnyObj.readBuffByScopeIdx() ";
        MSSBamAnyObjBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamAnyObjBuff[] buffList = readDerivedByScopeIdx(Authorization, ScopeId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("ANYO")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff[] readBuffByDefSchemaIdx(MSSBamAuthorization Authorization, Long DefSchemaId) {
        final String S_ProcName = "MSSBamRamAnyObj.readBuffByDefSchemaIdx() ";
        MSSBamAnyObjBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamAnyObjBuff[] buffList = readDerivedByDefSchemaIdx(Authorization, DefSchemaId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("ANYO")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff[] readBuffByAuthorIdx(MSSBamAuthorization Authorization, Long AuthorId) {
        final String S_ProcName = "MSSBamRamAnyObj.readBuffByAuthorIdx() ";
        MSSBamAnyObjBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamAnyObjBuff[] buffList = readDerivedByAuthorIdx(Authorization, AuthorId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("ANYO")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff readBuffByUNameIdx(MSSBamAuthorization Authorization, Long ScopeId, String Name) {
        final String S_ProcName = "MSSBamRamAnyObj.readBuffByUNameIdx() ";
        MSSBamAnyObjBuff buff = readDerivedByUNameIdx(Authorization, ScopeId, Name);
        if ((buff != null) && buff.getClassCode().equals("ANYO")) {
            return ((MSSBamRelationBuff) buff);
        } else {
            return (null);
        }
    }

    public MSSBamRelationBuff[] readBuffByRTypeKeyIdx(MSSBamAuthorization Authorization, short RelationTypeId) {
        final String S_ProcName = "MSSBamRamRelation.readBuffByRTypeKeyIdx() ";
        MSSBamRelationBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamRelationBuff[] buffList = readDerivedByRTypeKeyIdx(Authorization, RelationTypeId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("REL")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff[] readBuffByFromTblIdx(MSSBamAuthorization Authorization, long FromTableId) {
        final String S_ProcName = "MSSBamRamRelation.readBuffByFromTblIdx() ";
        MSSBamRelationBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamRelationBuff[] buffList = readDerivedByFromTblIdx(Authorization, FromTableId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("REL")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff[] readBuffByFromKeyIdx(MSSBamAuthorization Authorization, long FromIndexId) {
        final String S_ProcName = "MSSBamRamRelation.readBuffByFromKeyIdx() ";
        MSSBamRelationBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamRelationBuff[] buffList = readDerivedByFromKeyIdx(Authorization, FromIndexId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("REL")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff[] readBuffByToTblIdx(MSSBamAuthorization Authorization, long ToTableId) {
        final String S_ProcName = "MSSBamRamRelation.readBuffByToTblIdx() ";
        MSSBamRelationBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamRelationBuff[] buffList = readDerivedByToTblIdx(Authorization, ToTableId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("REL")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff[] readBuffByToKeyIdx(MSSBamAuthorization Authorization, long ToIndexId) {
        final String S_ProcName = "MSSBamRamRelation.readBuffByToKeyIdx() ";
        MSSBamRelationBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamRelationBuff[] buffList = readDerivedByToKeyIdx(Authorization, ToIndexId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("REL")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public MSSBamRelationBuff[] readBuffByNarrowedIdx(MSSBamAuthorization Authorization, Long NarrowedId) {
        final String S_ProcName = "MSSBamRamRelation.readBuffByNarrowedIdx() ";
        MSSBamRelationBuff buff;
        ArrayList<MSSBamRelationBuff> filteredList = new ArrayList<MSSBamRelationBuff>();
        MSSBamRelationBuff[] buffList = readDerivedByNarrowedIdx(Authorization, NarrowedId);
        for (int idx = 0; idx < buffList.length; idx++) {
            buff = buffList[idx];
            if ((buff != null) && buff.getClassCode().equals("REL")) {
                filteredList.add((MSSBamRelationBuff) buff);
            }
        }
        return (filteredList.toArray(new MSSBamRelationBuff[0]));
    }

    public void updateRelation(MSSBamAuthorization Authorization, MSSBamRelationBuff Buff) {
        MSSBamAnyObjPKey pkey = schema.getFactoryAnyObj().newPKey();
        pkey.setRequiredId(Buff.getRequiredId());
        MSSBamRelationBuff existing = dictByPKey.get(pkey);
        if (existing == null) {
            throw CFLib.getDefaultExceptionFactory().newStaleCacheDetectedException(getClass(), "updateRelation",
                    "Existing record not found", "Relation", pkey);
        }
        MSSBamRelationByRTypeKeyIdxKey existingKeyRTypeKeyIdx = schema.getFactoryRelation().newRTypeKeyIdxKey();
        existingKeyRTypeKeyIdx.setRequiredRelationTypeId(existing.getRequiredRelationTypeId());

        MSSBamRelationByRTypeKeyIdxKey newKeyRTypeKeyIdx = schema.getFactoryRelation().newRTypeKeyIdxKey();
        newKeyRTypeKeyIdx.setRequiredRelationTypeId(Buff.getRequiredRelationTypeId());

        MSSBamRelationByFromTblIdxKey existingKeyFromTblIdx = schema.getFactoryRelation().newFromTblIdxKey();
        existingKeyFromTblIdx.setRequiredFromTableId(existing.getRequiredFromTableId());

        MSSBamRelationByFromTblIdxKey newKeyFromTblIdx = schema.getFactoryRelation().newFromTblIdxKey();
        newKeyFromTblIdx.setRequiredFromTableId(Buff.getRequiredFromTableId());

        MSSBamRelationByFromKeyIdxKey existingKeyFromKeyIdx = schema.getFactoryRelation().newFromKeyIdxKey();
        existingKeyFromKeyIdx.setRequiredFromIndexId(existing.getRequiredFromIndexId());

        MSSBamRelationByFromKeyIdxKey newKeyFromKeyIdx = schema.getFactoryRelation().newFromKeyIdxKey();
        newKeyFromKeyIdx.setRequiredFromIndexId(Buff.getRequiredFromIndexId());

        MSSBamRelationByToTblIdxKey existingKeyToTblIdx = schema.getFactoryRelation().newToTblIdxKey();
        existingKeyToTblIdx.setRequiredToTableId(existing.getRequiredToTableId());

        MSSBamRelationByToTblIdxKey newKeyToTblIdx = schema.getFactoryRelation().newToTblIdxKey();
        newKeyToTblIdx.setRequiredToTableId(Buff.getRequiredToTableId());

        MSSBamRelationByToKeyIdxKey existingKeyToKeyIdx = schema.getFactoryRelation().newToKeyIdxKey();
        existingKeyToKeyIdx.setRequiredToIndexId(existing.getRequiredToIndexId());

        MSSBamRelationByToKeyIdxKey newKeyToKeyIdx = schema.getFactoryRelation().newToKeyIdxKey();
        newKeyToKeyIdx.setRequiredToIndexId(Buff.getRequiredToIndexId());

        MSSBamRelationByNarrowedIdxKey existingKeyNarrowedIdx = schema.getFactoryRelation().newNarrowedIdxKey();
        existingKeyNarrowedIdx.setOptionalNarrowedId(existing.getOptionalNarrowedId());

        MSSBamRelationByNarrowedIdxKey newKeyNarrowedIdx = schema.getFactoryRelation().newNarrowedIdxKey();
        newKeyNarrowedIdx.setOptionalNarrowedId(Buff.getOptionalNarrowedId());

        // Check unique indexes

        // Validate foreign keys

        {
            boolean allNull = true;

            if (allNull) {
                if (null == schema.getTableScope().readDerivedByIdIdx(Authorization, Buff.getRequiredId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "updateRelation", "Superclass", "SuperClass", "Scope", null);
                }
            }
        }

        {
            boolean allNull = true;

            if (allNull) {
                if (null == schema.getTableRelationType().readDerivedByIdIdx(Authorization,
                        Buff.getRequiredRelationTypeId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "updateRelation", "Lookup", "RelationType", "RelationType", null);
                }
            }
        }

        {
            boolean allNull = true;

            if (allNull) {
                if (null == schema.getTableTable().readDerivedByIdIdx(Authorization,
                        Buff.getRequiredFromTableId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "updateRelation", "Container", "FromTable", "Table", null);
                }
            }
        }

        {
            boolean allNull = true;

            if (allNull) {
                if (null == schema.getTableIndex().readDerivedByIdIdx(Authorization,
                        Buff.getRequiredFromIndexId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "updateRelation", "Lookup", "FromIndex", "Index", null);
                }
            }
        }

        {
            boolean allNull = true;

            if (allNull) {
                if (null == schema.getTableTable().readDerivedByIdIdx(Authorization, Buff.getRequiredToTableId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "updateRelation", "Lookup", "ToTable", "Table", null);
                }
            }
        }

        {
            boolean allNull = true;

            if (allNull) {
                if (null == schema.getTableIndex().readDerivedByIdIdx(Authorization, Buff.getRequiredToIndexId())) {
                    throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(),
                            "updateRelation", "Lookup", "ToIndex", "Index", null);
                }
            }
        }

        // Update is valid

        SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdict;

        dictByPKey.remove(pkey);
        dictByPKey.put(pkey, Buff);

        subdict = dictByRTypeKeyIdx.get(existingKeyRTypeKeyIdx);
        if (subdict != null) {
            subdict.remove(pkey);
        }
        if (dictByRTypeKeyIdx.containsKey(newKeyRTypeKeyIdx)) {
            subdict = dictByRTypeKeyIdx.get(newKeyRTypeKeyIdx);
        } else {
            subdict = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByRTypeKeyIdx.put(newKeyRTypeKeyIdx, subdict);
        }
        subdict.put(pkey, Buff);

        subdict = dictByFromTblIdx.get(existingKeyFromTblIdx);
        if (subdict != null) {
            subdict.remove(pkey);
        }
        if (dictByFromTblIdx.containsKey(newKeyFromTblIdx)) {
            subdict = dictByFromTblIdx.get(newKeyFromTblIdx);
        } else {
            subdict = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByFromTblIdx.put(newKeyFromTblIdx, subdict);
        }
        subdict.put(pkey, Buff);

        subdict = dictByFromKeyIdx.get(existingKeyFromKeyIdx);
        if (subdict != null) {
            subdict.remove(pkey);
        }
        if (dictByFromKeyIdx.containsKey(newKeyFromKeyIdx)) {
            subdict = dictByFromKeyIdx.get(newKeyFromKeyIdx);
        } else {
            subdict = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByFromKeyIdx.put(newKeyFromKeyIdx, subdict);
        }
        subdict.put(pkey, Buff);

        subdict = dictByToTblIdx.get(existingKeyToTblIdx);
        if (subdict != null) {
            subdict.remove(pkey);
        }
        if (dictByToTblIdx.containsKey(newKeyToTblIdx)) {
            subdict = dictByToTblIdx.get(newKeyToTblIdx);
        } else {
            subdict = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByToTblIdx.put(newKeyToTblIdx, subdict);
        }
        subdict.put(pkey, Buff);

        subdict = dictByToKeyIdx.get(existingKeyToKeyIdx);
        if (subdict != null) {
            subdict.remove(pkey);
        }
        if (dictByToKeyIdx.containsKey(newKeyToKeyIdx)) {
            subdict = dictByToKeyIdx.get(newKeyToKeyIdx);
        } else {
            subdict = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByToKeyIdx.put(newKeyToKeyIdx, subdict);
        }
        subdict.put(pkey, Buff);

        subdict = dictByNarrowedIdx.get(existingKeyNarrowedIdx);
        if (subdict != null) {
            subdict.remove(pkey);
        }
        if (dictByNarrowedIdx.containsKey(newKeyNarrowedIdx)) {
            subdict = dictByNarrowedIdx.get(newKeyNarrowedIdx);
        } else {
            subdict = new TreeMap<MSSBamAnyObjPKey, MSSBamRelationBuff>();
            dictByNarrowedIdx.put(newKeyNarrowedIdx, subdict);
        }
        subdict.put(pkey, Buff);

    }

    public void deleteRelation(MSSBamAuthorization Authorization, MSSBamRelationBuff Buff) {
        final String S_ProcName = "MSSBamRamRelationTable.deleteRelation() ";
        MSSBamAnyObjPKey pkey = schema.getFactoryAnyObj().newPKey();

        pkey.setRequiredId(schema.nextAnyObjIdGen());
        MSSBamRelationBuff existing = dictByPKey.get(pkey);
        if (existing == null) {
            throw CFLib.getDefaultExceptionFactory().newStaleCacheDetectedException(getClass(), "deleteRelation",
                    "Existing record not found", "Relation", pkey);
        }
        if (existing.getRequiredRevision() != Buff.getRequiredRevision()) {
            throw CFLib.getDefaultExceptionFactory().newCollisionDetectedException(getClass(), "deleteRelation",
                    pkey);
        }
        MSSBamRelationByRTypeKeyIdxKey keyRTypeKeyIdx = schema.getFactoryRelation().newRTypeKeyIdxKey();
        keyRTypeKeyIdx.setRequiredRelationTypeId(existing.getRequiredRelationTypeId());

        MSSBamRelationByFromTblIdxKey keyFromTblIdx = schema.getFactoryRelation().newFromTblIdxKey();
        keyFromTblIdx.setRequiredFromTableId(existing.getRequiredFromTableId());

        MSSBamRelationByFromKeyIdxKey keyFromKeyIdx = schema.getFactoryRelation().newFromKeyIdxKey();
        keyFromKeyIdx.setRequiredFromIndexId(existing.getRequiredFromIndexId());

        MSSBamRelationByToTblIdxKey keyToTblIdx = schema.getFactoryRelation().newToTblIdxKey();
        keyToTblIdx.setRequiredToTableId(existing.getRequiredToTableId());

        MSSBamRelationByToKeyIdxKey keyToKeyIdx = schema.getFactoryRelation().newToKeyIdxKey();
        keyToKeyIdx.setRequiredToIndexId(existing.getRequiredToIndexId());

        MSSBamRelationByNarrowedIdxKey keyNarrowedIdx = schema.getFactoryRelation().newNarrowedIdxKey();
        keyNarrowedIdx.setOptionalNarrowedId(existing.getOptionalNarrowedId());

        // Validate reverse foreign keys

        if (schema.getTablePopDep().readDerivedByRelationIdx(Authorization, existing.getRequiredId()).length > 0) {
            throw CFLib.getDefaultExceptionFactory().newDependentsDetectedException(getClass(), "deleteRelation",
                    "Lookup", "Relation", "PopDep", pkey);
        }

        if (schema.getTablePopTopDep().readDerivedByContRelIdx(Authorization,
                existing.getRequiredId()).length > 0) {
            throw CFLib.getDefaultExceptionFactory().newDependentsDetectedException(getClass(), "deleteRelation",
                    "Container", "ContRelation", "PopTopDep", pkey);
        }

        if (schema.getTableRelationCol().readDerivedByRelationIdx(Authorization,
                existing.getRequiredId()).length > 0) {
            throw CFLib.getDefaultExceptionFactory().newDependentsDetectedException(getClass(), "deleteRelation",
                    "Container", "Relation", "RelationCol", pkey);
        }

        if (schema.getTableRelGroupValue().readDerivedByRelationIdx(Authorization,
                existing.getRequiredId()).length > 0) {
            throw CFLib.getDefaultExceptionFactory().newDependentsDetectedException(getClass(), "deleteRelation",
                    "Container", "Relation", "RelGroupValue", pkey);
        }

        if (schema.getTableChain().readDerivedByPrevRelIdx(Authorization, existing.getRequiredId()).length > 0) {
            throw CFLib.getDefaultExceptionFactory().newDependentsDetectedException(getClass(), "deleteRelation",
                    "Lookup", "PrevRelation", "Chain", pkey);
        }

        if (schema.getTableChain().readDerivedByNextRelIdx(Authorization, existing.getRequiredId()).length > 0) {
            throw CFLib.getDefaultExceptionFactory().newDependentsDetectedException(getClass(), "deleteRelation",
                    "Lookup", "NextRelation", "Chain", pkey);
        }

        if (schema.getTableDelDep().readDerivedByTableIdx(Authorization, existing.getRequiredId()).length > 0) {
            throw CFLib.getDefaultExceptionFactory().newDependentsDetectedException(getClass(), "deleteRelation",
                    "Lookup", "Relation", "DelDep", pkey);
        }

        if (schema.getTableClearDep().readDerivedByTableIdx(Authorization, existing.getRequiredId()).length > 0) {
            throw CFLib.getDefaultExceptionFactory().newDependentsDetectedException(getClass(), "deleteRelation",
                    "Lookup", "Relation", "ClearDep", pkey);
        }

        // Delete is valid

        SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdict;

        dictByPKey.remove(pkey);

        subdict = dictByRTypeKeyIdx.get(keyRTypeKeyIdx);
        subdict.remove(pkey);

        subdict = dictByFromTblIdx.get(keyFromTblIdx);
        subdict.remove(pkey);

        subdict = dictByFromKeyIdx.get(keyFromKeyIdx);
        subdict.remove(pkey);

        subdict = dictByToTblIdx.get(keyToTblIdx);
        subdict.remove(pkey);

        subdict = dictByToKeyIdx.get(keyToKeyIdx);
        subdict.remove(pkey);

        subdict = dictByNarrowedIdx.get(keyNarrowedIdx);
        subdict.remove(pkey);

    }

    public MSSBamCursor openRelationCursorAll(MSSBamAuthorization Authorization) {
        MSSBamCursor cursor = new MSSBamRamRelationCursor(Authorization, schema, dictByPKey.values());
        return (cursor);
    }

    public MSSBamCursor openRelationCursorByRTypeKeyIdx(MSSBamAuthorization Authorization, short RelationTypeId) {
        MSSBamCursor cursor;
        MSSBamRelationByRTypeKeyIdxKey key = schema.getFactoryRelation().newRTypeKeyIdxKey();
        key.setRequiredRelationTypeId(RelationTypeId);

        if (dictByRTypeKeyIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictRTypeKeyIdx = dictByRTypeKeyIdx.get(key);
            cursor = new MSSBamRamRelationCursor(Authorization, schema, subdictRTypeKeyIdx.values());
        } else {
            cursor = new MSSBamRamRelationCursor(Authorization, schema, new ArrayList<MSSBamRelationBuff>());
        }
        return (cursor);
    }

    public MSSBamCursor openRelationCursorByFromTblIdx(MSSBamAuthorization Authorization, long FromTableId) {
        MSSBamCursor cursor;
        MSSBamRelationByFromTblIdxKey key = schema.getFactoryRelation().newFromTblIdxKey();
        key.setRequiredFromTableId(FromTableId);

        if (dictByFromTblIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictFromTblIdx = dictByFromTblIdx.get(key);
            cursor = new MSSBamRamRelationCursor(Authorization, schema, subdictFromTblIdx.values());
        } else {
            cursor = new MSSBamRamRelationCursor(Authorization, schema, new ArrayList<MSSBamRelationBuff>());
        }
        return (cursor);
    }

    public MSSBamCursor openRelationCursorByFromKeyIdx(MSSBamAuthorization Authorization, long FromIndexId) {
        MSSBamCursor cursor;
        MSSBamRelationByFromKeyIdxKey key = schema.getFactoryRelation().newFromKeyIdxKey();
        key.setRequiredFromIndexId(FromIndexId);

        if (dictByFromKeyIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictFromKeyIdx = dictByFromKeyIdx.get(key);
            cursor = new MSSBamRamRelationCursor(Authorization, schema, subdictFromKeyIdx.values());
        } else {
            cursor = new MSSBamRamRelationCursor(Authorization, schema, new ArrayList<MSSBamRelationBuff>());
        }
        return (cursor);
    }

    public MSSBamCursor openRelationCursorByToTblIdx(MSSBamAuthorization Authorization, long ToTableId) {
        MSSBamCursor cursor;
        MSSBamRelationByToTblIdxKey key = schema.getFactoryRelation().newToTblIdxKey();
        key.setRequiredToTableId(ToTableId);

        if (dictByToTblIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictToTblIdx = dictByToTblIdx.get(key);
            cursor = new MSSBamRamRelationCursor(Authorization, schema, subdictToTblIdx.values());
        } else {
            cursor = new MSSBamRamRelationCursor(Authorization, schema, new ArrayList<MSSBamRelationBuff>());
        }
        return (cursor);
    }

    public MSSBamCursor openRelationCursorByToKeyIdx(MSSBamAuthorization Authorization, long ToIndexId) {
        MSSBamCursor cursor;
        MSSBamRelationByToKeyIdxKey key = schema.getFactoryRelation().newToKeyIdxKey();
        key.setRequiredToIndexId(ToIndexId);

        if (dictByToKeyIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictToKeyIdx = dictByToKeyIdx.get(key);
            cursor = new MSSBamRamRelationCursor(Authorization, schema, subdictToKeyIdx.values());
        } else {
            cursor = new MSSBamRamRelationCursor(Authorization, schema, new ArrayList<MSSBamRelationBuff>());
        }
        return (cursor);
    }

    public MSSBamCursor openRelationCursorByNarrowedIdx(MSSBamAuthorization Authorization, Long NarrowedId) {
        MSSBamCursor cursor;
        MSSBamRelationByNarrowedIdxKey key = schema.getFactoryRelation().newNarrowedIdxKey();
        key.setOptionalNarrowedId(NarrowedId);

        if (dictByNarrowedIdx.containsKey(key)) {
            SortedMap<MSSBamAnyObjPKey, MSSBamRelationBuff> subdictNarrowedIdx = dictByNarrowedIdx.get(key);
            cursor = new MSSBamRamRelationCursor(Authorization, schema, subdictNarrowedIdx.values());
        } else {
            cursor = new MSSBamRamRelationCursor(Authorization, schema, new ArrayList<MSSBamRelationBuff>());
        }
        return (cursor);
    }

    public void closeRelationCursor(MSSBamCursor Cursor) {
        // Cursor.DataReader.Close();
    }

    public MSSBamRelationBuff nextRelationCursor(MSSBamCursor Cursor) {
        MSSBamRamRelationCursor cursor = (MSSBamRamRelationCursor) Cursor;
        MSSBamRelationBuff rec = cursor.getCursor().next();
        cursor.setRowIdx(cursor.getRowIdx() + 1);
        return (rec);
    }

    public MSSBamRelationBuff prevRelationCursor(MSSBamCursor Cursor) {
        int targetRowIdx = (Cursor.getRowIdx() > 1) ? Cursor.getRowIdx() - 1 : 1;
        MSSBamRelationBuff rec = null;
        if (Cursor.getRowIdx() >= targetRowIdx) {
            Cursor.reset();
        }
        while (Cursor.getRowIdx() < targetRowIdx) {
            rec = nextRelationCursor(Cursor);
        }
        return (rec);
    }

    public MSSBamRelationBuff firstRelationCursor(MSSBamCursor Cursor) {
        int targetRowIdx = 1;
        MSSBamRelationBuff rec = null;
        Cursor.reset();
        while (Cursor.getRowIdx() < targetRowIdx) {
            rec = nextRelationCursor(Cursor);
        }
        return (rec);
    }

    public MSSBamRelationBuff lastRelationCursor(MSSBamCursor Cursor) {
        throw CFLib.getDefaultExceptionFactory().newNotImplementedYetException(getClass(), "lastRelationCursor");
    }

    public MSSBamRelationBuff nthRelationCursor(MSSBamCursor Cursor, int Idx) {
        int targetRowIdx = Idx;
        MSSBamRelationBuff rec = null;
        if (Cursor.getRowIdx() >= targetRowIdx) {
            Cursor.reset();
        }
        while (Cursor.getRowIdx() < targetRowIdx) {
            rec = nextRelationCursor(Cursor);
        }
        return (rec);
    }
}