Java tutorial
// Description: Java6 in-memory RAM DbIO implementation for Memo. /* * MSS Code Factory 1.10 * * Copyright (c) 2012 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/>. * * *********************************************************************** * * Code manufactured * by MSS Code Factory version 1.9.3294 * * $Revision: 26 $ */ package net.sourceforge.msscodefactory.v1_10.MSSBamRam; import java.sql.*; import java.util.*; import net.sourceforge.msscodefactory.cflib.v1_9.CFLib.*; import org.apache.commons.codec.binary.Base64; import net.sourceforge.msscodefactory.v1_10.MSSBam.*; import net.sourceforge.msscodefactory.v1_10.MSSBamBL.*; import net.sourceforge.msscodefactory.v1_10.MSSBamBLRam.*; /* * MSSBamRamMemoTable in-memory RAM DbIO implementation * for Memo. */ public class MSSBamRamMemoTable implements IMSSBamMemoTable { private MSSBamBLRamSchema schema; private Map<MSSBamMemoPKey, MSSBamMemoBuff> dictByPKey = new HashMap<MSSBamMemoPKey, MSSBamMemoBuff>(); private SortedMap<MSSBamMemoByMemoContactIdxKey, SortedMap<MSSBamMemoPKey, MSSBamMemoBuff>> dictByMemoContactIdx = new TreeMap<MSSBamMemoByMemoContactIdxKey, SortedMap<MSSBamMemoPKey, MSSBamMemoBuff>>(); private SortedMap<MSSBamMemoByUDescrIdxKey, MSSBamMemoBuff> dictByUDescrIdx = new TreeMap<MSSBamMemoByUDescrIdxKey, MSSBamMemoBuff>(); public MSSBamRamMemoTable(MSSBamBLRamSchema argSchema) { schema = argSchema; } public void createMemo(MSSBamAuthorization Authorization, MSSBamMemoBuff Buff) { MSSBamMemoPKey pkey = schema.getFactoryMemo().newPKey(); pkey.setRequiredMemoId(schema.nextMemoIdGen()); Buff.setRequiredMemoId(pkey.getRequiredMemoId()); MSSBamMemoByMemoContactIdxKey keyMemoContactIdx = schema.getFactoryMemo().newMemoContactIdxKey(); keyMemoContactIdx.setRequiredContactId(Buff.getRequiredContactId()); MSSBamMemoByUDescrIdxKey keyUDescrIdx = schema.getFactoryMemo().newUDescrIdxKey(); keyUDescrIdx.setRequiredContactId(Buff.getRequiredContactId()); keyUDescrIdx.setRequiredDescription(Buff.getRequiredDescription()); // Validate unique indexes if (dictByPKey.containsKey(pkey)) { throw CFLib.getDefaultExceptionFactory().newPrimaryKeyNotNewException(getClass(), "createMemo", pkey); } if (dictByUDescrIdx.containsKey(keyUDescrIdx)) { throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(), "createMemo", "MemoUDescrIdx", keyUDescrIdx); } // Validate foreign keys { boolean allNull = true; allNull = false; if (!allNull) { if (null == schema.getTableContact().readDerivedByIdIdx(Authorization, Buff.getRequiredContactId())) { throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(), "createMemo", "Container", "MemoContact", "Contact", null); } } } // Proceed with adding the new record dictByPKey.put(pkey, Buff); SortedMap<MSSBamMemoPKey, MSSBamMemoBuff> subdictMemoContactIdx; if (dictByMemoContactIdx.containsKey(keyMemoContactIdx)) { subdictMemoContactIdx = dictByMemoContactIdx.get(keyMemoContactIdx); } else { subdictMemoContactIdx = new TreeMap<MSSBamMemoPKey, MSSBamMemoBuff>(); dictByMemoContactIdx.put(keyMemoContactIdx, subdictMemoContactIdx); } subdictMemoContactIdx.put(pkey, Buff); dictByUDescrIdx.put(keyUDescrIdx, Buff); } public MSSBamMemoBuff readDerived(MSSBamAuthorization Authorization, MSSBamMemoPKey PKey) { final String S_ProcName = "MSSBamRamMemo.readDerived() "; MSSBamMemoPKey key = schema.getFactoryMemo().newPKey(); key.setRequiredMemoId(PKey.getRequiredMemoId()); MSSBamMemoBuff buff; if (dictByPKey.containsKey(key)) { buff = dictByPKey.get(key); } else { buff = null; } return (buff); } public MSSBamMemoBuff[] readAllDerived(MSSBamAuthorization Authorization) { final String S_ProcName = "MSSBamRamMemo.readAllDerived() "; MSSBamMemoBuff[] retList = new MSSBamMemoBuff[dictByPKey.values().size()]; Iterator<MSSBamMemoBuff> iter = dictByPKey.values().iterator(); int idx = 0; while (iter.hasNext()) { retList[idx++] = iter.next(); } return (retList); } public MSSBamMemoBuff[] readDerivedByMemoContactIdx(MSSBamAuthorization Authorization, long ContactId) { final String S_ProcName = "MSSBamRamMemo.readDerivedByMemoContactIdx() "; MSSBamMemoByMemoContactIdxKey key = schema.getFactoryMemo().newMemoContactIdxKey(); key.setRequiredContactId(ContactId); MSSBamMemoBuff[] recArray; if (dictByMemoContactIdx.containsKey(key)) { SortedMap<MSSBamMemoPKey, MSSBamMemoBuff> subdictMemoContactIdx = dictByMemoContactIdx.get(key); recArray = new MSSBamMemoBuff[subdictMemoContactIdx.size()]; Iterator<MSSBamMemoBuff> iter = subdictMemoContactIdx.values().iterator(); int idx = 0; while (iter.hasNext()) { recArray[idx++] = iter.next(); } } else { recArray = new MSSBamMemoBuff[0]; } return (recArray); } public MSSBamMemoBuff readDerivedByUDescrIdx(MSSBamAuthorization Authorization, long ContactId, String Description) { final String S_ProcName = "MSSBamRamMemo.readDerivedByUDescrIdx() "; MSSBamMemoByUDescrIdxKey key = schema.getFactoryMemo().newUDescrIdxKey(); key.setRequiredContactId(ContactId); key.setRequiredDescription(Description); MSSBamMemoBuff buff; if (dictByUDescrIdx.containsKey(key)) { buff = dictByUDescrIdx.get(key); } else { buff = null; } return (buff); } public MSSBamMemoBuff readDerivedByIdIdx(MSSBamAuthorization Authorization, long MemoId) { final String S_ProcName = "MSSBamRamMemo.readDerivedByIdIdx() "; MSSBamMemoPKey key = schema.getFactoryMemo().newPKey(); key.setRequiredMemoId(MemoId); MSSBamMemoBuff buff; if (dictByPKey.containsKey(key)) { buff = dictByPKey.get(key); } else { buff = null; } return (buff); } public MSSBamMemoBuff readBuff(MSSBamAuthorization Authorization, MSSBamMemoPKey PKey) { final String S_ProcName = "MSSBamRamMemo.readBuff() "; MSSBamMemoBuff buff = readDerived(Authorization, PKey); if ((buff != null) && (!buff.getClassCode().equals("MMO"))) { buff = null; } return (buff); } public MSSBamMemoBuff[] readAllBuff(MSSBamAuthorization Authorization) { final String S_ProcName = "MSSBamRamMemo.readAllBuff() "; MSSBamMemoBuff buff; ArrayList<MSSBamMemoBuff> filteredList = new ArrayList<MSSBamMemoBuff>(); MSSBamMemoBuff[] buffList = readAllDerived(Authorization); for (int idx = 0; idx < buffList.length; idx++) { buff = buffList[idx]; if ((buff != null) && buff.getClassCode().equals("MMO")) { filteredList.add(buff); } } return (filteredList.toArray(new MSSBamMemoBuff[0])); } public MSSBamMemoBuff readBuffByIdIdx(MSSBamAuthorization Authorization, long MemoId) { final String S_ProcName = "MSSBamRamMemo.readBuffByIdIdx() "; MSSBamMemoBuff buff = readDerivedByIdIdx(Authorization, MemoId); if ((buff != null) && buff.getClassCode().equals("MMO")) { return ((MSSBamMemoBuff) buff); } else { return (null); } } public MSSBamMemoBuff[] readBuffByMemoContactIdx(MSSBamAuthorization Authorization, long ContactId) { final String S_ProcName = "MSSBamRamMemo.readBuffByMemoContactIdx() "; MSSBamMemoBuff buff; ArrayList<MSSBamMemoBuff> filteredList = new ArrayList<MSSBamMemoBuff>(); MSSBamMemoBuff[] buffList = readDerivedByMemoContactIdx(Authorization, ContactId); for (int idx = 0; idx < buffList.length; idx++) { buff = buffList[idx]; if ((buff != null) && buff.getClassCode().equals("MMO")) { filteredList.add((MSSBamMemoBuff) buff); } } return (filteredList.toArray(new MSSBamMemoBuff[0])); } public MSSBamMemoBuff readBuffByUDescrIdx(MSSBamAuthorization Authorization, long ContactId, String Description) { final String S_ProcName = "MSSBamRamMemo.readBuffByUDescrIdx() "; MSSBamMemoBuff buff = readDerivedByUDescrIdx(Authorization, ContactId, Description); if ((buff != null) && buff.getClassCode().equals("MMO")) { return ((MSSBamMemoBuff) buff); } else { return (null); } } public void updateMemo(MSSBamAuthorization Authorization, MSSBamMemoBuff Buff) { MSSBamMemoPKey pkey = schema.getFactoryMemo().newPKey(); pkey.setRequiredMemoId(Buff.getRequiredMemoId()); MSSBamMemoBuff existing = dictByPKey.get(pkey); if (existing == null) { throw CFLib.getDefaultExceptionFactory().newStaleCacheDetectedException(getClass(), "updateMemo", "Existing record not found", "Memo", pkey); } if (existing.getRequiredRevision() != Buff.getRequiredRevision()) { throw CFLib.getDefaultExceptionFactory().newCollisionDetectedException(getClass(), "updateMemo", pkey); } Buff.setRequiredRevision(Buff.getRequiredRevision() + 1); MSSBamMemoByMemoContactIdxKey existingKeyMemoContactIdx = schema.getFactoryMemo().newMemoContactIdxKey(); existingKeyMemoContactIdx.setRequiredContactId(existing.getRequiredContactId()); MSSBamMemoByMemoContactIdxKey newKeyMemoContactIdx = schema.getFactoryMemo().newMemoContactIdxKey(); newKeyMemoContactIdx.setRequiredContactId(Buff.getRequiredContactId()); MSSBamMemoByUDescrIdxKey existingKeyUDescrIdx = schema.getFactoryMemo().newUDescrIdxKey(); existingKeyUDescrIdx.setRequiredContactId(existing.getRequiredContactId()); existingKeyUDescrIdx.setRequiredDescription(existing.getRequiredDescription()); MSSBamMemoByUDescrIdxKey newKeyUDescrIdx = schema.getFactoryMemo().newUDescrIdxKey(); newKeyUDescrIdx.setRequiredContactId(Buff.getRequiredContactId()); newKeyUDescrIdx.setRequiredDescription(Buff.getRequiredDescription()); // Check unique indexes if (!existingKeyUDescrIdx.equals(newKeyUDescrIdx)) { if (dictByUDescrIdx.containsKey(newKeyUDescrIdx)) { throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(), "updateMemo", "MemoUDescrIdx", newKeyUDescrIdx); } } // Validate foreign keys { boolean allNull = true; if (allNull) { if (null == schema.getTableContact().readDerivedByIdIdx(Authorization, Buff.getRequiredContactId())) { throw CFLib.getDefaultExceptionFactory().newUnresolvedRelationException(getClass(), "updateMemo", "Container", "MemoContact", "Contact", null); } } } // Update is valid SortedMap<MSSBamMemoPKey, MSSBamMemoBuff> subdict; dictByPKey.remove(pkey); dictByPKey.put(pkey, Buff); subdict = dictByMemoContactIdx.get(existingKeyMemoContactIdx); if (subdict != null) { subdict.remove(pkey); } if (dictByMemoContactIdx.containsKey(newKeyMemoContactIdx)) { subdict = dictByMemoContactIdx.get(newKeyMemoContactIdx); } else { subdict = new TreeMap<MSSBamMemoPKey, MSSBamMemoBuff>(); dictByMemoContactIdx.put(newKeyMemoContactIdx, subdict); } subdict.put(pkey, Buff); dictByUDescrIdx.remove(existingKeyUDescrIdx); dictByUDescrIdx.put(newKeyUDescrIdx, Buff); } public void deleteMemo(MSSBamAuthorization Authorization, MSSBamMemoBuff Buff) { final String S_ProcName = "MSSBamRamMemoTable.deleteMemo() "; MSSBamMemoPKey pkey = schema.getFactoryMemo().newPKey(); pkey.setRequiredMemoId(schema.nextMemoIdGen()); MSSBamMemoBuff existing = dictByPKey.get(pkey); if (existing == null) { throw CFLib.getDefaultExceptionFactory().newStaleCacheDetectedException(getClass(), "deleteMemo", "Existing record not found", "Memo", pkey); } if (existing.getRequiredRevision() != Buff.getRequiredRevision()) { throw CFLib.getDefaultExceptionFactory().newCollisionDetectedException(getClass(), "deleteMemo", pkey); } MSSBamMemoByMemoContactIdxKey keyMemoContactIdx = schema.getFactoryMemo().newMemoContactIdxKey(); keyMemoContactIdx.setRequiredContactId(existing.getRequiredContactId()); MSSBamMemoByUDescrIdxKey keyUDescrIdx = schema.getFactoryMemo().newUDescrIdxKey(); keyUDescrIdx.setRequiredContactId(existing.getRequiredContactId()); keyUDescrIdx.setRequiredDescription(existing.getRequiredDescription()); // Validate reverse foreign keys if (schema.getTableMemoTag().readDerivedByMemoIdx(Authorization, existing.getRequiredMemoId()).length > 0) { throw CFLib.getDefaultExceptionFactory().newDependentsDetectedException(getClass(), "deleteMemo", "Container", "MemoTagMemo", "MemoTag", pkey); } // Delete is valid SortedMap<MSSBamMemoPKey, MSSBamMemoBuff> subdict; dictByPKey.remove(pkey); subdict = dictByMemoContactIdx.get(keyMemoContactIdx); subdict.remove(pkey); dictByUDescrIdx.remove(keyUDescrIdx); } public MSSBamCursor openMemoCursorAll(MSSBamAuthorization Authorization) { MSSBamCursor cursor = new MSSBamRamMemoCursor(Authorization, schema, dictByPKey.values()); return (cursor); } public MSSBamCursor openMemoCursorByMemoContactIdx(MSSBamAuthorization Authorization, long ContactId) { MSSBamCursor cursor; MSSBamMemoByMemoContactIdxKey key = schema.getFactoryMemo().newMemoContactIdxKey(); key.setRequiredContactId(ContactId); if (dictByMemoContactIdx.containsKey(key)) { SortedMap<MSSBamMemoPKey, MSSBamMemoBuff> subdictMemoContactIdx = dictByMemoContactIdx.get(key); cursor = new MSSBamRamMemoCursor(Authorization, schema, subdictMemoContactIdx.values()); } else { cursor = new MSSBamRamMemoCursor(Authorization, schema, new ArrayList<MSSBamMemoBuff>()); } return (cursor); } public void closeMemoCursor(MSSBamCursor Cursor) { // Cursor.DataReader.Close(); } public MSSBamMemoBuff nextMemoCursor(MSSBamCursor Cursor) { MSSBamRamMemoCursor cursor = (MSSBamRamMemoCursor) Cursor; MSSBamMemoBuff rec = cursor.getCursor().next(); cursor.setRowIdx(cursor.getRowIdx() + 1); return (rec); } public MSSBamMemoBuff prevMemoCursor(MSSBamCursor Cursor) { int targetRowIdx = (Cursor.getRowIdx() > 1) ? Cursor.getRowIdx() - 1 : 1; MSSBamMemoBuff rec = null; if (Cursor.getRowIdx() >= targetRowIdx) { Cursor.reset(); } while (Cursor.getRowIdx() < targetRowIdx) { rec = nextMemoCursor(Cursor); } return (rec); } public MSSBamMemoBuff firstMemoCursor(MSSBamCursor Cursor) { int targetRowIdx = 1; MSSBamMemoBuff rec = null; Cursor.reset(); while (Cursor.getRowIdx() < targetRowIdx) { rec = nextMemoCursor(Cursor); } return (rec); } public MSSBamMemoBuff lastMemoCursor(MSSBamCursor Cursor) { throw CFLib.getDefaultExceptionFactory().newNotImplementedYetException(getClass(), "lastMemoCursor"); } public MSSBamMemoBuff nthMemoCursor(MSSBamCursor Cursor, int Idx) { int targetRowIdx = Idx; MSSBamMemoBuff rec = null; if (Cursor.getRowIdx() >= targetRowIdx) { Cursor.reset(); } while (Cursor.getRowIdx() < targetRowIdx) { rec = nextMemoCursor(Cursor); } return (rec); } }