Java tutorial
// Description: Java7 in-memory RAM DbIO implementation for Cluster. /* * MSS Code Factory Accounting Business Application Model * * Copyright (c) 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/>. * * This source code incorporates modified modules originally licensed * under the Apache 2.0 license by MSS Code Factory including CFSecurity * (net-sourceforge-msscodefactory-2.0-cfsecurity.xml), * CFInternet (net-sourceforge-msscodefactory-2.0-cfinternet.xml), and * CFCrm 2.0 (net-sourceforge-msscodefactory-2.0-cfcrm.xml), with all of the * required models being available as part of the MSS Code Factory 1.11 * distribution source and install zips. * * You can download installations of MSS Code Factory 1.11 from * http://msscodefactory.sourceforge.net/ * * *********************************************************************** * * Code manufactured by MSS Code Factory */ package net.sourceforge.msscodefactory.cfacc.v2_0.CFAccRam; 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.cfacc.v2_0.CFAcc.*; import net.sourceforge.msscodefactory.cfacc.v2_0.CFAccRam.*; /* * CFAccRamClusterTable in-memory RAM DbIO implementation * for Cluster. */ public class CFAccRamClusterTable implements ICFAccClusterTable { private CFAccRamSchema schema; private Map<CFAccClusterPKey, CFAccClusterBuff> dictByPKey = new HashMap<CFAccClusterPKey, CFAccClusterBuff>(); private SortedMap<CFAccClusterByUDomainNameIdxKey, CFAccClusterBuff> dictByUDomainNameIdx = new TreeMap<CFAccClusterByUDomainNameIdxKey, CFAccClusterBuff>(); private Map<CFAccRamClusterId32Gen, CFAccRamClusterId32Gen> id32Generator = new HashMap<CFAccRamClusterId32Gen, CFAccRamClusterId32Gen>(); private Map<CFAccRamClusterId64Gen, CFAccRamClusterId64Gen> id64Generator = new HashMap<CFAccRamClusterId64Gen, CFAccRamClusterId64Gen>(); public CFAccRamClusterTable(CFAccRamSchema argSchema) { schema = argSchema; } protected int generateNextId32(long argId, short argSliceId) { CFAccRamClusterId32Gen key = new CFAccRamClusterId32Gen(); key.setRequiredId(argId); key.setRequiredSliceId(argSliceId); CFAccRamClusterId32Gen useGen = id32Generator.get(key); if (useGen == null) { id32Generator.put(key, key); useGen = key; } int retNext = useGen.getNextId(); return (retNext); } protected long generateNextId64(long argId, short argSliceId) { CFAccRamClusterId64Gen key = new CFAccRamClusterId64Gen(); key.setRequiredId(argId); key.setRequiredSliceId(argSliceId); CFAccRamClusterId64Gen useGen = id64Generator.get(key); if (useGen == null) { id64Generator.put(key, key); useGen = key; } long retNext = useGen.getNextId(); return (retNext); } public int nextSecAppIdGen(CFAccAuthorization Authorization, CFAccClusterPKey pkey) { int retval = nextSecAppIdGen(Authorization, pkey.getRequiredId()); return (retval); } public int nextSecAppIdGen(CFAccAuthorization Authorization, long argId) { int retNext = generateNextId32(argId, (short) 103); return (retNext); } public int nextSecFormIdGen(CFAccAuthorization Authorization, CFAccClusterPKey pkey) { int retval = nextSecFormIdGen(Authorization, pkey.getRequiredId()); return (retval); } public int nextSecFormIdGen(CFAccAuthorization Authorization, long argId) { int retNext = generateNextId32(argId, (short) 104); return (retNext); } public int nextSecGroupIdGen(CFAccAuthorization Authorization, CFAccClusterPKey pkey) { int retval = nextSecGroupIdGen(Authorization, pkey.getRequiredId()); return (retval); } public int nextSecGroupIdGen(CFAccAuthorization Authorization, long argId) { int retNext = generateNextId32(argId, (short) 105); return (retNext); } public long nextSecGroupMemberIdGen(CFAccAuthorization Authorization, CFAccClusterPKey pkey) { long retval = nextSecGroupMemberIdGen(Authorization, pkey.getRequiredId()); return (retval); } public long nextSecGroupMemberIdGen(CFAccAuthorization Authorization, long argId) { long retNext = generateNextId64(argId, (short) 106); return (retNext); } public long nextSecGroupIncludeIdGen(CFAccAuthorization Authorization, CFAccClusterPKey pkey) { long retval = nextSecGroupIncludeIdGen(Authorization, pkey.getRequiredId()); return (retval); } public long nextSecGroupIncludeIdGen(CFAccAuthorization Authorization, long argId) { long retNext = generateNextId64(argId, (short) 107); return (retNext); } public long nextSecGroupFormIdGen(CFAccAuthorization Authorization, CFAccClusterPKey pkey) { long retval = nextSecGroupFormIdGen(Authorization, pkey.getRequiredId()); return (retval); } public long nextSecGroupFormIdGen(CFAccAuthorization Authorization, long argId) { long retNext = generateNextId64(argId, (short) 108); return (retNext); } public long nextServiceIdGen(CFAccAuthorization Authorization, CFAccClusterPKey pkey) { long retval = nextServiceIdGen(Authorization, pkey.getRequiredId()); return (retval); } public long nextServiceIdGen(CFAccAuthorization Authorization, long argId) { long retNext = generateNextId64(argId, (short) 111); return (retNext); } public long nextHostNodeIdGen(CFAccAuthorization Authorization, CFAccClusterPKey pkey) { long retval = nextHostNodeIdGen(Authorization, pkey.getRequiredId()); return (retval); } public long nextHostNodeIdGen(CFAccAuthorization Authorization, long argId) { long retNext = generateNextId64(argId, (short) 112); return (retNext); } public void createCluster(CFAccAuthorization Authorization, CFAccClusterBuff Buff) { CFAccClusterPKey pkey = schema.getFactoryCluster().newPKey(); pkey.setRequiredId(schema.nextClusterIdGen()); Buff.setRequiredId(pkey.getRequiredId()); CFAccClusterByUDomainNameIdxKey keyUDomainNameIdx = schema.getFactoryCluster().newUDomainNameIdxKey(); keyUDomainNameIdx.setRequiredFullDomainName(Buff.getRequiredFullDomainName()); // Validate unique indexes if (dictByPKey.containsKey(pkey)) { throw CFLib.getDefaultExceptionFactory().newPrimaryKeyNotNewException(getClass(), "createCluster", pkey); } if (dictByUDomainNameIdx.containsKey(keyUDomainNameIdx)) { throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(), "createCluster", "ClusterUDomainNameIdx", keyUDomainNameIdx); } // Validate foreign keys // Proceed with adding the new record dictByPKey.put(pkey, Buff); dictByUDomainNameIdx.put(keyUDomainNameIdx, Buff); } public CFAccClusterBuff readDerived(CFAccAuthorization Authorization, CFAccClusterPKey PKey) { final String S_ProcName = "CFAccRamCluster.readDerived() "; CFAccClusterPKey key = schema.getFactoryCluster().newPKey(); key.setRequiredId(PKey.getRequiredId()); CFAccClusterBuff buff; if (dictByPKey.containsKey(key)) { buff = dictByPKey.get(key); } else { buff = null; } return (buff); } public CFAccClusterBuff lockDerived(CFAccAuthorization Authorization, CFAccClusterPKey PKey) { final String S_ProcName = "CFAccRamCluster.readDerived() "; CFAccClusterPKey key = schema.getFactoryCluster().newPKey(); key.setRequiredId(PKey.getRequiredId()); CFAccClusterBuff buff; if (dictByPKey.containsKey(key)) { buff = dictByPKey.get(key); } else { buff = null; } return (buff); } public CFAccClusterBuff[] readAllDerived(CFAccAuthorization Authorization) { final String S_ProcName = "CFAccRamCluster.readAllDerived() "; CFAccClusterBuff[] retList = new CFAccClusterBuff[dictByPKey.values().size()]; Iterator<CFAccClusterBuff> iter = dictByPKey.values().iterator(); int idx = 0; while (iter.hasNext()) { retList[idx++] = iter.next(); } return (retList); } public CFAccClusterBuff readDerivedByUDomainNameIdx(CFAccAuthorization Authorization, String FullDomainName) { final String S_ProcName = "CFAccRamCluster.readDerivedByUDomainNameIdx() "; CFAccClusterByUDomainNameIdxKey key = schema.getFactoryCluster().newUDomainNameIdxKey(); key.setRequiredFullDomainName(FullDomainName); CFAccClusterBuff buff; if (dictByUDomainNameIdx.containsKey(key)) { buff = dictByUDomainNameIdx.get(key); } else { buff = null; } return (buff); } public CFAccClusterBuff readDerivedByIdIdx(CFAccAuthorization Authorization, long Id) { final String S_ProcName = "CFAccRamCluster.readDerivedByIdIdx() "; CFAccClusterPKey key = schema.getFactoryCluster().newPKey(); key.setRequiredId(Id); CFAccClusterBuff buff; if (dictByPKey.containsKey(key)) { buff = dictByPKey.get(key); } else { buff = null; } return (buff); } public CFAccClusterBuff readBuff(CFAccAuthorization Authorization, CFAccClusterPKey PKey) { final String S_ProcName = "CFAccRamCluster.readBuff() "; CFAccClusterBuff buff = readDerived(Authorization, PKey); if ((buff != null) && (!buff.getClassCode().equals("CLUS"))) { buff = null; } return (buff); } public CFAccClusterBuff lockBuff(CFAccAuthorization Authorization, CFAccClusterPKey PKey) { final String S_ProcName = "CFAccRamCluster.readBuff() "; CFAccClusterBuff buff = readDerived(Authorization, PKey); if ((buff != null) && (!buff.getClassCode().equals("CLUS"))) { buff = null; } return (buff); } public CFAccClusterBuff[] readAllBuff(CFAccAuthorization Authorization) { final String S_ProcName = "CFAccRamCluster.readAllBuff() "; CFAccClusterBuff buff; ArrayList<CFAccClusterBuff> filteredList = new ArrayList<CFAccClusterBuff>(); CFAccClusterBuff[] buffList = readAllDerived(Authorization); for (int idx = 0; idx < buffList.length; idx++) { buff = buffList[idx]; if ((buff != null) && buff.getClassCode().equals("CLUS")) { filteredList.add(buff); } } return (filteredList.toArray(new CFAccClusterBuff[0])); } public CFAccClusterBuff readBuffByIdIdx(CFAccAuthorization Authorization, long Id) { final String S_ProcName = "CFAccRamCluster.readBuffByIdIdx() "; CFAccClusterBuff buff = readDerivedByIdIdx(Authorization, Id); if ((buff != null) && buff.getClassCode().equals("CLUS")) { return ((CFAccClusterBuff) buff); } else { return (null); } } public CFAccClusterBuff readBuffByUDomainNameIdx(CFAccAuthorization Authorization, String FullDomainName) { final String S_ProcName = "CFAccRamCluster.readBuffByUDomainNameIdx() "; CFAccClusterBuff buff = readDerivedByUDomainNameIdx(Authorization, FullDomainName); if ((buff != null) && buff.getClassCode().equals("CLUS")) { return ((CFAccClusterBuff) buff); } else { return (null); } } public void updateCluster(CFAccAuthorization Authorization, CFAccClusterBuff Buff) { CFAccClusterPKey pkey = schema.getFactoryCluster().newPKey(); pkey.setRequiredId(Buff.getRequiredId()); CFAccClusterBuff existing = dictByPKey.get(pkey); if (existing == null) { throw CFLib.getDefaultExceptionFactory().newStaleCacheDetectedException(getClass(), "updateCluster", "Existing record not found", "Cluster", pkey); } if (existing.getRequiredRevision() != Buff.getRequiredRevision()) { throw CFLib.getDefaultExceptionFactory().newCollisionDetectedException(getClass(), "updateCluster", pkey); } Buff.setRequiredRevision(Buff.getRequiredRevision() + 1); CFAccClusterByUDomainNameIdxKey existingKeyUDomainNameIdx = schema.getFactoryCluster() .newUDomainNameIdxKey(); existingKeyUDomainNameIdx.setRequiredFullDomainName(existing.getRequiredFullDomainName()); CFAccClusterByUDomainNameIdxKey newKeyUDomainNameIdx = schema.getFactoryCluster().newUDomainNameIdxKey(); newKeyUDomainNameIdx.setRequiredFullDomainName(Buff.getRequiredFullDomainName()); // Check unique indexes if (!existingKeyUDomainNameIdx.equals(newKeyUDomainNameIdx)) { if (dictByUDomainNameIdx.containsKey(newKeyUDomainNameIdx)) { throw CFLib.getDefaultExceptionFactory().newUniqueIndexViolationException(getClass(), "updateCluster", "ClusterUDomainNameIdx", newKeyUDomainNameIdx); } } // Validate foreign keys // Update is valid SortedMap<CFAccClusterPKey, CFAccClusterBuff> subdict; dictByPKey.remove(pkey); dictByPKey.put(pkey, Buff); dictByUDomainNameIdx.remove(existingKeyUDomainNameIdx); dictByUDomainNameIdx.put(newKeyUDomainNameIdx, Buff); } public void deleteCluster(CFAccAuthorization Authorization, CFAccClusterBuff Buff) { final String S_ProcName = "CFAccRamClusterTable.deleteCluster() "; CFAccClusterPKey pkey = schema.getFactoryCluster().newPKey(); pkey.setRequiredId(Buff.getRequiredId()); CFAccClusterBuff existing = dictByPKey.get(pkey); if (existing == null) { return; } if (existing.getRequiredRevision() != Buff.getRequiredRevision()) { throw CFLib.getDefaultExceptionFactory().newCollisionDetectedException(getClass(), "deleteCluster", pkey); } CFAccClusterByUDomainNameIdxKey keyUDomainNameIdx = schema.getFactoryCluster().newUDomainNameIdxKey(); keyUDomainNameIdx.setRequiredFullDomainName(existing.getRequiredFullDomainName()); // 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()); SortedMap<CFAccClusterPKey, CFAccClusterBuff> subdict; dictByPKey.remove(pkey); dictByUDomainNameIdx.remove(keyUDomainNameIdx); } public void deleteClusterByIdIdx(CFAccAuthorization Authorization, long argId) { CFAccClusterPKey key = schema.getFactoryCluster().newPKey(); key.setRequiredId(argId); deleteClusterByIdIdx(Authorization, key); } public void deleteClusterByIdIdx(CFAccAuthorization Authorization, CFAccClusterPKey argKey) { CFAccClusterBuff cur; LinkedList<CFAccClusterBuff> matchSet = new LinkedList<CFAccClusterBuff>(); Iterator<CFAccClusterBuff> values = dictByPKey.values().iterator(); while (values.hasNext()) { cur = values.next(); if (argKey.equals(cur)) { matchSet.add(cur); } } Iterator<CFAccClusterBuff> iterMatch = matchSet.iterator(); while (iterMatch.hasNext()) { cur = iterMatch.next(); deleteCluster(Authorization, cur); } } public void deleteClusterByUDomainNameIdx(CFAccAuthorization Authorization, String argFullDomainName) { CFAccClusterByUDomainNameIdxKey key = schema.getFactoryCluster().newUDomainNameIdxKey(); key.setRequiredFullDomainName(argFullDomainName); deleteClusterByUDomainNameIdx(Authorization, key); } public void deleteClusterByUDomainNameIdx(CFAccAuthorization Authorization, CFAccClusterByUDomainNameIdxKey argKey) { CFAccClusterBuff cur; LinkedList<CFAccClusterBuff> matchSet = new LinkedList<CFAccClusterBuff>(); Iterator<CFAccClusterBuff> values = dictByPKey.values().iterator(); while (values.hasNext()) { cur = values.next(); if (argKey.equals(cur)) { matchSet.add(cur); } } Iterator<CFAccClusterBuff> iterMatch = matchSet.iterator(); while (iterMatch.hasNext()) { cur = iterMatch.next(); deleteCluster(Authorization, cur); } } public CFAccCursor openClusterCursorAll(CFAccAuthorization Authorization) { CFAccCursor cursor = new CFAccRamClusterCursor(Authorization, schema, dictByPKey.values()); return (cursor); } public void closeClusterCursor(CFAccCursor Cursor) { // Cursor.DataReader.Close(); } public CFAccClusterBuff nextClusterCursor(CFAccCursor Cursor) { CFAccRamClusterCursor cursor = (CFAccRamClusterCursor) Cursor; CFAccClusterBuff rec = cursor.getCursor().next(); cursor.setRowIdx(cursor.getRowIdx() + 1); return (rec); } public CFAccClusterBuff prevClusterCursor(CFAccCursor Cursor) { int targetRowIdx = (Cursor.getRowIdx() > 1) ? Cursor.getRowIdx() - 1 : 1; CFAccClusterBuff rec = null; if (Cursor.getRowIdx() >= targetRowIdx) { Cursor.reset(); } while (Cursor.getRowIdx() < targetRowIdx) { rec = nextClusterCursor(Cursor); } return (rec); } public CFAccClusterBuff firstClusterCursor(CFAccCursor Cursor) { int targetRowIdx = 1; CFAccClusterBuff rec = null; Cursor.reset(); while (Cursor.getRowIdx() < targetRowIdx) { rec = nextClusterCursor(Cursor); } return (rec); } public CFAccClusterBuff lastClusterCursor(CFAccCursor Cursor) { throw CFLib.getDefaultExceptionFactory().newNotImplementedYetException(getClass(), "lastClusterCursor"); } public CFAccClusterBuff nthClusterCursor(CFAccCursor Cursor, int Idx) { int targetRowIdx = Idx; CFAccClusterBuff rec = null; if (Cursor.getRowIdx() >= targetRowIdx) { Cursor.reset(); } while (Cursor.getRowIdx() < targetRowIdx) { rec = nextClusterCursor(Cursor); } return (rec); } public void releasePreparedStatements() { } }