Examples with NucleusException org.datanucleus.exceptions.NucleusException used on opensource projects

Example 1 with NucleusException

use of org.datanucleus.exceptions.NucleusException in project datanucleus-rdbms by datanucleus.

the class DeleteRequest method execute.

/**
 * Method performing the deletion of the record from the datastore.
 * Takes the constructed deletion query and populates with the specific record information.
 * @param op The ObjectProvider for the record to be deleted.
 */
public void execute(ObjectProvider op) {
    if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
        // Debug information about what we are deleting
        NucleusLogger.PERSISTENCE.debug(Localiser.msg("052210", op.getObjectAsPrintable(), table));
    }
    // Process all related fields first
    // a). Delete any dependent objects
    // b). Null any non-dependent objects with FK at other side
    ClassLoaderResolver clr = op.getExecutionContext().getClassLoaderResolver();
    Set relatedObjectsToDelete = null;
    for (int i = 0; i < callbacks.length; ++i) {
        if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
            NucleusLogger.PERSISTENCE.debug(Localiser.msg("052212", op.getObjectAsPrintable(), ((JavaTypeMapping) callbacks[i]).getMemberMetaData().getFullFieldName()));
        }
        callbacks[i].preDelete(op);
        // Check for any dependent related 1-1 objects where we hold the FK and where the object hasn't been deleted.
        // This can happen if this DeleteRequest was triggered by delete-orphans and so the related object has to be deleted *after* this object.
        // It's likely we could do this better by using AttachFieldManager and just marking the "orphan" (i.e this object) as deleted
        // (see AttachFieldManager TODO regarding when not copying)
        JavaTypeMapping mapping = (JavaTypeMapping) callbacks[i];
        AbstractMemberMetaData mmd = mapping.getMemberMetaData();
        RelationType relationType = mmd.getRelationType(clr);
        if (mmd.isDependent() && (relationType == RelationType.ONE_TO_ONE_UNI || (relationType == RelationType.ONE_TO_ONE_BI && mmd.getMappedBy() == null))) {
            try {
                op.isLoaded(mmd.getAbsoluteFieldNumber());
                Object relatedPc = op.provideField(mmd.getAbsoluteFieldNumber());
                boolean relatedObjectDeleted = op.getExecutionContext().getApiAdapter().isDeleted(relatedPc);
                if (!relatedObjectDeleted) {
                    if (relatedObjectsToDelete == null) {
                        relatedObjectsToDelete = new HashSet();
                    }
                    relatedObjectsToDelete.add(relatedPc);
                }
            } catch (// Should be XXXObjectNotFoundException but dont want to use JDO class
            Exception e) {
            }
        }
    }
    // and cater for other cases, in particular persistent interfaces
    if (oneToOneNonOwnerFields != null && oneToOneNonOwnerFields.length > 0) {
        for (int i = 0; i < oneToOneNonOwnerFields.length; i++) {
            AbstractMemberMetaData relatedFmd = oneToOneNonOwnerFields[i];
            updateOneToOneBidirectionalOwnerObjectForField(op, relatedFmd);
        }
    }
    // Choose the statement based on whether optimistic or not
    String stmt = null;
    ExecutionContext ec = op.getExecutionContext();
    RDBMSStoreManager storeMgr = table.getStoreManager();
    boolean optimisticChecks = false;
    if (table.getSurrogateColumn(SurrogateColumnType.SOFTDELETE) != null) {
        stmt = softDeleteStmt;
    } else {
        optimisticChecks = (versionMetaData != null && ec.getTransaction().getOptimistic() && versionChecks);
        if (optimisticChecks) {
            stmt = deleteStmtOptimistic;
        } else {
            stmt = deleteStmt;
        }
    }
    // Process the delete of this object
    try {
        ManagedConnection mconn = storeMgr.getConnectionManager().getConnection(ec);
        SQLController sqlControl = storeMgr.getSQLController();
        try {
            // Perform the delete
            boolean batch = true;
            if (optimisticChecks || !ec.getTransaction().isActive()) {
                // Turn OFF batching if doing optimistic checks (since we need the result of the delete)
                // or if using nontransactional writes (since we want it sending to the datastore now)
                batch = false;
            }
            PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, stmt, batch);
            try {
                // provide WHERE clause field(s)
                if (cmd.getIdentityType() == IdentityType.DATASTORE) {
                    StatementMappingIndex mapIdx = mappingStatementIndex.getWhereDatastoreId();
                    for (int i = 0; i < mapIdx.getNumberOfParameterOccurrences(); i++) {
                        table.getSurrogateMapping(SurrogateColumnType.DATASTORE_ID, false).setObject(ec, ps, mapIdx.getParameterPositionsForOccurrence(i), op.getInternalObjectId());
                    }
                } else {
                    StatementClassMapping mappingDefinition = new StatementClassMapping();
                    StatementMappingIndex[] idxs = mappingStatementIndex.getWhereFields();
                    for (int i = 0; i < idxs.length; i++) {
                        if (idxs[i] != null) {
                            mappingDefinition.addMappingForMember(i, idxs[i]);
                        }
                    }
                    op.provideFields(whereFieldNumbers, new ParameterSetter(op, ps, mappingDefinition));
                }
                if (multitenancyStatementMapping != null) {
                    table.getSurrogateMapping(SurrogateColumnType.MULTITENANCY, false).setObject(ec, ps, multitenancyStatementMapping.getParameterPositionsForOccurrence(0), ec.getNucleusContext().getMultiTenancyId(ec, cmd));
                }
                if (optimisticChecks) {
                    // WHERE clause - current version discriminator
                    JavaTypeMapping verMapping = mappingStatementIndex.getWhereVersion().getMapping();
                    Object currentVersion = op.getTransactionalVersion();
                    if (currentVersion == null) {
                        // Somehow the version is not set on this object (not read in ?) so report the bug
                        String msg = Localiser.msg("052202", op.getInternalObjectId(), table);
                        NucleusLogger.PERSISTENCE.error(msg);
                        throw new NucleusException(msg);
                    }
                    StatementMappingIndex mapIdx = mappingStatementIndex.getWhereVersion();
                    for (int i = 0; i < mapIdx.getNumberOfParameterOccurrences(); i++) {
                        verMapping.setObject(ec, ps, mapIdx.getParameterPositionsForOccurrence(i), currentVersion);
                    }
                }
                int[] rcs = sqlControl.executeStatementUpdate(ec, mconn, stmt, ps, !batch);
                if (optimisticChecks && rcs[0] == 0) {
                    // No object deleted so either object disappeared or failed optimistic version checks
                    throw new NucleusOptimisticException(Localiser.msg("052203", op.getObjectAsPrintable(), op.getInternalObjectId(), "" + op.getTransactionalVersion()), op.getObject());
                }
                if (relatedObjectsToDelete != null && !relatedObjectsToDelete.isEmpty()) {
                    // Delete any related objects that need deleting after the delete of this object
                    Iterator iter = relatedObjectsToDelete.iterator();
                    while (iter.hasNext()) {
                        Object relatedObject = iter.next();
                        ec.deleteObjectInternal(relatedObject);
                    }
                }
            } finally {
                sqlControl.closeStatement(mconn, ps);
            }
        } finally {
            mconn.release();
        }
    } catch (SQLException e) {
        String msg = Localiser.msg("052211", op.getObjectAsPrintable(), stmt, e.getMessage());
        NucleusLogger.DATASTORE_PERSIST.warn(msg);
        List exceptions = new ArrayList();
        exceptions.add(e);
        while ((e = e.getNextException()) != null) {
            exceptions.add(e);
        }
        throw new NucleusDataStoreException(msg, (Throwable[]) exceptions.toArray(new Throwable[exceptions.size()]));
    }
}

Example 2 with NucleusException

use of org.datanucleus.exceptions.NucleusException in project datanucleus-rdbms by datanucleus.

the class PersistableMapping method setObjectAsValue.

/**
 * Method to set an object reference (FK) in the datastore.
 * @param ec The ExecutionContext
 * @param ps The Prepared Statement
 * @param param The parameter ids in the statement
 * @param value The value to put in the statement at these ids
 * @param ownerOP ObjectProvider for the owner object
 * @param ownerFieldNumber Field number of this PC object in the owner
 * @throws NotYetFlushedException Just put "null" in and throw "NotYetFlushedException", to be caught by ParameterSetter and will signal to the
 *     PC object being inserted that it needs to inform this object when it is inserted.
 */
private void setObjectAsValue(ExecutionContext ec, PreparedStatement ps, int[] param, Object value, ObjectProvider ownerOP, int ownerFieldNumber) {
    Object id;
    ApiAdapter api = ec.getApiAdapter();
    if (!api.isPersistable(value)) {
        throw new NucleusException(Localiser.msg("041016", value.getClass(), value)).setFatal();
    }
    ObjectProvider valueOP = ec.findObjectProvider(value);
    try {
        ClassLoaderResolver clr = ec.getClassLoaderResolver();
        // Check if the field is attributed in the datastore
        boolean hasDatastoreAttributedPrimaryKeyValues = hasDatastoreAttributedPrimaryKeyValues(ec.getMetaDataManager(), storeMgr, clr);
        boolean inserted = false;
        if (ownerFieldNumber >= 0) {
            // Field mapping : is this field of the related object present in the datastore?
            inserted = storeMgr.isObjectInserted(valueOP, ownerFieldNumber);
        } else if (mmd == null) {
            // Identity mapping : is the object inserted far enough to be considered of this mapping type?
            inserted = storeMgr.isObjectInserted(valueOP, type);
        }
        if (valueOP != null) {
            if (ec.getApiAdapter().isDetached(value) && valueOP.getReferencedPC() != null && ownerOP != null && mmd != null) {
                // Still detached but started attaching so replace the field with what will be the attached
                // Note that we have "fmd != null" here hence omitting any M-N relations where this is a join table
                // mapping
                ownerOP.replaceFieldMakeDirty(ownerFieldNumber, valueOP.getReferencedPC());
            }
            if (valueOP.isWaitingToBeFlushedToDatastore()) {
                try {
                    // Related object is not yet flushed to the datastore so flush it so we can set the FK
                    valueOP.flush();
                } catch (NotYetFlushedException nfe) {
                    // Could not flush it, maybe it has a relation to this object! so set as null TODO check nullability
                    if (ownerOP != null) {
                        ownerOP.updateFieldAfterInsert(value, ownerFieldNumber);
                    }
                    setObjectAsNull(ec, ps, param);
                    return;
                }
            }
        } else {
            if (ec.getApiAdapter().isDetached(value)) {
                // Field value is detached and not yet started attaching, so attach
                Object attachedValue = ec.persistObjectInternal(value, null, -1, ObjectProvider.PC);
                if (attachedValue != value && ownerOP != null) {
                    // Replace the field value if using copy-on-attach
                    ownerOP.replaceFieldMakeDirty(ownerFieldNumber, attachedValue);
                    // Work from attached value now that it is attached
                    value = attachedValue;
                }
                valueOP = ec.findObjectProvider(value);
            }
        }
        // 5) the value is the same object as we are inserting anyway and has its identity set
        if (inserted || !ec.isInserting(value) || (!hasDatastoreAttributedPrimaryKeyValues && (this.mmd != null && this.mmd.isPrimaryKey())) || (!hasDatastoreAttributedPrimaryKeyValues && ownerOP == valueOP && api.getIdForObject(value) != null)) {
            // The PC is either already inserted, or inserted down to the level we need, or not inserted at all,
            // or the field is a PK and identity not attributed by the datastore
            // Object either already exists, or is not yet being inserted.
            id = api.getIdForObject(value);
            // Check if the persistable object exists in this datastore
            boolean requiresPersisting = false;
            if (ec.getApiAdapter().isDetached(value) && ownerOP != null) {
                // Detached object so needs attaching
                if (ownerOP.isInserting()) {
                    // we can just return the value now and attach later (in InsertRequest)
                    if (!ec.getBooleanProperty(PropertyNames.PROPERTY_ATTACH_SAME_DATASTORE)) {
                        if (ec.getObjectFromCache(api.getIdForObject(value)) != null) {
                        // Object is in cache so exists for this datastore, so no point checking
                        } else {
                            try {
                                Object obj = ec.findObject(api.getIdForObject(value), true, false, value.getClass().getName());
                                if (obj != null) {
                                    // Make sure this object is not retained in cache etc
                                    ObjectProvider objOP = ec.findObjectProvider(obj);
                                    if (objOP != null) {
                                        ec.evictFromTransaction(objOP);
                                    }
                                    ec.removeObjectFromLevel1Cache(api.getIdForObject(value));
                                }
                            } catch (NucleusObjectNotFoundException onfe) {
                                // Object doesn't yet exist
                                requiresPersisting = true;
                            }
                        }
                    }
                } else {
                    requiresPersisting = true;
                }
            } else if (id == null) {
                // Transient object, so we need to persist it
                requiresPersisting = true;
            } else {
                ExecutionContext pcEC = ec.getApiAdapter().getExecutionContext(value);
                if (pcEC != null && ec != pcEC) {
                    throw new NucleusUserException(Localiser.msg("041015"), id);
                }
            }
            if (requiresPersisting) {
                // This PC object needs persisting (new or detached) to do the "set"
                if (mmd != null && !mmd.isCascadePersist() && !ec.getApiAdapter().isDetached(value)) {
                    // Related PC object not persistent, but cant do cascade-persist so throw exception
                    if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
                        NucleusLogger.PERSISTENCE.debug(Localiser.msg("007006", mmd.getFullFieldName()));
                    }
                    throw new ReachableObjectNotCascadedException(mmd.getFullFieldName(), value);
                }
                if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
                    NucleusLogger.PERSISTENCE.debug(Localiser.msg("007007", mmd != null ? mmd.getFullFieldName() : null));
                }
                try {
                    Object pcNew = ec.persistObjectInternal(value, null, -1, ObjectProvider.PC);
                    if (hasDatastoreAttributedPrimaryKeyValues) {
                        ec.flushInternal(false);
                    }
                    id = api.getIdForObject(pcNew);
                    if (ec.getApiAdapter().isDetached(value) && ownerOP != null && mmd != null) {
                        // Update any detached reference to refer to the attached variant
                        ownerOP.replaceFieldMakeDirty(ownerFieldNumber, pcNew);
                        RelationType relationType = mmd.getRelationType(clr);
                        if (relationType == RelationType.MANY_TO_ONE_BI) {
                            // TODO Update the container to refer to the attached object
                            if (NucleusLogger.PERSISTENCE.isInfoEnabled()) {
                                NucleusLogger.PERSISTENCE.info("PCMapping.setObject : object " + ownerOP.getInternalObjectId() + " has field " + ownerFieldNumber + " that is 1-N bidirectional." + " Have just attached the N side so should really update the reference in the 1 side collection" + " to refer to this attached object. Not yet implemented");
                            }
                        } else if (relationType == RelationType.ONE_TO_ONE_BI) {
                            AbstractMemberMetaData[] relatedMmds = mmd.getRelatedMemberMetaData(clr);
                            // TODO Cater for more than 1 related field
                            ObjectProvider relatedOP = ec.findObjectProvider(pcNew);
                            relatedOP.replaceFieldMakeDirty(relatedMmds[0].getAbsoluteFieldNumber(), ownerOP.getObject());
                        }
                    }
                } catch (NotYetFlushedException e) {
                    setObjectAsNull(ec, ps, param);
                    throw new NotYetFlushedException(value);
                }
            }
            if (valueOP != null) {
                valueOP.setStoringPC();
            }
            // If the field doesn't map to any datastore fields (e.g remote FK), omit the set process
            if (getNumberOfDatastoreMappings() > 0) {
                if (IdentityUtils.isDatastoreIdentity(id)) {
                    Object idKey = IdentityUtils.getTargetKeyForDatastoreIdentity(id);
                    try {
                        // Try as a Long
                        getDatastoreMapping(0).setObject(ps, param[0], idKey);
                    } catch (Exception e) {
                        // Must be a String
                        getDatastoreMapping(0).setObject(ps, param[0], idKey.toString());
                    }
                } else {
                    boolean fieldsSet = false;
                    if (IdentityUtils.isSingleFieldIdentity(id) && javaTypeMappings.length > 1) {
                        Object key = IdentityUtils.getTargetKeyForSingleFieldIdentity(id);
                        AbstractClassMetaData keyCmd = ec.getMetaDataManager().getMetaDataForClass(key.getClass(), clr);
                        if (keyCmd != null && keyCmd.getIdentityType() == IdentityType.NONDURABLE) {
                            // Embedded ID - Make sure these are called starting at lowest first, in order
                            // We cannot just call OP.provideFields with all fields since that does last first
                            ObjectProvider keyOP = ec.findObjectProvider(key);
                            int[] fieldNums = keyCmd.getAllMemberPositions();
                            FieldManager fm = new AppIDObjectIdFieldManager(param, ec, ps, javaTypeMappings);
                            for (int i = 0; i < fieldNums.length; i++) {
                                keyOP.provideFields(new int[] { fieldNums[i] }, fm);
                            }
                            fieldsSet = true;
                        }
                    }
                    if (!fieldsSet) {
                        // Copy PK fields from identity to the object
                        FieldManager fm = new AppIDObjectIdFieldManager(param, ec, ps, javaTypeMappings);
                        api.copyKeyFieldsFromIdToObject(value, new AppIdObjectIdFieldConsumer(api, fm), id);
                    }
                }
            }
        } else {
            if (valueOP != null) {
                valueOP.setStoringPC();
            }
            if (getNumberOfDatastoreMappings() > 0) {
                // Object is in the process of being inserted so we cant use its id currently and we need to store
                // a foreign key to it (which we cant yet do). Just put "null" in and throw "NotYetFlushedException",
                // to be caught by ParameterSetter and will signal to the PC object being inserted that it needs
                // to inform this object when it is inserted.
                setObjectAsNull(ec, ps, param);
                throw new NotYetFlushedException(value);
            }
        }
    } finally {
        if (valueOP != null) {
            valueOP.unsetStoringPC();
        }
    }
}

Example 3 with NucleusException

use of org.datanucleus.exceptions.NucleusException in project datanucleus-rdbms by datanucleus.

the class FKArrayStore method iterator.

/**
 * Accessor for an iterator for the set.
 * @param ownerOP ObjectProvider for the set.
 * @return Iterator for the set.
 */
public Iterator<E> iterator(ObjectProvider ownerOP) {
    ExecutionContext ec = ownerOP.getExecutionContext();
    if (elementInfo == null || elementInfo.length == 0) {
        return null;
    }
    // Generate the statement, and statement mapping/parameter information
    IteratorStatement iterStmt = getIteratorStatement(ownerOP.getExecutionContext(), ownerOP.getExecutionContext().getFetchPlan(), true);
    SelectStatement sqlStmt = iterStmt.getSelectStatement();
    StatementClassMapping iteratorMappingDef = iterStmt.getStatementClassMapping();
    // Input parameter(s) - the owner
    int inputParamNum = 1;
    StatementMappingIndex ownerIdx = new StatementMappingIndex(ownerMapping);
    if (sqlStmt.getNumberOfUnions() > 0) {
        // Add parameter occurrence for each union of statement
        for (int j = 0; j < sqlStmt.getNumberOfUnions() + 1; j++) {
            int[] paramPositions = new int[ownerMapping.getNumberOfDatastoreMappings()];
            for (int k = 0; k < ownerMapping.getNumberOfDatastoreMappings(); k++) {
                paramPositions[k] = inputParamNum++;
            }
            ownerIdx.addParameterOccurrence(paramPositions);
        }
    } else {
        int[] paramPositions = new int[ownerMapping.getNumberOfDatastoreMappings()];
        for (int k = 0; k < ownerMapping.getNumberOfDatastoreMappings(); k++) {
            paramPositions[k] = inputParamNum++;
        }
        ownerIdx.addParameterOccurrence(paramPositions);
    }
    StatementParameterMapping iteratorMappingParams = new StatementParameterMapping();
    iteratorMappingParams.addMappingForParameter("owner", ownerIdx);
    if (ec.getTransaction().getSerializeRead() != null && ec.getTransaction().getSerializeRead()) {
        sqlStmt.addExtension(SQLStatement.EXTENSION_LOCK_FOR_UPDATE, true);
    }
    String stmt = sqlStmt.getSQLText().toSQL();
    try {
        ManagedConnection mconn = storeMgr.getConnectionManager().getConnection(ec);
        SQLController sqlControl = storeMgr.getSQLController();
        try {
            // Create the statement
            PreparedStatement ps = sqlControl.getStatementForQuery(mconn, stmt);
            // Set the owner
            ObjectProvider stmtOwnerOP = BackingStoreHelper.getOwnerObjectProviderForBackingStore(ownerOP);
            int numParams = ownerIdx.getNumberOfParameterOccurrences();
            for (int paramInstance = 0; paramInstance < numParams; paramInstance++) {
                ownerIdx.getMapping().setObject(ec, ps, ownerIdx.getParameterPositionsForOccurrence(paramInstance), stmtOwnerOP.getObject());
            }
            try {
                ResultSet rs = sqlControl.executeStatementQuery(ec, mconn, stmt, ps);
                try {
                    ResultObjectFactory rof = null;
                    if (elementsAreEmbedded || elementsAreSerialised) {
                        throw new NucleusException("Cannot have FK array with non-persistent objects");
                    }
                    rof = new PersistentClassROF(ec, rs, false, iteratorMappingDef, elementCmd, clr.classForName(elementType));
                    return new ArrayStoreIterator(ownerOP, rs, rof, this);
                } finally {
                    rs.close();
                }
            } finally {
                sqlControl.closeStatement(mconn, ps);
            }
        } finally {
            mconn.release();
        }
    } catch (SQLException | MappedDatastoreException e) {
        throw new NucleusDataStoreException(Localiser.msg("056006", stmt), e);
    }
}

Example 4 with NucleusException

use of org.datanucleus.exceptions.NucleusException in project datanucleus-rdbms by datanucleus.

the class FKListStore method listIterator.

/**
 * Accessor for an iterator through the list elements.
 * @param ownerOP ObjectProvider for the owner.
 * @param startIdx The start index in the list (only for indexed lists)
 * @param endIdx The end index in the list (only for indexed lists)
 * @return The List Iterator
 */
protected ListIterator<E> listIterator(ObjectProvider ownerOP, int startIdx, int endIdx) {
    ExecutionContext ec = ownerOP.getExecutionContext();
    Transaction tx = ec.getTransaction();
    if (elementInfo == null || elementInfo.length == 0) {
        return null;
    }
    // Generate the statement. Note that this is not cached since depends on the current FetchPlan and other things
    IteratorStatement iterStmt = getIteratorStatement(ownerOP.getExecutionContext(), ec.getFetchPlan(), true, startIdx, endIdx);
    SelectStatement sqlStmt = iterStmt.getSelectStatement();
    StatementClassMapping resultMapping = iterStmt.getStatementClassMapping();
    // Input parameter(s) - the owner
    int inputParamNum = 1;
    StatementMappingIndex ownerIdx = new StatementMappingIndex(ownerMapping);
    if (sqlStmt.getNumberOfUnions() > 0) {
        // Add parameter occurrence for each union of statement
        for (int j = 0; j < sqlStmt.getNumberOfUnions() + 1; j++) {
            int[] paramPositions = new int[ownerMapping.getNumberOfDatastoreMappings()];
            for (int k = 0; k < ownerMapping.getNumberOfDatastoreMappings(); k++) {
                paramPositions[k] = inputParamNum++;
            }
            ownerIdx.addParameterOccurrence(paramPositions);
        }
    } else {
        int[] paramPositions = new int[ownerMapping.getNumberOfDatastoreMappings()];
        for (int k = 0; k < ownerMapping.getNumberOfDatastoreMappings(); k++) {
            paramPositions[k] = inputParamNum++;
        }
        ownerIdx.addParameterOccurrence(paramPositions);
    }
    if (tx.getSerializeRead() != null && tx.getSerializeRead()) {
        sqlStmt.addExtension(SQLStatement.EXTENSION_LOCK_FOR_UPDATE, true);
    }
    String stmt = sqlStmt.getSQLText().toSQL();
    try {
        ManagedConnection mconn = storeMgr.getConnectionManager().getConnection(ec);
        SQLController sqlControl = storeMgr.getSQLController();
        try {
            // Create the statement
            PreparedStatement ps = sqlControl.getStatementForQuery(mconn, stmt);
            // Set the owner
            ObjectProvider stmtOwnerOP = BackingStoreHelper.getOwnerObjectProviderForBackingStore(ownerOP);
            int numParams = ownerIdx.getNumberOfParameterOccurrences();
            for (int paramInstance = 0; paramInstance < numParams; paramInstance++) {
                ownerIdx.getMapping().setObject(ec, ps, ownerIdx.getParameterPositionsForOccurrence(paramInstance), stmtOwnerOP.getObject());
            }
            try {
                ResultSet rs = sqlControl.executeStatementQuery(ec, mconn, stmt, ps);
                try {
                    ResultObjectFactory rof = null;
                    if (elementsAreEmbedded || elementsAreSerialised) {
                        throw new NucleusException("Cannot have FK set with non-persistent objects");
                    }
                    rof = new PersistentClassROF(ec, rs, false, resultMapping, elementCmd, clr.classForName(elementType));
                    return new ListStoreIterator(ownerOP, rs, rof, this);
                } finally {
                    rs.close();
                }
            } finally {
                sqlControl.closeStatement(mconn, ps);
            }
        } finally {
            mconn.release();
        }
    } catch (SQLException | MappedDatastoreException e) {
        throw new NucleusDataStoreException(Localiser.msg("056006", stmt), e);
    }
}

Example 5 with NucleusException

use of org.datanucleus.exceptions.NucleusException in project datanucleus-rdbms by datanucleus.

the class UpdateRequest method execute.

/**
 * Method performing the update of the record in the datastore.
 * Takes the constructed update query and populates with the specific record information.
 * @param op The ObjectProvider for the record to be updated
 */
public void execute(ObjectProvider op) {
    // Choose the statement based on whether optimistic or not
    String stmt = null;
    ExecutionContext ec = op.getExecutionContext();
    boolean optimisticChecks = (versionMetaData != null && ec.getTransaction().getOptimistic() && versionChecks);
    stmt = optimisticChecks ? updateStmtOptimistic : updateStmt;
    if (stmt != null) {
        // TODO Support surrogate update user/timestamp
        AbstractMemberMetaData[] mmds = cmd.getManagedMembers();
        for (int i = 0; i < mmds.length; i++) {
            if (// TODO Make this accessible from cmd
            mmds[i].isUpdateTimestamp()) {
                op.replaceField(mmds[i].getAbsoluteFieldNumber(), new Timestamp(ec.getTransaction().getIsActive() ? ec.getTransaction().getBeginTime() : System.currentTimeMillis()));
            } else if (// TODO Make this accessible from cmd
            mmds[i].isUpdateUser()) {
                op.replaceField(mmds[i].getAbsoluteFieldNumber(), ec.getNucleusContext().getCurrentUser(ec));
            }
        }
        if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
            // Debug info about fields being updated
            StringBuilder fieldStr = new StringBuilder();
            if (updateFieldNumbers != null) {
                for (int i = 0; i < updateFieldNumbers.length; i++) {
                    if (fieldStr.length() > 0) {
                        fieldStr.append(",");
                    }
                    fieldStr.append(cmd.getMetaDataForManagedMemberAtAbsolutePosition(updateFieldNumbers[i]).getName());
                }
            }
            if (versionMetaData != null && versionMetaData.getFieldName() == null) {
                if (fieldStr.length() > 0) {
                    fieldStr.append(",");
                }
                fieldStr.append("[VERSION]");
            }
            // Debug information about what we are updating
            NucleusLogger.PERSISTENCE.debug(Localiser.msg("052214", op.getObjectAsPrintable(), fieldStr.toString(), table));
        }
        RDBMSStoreManager storeMgr = table.getStoreManager();
        boolean batch = false;
        // TODO Set the batch flag based on whether we have no other SQL being invoked in here just our UPDATE
        try {
            ManagedConnection mconn = storeMgr.getConnectionManager().getConnection(ec);
            SQLController sqlControl = storeMgr.getSQLController();
            try {
                // Perform the update
                PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, stmt, batch);
                try {
                    Object currentVersion = op.getTransactionalVersion();
                    Object nextVersion = null;
                    if (// TODO What if strategy is NONE?
                    versionMetaData != null) {
                        // Set the next version in the object
                        if (versionMetaData.getFieldName() != null) {
                            // Version field
                            AbstractMemberMetaData verfmd = cmd.getMetaDataForMember(table.getVersionMetaData().getFieldName());
                            if (currentVersion instanceof Number) {
                                // Cater for Integer-based versions
                                currentVersion = Long.valueOf(((Number) currentVersion).longValue());
                            }
                            nextVersion = ec.getLockManager().getNextVersion(versionMetaData, currentVersion);
                            if (verfmd.getType() == Integer.class || verfmd.getType() == int.class) {
                                // Cater for Integer-based versions
                                nextVersion = Integer.valueOf(((Number) nextVersion).intValue());
                            }
                            op.replaceField(verfmd.getAbsoluteFieldNumber(), nextVersion);
                        } else {
                            // Surrogate version column
                            nextVersion = ec.getLockManager().getNextVersion(versionMetaData, currentVersion);
                        }
                        op.setTransactionalVersion(nextVersion);
                    }
                    // SELECT clause - set the required fields to be updated
                    if (updateFieldNumbers != null) {
                        StatementClassMapping mappingDefinition = new StatementClassMapping();
                        StatementMappingIndex[] idxs = stmtMappingDefinition.getUpdateFields();
                        for (int i = 0; i < idxs.length; i++) {
                            if (idxs[i] != null) {
                                mappingDefinition.addMappingForMember(i, idxs[i]);
                            }
                        }
                        op.provideFields(updateFieldNumbers, new ParameterSetter(op, ps, mappingDefinition));
                    }
                    if (versionMetaData != null && versionMetaData.getFieldName() == null) {
                        // SELECT clause - set the surrogate version column to the new version
                        StatementMappingIndex mapIdx = stmtMappingDefinition.getUpdateVersion();
                        for (int i = 0; i < mapIdx.getNumberOfParameterOccurrences(); i++) {
                            table.getSurrogateMapping(SurrogateColumnType.VERSION, false).setObject(ec, ps, mapIdx.getParameterPositionsForOccurrence(i), nextVersion);
                        }
                    }
                    // WHERE clause - primary key fields
                    if (table.getIdentityType() == IdentityType.DATASTORE) {
                        // a). datastore identity
                        StatementMappingIndex mapIdx = stmtMappingDefinition.getWhereDatastoreId();
                        for (int i = 0; i < mapIdx.getNumberOfParameterOccurrences(); i++) {
                            table.getSurrogateMapping(SurrogateColumnType.DATASTORE_ID, false).setObject(ec, ps, mapIdx.getParameterPositionsForOccurrence(i), op.getInternalObjectId());
                        }
                    } else {
                        // b). application/nondurable identity
                        StatementClassMapping mappingDefinition = new StatementClassMapping();
                        StatementMappingIndex[] idxs = stmtMappingDefinition.getWhereFields();
                        for (int i = 0; i < idxs.length; i++) {
                            if (idxs[i] != null) {
                                mappingDefinition.addMappingForMember(i, idxs[i]);
                            }
                        }
                        FieldManager fm = null;
                        if (cmd.getIdentityType() == IdentityType.NONDURABLE) {
                            fm = new OldValueParameterSetter(op, ps, mappingDefinition);
                        } else {
                            fm = new ParameterSetter(op, ps, mappingDefinition);
                        }
                        op.provideFields(whereFieldNumbers, fm);
                    }
                    if (optimisticChecks) {
                        if (currentVersion == null) {
                            // Somehow the version is not set on this object (not read in ?) so report the bug
                            String msg = Localiser.msg("052201", op.getInternalObjectId(), table);
                            NucleusLogger.PERSISTENCE.error(msg);
                            throw new NucleusException(msg);
                        }
                        // WHERE clause - current version discriminator
                        StatementMappingIndex mapIdx = stmtMappingDefinition.getWhereVersion();
                        for (int i = 0; i < mapIdx.getNumberOfParameterOccurrences(); i++) {
                            mapIdx.getMapping().setObject(ec, ps, mapIdx.getParameterPositionsForOccurrence(i), currentVersion);
                        }
                    }
                    int[] rcs = sqlControl.executeStatementUpdate(ec, mconn, stmt, ps, !batch);
                    if (rcs[0] == 0 && optimisticChecks) {
                        // TODO Batching : when we use batching here we need to process these somehow
                        throw new NucleusOptimisticException(Localiser.msg("052203", op.getObjectAsPrintable(), op.getInternalObjectId(), "" + currentVersion), op.getObject());
                    }
                } finally {
                    sqlControl.closeStatement(mconn, ps);
                }
            } finally {
                mconn.release();
            }
        } catch (SQLException e) {
            String msg = Localiser.msg("052215", op.getObjectAsPrintable(), stmt, StringUtils.getStringFromStackTrace(e));
            NucleusLogger.DATASTORE_PERSIST.error(msg);
            List exceptions = new ArrayList();
            exceptions.add(e);
            while ((e = e.getNextException()) != null) {
                exceptions.add(e);
            }
            throw new NucleusDataStoreException(msg, (Throwable[]) exceptions.toArray(new Throwable[exceptions.size()]));
        }
    }
    // Execute any mapping actions now that we have done the update
    for (int i = 0; i < callbacks.length; ++i) {
        try {
            if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
                NucleusLogger.PERSISTENCE.debug(Localiser.msg("052216", op.getObjectAsPrintable(), ((JavaTypeMapping) callbacks[i]).getMemberMetaData().getFullFieldName()));
            }
            callbacks[i].postUpdate(op);
        } catch (NotYetFlushedException e) {
            op.updateFieldAfterInsert(e.getPersistable(), ((JavaTypeMapping) callbacks[i]).getMemberMetaData().getAbsoluteFieldNumber());
        }
    }
}