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

Example 31 with NucleusUserException

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

the class MultiPersistableMapping method setObject.

/**
 * Sets the specified positions in the PreparedStatement associated with this field, and value.
 * If the number of positions in "pos" is not the same as the number of datastore mappings then it is assumed
 * that we should only set the positions for the real implementation FK; this happens where we have a statement
 * like "... WHERE IMPL1_ID_OID = ? AND IMPL2_ID_OID IS NULL" so we need to filter on the other implementations
 * being null and only want to input parameter(s) for the real implementation of "value".
 * @param ec execution context
 * @param ps a datastore object that executes statements in the database
 * @param pos The position(s) of the PreparedStatement to populate
 * @param value the value stored in this field
 * @param ownerOP the owner ObjectProvider
 * @param ownerFieldNumber the owner absolute field number
 */
public void setObject(ExecutionContext ec, PreparedStatement ps, int[] pos, Object value, ObjectProvider ownerOP, int ownerFieldNumber) {
    boolean setValueFKOnly = false;
    if (pos != null && pos.length < getNumberOfDatastoreMappings()) {
        setValueFKOnly = true;
    }
    // Make sure that this field has a sub-mapping appropriate for the specified value
    int javaTypeMappingNumber = getMappingNumberForValue(ec, value);
    if (value != null && javaTypeMappingNumber == -1) {
        // TODO Change this to a multiple field mapping localised message
        throw new ClassCastException(Localiser.msg("041044", mmd != null ? mmd.getFullFieldName() : "", getType(), value.getClass().getName()));
    }
    if (value != null) {
        ApiAdapter api = ec.getApiAdapter();
        ClassLoaderResolver clr = ec.getClassLoaderResolver();
        // Make sure the value is persisted if it is persistable in its own right
        if (!ec.isInserting(value)) {
            // Object either already exists, or is not yet being inserted.
            Object id = api.getIdForObject(value);
            // Check if the persistable exists in this datastore
            boolean requiresPersisting = false;
            if (ec.getApiAdapter().isDetached(value) && ownerOP != null) {
                // Detached object that needs attaching (or persisting if detached from a different datastore)
                requiresPersisting = true;
            } else if (id == null) {
                // Transient object, so we need to persist it
                requiresPersisting = true;
            } else {
                ExecutionContext valueEC = api.getExecutionContext(value);
                if (valueEC != null && ec != valueEC) {
                    throw new NucleusUserException(Localiser.msg("041015"), id);
                }
            }
            if (requiresPersisting) {
                // The object is either not yet persistent or is detached and so needs attaching
                Object pcNew = ec.persistObjectInternal(value, null, -1, ObjectProvider.PC);
                ec.flushInternal(false);
                id = api.getIdForObject(pcNew);
                if (ec.getApiAdapter().isDetached(value) && ownerOP != null) {
                    // Update any detached reference to refer to the attached variant
                    ownerOP.replaceFieldMakeDirty(ownerFieldNumber, pcNew);
                    if (mmd != null) {
                        RelationType relationType = mmd.getRelationType(clr);
                        if (relationType == RelationType.ONE_TO_ONE_BI) {
                            ObjectProvider relatedSM = ec.findObjectProvider(pcNew);
                            AbstractMemberMetaData[] relatedMmds = mmd.getRelatedMemberMetaData(clr);
                            // TODO Allow for multiple related fields
                            relatedSM.replaceFieldMakeDirty(relatedMmds[0].getAbsoluteFieldNumber(), ownerOP.getObject());
                        } else if (relationType == RelationType.MANY_TO_ONE_BI) {
                            // TODO Update the container element with the attached variant
                            if (NucleusLogger.PERSISTENCE.isDebugEnabled()) {
                                NucleusLogger.PERSISTENCE.debug("PCMapping.setObject : object " + ownerOP.getInternalObjectId() + " has field " + ownerFieldNumber + " that is 1-N bidirectional - should really update the reference in the relation. Not yet supported");
                            }
                        }
                    }
                }
            }
            if (getNumberOfDatastoreMappings() <= 0) {
                // If the field doesn't map to any datastore fields, omit the set process
                return;
            }
        }
    }
    if (pos == null) {
        return;
    }
    ObjectProvider op = (value != null ? ec.findObjectProvider(value) : null);
    try {
        if (op != null) {
            op.setStoringPC();
        }
        int n = 0;
        NotYetFlushedException notYetFlushed = null;
        for (int i = 0; i < javaTypeMappings.length; i++) {
            // Set the PreparedStatement positions for this implementation mapping
            int[] posMapping;
            if (setValueFKOnly) {
                // Only using first "pos" value(s)
                n = 0;
            } else if (n >= pos.length) {
                // store all implementations to the same columns, so we reset the index
                n = 0;
            }
            if (javaTypeMappings[i].getReferenceMapping() != null) {
                posMapping = new int[javaTypeMappings[i].getReferenceMapping().getNumberOfDatastoreMappings()];
            } else {
                posMapping = new int[javaTypeMappings[i].getNumberOfDatastoreMappings()];
            }
            for (int j = 0; j < posMapping.length; j++) {
                posMapping[j] = pos[n++];
            }
            try {
                if (javaTypeMappingNumber == -2 || (value != null && javaTypeMappingNumber == i)) {
                    // This mapping is where the value is to be stored, or using persistent interfaces
                    javaTypeMappings[i].setObject(ec, ps, posMapping, value);
                } else if (!setValueFKOnly) {
                    // Set null for this mapping, since the value is null or is for something else
                    javaTypeMappings[i].setObject(ec, ps, posMapping, null);
                }
            } catch (NotYetFlushedException e) {
                notYetFlushed = e;
            }
        }
        if (notYetFlushed != null) {
            throw notYetFlushed;
        }
    } finally {
        if (op != null) {
            op.unsetStoringPC();
        }
    }
}

Example 32 with NucleusUserException

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

the class TypeConverterMultiMapping method initialize.

public void initialize(AbstractMemberMetaData mmd, Table table, ClassLoaderResolver clr, TypeConverter conv) {
    super.initialize(mmd, table, clr);
    if (mmd.getTypeConverterName() != null) {
        // Use specified converter (if found)
        converter = table.getStoreManager().getNucleusContext().getTypeManager().getTypeConverterForName(mmd.getTypeConverterName());
        if (converter == null) {
            throw new NucleusUserException(Localiser.msg("044062", mmd.getFullFieldName(), mmd.getTypeConverterName()));
        }
    } else if (conv != null) {
        converter = conv;
    } else {
        throw new NucleusUserException("Unable to initialise mapping of type " + getClass().getName() + " for field " + mmd.getFullFieldName() + " since no TypeConverter was provided");
    }
    if (!(converter instanceof MultiColumnConverter)) {
        throw new NucleusUserException("Not able to use " + getClass().getName() + " for field " + mmd.getFullFieldName() + " since provided TypeConverter " + converter + " does not implement MultiColumnConverter");
    }
    // Add columns for this converter
    MultiColumnConverter multiConv = (MultiColumnConverter) converter;
    Class[] colTypes = multiConv.getDatastoreColumnTypes();
    for (int i = 0; i < colTypes.length; i++) {
        addColumns(colTypes[i].getName());
    }
}

Example 33 with NucleusUserException

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

the class FKListStore method validateElementForWriting.

/**
 * Method to validate that an element is valid for writing to the datastore.
 * TODO Minimise differences to super.validateElementForWriting()
 * @param op ObjectProvider for the List
 * @param element The element to validate
 * @param index The position that the element is being stored at in the list
 * @return Whether the element was inserted
 */
protected boolean validateElementForWriting(final ObjectProvider op, final Object element, final int index) {
    final Object newOwner = op.getObject();
    ComponentInfo info = getComponentInfoForElement(element);
    final DatastoreClass elementTable;
    if (storeMgr.getNucleusContext().getMetaDataManager().isPersistentInterface(elementType)) {
        elementTable = storeMgr.getDatastoreClass(storeMgr.getNucleusContext().getMetaDataManager().getImplementationNameForPersistentInterface(elementType), clr);
    } else {
        elementTable = storeMgr.getDatastoreClass(element.getClass().getName(), clr);
    }
    final JavaTypeMapping orderMapping;
    if (info != null) {
        orderMapping = info.getDatastoreClass().getExternalMapping(ownerMemberMetaData, MappingType.EXTERNAL_INDEX);
    } else {
        orderMapping = this.orderMapping;
    }
    // Check if element is ok for use in the datastore, specifying any external mappings that may be required
    boolean inserted = super.validateElementForWriting(op.getExecutionContext(), element, new FieldValues() {

        public void fetchFields(ObjectProvider elemOP) {
            // Find the (element) table storing the FK back to the owner
            if (elementTable != null) {
                JavaTypeMapping externalFKMapping = elementTable.getExternalMapping(ownerMemberMetaData, MappingType.EXTERNAL_FK);
                if (externalFKMapping != null) {
                    // The element has an external FK mapping so set the value it needs to use in the INSERT
                    elemOP.setAssociatedValue(externalFKMapping, op.getObject());
                }
                if (relationDiscriminatorMapping != null) {
                    elemOP.setAssociatedValue(relationDiscriminatorMapping, relationDiscriminatorValue);
                }
                if (orderMapping != null && index >= 0) {
                    if (ownerMemberMetaData.getOrderMetaData() != null && ownerMemberMetaData.getOrderMetaData().getMappedBy() != null) {
                        // Order is stored in a field in the element so update it
                        // We support mapped-by fields of types int/long/Integer/Long currently
                        Object indexValue = null;
                        if (orderMapping.getMemberMetaData().getTypeName().equals(ClassNameConstants.JAVA_LANG_LONG) || orderMapping.getMemberMetaData().getTypeName().equals(ClassNameConstants.LONG)) {
                            indexValue = Long.valueOf(index);
                        } else {
                            indexValue = Integer.valueOf(index);
                        }
                        elemOP.replaceFieldMakeDirty(orderMapping.getMemberMetaData().getAbsoluteFieldNumber(), indexValue);
                    } else {
                        // Order is stored in a surrogate column so save its vaue for the element to use later
                        elemOP.setAssociatedValue(orderMapping, Integer.valueOf(index));
                    }
                }
            }
            if (ownerMemberMetaData.getMappedBy() != null) {
                // TODO This is ManagedRelations - move into RelationshipManager
                // Managed Relations : 1-N bidir, so make sure owner is correct at persist
                // TODO Support DOT notation in mappedBy
                ObjectProvider ownerHolderOP = elemOP;
                int ownerFieldNumberInHolder = -1;
                if (ownerMemberMetaData.getMappedBy().indexOf('.') > 0) {
                    AbstractMemberMetaData otherMmd = null;
                    AbstractClassMetaData otherCmd = info.getAbstractClassMetaData();
                    String remainingMappedBy = ownerMemberMetaData.getMappedBy();
                    while (remainingMappedBy.indexOf('.') > 0) {
                        int dotPosition = remainingMappedBy.indexOf('.');
                        String thisMappedBy = remainingMappedBy.substring(0, dotPosition);
                        otherMmd = otherCmd.getMetaDataForMember(thisMappedBy);
                        Object holderValueAtField = ownerHolderOP.provideField(otherMmd.getAbsoluteFieldNumber());
                        ownerHolderOP = op.getExecutionContext().findObjectProviderForEmbedded(holderValueAtField, ownerHolderOP, otherMmd);
                        remainingMappedBy = remainingMappedBy.substring(dotPosition + 1);
                        otherCmd = storeMgr.getMetaDataManager().getMetaDataForClass(otherMmd.getTypeName(), clr);
                        if (remainingMappedBy.indexOf('.') < 0) {
                            otherMmd = otherCmd.getMetaDataForMember(remainingMappedBy);
                            ownerFieldNumberInHolder = otherMmd.getAbsoluteFieldNumber();
                        }
                    }
                } else {
                    ownerFieldNumberInHolder = info.getAbstractClassMetaData().getAbsolutePositionOfMember(ownerMemberMetaData.getMappedBy());
                }
                Object currentOwner = ownerHolderOP.provideField(ownerFieldNumberInHolder);
                if (currentOwner == null) {
                    // No owner, so correct it
                    NucleusLogger.PERSISTENCE.info(Localiser.msg("056037", op.getObjectAsPrintable(), ownerMemberMetaData.getFullFieldName(), StringUtils.toJVMIDString(ownerHolderOP.getObject())));
                    ownerHolderOP.replaceFieldMakeDirty(ownerFieldNumberInHolder, newOwner);
                } else if (currentOwner != newOwner && op.getReferencedPC() == null) {
                    // Inconsistent owner, so throw exception
                    throw new NucleusUserException(Localiser.msg("056038", op.getObjectAsPrintable(), ownerMemberMetaData.getFullFieldName(), StringUtils.toJVMIDString(ownerHolderOP.getObject()), StringUtils.toJVMIDString(currentOwner)));
                }
            }
        }

        public void fetchNonLoadedFields(ObjectProvider op) {
        }

        public FetchPlan getFetchPlanForLoading() {
            return null;
        }
    });
    return inserted;
}

Example 34 with NucleusUserException

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

the class JoinListStore method internalAdd.

/**
 * Internal method to add element(s) to the List.
 * Performs the add in 2 steps.
 * <ol>
 * <li>Shift all existing elements into their new positions so we can insert.</li>
 * <li>Insert all new elements directly at their desired positions</li>
 * </ol>
 * Both steps can be batched (separately).
 * @param op The ObjectProvider
 * @param start The start location (if required)
 * @param atEnd Whether to add the element at the end
 * @param c The collection of objects to add.
 * @param size Current size of list if known. -1 if not known
 * @return Whether it was successful
 */
protected boolean internalAdd(ObjectProvider op, int start, boolean atEnd, Collection<E> c, int size) {
    if (c == null || c.size() == 0) {
        return true;
    }
    if (relationType == RelationType.MANY_TO_MANY_BI && ownerMemberMetaData.getMappedBy() != null) {
        // M-N non-owner : don't add from this side to avoid duplicates
        return true;
    }
    // Calculate the amount we need to shift any existing elements by
    // This is used where inserting between existing elements and have to shift down all elements after the start point
    int shift = c.size();
    // check all elements are valid for persisting and exist (persistence-by-reachability)
    ExecutionContext ec = op.getExecutionContext();
    Iterator iter = c.iterator();
    while (iter.hasNext()) {
        Object element = iter.next();
        validateElementForWriting(ec, element, null);
        if (relationType == RelationType.ONE_TO_MANY_BI) {
            // TODO This is ManagedRelations - move into RelationshipManager
            ObjectProvider elementOP = ec.findObjectProvider(element);
            if (elementOP != null) {
                AbstractMemberMetaData[] relatedMmds = ownerMemberMetaData.getRelatedMemberMetaData(clr);
                // TODO Cater for more than 1 related field
                Object elementOwner = elementOP.provideField(relatedMmds[0].getAbsoluteFieldNumber());
                if (elementOwner == null) {
                    // No owner, so correct it
                    NucleusLogger.PERSISTENCE.info(Localiser.msg("056037", op.getObjectAsPrintable(), ownerMemberMetaData.getFullFieldName(), StringUtils.toJVMIDString(elementOP.getObject())));
                    elementOP.replaceField(relatedMmds[0].getAbsoluteFieldNumber(), op.getObject());
                } else if (elementOwner != op.getObject() && op.getReferencedPC() == null) {
                    // Inconsistent owner, so throw exception
                    throw new NucleusUserException(Localiser.msg("056038", op.getObjectAsPrintable(), ownerMemberMetaData.getFullFieldName(), StringUtils.toJVMIDString(elementOP.getObject()), StringUtils.toJVMIDString(elementOwner)));
                }
            }
        }
    }
    // Check what we have persistent already
    int currentListSize = 0;
    if (size < 0) {
        // Get the current size from the datastore
        currentListSize = size(op);
    } else {
        currentListSize = size;
    }
    // Check for dynamic schema updates prior to addition
    if (storeMgr.getBooleanObjectProperty(RDBMSPropertyNames.PROPERTY_RDBMS_DYNAMIC_SCHEMA_UPDATES).booleanValue()) {
        DynamicSchemaFieldManager dynamicSchemaFM = new DynamicSchemaFieldManager(storeMgr, op);
        dynamicSchemaFM.storeObjectField(getOwnerMemberMetaData().getAbsoluteFieldNumber(), c);
        if (dynamicSchemaFM.hasPerformedSchemaUpdates()) {
            invalidateAddStmt();
        }
    }
    String addStmt = getAddStmtForJoinTable();
    try {
        ManagedConnection mconn = storeMgr.getConnectionManager().getConnection(ec);
        SQLController sqlControl = storeMgr.getSQLController();
        try {
            // Shift any existing elements so that we can insert the new element(s) at their position
            if (!atEnd && start != currentListSize) {
                boolean batched = currentListSize - start > 0;
                for (int i = currentListSize - 1; i >= start; i--) {
                    // Shift the index for this row by "shift"
                    internalShift(op, mconn, batched, i, shift, (i == start));
                }
            } else {
                start = currentListSize;
            }
            // Insert the elements at their required location
            int jdbcPosition = 1;
            boolean batched = (c.size() > 1);
            Iterator elemIter = c.iterator();
            while (elemIter.hasNext()) {
                Object element = elemIter.next();
                PreparedStatement ps = sqlControl.getStatementForUpdate(mconn, addStmt, batched);
                try {
                    jdbcPosition = 1;
                    jdbcPosition = BackingStoreHelper.populateOwnerInStatement(op, ec, ps, jdbcPosition, this);
                    jdbcPosition = BackingStoreHelper.populateElementInStatement(ec, ps, element, jdbcPosition, elementMapping);
                    if (orderMapping != null) {
                        jdbcPosition = BackingStoreHelper.populateOrderInStatement(ec, ps, start, jdbcPosition, orderMapping);
                    }
                    if (relationDiscriminatorMapping != null) {
                        jdbcPosition = BackingStoreHelper.populateRelationDiscriminatorInStatement(ec, ps, jdbcPosition, this);
                    }
                    start++;
                    // Execute the statement
                    sqlControl.executeStatementUpdate(ec, mconn, addStmt, ps, !iter.hasNext());
                } finally {
                    sqlControl.closeStatement(mconn, ps);
                }
            }
        } finally {
            mconn.release();
        }
    } catch (SQLException | MappedDatastoreException e) {
        throw new NucleusDataStoreException(Localiser.msg("056009", addStmt), e);
    }
    return true;
}

Example 35 with NucleusUserException

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

the class ElementContainerStore method validateElementForWriting.

/**
 * Method to check if an element is already persistent, or is managed by a different ExecutionContext. If not persistent, this will persist it.
 * @param ec execution context
 * @param element The element
 * @param fieldValues any initial field values to use if persisting the element
 * @return Whether the element was persisted during this call
 */
protected boolean validateElementForWriting(ExecutionContext ec, Object element, FieldValues fieldValues) {
    // Check the element type for this collection
    if (!elementIsPersistentInterface && !validateElementType(ec.getClassLoaderResolver(), element)) {
        throw new ClassCastException(Localiser.msg("056033", element.getClass().getName(), ownerMemberMetaData.getFullFieldName(), elementType));
    }
    boolean persisted = false;
    if (elementsAreEmbedded || elementsAreSerialised) {
    // Element is embedded/serialised so has no id
    } else {
        ObjectProvider elementSM = ec.findObjectProvider(element);
        if (elementSM != null && elementSM.isEmbedded()) {
            // Element is already with ObjectProvider and is embedded in another field!
            throw new NucleusUserException(Localiser.msg("056028", ownerMemberMetaData.getFullFieldName(), element));
        }
        persisted = SCOUtils.validateObjectForWriting(ec, element, fieldValues);
    }
    return persisted;
}