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See:
Description
Exception Summary | |
ClassDefinitionException | A ClassDefinitionException is thrown if the settings of a persistent class are inconsistent with it's metadata. |
DatastoreFieldDefinitionException | A ColumnDefinitionException is thrown if the settings of a database column are incompatible with the data type of the object field to which it is mapped. |
DatastoreInitialisationException | Representation of an error encountered initialising a datastore. |
DatastorePermissionException | Representation of a permission exception for a datastore. |
IncompatibleQueryElementTypeException | A IncompatibleQueryElementTypeException is thrown if a variable used in a query is detected to have an type incompatible with the element type of the collection to which it is being applied. |
NoDatastoreMappingException | A NoDatastoreMappingException is thrown if an operation is performed that assumes that a particular persistent field is stored in a single datastore field when it is not (such as if the field is a Collection or a Map). |
NoExtentException | A NoExtentException is thrown if an attempt is made to perform an operation using a class that is not backed by an extent (ie table or view) in the database and the operation is not supported on such classes. |
NoSuchPersistentFieldException | A NoSuchPersistentFieldException is thrown if a reference is made somewhere, such as in a query filter string, to a field that either doesn't exist or is not persistent. |
NoTableManagedException | A NoTableManagedException is thrown if an attempt is made to perform an operation using a class that is not backed by an table or view in the database and the operation is not supported on such classes. |
NotYetFlushedException | A NotYetFlushedException is thrown when an pc instance instance is not yet flushed to the datastore, but it was expected to already be |
NullValueException | A NullValueException is thrown if a null value is encountered in a database column that should prohibit null values. |
QueryNotUniqueException | This exception is thrown when a user runs a Query and has marked it as UNIQUE, but it returns more than 1 object. |
SchemaValidationException | A SchemaValidationException is thrown if a mismatch is discovered between what the JDO runtime thinks the schema should look like and what it actually looks like. |
TableMismatchException | A TableMismatchException is thrown if the query statement generator attempts to reference a column in a table expression but the column's table is not present in the expression, nor can it be sensibly joined to the expression. |
UnsupportedDataTypeException | A UnsupportedDataTypeException is thrown if an attempt is made to persist an object field whose data type is not supported by the database and/or the persistence package. |
Provides exceptions that can be thrown when communicating with the datastore.
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