Package com.objy.db

Provides exception and support classes.

See:
Description

Class Summary

Objectivity

Support class for obtaining information about the current release of Objectivity for Java.

Exception Summary

CannotUpgradeLockException	Signals an attempt to upgrade a read lock to a write lock during an MROW transaction when another client has modified the object.
DatabaseClosedException	Signals that the connection to the federated database was closed during an operation that requires the connection to be open.
DatabaseIsReadOnlyException	Signals an attempt to modify a federated database when the connection is open for read-only access.
DatabaseNotFoundException	Signals an attempt to open a connection to a federated database that does not exist.
DatabaseOpenException	Signals an attempt to open a connection to a federated database when the connection is already open.
FetchCompletedWithErrors	Signals that a fetch operation did not complete successfully.
FetchFailedException	Deprecated. Use FetchCompletedWithErrors.
IsolationException	Signals an attempt to perform a persistence operation involving objects that belong to different sessions.
JavaClassNotFoundException	Signals an attempt to get a class whose name is not found.
JavaTypeNMismatchException	Signals an attempt to fetch or write an object whose Java class does not match its Objectivity/DB type number.
LockNotGrantedException	Signals a failure to obtain a requested lock.
NonPersistentClassException	Signals an attempt to use a class that is not persistence capable in a context that requires a persistence-capable class.
NotJoinedException	Signals an attempt to perform an operation that requires a thread to be joined to a session or ODMG transaction when the thread is not joined to the appropriate session or ODMG transaction.
ObjectAlreadyPersistentException	Signals an attempt to make an object persistent that is already persistent.
ObjectIsDeadException	Signals an attempt to perform an operation on a dead object.
ObjectNameNotFoundException	Signals an attempt to look up an object by a root name that cannot be found.
ObjectNameNotUniqueException	Signals an attempt to assign a root name to an object when that name is already assigned to an object in the same database or federated database.
ObjectNotFoundException	Signals an attempt to reference an object identifier for which there is no persistent object.
ObjectNotPersistentException	Signals an attempt to perform a persistence operation on a transient object that can only be performed on a persistent object.
ObjyException	Superclass for all Objectivity/DB checked exceptions.
ObjyRuntimeException	Superclass for all Objectivity/DB unchecked exceptions.
ObjySchemaException	Signals the misuse of a class description in the schema, for example, an attempt to use a class description that does not exist.
ODMGException	Superclass for all standard ODMG checked exceptions.
ODMGRuntimeException	Superclass for all standard ODMG unchecked exceptions.
QueryParameterCountInvalidException	Signals an attempt to use a predicate query whose number of bound parameters does not equal the number of placeholders.
QueryParameterTypeInvalidException	Signals an attempt to use a predicate query with a parameter whose type is not compatible with the expected parameter type.
TransactionAbortedException	Signals that Objectivity/DB has asynchronously terminated the application's transaction due to a deadlock, resource failure, and so on.
TransactionInProgressException	Signals that a transaction is in progress during an operation that must be performed when no transaction is in progress.
TransactionNotInProgressException	Signals that a transaction is not in progress during an operation that must be performed during a transaction.

Error Summary

ObjyError

Reserved for internal use.

Package com.objy.db Description

Provides exception and support classes.

For information about working with exceptions, see Exceptions.