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## Package org.objectstyle.cayenne.access

Contains classes that make up Cayenne ORM stack.

See:
Description

Interface Summary
DataContextDelegate | Defines API for a DataContext "delegate" - an object that is temporarily passed control by DataContext at some critical points in the normal flow of execution.
DataContextFactory | An interface for creating DataContexts.
DataPortDelegate | Interface for callback and delegate methods allowing implementing classes to control various aspects of data porting via DataPort.
DbLoaderDelegate | DbLoaderDelegate defines API that allows to control the behavior of DbLoader during the database reverse-engineering.
OperationHints | Defines API that allows QueryEngine to obtain information about query execution strategy.
OperationObserver | Defines a set of callback methods that allow QueryEngine to pass back query results and notify caller about exceptions.
QueryEngine | Defines methods used to run Cayenne queries.
ResultIterator | Defines API of an iterator over the records returned as a result of SelectQuery execution.
TransactionDelegate | Defines callback methods for tracking and customizing Transactions execution.

Class Summary
ClientServerChannel | A DataChannel adapter that connects client ObjectContext children to a server ObjectContext.
ConnectionLogger | Adapts `QueryLogger` to be used as a `ConnectionEventLoggingDelegate` with Cayenne connection pools.
DataContext | Class that provides applications with access to Cayenne persistence features.
DataDomain | DataDomain performs query routing functions in Cayenne.
DataDomainLegacyQueryAction | DataDomain query action that relies on expernally provided OperationObserver to process the results.
DataNode | Describes a single physical data source.
DataPort | An engine to port data between two DataNodes.
DataRowStore | A fixed size cache of DataRows keyed by ObjectId.
DbGenerator | Utility class that generates database schema based on Cayenne mapping.
DbLoader | Utility class that does reverse engineering of the database.
DefaultResultIterator | Deprecated. Since 1.2 replaced by JDBCResultIterator.
IncrementalFaultList | A synchronized list that serves as a container of DataObjects.
ObjectStore | ObjectStore stores objects using their ObjectId as a key.
QueryLogger | QueryLogger is intended to log special events that happen whenever Cayenne interacts with a database.
QueryResult | QueryResult encapsulates a result of execution of zero or more queries using QueryEngine.
QueryTranslator | Defines API for translation Cayenne queries to JDBC PreparedStatements.
ToManyList | A list that holds objects for to-many relationships.
Transaction | A Cayenne transaction.

Exception Summary
DeleteDenyException | Deprecated. since 1.2 moved to org.objectstyle.cayenne package.
OptimisticLockException | An exception thrown on optimistic lock failure.

## Package org.objectstyle.cayenne.access Description

Contains classes that make up Cayenne ORM stack. Three main classes from top to bottom are DataContext, DataDomain and DataNode.

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