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## Package org.apache.openjpa.jdbc.kernel

OpenJPA-JDBC Runtime Kernel

See:
Description

Interface Summary
EagerFetchModes | Eager fetch mode constants.
JDBCFetchConfiguration | JDBC extensions to OpenJPA's `FetchConfiguration`.
JDBCLockManager | Extension of the `LockManager` interface with methods for datastore locking during the select and load process.
JDBCSeq | Specialization of the the `Seq` interface to provide information on the schema needed by this sequence.
JDBCStore | Represents the JDBC store.
LRSSizes | Ways of calculating the size of large result sets.
PreparedStatementManager | Manages prepared statement execution.
UpdateManager | This interface is used to customize the way that updates are made to database records.

Class Summary
AbstractJDBCSavepointManager | Abstract `SavepointManager` implementation that delegates to the subclass for savepoint operations on the active `Connection`.
AbstractJDBCSeq | Abstract sequence implementation.
AbstractUpdateManager | Base update manager with common functionality.
AbstractUpdateManager.CustomMapping | Executes customized mapping updates.
BatchingConstraintUpdateManager | Batch update manager that writes the SQL in object-level operation order.
BatchingOperationOrderUpdateManager | Batch update manager that writes the SQL in object-level operation order.
BatchingPreparedStatementManagerImpl | Batch prepared statement manager implementation.
ClassTableJDBCSeq | Specialization of the `TableJDBCSeq` that maintains a separate sequence count per-class.
ConnectionInfo | Struct to hold data about the current connection state.
ConstraintUpdateManager | Standard update manager, capable of foreign key constraint evaluation.
DelegatingJDBCFetchConfiguration | Delegating fetch configuration that can also perform exception transation for use in facades.
FinderCacheImpl | Implementation of FinderCache for JDBC.
FinderQueryImpl | Implements Finder Query identified by ClassMappping for SelectExecutor that can be executed to generate Result.
GenericResultObjectProvider | Object provider implementation wrapped around a generic `Result`.
InstanceResultObjectProvider | Object provider implementation wrapped around a `Select`.
JDBC3SavepointManager | `SavepointManager` implementation that uses JDBC 3 savepoints to store state.
JDBCBrokerFactory | BrokerFactory type for use with the JDBC runtime.
JDBCFetchConfigurationImpl | JDBC extensions to OpenJPA's `FetchConfiguration`.
JDBCFetchConfigurationImpl.JDBCConfigurationState | Configurable JDBC state shared throughout a traversal chain.
JDBCStoreManager | StoreManager plugin that uses JDBC to store persistent data in a relational data store.
JDBCStoreManager.ClientConnection | Connection returned to client code.
JDBCStoreQuery | JDBC query implementation.
MappedQueryResultObjectProvider | Provides the data from query result mapped by a `QueryResultMapping`.
MixedLockManager | Mixed lock manager implements both optimistic and pessimistic locking semantics in parallel to the JPA 2.0 specification.
NativeJDBCSeq | `JDBCSeq` implementation that uses a database sequence to generate numbers.
OperationOrderUpdateManager | Update manager that writes SQL in object-level operation order.
PagingResultObjectProvider | Object provider implementation that fetches one page of results at a a time as it scrolls.
PessimisticLockManager | Lock manager that uses exclusive database locks.
PreparedProjectionResultObjectProvider | Object provider implementation wrapped around a projection select that has been executed earlier.
PreparedQueryCacheImpl | An implementation of the cache of `prepared queries`.
PreparedQueryCacheImpl.StrongExclusion | Strong exclusion.
PreparedQueryCacheImpl.WeakExclusion | Weak exclusion.
PreparedQueryImpl | Implements `PreparedQuery` for SQL queries.
PreparedResultObjectProvider | A Select-oriented Result Object Provider whose Select has been executed outside its own scope.
PreparedSQLStoreQuery | A executor for Prepared SQL Query.
PreparedSQLStoreQuery.PreparedSQLExecutor | Executor of a prepared query uses the QueryExpressions of the original query available via the PreparedQuery.
PreparedStatementManagerImpl | Basic prepared statement manager implementation.
ProjectionResultObjectProvider | Object provider implementation wrapped around a projection select.
SelectResultObjectProvider | Abstract provider implementation wrapped around a `Select`.
SQLProjectionResultObjectProvider | Provides all column data in a `ResultSet`.
SQLStoreQuery | A SQL query.
SQLStoreQuery.SQLExecutor | Executes the filter as a SQL query.
TableJDBCSeq | `JDBCSeq` implementation that uses a database table for sequence number generation.
TableJDBCSeq.Status | Helper struct to hold status information.
ValueTableJDBCSeq | Specialization of the `TableJDBCSeq` that maintains multiple sequence counts.

## Package org.apache.openjpa.jdbc.kernel Description

OpenJPA-JDBC Runtime Kernel

Runtime services for the JDBC OpenJPA implementation.

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