Package cz.cvut.kbss.jopa.sessions

Class AbstractSession

java.lang.Object

cz.cvut.kbss.jopa.sessions.AbstractSession

All Implemented Interfaces:

ConfigurationHolder, MetamodelProvider

Direct Known Subclasses:

AbstractUnitOfWork, ServerSession

public abstract class AbstractSession
extends Object
implements MetamodelProvider, ConfigurationHolder

Defines common session-related methods.

Field Summary

Fields

Modifier and Type	Field	Description
protected final Configuration	configuration

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractSession(Configuration configuration)

Method Summary

Modifier and Type	Method	Description
protected abstract ConnectionWrapper	acquireConnection()	Acquires connection to the underlying ontology storage.
Configuration	getConfiguration()	Gets provider configuration.
abstract CriteriaBuilder	getCriteriaBuilder()	Gets a CriteriaBuilder instance for building Criteria API queries.
abstract CacheManager	getLiveObjectCache()	Get the current live object cache.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface cz.cvut.kbss.jopa.sessions.MetamodelProvider

getMetamodel, getNamedQueryManager, getResultSetMappingManager, isEntityType

Field Details

configuration

protected final Configuration configuration

Constructor Details

AbstractSession

protected AbstractSession(Configuration configuration)

Method Details

getConfiguration

public Configuration getConfiguration()

Description copied from interface: ConfigurationHolder

Gets provider configuration.

Specified by:

getConfiguration in interface ConfigurationHolder

Returns:

Configuration

getLiveObjectCache

public abstract CacheManager getLiveObjectCache()

Get the current live object cache.

This manager represents the second level cache.

Returns:

Second level cache manager

acquireConnection

protected abstract ConnectionWrapper acquireConnection()

Acquires connection to the underlying ontology storage.

Returns:

Connection

getCriteriaBuilder

public abstract CriteriaBuilder getCriteriaBuilder()

Gets a CriteriaBuilder instance for building Criteria API queries.

Returns:

Criteria query builder