Module org.eclipse.persistence.jpa

Package org.eclipse.persistence.jpa.metadata

Class FileBasedProjectCache

java.lang.Object

org.eclipse.persistence.jpa.metadata.FileBasedProjectCache

All Implemented Interfaces:

ProjectCache

public class FileBasedProjectCache
extends Object
implements ProjectCache

Purpose: Support serializing/deserializing a project representing application metadata to/from a file.

Constructor Summary

Constructors

Constructor	Description
FileBasedProjectCache()	Default constructor.

Method Summary

Modifier and Type	Method	Description
Object	getConfigPropertyLogDebug(String propertyName, Map<String,?> properties, SessionLog log)	Check the provided map for an object with the given name.
Project	retrieveProject(Map<String,?> properties, ClassLoader loader, SessionLog log)	PUBLIC: This method is responsible for returning the cached metadata as represented by a Project instance.
void	storeProject(Project project, Map<String,?> properties, SessionLog log)	PUBLIC: This method is responsible for caching a project instance representing the application metadata.

Methods inherited from class java.lang.Object

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

Constructor Details

FileBasedProjectCache

public FileBasedProjectCache()

Default constructor.

Method Details

retrieveProject

public Project retrieveProject(Map<String,?> properties,
 ClassLoader loader,
 SessionLog log)

Description copied from interface: ProjectCache

PUBLIC: This method is responsible for returning the cached metadata as represented by a Project instance. This instance will have limited processing performed to turn string instances into classes during deployment. The classloader provided is the application loader. Please note that using it to load application classes (Entities) may prevent them from being dynamically woven.

Specified by:

retrieveProject in interface ProjectCache

storeProject

public void storeProject(Project project,
 Map<String,?> properties,
 SessionLog log)

Description copied from interface: ProjectCache

PUBLIC: This method is responsible for caching a project instance representing the application metadata.

Specified by:

storeProject in interface ProjectCache

getConfigPropertyLogDebug

public Object getConfigPropertyLogDebug(String propertyName,
 Map<String,?> properties,
 SessionLog log)

Check the provided map for an object with the given name. If that object is not available, check the System properties. Log the value returned if logging is enabled at the FINEST level

Parameters:

propertyName - property name

properties - properties

log - logger

Returns:

object for the given name, null if not found