org.glassfish.persistence.jpa.schemageneration

Class EclipseLinkSchemaGenerationProcessor

java.lang.Object

org.glassfish.persistence.jpa.schemageneration.EclipseLinkSchemaGenerationProcessor

All Implemented Interfaces:

SchemaGenerationProcessor

public class EclipseLinkSchemaGenerationProcessor
extends Object
implements SchemaGenerationProcessor

SchemaGenerationProcessor that handles schema generation while running against EclipseLink in pre JPA 2.1 mode For each persistence unit descriptors that is defined for an application create the ddl scripts. Additionally if the user has requested the tables to be created or dropped from the database complete that action too. These are the principles and expectations of the implementation. We don't want TopLink code to execute the DDLs, it should only generate them. So, we always set the *generation-mode* to *script* in the PUInfo object before passing it to createContainerEMF(). As a result TopLink never creates the actual tables, nor does it drop them. The DDLs are executed by our code based on user preference which considers inputs from persistence.xml and CLI. We set the TopLink property to DROP_AND_CREATE in that map because we want it to always generate both create- and dropDDL.jdbc files.

Author:

pramodg

Constructor Summary

Constructors

Constructor and Description
EclipseLinkSchemaGenerationProcessor(String persistenceProviderClassName) Creates a new instance of EclipseLinkSchemaGenerationProcessor using Java2DBProcessorHelper

Method Summary

Modifier and Type	Method and Description
void	executeCreateDDL() This method is called after the jdbc files have been created.
Map<String,Object>	getOverridesForSchemaGeneration()
Map<String,Object>	getOverridesForSuppressingSchemaGeneration()
void	init(PersistenceUnitDescriptor pud, DeploymentContext context) initialize the processor
boolean	isContainerDDLExecutionRequired()
static boolean	isSupportedPersistenceProvider(String providerClassName) This processor only supports EclipseLink, the default persistence povider in glassfish; or Toplink, the default provder for GF 2.x.

Methods inherited from class java.lang.Object

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

Constructor Detail

EclipseLinkSchemaGenerationProcessor

public EclipseLinkSchemaGenerationProcessor(String persistenceProviderClassName)

Creates a new instance of EclipseLinkSchemaGenerationProcessor using Java2DBProcessorHelper

Method Detail

init

public void init(PersistenceUnitDescriptor pud,
                 DeploymentContext context)

Description copied from interface: SchemaGenerationProcessor

initialize the processor

Specified by:

init in interface SchemaGenerationProcessor

Parameters:

pud - The PersistenceUnitDescriptor for pu being deployed

context - The deployment context

getOverridesForSchemaGeneration

public Map<String,Object> getOverridesForSchemaGeneration()

Specified by:

getOverridesForSchemaGeneration in interface SchemaGenerationProcessor

Returns:

overrides that will be supplied to EMF creation for schema generation

getOverridesForSuppressingSchemaGeneration

public Map<String,Object> getOverridesForSuppressingSchemaGeneration()

Specified by:

getOverridesForSuppressingSchemaGeneration in interface SchemaGenerationProcessor

Returns:

overrides that will be supplied to EMF creation for suppressing schema generation

isContainerDDLExecutionRequired

public boolean isContainerDDLExecutionRequired()

Specified by:

isContainerDDLExecutionRequired in interface SchemaGenerationProcessor

Returns:

whether ddl needs to be executed by container

executeCreateDDL

public void executeCreateDDL()

This method is called after the jdbc files have been created. Iterate over all created jdbc ddl files and execute it against the database to have the required objects created.

Specified by:

executeCreateDDL in interface SchemaGenerationProcessor

isSupportedPersistenceProvider

public static boolean isSupportedPersistenceProvider(String providerClassName)

This processor only supports EclipseLink, the default persistence povider in glassfish; or Toplink, the default provder for GF 2.x.

Returns:

true if persistence provider is EclipseLink or Toplink.