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## org.springframework.orm.jpa.vendor
Class AbstractJpaVendorAdapter

    java.lang.Object
      org.springframework.orm.jpa.vendor.AbstractJpaVendorAdapter

All Implemented Interfaces:
  JpaVendorAdapter

Direct Known Subclasses:
  EclipseLinkJpaVendorAdapter, HibernateJpaVendorAdapter, OpenJpaVendorAdapter, TopLinkJpaVendorAdapter

    public abstract class AbstractJpaVendorAdapter

extends Object
implements JpaVendorAdapter

Abstract `JpaVendorAdapter` implementation that defines common properties, to be translated into vendor-specific JPA properties by concrete subclasses.

Since:
  2.0
Author:
  Juergen Hoeller, Rod Johnson

Constructor Summary
`AbstractJpaVendorAdapter()`

Method Summary
`protected Database` | `getDatabase()` Return the target database to operate on.
`protected String` | `getDatabasePlatform()` Return the name of the target database to operate on.
`Class<? extends javax.persistence.EntityManagerFactory>` | `getEntityManagerFactoryInterface()` Return the vendor-specific EntityManagerFactory interface that the EntityManagerFactory proxy is supposed to implement.
`Class<? extends javax.persistence.EntityManager>` | `getEntityManagerInterface()` Return the vendor-specific EntityManager interface that this provider's EntityManagers will implement.
`JpaDialect` | `getJpaDialect()` Return the vendor-specific JpaDialect implementation for this provider, or `null` if there is none.
`Map` | `getJpaPropertyMap()` Return a Map of vendor-specific JPA properties, typically based on settings in this JpaVendorAdapter instance.
`String` | `getPersistenceProviderRootPackage()` Return the name of the persistence provider's root package (e.g.
`protected boolean` | `isGenerateDdl()` Return whether to generate DDL after the EntityManagerFactory has been initialized creating/updating all relevant tables.
`protected boolean` | `isShowSql()` Return whether to show SQL in the log (or in the console).
`void` | `postProcessEntityManagerFactory(javax.persistence.EntityManagerFactory emf)` Post-process the EntityManagerFactory after it has been initialized.
`void` | `setDatabase(Database database)` Specify the target database to operate on, as a value of the `Database` enum: DB2, DERBY, H2, HSQL, INFORMIX, MYSQL, ORACLE, POSTGRESQL, SQL_SERVER, SYBASE
`void` | `setDatabasePlatform(String databasePlatform)` Specify the name of the target database to operate on.
`void` | `setGenerateDdl(boolean generateDdl)` Set whether to generate DDL after the EntityManagerFactory has been initialized, creating/updating all relevant tables.
`void` | `setShowSql(boolean showSql)` Set whether to show SQL in the log (or in the console).

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.springframework.orm.jpa.JpaVendorAdapter
`getPersistenceProvider`

Constructor Detail

### AbstractJpaVendorAdapter

    public AbstractJpaVendorAdapter()

Method Detail

### setDatabase

    public void setDatabase(Database database)

  Specify the target database to operate on, as a value of the `Database` enum: DB2, DERBY, H2, HSQL, INFORMIX, MYSQL, ORACLE, POSTGRESQL, SQL_SERVER, SYBASE

### getDatabase

    protected Database getDatabase()

  Return the target database to operate on.

### setDatabasePlatform

    public void setDatabasePlatform(String databasePlatform)

  Specify the name of the target database to operate on. The supported values are vendor-dependent platform identifiers.

### getDatabasePlatform

    protected String getDatabasePlatform()

  Return the name of the target database to operate on.

### setGenerateDdl

    public void setGenerateDdl(boolean generateDdl)

  Set whether to generate DDL after the EntityManagerFactory has been initialized, creating/updating all relevant tables.

  Note that the exact semantics of this flag depend on the underlying persistence provider. For any more advanced needs, specify the appropriate vendor-specific settings as "jpaProperties".

  See Also:
    `AbstractEntityManagerFactoryBean.setJpaProperties(java.util.Properties)`

### isGenerateDdl

    protected boolean isGenerateDdl()

  Return whether to generate DDL after the EntityManagerFactory has been initialized creating/updating all relevant tables.

### setShowSql

    public void setShowSql(boolean showSql)

  Set whether to show SQL in the log (or in the console).

  For more specific logging configuration, specify the appropriate vendor-specific settings as "jpaProperties".

  See Also:
    `AbstractEntityManagerFactoryBean.setJpaProperties(java.util.Properties)`

### isShowSql

    protected boolean isShowSql()

  Return whether to show SQL in the log (or in the console).

### getPersistenceProviderRootPackage

    public String getPersistenceProviderRootPackage()

  Description copied from interface: `JpaVendorAdapter`
  Return the name of the persistence provider's root package (e.g. "oracle.toplink.essentials"). Will be used for excluding provider classes from temporary class overriding.

  Specified by:
    `getPersistenceProviderRootPackage` in interface `JpaVendorAdapter`

### getJpaPropertyMap

    public Map getJpaPropertyMap()

  Description copied from interface: `JpaVendorAdapter`
  Return a Map of vendor-specific JPA properties, typically based on settings in this JpaVendorAdapter instance.

  Note that there might be further JPA properties defined on the EntityManagerFactory bean, which might potentially override individual JPA property values specified here.

  Specified by:
    `getJpaPropertyMap` in interface `JpaVendorAdapter`
  Returns:
    a Map of JPA properties, as as accepted by the standard JPA bootstrap facilities, or `null` or an empty Map if there are no such properties to expose
  See Also:
    `Persistence.createEntityManagerFactory(String, java.util.Map)`, `PersistenceProvider.createContainerEntityManagerFactory(javax.persistence.spi.PersistenceUnitInfo, java.util.Map)`

### getJpaDialect

    public JpaDialect getJpaDialect()

  Description copied from interface: `JpaVendorAdapter`
  Return the vendor-specific JpaDialect implementation for this provider, or `null` if there is none.

  Specified by:
    `getJpaDialect` in interface `JpaVendorAdapter`

### getEntityManagerFactoryInterface

    public Class<? extends javax.persistence.EntityManagerFactory> getEntityManagerFactoryInterface()

  Description copied from interface: `JpaVendorAdapter`
  Return the vendor-specific EntityManagerFactory interface that the EntityManagerFactory proxy is supposed to implement.

  If the provider does not offer any EntityManagerFactory extensions, the adapter should simply return the standard `EntityManagerFactory` class here.

  Specified by:
    `getEntityManagerFactoryInterface` in interface `JpaVendorAdapter`

### getEntityManagerInterface

    public Class<? extends javax.persistence.EntityManager> getEntityManagerInterface()

  Description copied from interface: `JpaVendorAdapter`
  Return the vendor-specific EntityManager interface that this provider's EntityManagers will implement.

  If the provider does not offer any EntityManager extensions, the adapter should simply return the standard `EntityManager` class here.

  Specified by:
    `getEntityManagerInterface` in interface `JpaVendorAdapter`

### postProcessEntityManagerFactory

    public void postProcessEntityManagerFactory(javax.persistence.EntityManagerFactory emf)

  Post-process the EntityManagerFactory after it has been initialized.

  Specified by:
    `postProcessEntityManagerFactory` in interface `JpaVendorAdapter`
  Parameters:
    `emf` - the EntityManagerFactory to process

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