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## org.apache.cayenne.jpa
Class JpaUnit

    java.lang.Object
      org.apache.cayenne.jpa.JpaUnit

All Implemented Interfaces:
  javax.persistence.spi.PersistenceUnitInfo

Direct Known Subclasses:
  InstrumentingUnit

    public abstract class JpaUnit

extends Object
implements javax.persistence.spi.PersistenceUnitInfo

A `javax.persistence.spi.PersistenceUnitInfo` implementor used by Cayenne JPA provider.

Field Summary
`protected ClassLoader` | `classLoader`
`protected String` | `description`
`protected boolean` | `excludeUnlistedClasses`
`protected List<URL>` | `jarFileUrls`
`protected List<String>` | `managedClassNames`
`protected List<String>` | `mappingFileNames`
`protected String` | `persistenceUnitName`
`protected URL` | `persistenceUnitRootUrl`
`protected Properties` | `properties`

Constructor Summary
`JpaUnit()`

Method Summary
`void` | `addJarFileUrl(String jarName)`
`void` | `addManagedClassName(String managedClassName)`
`void` | `addMappingFileName(String mappingFileName)`
`void` | `addProperties(Map<?,?> properties)`
`abstract void` | `addTransformer(javax.persistence.spi.ClassTransformer transformer)` Adds a `ClassTransformer` to the persistence unit.
`boolean` | `excludeUnlistedClasses()` Returns whether classes not listed in the persistence.xml descriptor file should be excluded from persistence unit.
`ClassLoader` | `getClassLoader()`
`String` | `getDescription()`
`List<URL>` | `getJarFileUrls()`
`DataSource` | `getJtaDataSource()`
`List<String>` | `getManagedClassNames()`
`List<String>` | `getMappingFileNames()`
`ClassLoader` | `getNewTempClassLoader()` Creates and returns a child of the main unit ClassLoader.
`DataSource` | `getNonJtaDataSource()`
`String` | `getPersistenceProviderClassName()`
`String` | `getPersistenceUnitName()`
`URL` | `getPersistenceUnitRootUrl()`
`Properties` | `getProperties()`
`javax.persistence.spi.PersistenceUnitTransactionType` | `getTransactionType()`
`void` | `putProperty(String key, String value)`
`void` | `setClassLoader(ClassLoader classLoader)` Sets new "main" ClassLoader of this unit.
`protected void` | `setDefaultClassLoader()`
`void` | `setDescription(String description)`
`void` | `setExcludeUnlistedClasses(boolean excludeUnlistedClasses)`
`void` | `setPersistenceUnitName(String persistenceUnitName)`
`void` | `setPersistenceUnitRootUrl(URL persistenceUnitRootUrl)`

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

Field Detail

### persistenceUnitName

    protected String persistenceUnitName

### mappingFileNames

    protected List<String> mappingFileNames

### jarFileUrls

    protected List<URL> jarFileUrls

### managedClassNames

    protected List<String> managedClassNames

### persistenceUnitRootUrl

    protected URL persistenceUnitRootUrl

### excludeUnlistedClasses

    protected boolean excludeUnlistedClasses

### properties

    protected Properties properties

### description

    protected String description

### classLoader

    protected ClassLoader classLoader

Constructor Detail

### JpaUnit

    public JpaUnit()

Method Detail

### getPersistenceUnitName

    public String getPersistenceUnitName()

  Specified by:
    `getPersistenceUnitName` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getPersistenceProviderClassName

    public String getPersistenceProviderClassName()

  Specified by:
    `getPersistenceProviderClassName` in interface `javax.persistence.spi.PersistenceUnitInfo`

### addTransformer

    public abstract void addTransformer(javax.persistence.spi.ClassTransformer transformer)

  Adds a `ClassTransformer` to the persistence unit.

  ### JPA Specification, 7.1.4:

  Add a transformer supplied by the provider that will be called for every new class definition or class redefinition that gets loaded by the loader returned by the PersistenceInfo.getClassLoader method. The transformer has no effect on the result returned by the PersistenceInfo.getTempClassLoader method. Classes are only transformed once within the same classloading scope, regardless of how many persistence units they may be a part of.

  Specified by:
    `addTransformer` in interface `javax.persistence.spi.PersistenceUnitInfo`
  Parameters:
    `transformer` - A provider-supplied transformer that the Container invokes at class-(re)definition time

### getTransactionType

    public javax.persistence.spi.PersistenceUnitTransactionType getTransactionType()

  Specified by:
    `getTransactionType` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getJtaDataSource

    public DataSource getJtaDataSource()

  Specified by:
    `getJtaDataSource` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getNonJtaDataSource

    public DataSource getNonJtaDataSource()

  Specified by:
    `getNonJtaDataSource` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getMappingFileNames

    public List<String> getMappingFileNames()

  Specified by:
    `getMappingFileNames` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getJarFileUrls

    public List<URL> getJarFileUrls()

  Specified by:
    `getJarFileUrls` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getPersistenceUnitRootUrl

    public URL getPersistenceUnitRootUrl()

  Specified by:
    `getPersistenceUnitRootUrl` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getManagedClassNames

    public List<String> getManagedClassNames()

  Specified by:
    `getManagedClassNames` in interface `javax.persistence.spi.PersistenceUnitInfo`

### excludeUnlistedClasses

    public boolean excludeUnlistedClasses()

  Returns whether classes not listed in the persistence.xml descriptor file should be excluded from persistence unit. Should be ignored in J2SE environment.

  Specified by:
    `excludeUnlistedClasses` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getProperties

    public Properties getProperties()

  Specified by:
    `getProperties` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getClassLoader

    public ClassLoader getClassLoader()

  Specified by:
    `getClassLoader` in interface `javax.persistence.spi.PersistenceUnitInfo`

### getNewTempClassLoader

    public ClassLoader getNewTempClassLoader()

  Creates and returns a child of the main unit ClassLoader.

  Specified by:
    `getNewTempClassLoader` in interface `javax.persistence.spi.PersistenceUnitInfo`

### setExcludeUnlistedClasses

    public void setExcludeUnlistedClasses(boolean excludeUnlistedClasses)

### addJarFileUrl

    public void addJarFileUrl(String jarName)

### setPersistenceUnitName

    public void setPersistenceUnitName(String persistenceUnitName)

### setClassLoader

    public void setClassLoader(ClassLoader classLoader)

  Sets new "main" ClassLoader of this unit.

### setDefaultClassLoader

    protected void setDefaultClassLoader()

### addManagedClassName

    public void addManagedClassName(String managedClassName)

### addMappingFileName

    public void addMappingFileName(String mappingFileName)

### setPersistenceUnitRootUrl

    public void setPersistenceUnitRootUrl(URL persistenceUnitRootUrl)

### addProperties

    public void addProperties(Map<?,?> properties)

### putProperty

    public void putProperty(String key,
                            String value)

### getDescription

    public String getDescription()

### setDescription

    public void setDescription(String description)

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