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## org.apache.openjpa.meta
Class AbstractMetaDataFactory

    java.lang.Object
      org.apache.openjpa.meta.AbstractMetaDataFactory

All Implemented Interfaces:
  MetaDataFactory, MetaDataModes

Direct Known Subclasses:
  AbstractCFMetaDataFactory

    public abstract class AbstractMetaDataFactory

extends Object
implements MetaDataFactory

Abstract `MetaDataFactory` that provides default implementations of many methods.

Author:
  Abe White

Field Summary
`protected File` | `dir`
`protected Log` | `log`
`protected MetaDataRepository` | `repos`
`protected int` | `store`
`protected boolean` | `strict`
`protected Set` | `types`

Fields inherited from interface org.apache.openjpa.meta.MetaDataFactory
`STORE_DEFAULT, STORE_PER_CLASS, STORE_VERBOSE`

Fields inherited from interface org.apache.openjpa.meta.MetaDataModes
`MODE_MAPPING, MODE_MAPPING_INIT, MODE_META, MODE_NONE, MODE_QUERY`

Constructor Summary
`AbstractMetaDataFactory()`

Method Summary
`void` | `addClassExtensionKeys(Collection exts)` Add any extension keys used by this instance to the given set.
`void` | `addFieldExtensionKeys(Collection exts)` Add any extension keys used by this instance to the given set.
`void` | `clear()` Clear any internal caches.
`boolean` | `drop(Class[] cls, int mode, ClassLoader envLoader)` Drop the metadata for the given classes in the given mode(s).
`Set` | `getPersistentTypeNames(boolean devpath, ClassLoader envLoader)` Return all persistent class names, using the metadata locations supplied in configuration, optionally scanning the classpath.
`Class` | `getQueryScope(String queryName, ClassLoader loader)` Return the type defining the given query name, if any.
`ClassArgParser` | `newClassArgParser()` Return a properly-configured class arg parser for our expected metadata format.
`void` | `setRepository(MetaDataRepository repos)` Set the repository to load metadata into.
`void` | `setStoreDirectory(File dir)` Base directory for storing metadata.
`void` | `setStoreMode(int store)` Storage mode.
`void` | `setStrict(boolean strict)` If true, I/O's must exactly obey the mode directives given, and may not load additional information.
`void` | `setTypes(Set types)` Set of persistent type names supplied by user.
`void` | `setTypes(String types)` Set of semicolon-separated persistent type names supplied by user via auto-configuration.
`boolean` | `store(ClassMetaData[] metas, QueryMetaData[] queries, SequenceMetaData[] seqs, int mode, Map output)` Store the given metadata.

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

Methods inherited from interface org.apache.openjpa.meta.MetaDataFactory
`getDefaults, load`

Field Detail

### repos

    protected MetaDataRepository repos

### log

    protected Log log

### dir

    protected File dir

### store

    protected int store

### strict

    protected boolean strict

### types

    protected Set types

Constructor Detail

### AbstractMetaDataFactory

    public AbstractMetaDataFactory()

Method Detail

### setTypes

    public void setTypes(Set types)

  Set of persistent type names supplied by user.

### setTypes

    public void setTypes(String types)

  Set of semicolon-separated persistent type names supplied by user via auto-configuration.

### setRepository

    public void setRepository(MetaDataRepository repos)

  Description copied from interface: `MetaDataFactory`
  Set the repository to load metadata into. This method will be called before use.

  Specified by:
    `setRepository` in interface `MetaDataFactory`

### setStoreDirectory

    public void setStoreDirectory(File dir)

  Description copied from interface: `MetaDataFactory`
  Base directory for storing metadata. May not be called.

  Specified by:
    `setStoreDirectory` in interface `MetaDataFactory`

### setStoreMode

    public void setStoreMode(int store)

  Description copied from interface: `MetaDataFactory`
  Storage mode. May not be called.

  Specified by:
    `setStoreMode` in interface `MetaDataFactory`

### setStrict

    public void setStrict(boolean strict)

  Description copied from interface: `MetaDataFactory`
  If true, I/O's must exactly obey the mode directives given, and may not load additional information.

  Specified by:
    `setStrict` in interface `MetaDataFactory`

### store

    public boolean store(ClassMetaData[] metas,
                         QueryMetaData[] queries,
                         SequenceMetaData[] seqs,
                         int mode,
                         Map output)

  Description copied from interface: `MetaDataFactory`
  Store the given metadata.

  Specified by:
    `store` in interface `MetaDataFactory`
    `mode` - hint about what aspects of the metadata have changed
    `output` - if non-null, rather than storing metadata directly, add entries mapping each output destination such as a `File` to the planned output for that destination in string form
  Returns:
    false if this factory is unable to store metadata

### drop

    public boolean drop(Class[] cls,
                        int mode,
                        ClassLoader envLoader)

  Description copied from interface: `MetaDataFactory`
  Drop the metadata for the given classes in the given mode(s).

  Specified by:
    `drop` in interface `MetaDataFactory`
  Returns:
    false if any metadata could not be dropped

### getPersistentTypeNames

    public Set getPersistentTypeNames(boolean devpath,
                                      ClassLoader envLoader)

  Description copied from interface: `MetaDataFactory`
  Return all persistent class names, using the metadata locations supplied in configuration, optionally scanning the classpath. Return null if no types are supplied and this factory is unable to scan the classpath. This method should not be used directly by outside code; use `MetaDataRepository.getPersistentTypeNames(boolean, java.lang.ClassLoader)` instead.

  Specified by:
    `getPersistentTypeNames` in interface `MetaDataFactory`
  See Also:
    `MetaDataRepository.getPersistentTypeNames(boolean, java.lang.ClassLoader)`, `MetaDataRepository.loadPersistentTypes(boolean, java.lang.ClassLoader)`

### getQueryScope

    public Class getQueryScope(String queryName,
                               ClassLoader loader)

  Description copied from interface: `MetaDataFactory`
  Return the type defining the given query name, if any.

  Specified by:
    `getQueryScope` in interface `MetaDataFactory`

### newClassArgParser

    public ClassArgParser newClassArgParser()

  Description copied from interface: `MetaDataFactory`
  Return a properly-configured class arg parser for our expected metadata format.

  Specified by:
    `newClassArgParser` in interface `MetaDataFactory`

### clear

    public void clear()

  Description copied from interface: `MetaDataFactory`
  Clear any internal caches.

  Specified by:
    `clear` in interface `MetaDataFactory`

### addClassExtensionKeys

    public void addClassExtensionKeys(Collection exts)

  Description copied from interface: `MetaDataFactory`
  Add any extension keys used by this instance to the given set.

  Specified by:
    `addClassExtensionKeys` in interface `MetaDataFactory`

### addFieldExtensionKeys

    public void addFieldExtensionKeys(Collection exts)

  Description copied from interface: `MetaDataFactory`
  Add any extension keys used by this instance to the given set.

  Specified by:
    `addFieldExtensionKeys` in interface `MetaDataFactory`

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Copyright © 2006 Apache Software Foundation. All Rights Reserved.