org.datanucleus.metadata

Class FileMetaData

java.lang.Object

org.datanucleus.metadata.MetaData

org.datanucleus.metadata.FileMetaData

All Implemented Interfaces:

Serializable

public class FileMetaData
extends MetaData

Representation of a Meta-Data file. Contains a list of package meta-data, together with any named queries and fetch plans etc.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected String	catalog Catalog name for all classes in this file
protected Collection<FetchPlanMetaData>	fetchPlans Named FetchPlans in this file.
protected String	filename Name of file
protected List<EventListenerMetaData>	listeners List of event listeners defined for this file.
protected MetaDataManager	metaDataManager Manager for this MetaData object.
protected List<PackageMetaData>	packages List of packages in this file (uses List to retain file positioning)
protected Collection<QueryMetaData>	queries Named queries defined in this file.
protected Collection<QueryResultMetaData>	queryResultMetaData List of query result MetaData defined for this file.
protected String	schema Schema name for all classes in this file
protected Collection<StoredProcQueryMetaData>	storedProcs Named stored procedures defined in this file.
protected MetadataFileType	type Type of file (JDO, ORM, JDOQUERY, etc)

Fields inherited from class org.datanucleus.metadata.MetaData

extensions, LOCALISER, METADATA_CREATED_STATE, METADATA_INITIALISED_STATE, METADATA_POPULATED_STATE, METADATA_USED_STATE, metaDataState, parent, VENDOR_NAME, VENDOR_NAME_OLD

Constructor Summary

Constructors

Constructor and Description
FileMetaData() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	addListener(EventListenerMetaData listener) Add a listener class name
void	addQueryResultMetaData(QueryResultMetaData resultMetaData) Method to register a query-result MetaData.
String	getCatalog()
ClassMetaData	getClass(String pkg_name, String class_name) Utility method to check if the MetaData for a class is contained in this file.
FetchPlanMetaData[]	getFetchPlans() Accessor for the metadata of the named fetch plans.
String	getFilename()
List	getListeners() Get the event listeners registered against the file.
int	getNoOfFetchPlans() Accessor for the number of named fetch plans.
int	getNoOfPackages() Accessor for the number of packages.
int	getNoOfQueries() Accessor for the number of named queries.
int	getNoOfStoredProcQueries() Accessor for the number of named queries.
PackageMetaData	getPackage(int i) Accessor for the meta-data of a package.
PackageMetaData	getPackage(String name) Accessor for the Meta-Data of a package with a given name.
QueryMetaData[]	getQueries() Accessor for the metadata of the named queries.
QueryResultMetaData[]	getQueryResultMetaData() Get the query result MetaData.
String	getSchema()
StoredProcQueryMetaData[]	getStoredProcQueries() Accessor for the metadata of the named stored procedure queries.
MetadataFileType	getType()
FetchPlanMetaData	newFetchPlanMetadata(String name)
PackageMetaData	newPackageMetadata(String name) Method to create and return a package metadata for the specified package name.
QueryMetaData	newQueryMetadata(String queryName) Method to create a new QueryMetadata, add it to the registered queries and return it.
QueryResultMetaData	newQueryResultMetadata(String name) Method to create a new query result metadata, add it, and return it.
StoredProcQueryMetaData	newStoredProcQueryMetaData(String queryName) Method to create a new StoredProcQueryMetadata, add it to the registered queries and return it.
FileMetaData	setCatalog(String catalog)
FileMetaData	setFilename(String filename)
void	setMetaDataManager(MetaDataManager mmgr) Method to set the MetaDataManager in use.
FileMetaData	setSchema(String schema)
FileMetaData	setType(MetadataFileType type)
String	toString(String prefix, String indent) Returns a string representation of the object.

Methods inherited from class org.datanucleus.metadata.MetaData

addExtension, addExtension, assertIfInitialised, getExtensions, getNoOfExtensions, getParent, getValueForExtension, getValuesForExtension, hasExtension, initialise, isInitialised, isPopulated, isUsed, newExtensionMetaData, removeExtension, setParent, toString

Methods inherited from class java.lang.Object

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

Field Detail

metaDataManager

protected transient MetaDataManager metaDataManager

Manager for this MetaData object. Used in AbstractMemberMetaData.setRelation process.

type

protected MetadataFileType type

Type of file (JDO, ORM, JDOQUERY, etc)

filename

protected String filename

Name of file

catalog

protected String catalog

Catalog name for all classes in this file

schema

protected String schema

Schema name for all classes in this file

queries

protected Collection<QueryMetaData> queries

Named queries defined in this file.

storedProcs

protected Collection<StoredProcQueryMetaData> storedProcs

Named stored procedures defined in this file.

queryResultMetaData

protected Collection<QueryResultMetaData> queryResultMetaData

List of query result MetaData defined for this file.

fetchPlans

protected Collection<FetchPlanMetaData> fetchPlans

Named FetchPlans in this file.

packages

protected List<PackageMetaData> packages

List of packages in this file (uses List to retain file positioning)

listeners

protected List<EventListenerMetaData> listeners

List of event listeners defined for this file.

Constructor Detail

FileMetaData

public FileMetaData()

Constructor.

Method Detail

setMetaDataManager

public void setMetaDataManager(MetaDataManager mmgr)

Method to set the MetaDataManager in use. TODO Remove this

Parameters:

mmgr - MetaDataManager to use

getFilename

public String getFilename()

setFilename

public FileMetaData setFilename(String filename)

getCatalog

public String getCatalog()

setCatalog

public FileMetaData setCatalog(String catalog)

getSchema

public String getSchema()

setSchema

public FileMetaData setSchema(String schema)

getType

public MetadataFileType getType()

setType

public FileMetaData setType(MetadataFileType type)

getNoOfQueries

public int getNoOfQueries()

Accessor for the number of named queries.

Returns:

no of named queries

getQueries

public QueryMetaData[] getQueries()

Accessor for the metadata of the named queries.

Returns:

Meta-Data for the named queries.

getNoOfStoredProcQueries

public int getNoOfStoredProcQueries()

Accessor for the number of named queries.

Returns:

no of named queries

getStoredProcQueries

public StoredProcQueryMetaData[] getStoredProcQueries()

Accessor for the metadata of the named stored procedure queries.

Returns:

Meta-Data for the named stored proc queries.

getNoOfFetchPlans

public int getNoOfFetchPlans()

Accessor for the number of named fetch plans.

Returns:

no of named fetch plans

getFetchPlans

public FetchPlanMetaData[] getFetchPlans()

Accessor for the metadata of the named fetch plans.

Returns:

Meta-Data for the named fetch plans.

getNoOfPackages

public int getNoOfPackages()

Accessor for the number of packages.

Returns:

no of packages.

getPackage

public PackageMetaData getPackage(int i)

Accessor for the meta-data of a package.

Parameters:

i - index number

Returns:

Meta-Data for a package.

getPackage

public PackageMetaData getPackage(String name)

Accessor for the Meta-Data of a package with a given name.

Parameters:

name - Name of the package

Returns:

Meta-Data for the package

getClass

public ClassMetaData getClass(String pkg_name,
                     String class_name)

Utility method to check if the MetaData for a class is contained in this file.

Parameters:

pkg_name - Name of package

class_name - Name of class

Returns:

The MetaData for the class

newQueryMetadata

public QueryMetaData newQueryMetadata(String queryName)

Method to create a new QueryMetadata, add it to the registered queries and return it.

Parameters:

queryName - Name of the query

Returns:

The Query metadata

newStoredProcQueryMetaData

public StoredProcQueryMetaData newStoredProcQueryMetaData(String queryName)

Method to create a new StoredProcQueryMetadata, add it to the registered queries and return it.

Parameters:

queryName - Name of the query

Returns:

The Query metadata

newFetchPlanMetadata

public FetchPlanMetaData newFetchPlanMetadata(String name)

newPackageMetadata

public PackageMetaData newPackageMetadata(String name)

Method to create and return a package metadata for the specified package name.

Parameters:

name - Name of the package

Returns:

The PackageMetadata

addListener

public void addListener(EventListenerMetaData listener)

Add a listener class name

Parameters:

listener - the listener metadata. Duplicated classes are ignored

getListeners

public List getListeners()

Get the event listeners registered against the file.

Returns:

the event listeners

addQueryResultMetaData

public void addQueryResultMetaData(QueryResultMetaData resultMetaData)

Method to register a query-result MetaData.

Parameters:

resultMetaData - Query-Result MetaData to register

newQueryResultMetadata

public QueryResultMetaData newQueryResultMetadata(String name)

Method to create a new query result metadata, add it, and return it.

Parameters:

name - Name of the result

Returns:

The query result metadata

getQueryResultMetaData

public QueryResultMetaData[] getQueryResultMetaData()

Get the query result MetaData.

Returns:

Query Result MetaData

toString

public String toString(String prefix,
              String indent)

Returns a string representation of the object.

Overrides:

toString in class MetaData

Parameters:

prefix - Any prefix for the output

indent - The indent

Returns:

a string representation of the object.