uk.org.ogsadai.converters.databaseschema.fromxml
Class TableMetaDataImpl

java.lang.Object
  |
  +--uk.org.ogsadai.converters.databaseschema.fromxml.TableMetaDataImpl

All Implemented Interfaces:

TableMetaData

public class TableMetaDataImpl

extends java.lang.Object

implements TableMetaData

An implementation of TableMetaData which extracts relational table information from a org.w3c.dom.Element.

Author:

The OGSA-DAI Team.

See Also:

TableMetaData

Field Summary

private static java.lang.String	COPYRIGHT_NOTICE
private java.lang.String	mCatalog
private java.util.Map	mColumnMap
private ColumnMetaData[]	mColumns
private KeyMetaData[]	mExportedKeys
private KeyMetaData[]	mImportedKeys
private java.lang.String	mName
private java.util.Set	mPrimaryKeys
private java.lang.String	mSchema

Constructor Summary

TableMetaDataImpl(org.w3c.dom.Element table)
Create from information in given XML fragment.

Method Summary

java.lang.String	getCatalogName() Returns the catalog name of this table.
ColumnMetaData	getColumn(int index) Returns the type information of the column at the specified index.
int	getColumnCount() Returns the number of columns in this table.
KeyMetaData[]	getExportedKeys() Returns the exported keys of this table.
KeyMetaData[]	getImportedKeys() Returns the imported keys of this table.
java.lang.String	getName() Returns the name of this table.
java.lang.String[]	getPrimaryKeys() Returns a set of columns which form the (composite) primary key of this table.
java.lang.String	getSchemaName() Returns the schema name of this table.
private KeyMetaData[]	parseKeys(org.w3c.dom.Element schema, java.lang.String elementName) Parses the imported or exported keys of a database table.

Methods inherited from class java.lang.Object

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

Field Detail

COPYRIGHT_NOTICE

private static final java.lang.String COPYRIGHT_NOTICE

See Also:

Constant Field Values

mName

private java.lang.String mName

mSchema

private java.lang.String mSchema

mCatalog

private java.lang.String mCatalog

mColumns

private ColumnMetaData[] mColumns

mPrimaryKeys

private java.util.Set mPrimaryKeys

mImportedKeys

private KeyMetaData[] mImportedKeys

mExportedKeys

private KeyMetaData[] mExportedKeys

mColumnMap

private java.util.Map mColumnMap

Constructor Detail

TableMetaDataImpl

public TableMetaDataImpl(org.w3c.dom.Element table)

Create from information in given XML fragment.

Parameters:

table - XML fragment.

Method Detail

parseKeys

private KeyMetaData[] parseKeys(org.w3c.dom.Element schema,
                                java.lang.String elementName)

Parses the imported or exported keys of a database table.

Parameters:

schema - The XML element representing the database schema.

elementName - The name of the element to retrieve i.e. importedKeys or exportedKeys.

Returns:

array of attributes for each key.

getName

public java.lang.String getName()

Description copied from interface: TableMetaData

Returns the name of this table.

Specified by:

getName in interface TableMetaData

Returns:

name.

getSchemaName

public java.lang.String getSchemaName()

Description copied from interface: TableMetaData

Returns the schema name of this table.

Specified by:

getSchemaName in interface TableMetaData

Returns:

schema name.

getCatalogName

public java.lang.String getCatalogName()

Description copied from interface: TableMetaData

Returns the catalog name of this table.

Specified by:

getCatalogName in interface TableMetaData

Returns:

catalog name.

getColumnCount

public int getColumnCount()

Description copied from interface: TableMetaData

Returns the number of columns in this table.

Specified by:

getColumnCount in interface TableMetaData

Returns:

number of columns.

getColumn

public ColumnMetaData getColumn(int index)

Description copied from interface: TableMetaData

Returns the type information of the column at the specified index.

Specified by:

getColumn in interface TableMetaData

Parameters:

index - The column index.

Returns:

column type information.

getPrimaryKeys

public java.lang.String[] getPrimaryKeys()

Description copied from interface: TableMetaData

Returns a set of columns which form the (composite) primary key of this table.

Specified by:

getPrimaryKeys in interface TableMetaData

Returns:

set of column names

getImportedKeys

public KeyMetaData[] getImportedKeys()

Description copied from interface: TableMetaData

Returns the imported keys of this table.

Specified by:

getImportedKeys in interface TableMetaData

Returns:

imported keys.

getExportedKeys

public KeyMetaData[] getExportedKeys()

Description copied from interface: TableMetaData

Returns the exported keys of this table.

Specified by:

getExportedKeys in interface TableMetaData

Returns:

imported keys.