wt.introspection
Class BaseTableInfo

java.lang.Object
  wt.introspection.TableInfo
      wt.introspection.BaseTableInfo

All Implemented Interfaces:

Externalizable, Serializable

public class BaseTableInfo

extends TableInfo

implements Externalizable

BaseTableInfo is the class for providing database table meta-data

Supported API: false

Extendable: false

See Also:

WTIntrospector, ClassInfo, ColumnDescriptor, Serialized Form

Field Summary

private String	absoluteDir
private com.objectspace.jgl.OrderedMap	columnTable
private String[]	compositeIndexString
private String[][]	compositeIndices
private String[][]	compositeUniques
private String[]	compositeUniqueString
static long	externalizationVersionUID Version identifier for managing compatibility and evolution of externalizable classes.
private String	indexTableSpaceName
private ColumnDescriptor[]	myColumns
private com.objectspace.jgl.HashMap	myComposites
private static String	RESOURCE
(package private) static long	serialVersionUID
private String	tableSize
private String	tableSpaceName
(package private) static boolean	VERBOSE

Fields inherited from class wt.introspection.TableInfo

COLUMN_NAME_MAX_LENGTH, columns, owner

Constructor Summary

BaseTableInfo()
Constructor

BaseTableInfo(String table_name, String table_space_name, String table_size, String index_table_space_name, String[] compositeIndexNames, String[] compositeUniqueNames, ColumnDescriptor[] cols, com.objectspace.jgl.HashMap composites)

Method Summary

protected void	accumulateColumns()
private void	accumulateCompositeIndices()
private void	accumulateCompositeUniques()
private ColumnDescriptor[]	addInfoCols(ColumnDescriptor[] cols, BaseTableInfo anotherInfo)
private com.objectspace.jgl.OrderedMap	addInfoCols(com.objectspace.jgl.OrderedMap cols, BaseTableInfo anotherInfo)
private void	addInfoUniques(ArrayList accumulator, String[][] another, int index)
ColumnDescriptor	getColumnDescriptor(String name) Obtain a column descriptor by name
private String	getColumnName(String attrName)
String[][]	getCompositeIndices() Obtain the composite indices
String[][]	getCompositeUniques() Obtain the composite uniqueness constraints
String	getIndexTableSpaceName() Get the index table space name.
String	getTableSize() Get the table size.
String	getTableSpaceName() Get the table space name.
private void	handleForeignKeyLink()
(package private) boolean	isaComposite(String attrName)
private String	parseElement(String element)
private void	parseToUnique(ArrayList accumulator, String items, String separator)
void	readExternal(ObjectInput input) Reads the non-transient fields of this class from an external source.
(package private) void	setAbsoluteDir(String absolute_dir)
void	writeExternal(ObjectOutput output) Writes the non-transient fields of this class to an external source.

Methods inherited from class wt.introspection.TableInfo

getColumnDescriptors, getTablename, setOwner

Methods inherited from class java.lang.Object

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

Field Detail

externalizationVersionUID

public static final long externalizationVersionUID

Version identifier for managing compatibility and evolution of externalizable classes.

See Also:

Constant Field Values

serialVersionUID

static final long serialVersionUID

See Also:

Constant Field Values

absoluteDir

private String absoluteDir

VERBOSE

static boolean VERBOSE

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

tableSpaceName

private String tableSpaceName

tableSize

private String tableSize

indexTableSpaceName

private String indexTableSpaceName

compositeIndexString

private String[] compositeIndexString

compositeUniqueString

private String[] compositeUniqueString

compositeIndices

private transient String[][] compositeIndices

compositeUniques

private transient String[][] compositeUniques

columnTable

private transient com.objectspace.jgl.OrderedMap columnTable

myColumns

private ColumnDescriptor[] myColumns

myComposites

private com.objectspace.jgl.HashMap myComposites

Constructor Detail

BaseTableInfo

public BaseTableInfo()

Constructor

BaseTableInfo

public BaseTableInfo(String table_name,
                     String table_space_name,
                     String table_size,
                     String index_table_space_name,
                     String[] compositeIndexNames,
                     String[] compositeUniqueNames,
                     ColumnDescriptor[] cols,
                     com.objectspace.jgl.HashMap composites)

Method Detail

accumulateColumns

protected void accumulateColumns()
                          throws WTIntrospectionException

Specified by:

accumulateColumns in class TableInfo

Throws:

WTIntrospectionException

accumulateCompositeIndices

private void accumulateCompositeIndices()
                                 throws WTIntrospectionException

Throws:

WTIntrospectionException

accumulateCompositeUniques

private void accumulateCompositeUniques()
                                 throws WTIntrospectionException

Throws:

WTIntrospectionException

addInfoCols

private ColumnDescriptor[] addInfoCols(ColumnDescriptor[] cols,
                                       BaseTableInfo anotherInfo)
                                throws WTIntrospectionException

Throws:

WTIntrospectionException

addInfoCols

private com.objectspace.jgl.OrderedMap addInfoCols(com.objectspace.jgl.OrderedMap cols,
                                                   BaseTableInfo anotherInfo)
                                            throws WTIntrospectionException

Throws:

WTIntrospectionException

addInfoUniques

private void addInfoUniques(ArrayList accumulator,
                            String[][] another,
                            int index)
                     throws WTIntrospectionException

Throws:

WTIntrospectionException

getColumnDescriptor

public ColumnDescriptor getColumnDescriptor(String name)
                                     throws WTIntrospectionException

Obtain a column descriptor by name

Specified by:

getColumnDescriptor in class TableInfo

Returns:

ColumnDescriptor

Throws:

WTIntrospectionException

getColumnName

private String getColumnName(String attrName)
                      throws WTIntrospectionException

Throws:

WTIntrospectionException

getCompositeIndices

public String[][] getCompositeIndices()
                               throws WTIntrospectionException

Obtain the composite indices

Returns:

String[][] The column names that comprise the indices.

Throws:

WTIntrospectionException

getCompositeUniques

public String[][] getCompositeUniques()
                               throws WTIntrospectionException

Obtain the composite uniqueness constraints

Returns:

String[][] The column names that comprise the uniqueness constraints.

Throws:

WTIntrospectionException

getIndexTableSpaceName

public String getIndexTableSpaceName()

Get the index table space name.

Returns:

Index Table Space Name

getTableSize

public String getTableSize()

Get the table size.

Returns:

Table Size is a categorization, with valid String values of [ TINY | SMALL | MEDIUM | LARGE | HUGE ]

getTableSpaceName

public String getTableSpaceName()

Get the table space name.

Returns:

Table Space Name

handleForeignKeyLink

private void handleForeignKeyLink()
                           throws WTIntrospectionException

Throws:

WTIntrospectionException

isaComposite

boolean isaComposite(String attrName)
               throws WTIntrospectionException

Throws:

WTIntrospectionException

parseElement

private String parseElement(String element)

parseToUnique

private void parseToUnique(ArrayList accumulator,
                           String items,
                           String separator)
                    throws WTIntrospectionException

Throws:

WTIntrospectionException

readExternal

public void readExternal(ObjectInput input)
                  throws IOException,
                         ClassNotFoundException

Reads the non-transient fields of this class from an external source.

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class TableInfo

Parameters:

input -

Throws:

IOException

ClassNotFoundException

setAbsoluteDir

void setAbsoluteDir(String absolute_dir)

writeExternal

public void writeExternal(ObjectOutput output)
                   throws IOException

Writes the non-transient fields of this class to an external source.

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class TableInfo

Parameters:

output -

Throws:

IOException