wt.introspection
Class DatabaseViewInfo

java.lang.Object
  wt.introspection.TableInfo
      wt.introspection.DatabaseViewInfo

All Implemented Interfaces:

Externalizable, Serializable

public class DatabaseViewInfo

extends TableInfo

implements Serializable

DatabaseViewInfo is the class for providing meta-data about a database view for the class.

Supported API: false

Extendable: false

See Also:

WTIntrospector, ClassInfo, DatabaseInfo, AliasDescriptor, Serialized Form

Field Summary

private com.objectspace.jgl.OrderedMap	aliasTable
private static String	ALPHABET
private ClassInfo[]	classes
private String[]	classnames
private CriteriaDescriptor[]	criterion
static long	externalizationVersionUID Version identifier for managing compatibility and evolution of externalizable classes.
private static ArrayList	recursionTrail
private static String	RESOURCE
(package private) static long	serialVersionUID
private String[]	tableAliases
(package private) static boolean	VERBOSE

Fields inherited from class wt.introspection.TableInfo

COLUMN_NAME_MAX_LENGTH, columns, owner

Constructor Summary

DatabaseViewInfo()

DatabaseViewInfo(String view_name)

Method Summary

protected void	accumulateClasses()
protected void	accumulateColumns()
private void	addArrayToVector(ArrayList vector, Object[] array)
private void	addCriteria(ArrayList collector, String tableID, RoleDescriptor role, DatabaseInfo target)
private static ColumnDescriptor	getAliasDescriptor(String name, ColumnDescriptor[] columns)
ClassInfo[]	getClasses() Answer with the ordered list of ClassInfo that comprise this view.
ColumnDescriptor	getColumnDescriptor(String name) Obtain a column descriptor by name
CriteriaDescriptor[]	getCriterion() Answer an array of CriteriaInfo's
String[]	getTableAliases() Answer with the ordered list of table aliases that comprise this view.
private String	stripThe(String a_string)

Methods inherited from class wt.introspection.TableInfo

getColumnDescriptors, getTablename, readExternal, setOwner, writeExternal

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

ALPHABET

private static final String ALPHABET

See Also:

Constant Field Values

VERBOSE

static boolean VERBOSE

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

classnames

private transient String[] classnames

tableAliases

private transient String[] tableAliases

classes

private transient ClassInfo[] classes

criterion

private transient CriteriaDescriptor[] criterion

aliasTable

private transient com.objectspace.jgl.OrderedMap aliasTable

recursionTrail

private static ArrayList recursionTrail

Constructor Detail

DatabaseViewInfo

public DatabaseViewInfo()

DatabaseViewInfo

public DatabaseViewInfo(String view_name)

Method Detail

accumulateClasses

protected void accumulateClasses()
                          throws WTIntrospectionException

Throws:

WTIntrospectionException

accumulateColumns

protected void accumulateColumns()
                          throws WTIntrospectionException

Specified by:

accumulateColumns in class TableInfo

Throws:

WTIntrospectionException

addArrayToVector

private void addArrayToVector(ArrayList vector,
                              Object[] array)

addCriteria

private void addCriteria(ArrayList collector,
                         String tableID,
                         RoleDescriptor role,
                         DatabaseInfo target)
                  throws WTIntrospectionException

Throws:

WTIntrospectionException

getAliasDescriptor

private static ColumnDescriptor getAliasDescriptor(String name,
                                                   ColumnDescriptor[] columns)
                                            throws WTIntrospectionException

Throws:

WTIntrospectionException

getClasses

public ClassInfo[] getClasses()
                       throws WTIntrospectionException

Answer with the ordered list of ClassInfo that comprise this view.

Returns:

Array of ClassInfo's

Throws:

WTIntrospectionException

getColumnDescriptor

public ColumnDescriptor getColumnDescriptor(String name)
                                     throws WTIntrospectionException

Obtain a column descriptor by name

Specified by:

getColumnDescriptor in class TableInfo

Returns:

AliasDescriptor

Throws:

WTIntrospectionException

getCriterion

public CriteriaDescriptor[] getCriterion()
                                  throws WTIntrospectionException

Answer an array of CriteriaInfo's

Returns:

array of CriteriaInfo's

Throws:

WTIntrospectionException

getTableAliases

public String[] getTableAliases()
                         throws WTIntrospectionException

Answer with the ordered list of table aliases that comprise this view.

Returns:

Array of Strings that are table aliases.

Throws:

WTIntrospectionException

stripThe

private String stripThe(String a_string)