wt.query.qml
Class LinkJoinInfo

java.lang.Object
  wt.query.qml.JoinInfo
      wt.query.qml.LinkJoinInfo

All Implemented Interfaces:

RemoteAccess

public class LinkJoinInfo

extends JoinInfo

implements RemoteAccess

Field Summary

private static String	CLASSNAME
static boolean	DEBUG
private static Class[]	GET_VALID_ROLES_METHOD_ARG_TYPES
private static Class[]	IS_SWAPPABLE_METHOD_ARG_TYPES
private static Class[]	LINK_ROLES_METHOD_ARG_TYPES
private static DebugWriter	LOG
private static Class[]	METHOD_ARG_TYPES
static int	ROLE_COUNT
static int	ROLE_FROM_INDEX
static int	ROLE_FROM_NAME_INDEX
static int	ROLE_TO_INDEX
static int	ROLE_TO_NAME_INDEX

Fields inherited from class wt.query.qml.JoinInfo

LATEST, OBJECT_ID, OBJECT_REFERENCE, VERSION_ID, VERSION_REFERENCE

Fields inherited from interface wt.method.RemoteAccess

versionID

Constructor Summary

LinkJoinInfo()

Method Summary

private static Hashtable	_buildLinkMap(Vector classesA, Class classB, Hashtable links, Locale a_locale)
static Hashtable	_buildLinkMap(Vector classesA, String classB, Hashtable links, Locale a_locale)
private static Vector	_getValidRoles(Class a_fromClass, Class a_toClass, Class a_linkClass, int a_fromToRole, Locale a_locale)
static Vector	_getValidRoles(String a_fromClass, String a_toClass, String a_linkClass, int a_fromToRole, Locale a_locale)
private static boolean	_isSwappable(Class a_fromClass, Class a_toClass, String a_linkClass)
static boolean	_isSwappable(String a_fromClass, String a_toClass, String a_linkClass)
private static boolean	_validateLinkRoles(Class a_linkClass, Class a_classA, Class a_classB)
static boolean	_validateLinkRoles(String a_linkClass, String a_classA, String a_classB)
protected Hashtable	buildLinkMap(Vector classesA, String classB, Hashtable a_linkMap, Locale a_locale) Builds a Hashtable of valid join classes using introspection information.
protected Hashtable	buildLinkMap(Vector a_classes, String a_classA, String a_classB, Locale a_locale)
boolean	compareRole(String a_fromClass, String a_toClass, String a_linkClass, String a_role, int compareRole, Locale a_locale)
Vector	filterLinks(String a_class, Vector links, Locale a_locale)
static Vector	getValidRoles(String a_fromClass, String a_toClass, String a_linkClass, int a_fromToRole, Locale a_locale)
static boolean	isSwappable(String a_fromClass, String a_toClass, String a_linkClass)
protected Hashtable	postProcessLinkMap(Hashtable a_linkMap, Locale a_locale) Perform any necessary link map post-processing.
boolean	validateLink(String a_link, String a_classA, String a_classB, Locale a_locale)
static boolean	validateLinkRoles(String a_linkClass, String a_classA, String a_classB)

Methods inherited from class wt.query.qml.JoinInfo

buildLinkMap, buildLinkMap, buildLinkMap, buildLinks, buildLinks, buildLinkVector, getLinkJoinInfo, getReferenceJoinInfo, isAssignableFrom, isAssignableFrom, loadClasses

Methods inherited from class java.lang.Object

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

Field Detail

CLASSNAME

private static final String CLASSNAME

DEBUG

public static final boolean DEBUG

LOG

private static final DebugWriter LOG

ROLE_FROM_INDEX

public static final int ROLE_FROM_INDEX

See Also:

Constant Field Values

ROLE_TO_INDEX

public static final int ROLE_TO_INDEX

See Also:

Constant Field Values

ROLE_FROM_NAME_INDEX

public static final int ROLE_FROM_NAME_INDEX

See Also:

Constant Field Values

ROLE_TO_NAME_INDEX

public static final int ROLE_TO_NAME_INDEX

See Also:

Constant Field Values

ROLE_COUNT

public static final int ROLE_COUNT

See Also:

Constant Field Values

METHOD_ARG_TYPES

private static final Class[] METHOD_ARG_TYPES

LINK_ROLES_METHOD_ARG_TYPES

private static final Class[] LINK_ROLES_METHOD_ARG_TYPES

GET_VALID_ROLES_METHOD_ARG_TYPES

private static final Class[] GET_VALID_ROLES_METHOD_ARG_TYPES

IS_SWAPPABLE_METHOD_ARG_TYPES

private static final Class[] IS_SWAPPABLE_METHOD_ARG_TYPES

Constructor Detail

LinkJoinInfo

public LinkJoinInfo()

Method Detail

validateLink

public boolean validateLink(String a_link,
                            String a_classA,
                            String a_classB,
                            Locale a_locale)
                     throws WTException

Overrides:

validateLink in class JoinInfo

Throws:

WTException

validateLinkRoles

public static boolean validateLinkRoles(String a_linkClass,
                                        String a_classA,
                                        String a_classB)
                                 throws WTException

Throws:

WTException

_validateLinkRoles

public static boolean _validateLinkRoles(String a_linkClass,
                                         String a_classA,
                                         String a_classB)
                                  throws WTException,
                                         ClassNotFoundException

Throws:

WTException

ClassNotFoundException

_validateLinkRoles

private static boolean _validateLinkRoles(Class a_linkClass,
                                          Class a_classA,
                                          Class a_classB)
                                   throws WTException

Throws:

WTException

buildLinkMap

protected Hashtable buildLinkMap(Vector a_classes,
                                 String a_classA,
                                 String a_classB,
                                 Locale a_locale)
                          throws WTException

Specified by:

buildLinkMap in class JoinInfo

Throws:

WTException

buildLinkMap

protected Hashtable buildLinkMap(Vector classesA,
                                 String classB,
                                 Hashtable a_linkMap,
                                 Locale a_locale)
                          throws WTException

Builds a Hashtable of valid join classes using introspection information. A join class is included for all valid link associations between classes in classesA and classB.

Specified by:

buildLinkMap in class JoinInfo

Parameters:

classesA - classes to check

classB - class to check

a_linkMap - existing map to add join classes to

a_locale - Locale for display names

Returns:

Hashtable where keys are the join Class and the elements are ClassInfo

Throws:

WTException

_buildLinkMap

public static Hashtable _buildLinkMap(Vector classesA,
                                      String classB,
                                      Hashtable links,
                                      Locale a_locale)
                               throws WTException,
                                      ClassNotFoundException

Throws:

WTException

ClassNotFoundException

_buildLinkMap

private static Hashtable _buildLinkMap(Vector classesA,
                                       Class classB,
                                       Hashtable links,
                                       Locale a_locale)
                                throws WTException

Throws:

WTException

postProcessLinkMap

protected Hashtable postProcessLinkMap(Hashtable a_linkMap,
                                       Locale a_locale)
                                throws WTException

Description copied from class: JoinInfo

Perform any necessary link map post-processing.

Specified by:

postProcessLinkMap in class JoinInfo

Throws:

WTException

filterLinks

public Vector filterLinks(String a_class,
                          Vector links,
                          Locale a_locale)
                   throws WTException

Throws:

WTException

getValidRoles

public static Vector getValidRoles(String a_fromClass,
                                   String a_toClass,
                                   String a_linkClass,
                                   int a_fromToRole,
                                   Locale a_locale)
                            throws WTException

Throws:

WTException

_getValidRoles

public static Vector _getValidRoles(String a_fromClass,
                                    String a_toClass,
                                    String a_linkClass,
                                    int a_fromToRole,
                                    Locale a_locale)
                             throws ClassNotFoundException

Throws:

ClassNotFoundException

_getValidRoles

private static Vector _getValidRoles(Class a_fromClass,
                                     Class a_toClass,
                                     Class a_linkClass,
                                     int a_fromToRole,
                                     Locale a_locale)

compareRole

public boolean compareRole(String a_fromClass,
                           String a_toClass,
                           String a_linkClass,
                           String a_role,
                           int compareRole,
                           Locale a_locale)

isSwappable

public static boolean isSwappable(String a_fromClass,
                                  String a_toClass,
                                  String a_linkClass)
                           throws WTException

Throws:

WTException

_isSwappable

public static boolean _isSwappable(String a_fromClass,
                                   String a_toClass,
                                   String a_linkClass)
                            throws WTException,
                                   ClassNotFoundException

Throws:

WTException

ClassNotFoundException

_isSwappable

private static boolean _isSwappable(Class a_fromClass,
                                    Class a_toClass,
                                    String a_linkClass)
                             throws WTException

Throws:

WTException