wt.query.qml
Class JoinInfo

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

Direct Known Subclasses:

LinkJoinInfo, ReferenceJoinInfo

public abstract class JoinInfo

extends Object

Field Summary

static String	LATEST
private static LinkJoinInfo	linkJoinInfo
static String	OBJECT_ID
static String	OBJECT_REFERENCE
private static ReferenceJoinInfo	referenceJoinInfo
static String	VERSION_ID
static String	VERSION_REFERENCE

Constructor Summary

JoinInfo()

Method Summary

protected Hashtable	buildLinkMap(String classA, String classB, Hashtable a_linkMap, Locale a_locale) Builds a Hashtable of valid join classes using introspection information.
protected Hashtable	buildLinkMap(String a_classA, Vector a_classesB, Hashtable a_linkMap, Locale a_locale) Builds a Hashtable of valid join classes using introspection information.
protected abstract Hashtable	buildLinkMap(Vector classesA, String classB, Hashtable a_linkMap, Locale a_locale) Builds a Hashtable of valid join classes using introspection information.
protected abstract Hashtable	buildLinkMap(Vector a_classes, String a_classA, String a_classB, Locale a_locale)
protected Hashtable	buildLinkMap(Vector classesA, Vector classesB, Hashtable a_linkMap, Locale a_locale)
Vector	buildLinks(Vector a_classes, String a_classA, String a_classB, Locale a_locale)
Vector	buildLinks(Vector a_classesA, Vector a_classesB, Locale a_locale)
protected static Vector	buildLinkVector(Hashtable a_links)
static LinkJoinInfo	getLinkJoinInfo()
static ReferenceJoinInfo	getReferenceJoinInfo()
protected static boolean	isAssignableFrom(Class validClass, Vector classes) Checks if the class is assignable from any class in classes.
protected static boolean	isAssignableFrom(Vector a_parentClasses, Class a_targetClass) Checks if the class is assignable from any class in classes.
protected static Vector	loadClasses(Vector a_classes)
protected abstract 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)

Methods inherited from class java.lang.Object

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

Field Detail

OBJECT_ID

public static final String OBJECT_ID

See Also:

Constant Field Values

VERSION_ID

public static final String VERSION_ID

See Also:

Constant Field Values

OBJECT_REFERENCE

public static final String OBJECT_REFERENCE

See Also:

Constant Field Values

VERSION_REFERENCE

public static final String VERSION_REFERENCE

See Also:

Constant Field Values

LATEST

public static final String LATEST

See Also:

Constant Field Values

linkJoinInfo

private static final LinkJoinInfo linkJoinInfo

referenceJoinInfo

private static final ReferenceJoinInfo referenceJoinInfo

Constructor Detail

JoinInfo

public JoinInfo()

Method Detail

getLinkJoinInfo

public static LinkJoinInfo getLinkJoinInfo()

getReferenceJoinInfo

public static ReferenceJoinInfo getReferenceJoinInfo()

buildLinks

public Vector buildLinks(Vector a_classes,
                         String a_classA,
                         String a_classB,
                         Locale a_locale)
                  throws WTException

Throws:

WTException

buildLinks

public Vector buildLinks(Vector a_classesA,
                         Vector a_classesB,
                         Locale a_locale)
                  throws WTException

Throws:

WTException

validateLink

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

Throws:

WTException

buildLinkMap

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

Throws:

WTException

buildLinkMap

protected Hashtable buildLinkMap(String classA,
                                 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 joinassociations between classA and classB.

Parameters:

classA - class 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

protected Hashtable buildLinkMap(String a_classA,
                                 Vector a_classesB,
                                 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 join associations between classA and the classesB Vector.

Parameters:

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

protected abstract 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.

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

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

Throws:

WTException

postProcessLinkMap

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

Perform any necessary link map post-processing.

Throws:

WTException

buildLinkVector

protected static Vector buildLinkVector(Hashtable a_links)

loadClasses

protected static Vector loadClasses(Vector a_classes)
                             throws ClassNotFoundException

Throws:

ClassNotFoundException

isAssignableFrom

protected static boolean isAssignableFrom(Class validClass,
                                          Vector classes)

Checks if the class is assignable from any class in classes.

Parameters:

validClass - class to check

classes - list of classes to validate against

Returns:

true if the class is assignable from any class in classes.

isAssignableFrom

protected static boolean isAssignableFrom(Vector a_parentClasses,
                                          Class a_targetClass)

Checks if the class is assignable from any class in classes.

Parameters:

a_parentClasses - Vector of parent classes to check

a_targetClass - class to check against

Returns:

true if any of the parent classes is assignable from the target class