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Diffstat (limited to 'Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m')
| -rw-r--r-- | Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m b/Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m deleted file mode 100644 index 6d1e58f4..00000000 --- a/Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m +++ /dev/null @@ -1,486 +0,0 @@ -// -// $Id$ -// -// MCPRelation.m -// MCPKit -// -// Created by Serge Cohen (serge.cohen@m4x.org) on 11/08/04. -// Copyright (c) 2004 Serge Cohen. All rights reserved. -// -// Forked by the Sequel Pro team (sequelpro.com), April 2009 -// -// This program is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation; either version 2 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program; if not, write to the Free Software -// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -// -// More info at <http://mysql-cocoa.sourceforge.net/> -// More info at <http://code.google.com/p/sequel-pro/> - -#import "MCPRelation.h" -#import "MCPRelation+Private.h" - -#import "MCPEntrepriseNotifications.h" - -#import "MCPModel.h" -#import "MCPClassDescription.h" -#import "MCPClassDescription+Private.h" -#import "MCPAttribute.h" - -#import "MCPJoin.h" - -static NSArray *MCPexistingDeleteRules; - -@implementation MCPRelation - -#pragma mark Class methods -+ (void) initialize -{ - if (self = [MCPRelation class]) { - NSMutableArray *theExistingDeleteRules = [[NSMutableArray alloc] init]; - - [self setVersion:010101]; // Ma.Mi.Re -> MaMiRe - - [theExistingDeleteRules addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInteger:OnDeleteNullify], @"tag", @"Nullify", @"name", nil]]; - [theExistingDeleteRules addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInteger:OnDeleteDeny], @"tag", @"Deny", @"name", nil]]; - [theExistingDeleteRules addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInteger:OnDeleteCascade], @"tag", @"Cascade", @"name", nil]]; - [theExistingDeleteRules addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInteger:OnDeleteDefault], @"tag", @"Default", @"name", nil]]; - [theExistingDeleteRules addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInteger:OnDeleteNoAction], @"tag", @"No Action", @"name", nil]]; - MCPexistingDeleteRules = [[NSArray alloc] initWithArray:theExistingDeleteRules]; - [theExistingDeleteRules release]; - } - return; -} - -+ (NSArray *) existingDeleteRules -{ - return MCPexistingDeleteRules; -} - -- (NSArray *) existingDeleteRules -{ - return [MCPRelation existingDeleteRules]; -} - - -#pragma mark Life cycle -- (id) initWithName:(NSString *) iName from:(MCPClassDescription *) iFrom to:(MCPClassDescription *) iTo -{ - self = [super init]; - if (self) { - [self setName:iName]; - [self setOrigin:iFrom]; - [self setDestination:iTo]; - joins = [[NSMutableArray alloc] init]; - } - return self; -} - -- (void) invalidateRelation -{ - [self retain]; // To be sure not to be released before the end of the method - [self invalidateJoins]; // Remove each of the joins (so that attributes get notified) -/* - [origin removeObjectFromRelationsAtIndex:[[origin relations] indexOfObjectIdenticalTo:self]]; - origin = nil; - [destination removeObjectFromIncomingsAtIndex:[[destination incomings] indexOfObjectIdenticalTo:self]]; - destination = nil; -*/ - [self setOrigin:nil]; - [self setDestination:nil]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - [self release]; -} - -- (void) dealloc -{ - [joins release]; // Should be empty by now... - [name release]; -// The inverse relation don't have an inverse relation any more... -// [inverseRelation setInverseRelation:nil]; - [self setInverseRelation:nil]; -// Other are weak references. - [super dealloc]; -} - -#pragma mark NSCoding protocol -- (id) initWithCoder:(NSCoder *) decoder -{ - self = [super init]; - if ((self) && ([decoder allowsKeyedCoding])) { - [self setName:[decoder decodeObjectForKey:@"MCPname"]]; - [self setDeleteRule:(MCPRelationDeleteRule)[decoder decodeInt32ForKey:@"MCPdeleteRule"]]; - if ([decoder containsValueForKey:@"MCPinverseRelation"]) { - [self setInverseRelation:[decoder decodeObjectForKey:@"MCPinverseRelation"]]; - } - else { - [self setInverseRelation:nil]; - } - [self setOrigin:[decoder decodeObjectForKey:@"MCPorigin"]]; - [self setDestination:[decoder decodeObjectForKey:@"MCPdestination"]]; -// [self setJoins:[decoder decodeObjectForKey:@"MCPjoins"]]; - joins = [[NSMutableArray alloc] initWithArray:[decoder decodeObjectForKey:@"MCPjoins"]]; - [self setIsToMany:[decoder decodeBoolForKey:@"MCPisToMany"]]; - [self setIsMandatory:[decoder decodeBoolForKey:@"MCPisMandatory"]]; - [self setOwnsDestintation:[decoder decodeBoolForKey:@"MCPownsDestination"]]; - } - - return self; -} - -- (void) encodeWithCoder:(NSCoder *) encoder -{ - if (! [encoder allowsKeyedCoding]) { - NSLog(@"In MCPRelation -encodeWithCoder : Unable to encode to a non-keyed encoder!!, will not perform encoding!!"); - return; - } - [encoder encodeObject:[self name] forKey:@"MCPname"]; - [encoder encodeInt32:(int32_t)[self deleteRule] forKey:@"MCPdeleteRule"]; - if ([self inverseRelation]) { - [encoder encodeObject:[self inverseRelation] forKey:@"MCPinverseRelation"]; - } - [encoder encodeObject:[self origin] forKey:@"MCPorigin"]; - [encoder encodeObject:[self destination] forKey:@"MCPdestination"]; - [encoder encodeObject:[self joins] forKey:@"MCPjoins"]; - [encoder encodeBool:[self isToMany] forKey:@"MCPisToMany"]; - [encoder encodeBool:[self isMandatory] forKey:@"MCPisMandatory"]; - [encoder encodeBool:[self ownsDestination] forKey:@"MCPownsDestination"]; -} - -#pragma mark Making new joins -/* -- (MCPJoin *) addNewJoin // Usefull for the interface, to be able to create a new join by just using a binding. -{ - [self addJoinFrom:[origin objectInAttributesAtIndex:0] to:[destination objectInAttributesAtIndex:0]]; -} -*/ - -- (MCPJoin *) addJoinFrom:(MCPAttribute *) iFrom to:(MCPAttribute *) iTo -{ - MCPJoin *theJoin; - - if ([iFrom classDescription] != [self origin]) { - NSLog(@"Tried to make a join starting from an attribute (%@) that does NOT belong to the origin class description (%@)! Will not perform the link", iFrom, [self origin]); - return nil; - } - if ([iTo classDescription] != [self destination]) { - NSLog(@"Tried to make a join arriving to an attribute (%@) that does NOT belong to the destination class description (%@)! Will not perform the link", iTo, [self destination]); - return nil; - } - theJoin = [[MCPJoin alloc] initForRelation:self from:iFrom to:iTo]; -// theJoin = [[MCPJoin alloc] initFrom:iFrom to:iTo]; -// [joins addObject:theJoin]; - [joins insertObject:theJoin atIndex:[joins count]]; - [theJoin release]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - return theJoin; -} - -- (void) removeJoinFrom:(MCPAttribute *) iFrom to:(MCPAttribute *) iTo -{ - NSDictionary *theJoinDict = [[NSDictionary alloc] initWithObjectsAndKeys:self, @"relation", iFrom, @"origin", iTo, @"destination", nil]; - NSUInteger i = [joins indexOfObject:theJoinDict]; - - if (NSNotFound != i) { - [[self objectInJoinsAtIndex:i] invalidate]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - } - [theJoinDict release]; -} - -/* -- (void) unjoinAttribute:(MCPAttribute *) iAttribute -{ - unsigned int i = 0; - -#warning HAVE to rewrite this code!!! - if ([[iAttribute classDescription] isEqual:origin]) { - for (i=0; ([joins count] != i) && ([iAttribute isEqual:[(MCPJoin *)[joins objectAtIndex:i] origin]]); ++i) { - } - } - if ([[iAttribute classDescription] isEqual:destination]) { - for (i=0; ([joins count] != i) && ([iAttribute isEqual:[(MCPJoin *)[joins objectAtIndex:i] destination]]); ++i) { - } - } - if ((0 == i) || ([joins count] == i)) { // No joins found using this attribute. - return; - } - [self removeJoinFrom:[(MCPJoin *)[joins objectAtIndex:i] origin] to:[(MCPJoin *)[joins objectAtIndex:i] destination]]; -} -*/ - -#pragma mark Setters -- (void) setDestination:(MCPClassDescription *) iDestination -{ - if (iDestination != destination) { - [destination removeObjectFromIncomingsAtIndex:[[destination incomings] indexOfObjectIdenticalTo:self]]; - destination = iDestination; - [destination insertObject:self inIncomingsAtIndex:0]; - [self invalidateJoins]; - } -} - - -- (void) setName:(NSString *) iName -{ - if (iName != name) { - [name release]; - name = [iName retain]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPModelChangedNotification object:[origin model]]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPClassDescriptionChangedNotification object:origin]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - } -} - -- (void) setDeleteRule:(MCPRelationDeleteRule) iDeleteRule -{ - if (iDeleteRule != deleteRule) { // Don't do the notification for nothing!!! - deleteRule = iDeleteRule; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPModelChangedNotification object:[origin model]]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPClassDescriptionChangedNotification object:origin]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - } -} - -- (void) setInverseRelation:(MCPRelation *) iInverseRelation -{ - if (iInverseRelation != inverseRelation) { - [inverseRelation release]; - inverseRelation = [iInverseRelation retain]; - [inverseRelation setInverseRelation:self]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPModelChangedNotification object:[origin model]]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPClassDescriptionChangedNotification object:origin]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - } -} - -- (void) insertObject:(MCPJoin *) iJoin inJoinsAtIndex:(NSUInteger) index -{ - [joins insertObject:iJoin atIndex:index]; -} - -- (void) removeObjectFromJoinsAtIndex:(NSUInteger) index -{ - [joins removeObjectAtIndex:index]; -} - -- (void) setIsToMany:(BOOL) iIsToMany -{ - if (iIsToMany != isToMany) { // Don't do the notification for nothing!!! - isToMany = iIsToMany; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPModelChangedNotification object:[origin model]]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPClassDescriptionChangedNotification object:origin]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - } -} - -- (void) setIsMandatory:(BOOL) iIsMandatory -{ - if (iIsMandatory != isMandatory) { // Don't do the notification for nothing!!! - isMandatory = iIsMandatory; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPModelChangedNotification object:[origin model]]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPClassDescriptionChangedNotification object:origin]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - } -} - -- (void) setOwnsDestintation:(BOOL) iOwnsDestination -{ - if (iOwnsDestination != ownsDestination) { // Don't do the notification for nothing!!! - ownsDestination = iOwnsDestination; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPModelChangedNotification object:[origin model]]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPClassDescriptionChangedNotification object:origin]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - } -} - -#pragma mark Getters -- (NSString *) name -{ - return name; -} - -- (MCPRelationDeleteRule) deleteRule -{ - return deleteRule; -} - -- (MCPRelation *) inverseRelation -{ - return inverseRelation; -} - -- (MCPClassDescription *) origin -{ - return origin; -} - -- (MCPClassDescription *) destination -{ - return destination; -} - -- (NSArray *) joins -{ - return [NSArray arrayWithArray:joins]; -} - -- (NSUInteger) countOfJoins -{ - return [joins count]; -} - -- (MCPJoin *) objectInJoinsAtIndex:(NSUInteger) index -{ - return (MCPJoin *)((NSNotFound != index) ? [joins objectAtIndex:index] : nil); -} - -- (NSUInteger) indexOfJoinIdenticalTo:(id) iJoin -{ - return [joins indexOfObjectIdenticalTo:iJoin]; -} - -- (BOOL) isToMany -{ - return isToMany; -} - -- (BOOL) isMandatory -{ - return isMandatory; -} - -- (BOOL) ownsDestination -{ - return ownsDestination; -} - -#pragma mark Some Usefull methods - -- (MCPAttribute *) destinationAttributeForOrigin:(MCPAttribute *) iFrom -{ - NSUInteger i; - - for (i=0; ([joins count] != i) && ([[(MCPJoin *)[joins objectAtIndex:i] origin] isEqual:iFrom]); ++i) { - } - return ([joins count] == i) ? nil : [(MCPJoin *)[joins objectAtIndex:i] destination]; -} - -- (MCPAttribute *) originAttributeForDestination:(MCPAttribute *) iTo -{ - NSUInteger i; - - for (i=0; ([joins count] != i) && ([[(MCPJoin *)[joins objectAtIndex:i] destination] isEqual:iTo]); ++i) { - } - return ([joins count] == i) ? nil : [(MCPJoin *)[joins objectAtIndex:i] origin]; -} - - -#pragma mark Some general methods: -- (BOOL) isEqual:(id) iObject -// Equal to another relation, if they have the same name and same origin and destination class descriptions (they have the same names). -// Equal to a string (NSString), if the name of the relation is equal to the string. -{ - if ([iObject isKindOfClass:[MCPRelation class]]) { - MCPRelation *theRelation = (MCPRelation *) iObject; - - return ([name isEqualToString:[theRelation name]]) && ([[self origin] isEqual:[theRelation origin]]) && ([[self destination] isEqual:[theRelation destination]]); - } - if ([iObject isKindOfClass:[NSString class]]) { - return [name isEqualToString:(NSString *)iObject]; - } - return NO; -} - -- (NSString *) descriptionWithLocale:(NSDictionary *) locale -{ - NSMutableString *theRet = [NSMutableString stringWithFormat:@"MCPRelation named %@, going from %@ to %@. Joins :\n", name, [origin name], [destination name]]; - NSUInteger i; - - for (i = 0; [joins count] != i; ++i) { - MCPJoin *tmpJoin = (MCPJoin *)[joins objectAtIndex:i]; - [theRet appendFormat:@"\t\t%@ == %@\n", [[tmpJoin origin] name], [[tmpJoin destination] name]]; - } - return theRet; -} - - -#pragma mark For debugging the retain counting -- (id) retain -{ - [super retain]; - return self; -} - -- (void) release -{ - [super release]; - return; -} - -@end - -@implementation MCPRelation (Private) - -#pragma mark Making some work -- (void) invalidateJoins -{ - while ([joins count]) { - [[self objectInJoinsAtIndex:0] invalidate]; - } - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; -} - -#pragma mark Setters -- (void) setOrigin:(MCPClassDescription *) iOrigin -{ - if (iOrigin != origin) { - [origin removeObjectFromRelationsAtIndex:[[origin relations] indexOfObjectIdenticalTo:self]]; - origin = iOrigin; - [origin insertObject:self inRelationsAtIndex:[origin countOfRelations]]; - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - [self invalidateJoins]; - } -} - -/* -- (void) setJoins:(NSArray *) iJoins -{ - if (iJoins != joins) { - unsigned int i; - if (joins) { - [self invalidateJoins]; - } - else { - joins = [[NSMutableArray alloc] init]; - } - for (i=0; [iJoins count] != i; ++i) { - [self addJoinFrom:[(MCPJoin *)[iJoins objectAtIndex:i] origin] to:[(MCPJoin *)[iJoins objectAtIndex:i] destination]]; - } - [[NSNotificationCenter defaultCenter] postNotificationName:MCPRelationChangedNotification object:self]; - } -} -*/ - -#pragma mark Getters -- (MCPModel *) model -{ - return [origin model]; -} - -#pragma mark Fro the controller layer and the UI -- (void) addNewDefaultJoin // Usefull for the interface, to be able to create a new join by just using a binding. -{ - [self addJoinFrom:[origin objectInAttributesAtIndex:0] to:[destination objectInAttributesAtIndex:0]]; -} - -@end |