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author | stuconnolly <stuart02@gmail.com> | 2009-07-21 16:47:11 +0000 |
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committer | stuconnolly <stuart02@gmail.com> | 2009-07-21 16:47:11 +0000 |
commit | 8b8f3e6cea540b17262aadf6d97a8ad28fe41c03 (patch) | |
tree | ad6bb7f53b03924aa24d0cf5822a27b3bd453592 /Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m | |
parent | 383863f98dfc488db0181e01d39da1bb025d421b (diff) | |
download | sequelpro-8b8f3e6cea540b17262aadf6d97a8ad28fe41c03.tar.gz sequelpro-8b8f3e6cea540b17262aadf6d97a8ad28fe41c03.tar.bz2 sequelpro-8b8f3e6cea540b17262aadf6d97a8ad28fe41c03.zip |
Merge framework integration branch back to trunk. Summary of changes:
- Includes all custom code from subclasses CMMCPConnection and CMMCPResult, meaning they have subsequently been removed from the project.
- All previous Sequel Pro specific code in the above subclasses has been removed in favour of the delegate (currently set to TableDocumet) informing the framework of such information.
- All references to CMMCPConnection and CMMCPResult have subsequently been changed to MCPConnection and MCPResult.
- Framework includes MySQL 5.1.36 client libraries and source headers.
- Framework is now built as a 4-way (32/64 bit, i386/PPC arch) binary.
- All import references to <MCPKit_bundled/MCPKit_bundled.h> have been changed to <MCPKit/MCPKit.h>.
- New script 'build-mysql-client.sh' can be used to build the MySQL client libraries from the MySQL source. See the script's header for a list of available options or run it with no arguments to display it's usage.
Note that there are still a few changes to be made to the framework with regard to removing Sequel Pro specific calls to the delegate. These however can be made later on as they have no effect on functionality and are merely design changes.
Also, note that any future development done on the framework should be made to be as 'generic' as possible, with no Sequel Pro specific references. This should allow the framework to be integrated into another project without the need for SP specific code.
Diffstat (limited to 'Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m')
-rw-r--r-- | Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m b/Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m new file mode 100644 index 00000000..57186fdc --- /dev/null +++ b/Frameworks/MCPKit/MCPEntrepriseKit/MCPRelation.m @@ -0,0 +1,486 @@ +// +// $Id: MCPRelation.m 927 2009-06-24 10:53:07Z stuart02 $ +// +// 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 numberWithUnsignedInt:OnDeleteNullify], @"tag", @"Nullify", @"name", nil]]; + [theExistingDeleteRules addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInt:OnDeleteDeny], @"tag", @"Deny", @"name", nil]]; + [theExistingDeleteRules addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInt:OnDeleteCascade], @"tag", @"Cascade", @"name", nil]]; + [theExistingDeleteRules addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInt:OnDeleteDefault], @"tag", @"Default", @"name", nil]]; + [theExistingDeleteRules addObject:[NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithUnsignedInt: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]; + unsigned int 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:(unsigned int) index +{ + [joins insertObject:iJoin atIndex:index]; +} + +- (void) removeObjectFromJoinsAtIndex:(unsigned int) 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]; +} + +- (unsigned int) countOfJoins +{ + return [joins count]; +} + +- (MCPJoin *) objectInJoinsAtIndex:(unsigned int) index +{ + return (MCPJoin *)((NSNotFound != index) ? [joins objectAtIndex:index] : nil); +} + +- (unsigned int) 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 +{ + unsigned int 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 +{ + unsigned int 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]]; + unsigned int 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 |