/* Copyright (C) 2000-2004 SKYRIX Software AG This file is part of OpenGroupware.org. OGo is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. OGo 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with OGo; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "EOFetchSpecification.h" #include "EOQualifier.h" #include "EOSortOrdering.h" #include "common.h" @implementation EOFetchSpecification + (EOFetchSpecification *)fetchSpecificationWithEntityName:(NSString *)_ename qualifier:(EOQualifier *)_qualifier sortOrderings:(NSArray *)_sortOrderings { EOFetchSpecification *fs = nil; fs = [[self alloc] initWithEntityName:_ename qualifier:_qualifier sortOrderings:_sortOrderings usesDistinct:NO isDeep:NO hints:nil]; return [fs autorelease]; } - (id)initWithEntityName:(NSString *)_name qualifier:(EOQualifier *)_qualifier sortOrderings:(NSArray *)_sortOrderings usesDistinct:(BOOL)_dflag isDeep:(BOOL)_isDeep hints:(NSDictionary *)_hints { if ((self = [super init])) { self->entityName = [_name copyWithZone:[self zone]]; self->qualifier = [_qualifier retain]; self->sortOrderings = [_sortOrderings retain]; self->fetchLimit = 0; self->hints = [_hints retain]; self->fsFlags.usesDistinct = _dflag ? 1 : 0; self->fsFlags.deep = _isDeep ? 1 : 0; } return self; } - (id)initWithEntityName:(NSString *)_name qualifier:(EOQualifier *)_qualifier sortOrderings:(NSArray *)_sortOrderings usesDistinct:(BOOL)_dflag { // DEPRECATED // Note: this does not work with GDL2! (and probably not with EOF 4) return [self initWithEntityName:_name qualifier:_qualifier sortOrderings:_sortOrderings usesDistinct:_dflag isDeep:NO hints:nil]; } - (id)init { if ((self = [super init])) { } return self; } - (void)dealloc { [self->hints release]; [self->entityName release]; [self->qualifier release]; [self->sortOrderings release]; [super dealloc]; } /* accessors */ - (void)setEntityName:(NSString *)_name { if (_name != self->entityName) { #if !LIB_FOUNDATION_BOEHM_GC id tmp = self->entityName; #endif self->entityName = [_name copyWithZone:[self zone]]; [tmp release]; } } - (NSString *)entityName { return self->entityName; } - (void)setQualifier:(EOQualifier *)_qualifier { ASSIGN(self->qualifier, _qualifier); } - (EOQualifier *)qualifier { return self->qualifier; } - (void)setSortOrderings:(NSArray *)_orderings { ASSIGN(self->sortOrderings, _orderings); } - (NSArray *)sortOrderings { return self->sortOrderings; } - (void)setUsesDistinct:(BOOL)_flag { self->fsFlags.usesDistinct = _flag ? 1 : 0; } - (BOOL)usesDistinct { return self->fsFlags.usesDistinct ? YES : NO; } - (void)setLocksObjects:(BOOL)_flag { self->fsFlags.locksObjects = _flag ? 1 : 0; } - (BOOL)locksObjects { return self->fsFlags.locksObjects ? YES : NO; } - (void)setIsDeep:(BOOL)_flag { self->fsFlags.deep = _flag ? 1 : 0; } - (BOOL)isDeep { return self->fsFlags.deep ? YES : NO; } - (void)setFetchLimit:(unsigned)_limit { self->fetchLimit = _limit; } - (unsigned)fetchLimit { return self->fetchLimit; } - (void)setHints:(NSDictionary *)_hints { ASSIGN(self->hints, _hints); } - (NSDictionary *)hints { return self->hints; } /* bindings */ - (EOFetchSpecification *) fetchSpecificationWithQualifierBindings:(NSDictionary *)_bindings { EOQualifier *q = nil; EOFetchSpecification *newfs = nil; q = [[self qualifier] qualifierWithBindings:_bindings requiresAllVariables:NO]; newfs = [[[self class] alloc] initWithEntityName:[self entityName] qualifier:q sortOrderings:[self sortOrderings] usesDistinct:[self usesDistinct]]; [newfs setLocksObjects:[self locksObjects]]; [newfs setFetchLimit:[self fetchLimit]]; return [newfs autorelease]; } /* GDL2 compatibility */ - (EOFetchSpecification *) fetchSpecificationByApplyingBindings:(NSDictionary *)_bindings { return [self fetchSpecificationWithQualifierBindings:_bindings]; } /* NSCopying */ - (id)copyWithZone:(NSZone *)_zone { EOFetchSpecification *fspec; NSDictionary *hdict; hdict = [[self hints] copy]; fspec = [[[self class] alloc] initWithEntityName:[self entityName] qualifier:[self qualifier] sortOrderings:[self sortOrderings] usesDistinct:[self usesDistinct] isDeep:[self isDeep] hints:hdict]; [fspec setLocksObjects:[self locksObjects]]; [fspec setFetchLimit:[self fetchLimit]]; [hdict release]; return fspec; } /* Equality */ - (BOOL)isEqualToFetchSpecification:(EOFetchSpecification *)_fspec { id t1, t2; if (_fspec == self) return YES; t1 = [self entityName]; t2 = [_fspec entityName]; if (t1 != t2) { if (![t1 isEqualToString:t2]) return NO; } t1 = [self sortOrderings]; t2 = [_fspec sortOrderings]; if (t1 != t2) { if (![t1 isEqual:t2]) return NO; } t1 = [self qualifier]; t2 = [_fspec qualifier]; if (t1 != t2) { if (![t1 isEqual:t2]) return NO; } if ([self usesDistinct] != [_fspec usesDistinct]) return NO; if ([self locksObjects] != [_fspec locksObjects]) return NO; if ([self fetchLimit] != [_fspec fetchLimit]) return NO; t1 = [self hints]; t2 = [_fspec hints]; if (t1 != t2) { if (![t1 isEqual:t2]) return NO; } return YES; } - (BOOL)isEqual:(id)_other { if ([_other isKindOfClass:[EOFetchSpecification class]]) return [self isEqualToFetchSpecification:_other]; return NO; } /* remapping keys */ - (EOFetchSpecification *)fetchSpecificationByApplyingKeyMap:(NSDictionary *)_m { NSAutoreleasePool *pool; EOFetchSpecification *fs; NSMutableDictionary *lHints; EOQualifier *q = nil; NSMutableArray *o = nil; pool = [[NSAutoreleasePool alloc] init]; /* process qualifier */ q = [self->qualifier qualifierByApplyingKeyMap:_m]; /* process attributes */ if (self->hints) { NSArray *a; unsigned len; a = [self->hints objectForKey:@"attributes"]; if ((len = [a count]) > 0) { NSMutableArray *ma; unsigned i; ma = [[NSMutableArray alloc] initWithCapacity:(len + 1)]; for (i = 0; i < len; i++) { NSString *key, *tkey; key = [a objectAtIndex:i]; tkey = [_m objectForKey:key]; [ma addObject:(tkey ? tkey : key)]; } lHints = [self->hints mutableCopy]; [lHints setObject:ma forKey:@"attributes"]; [ma release]; } else lHints = [self->hints retain]; } else lHints = nil; /* process orderings */ if (self->sortOrderings) { unsigned i, len; len = [self->sortOrderings count]; o = [[NSMutableArray alloc] initWithCapacity:len]; for (i = 0; i < len; i++) { EOSortOrdering *so, *tso; so = [self->sortOrderings objectAtIndex:i]; tso = [so sortOrderingByApplyingKeyMap:_m]; [o addObject:tso ? tso : so]; } } else o = nil; /* construct result */ fs = [[EOFetchSpecification alloc] initWithEntityName:self->entityName qualifier:q sortOrderings:o usesDistinct:[self usesDistinct] isDeep:[self isDeep] hints:[self hints]]; [fs setLocksObjects:[self locksObjects]]; [fs setFetchLimit:self->fetchLimit]; if (lHints) { [fs setHints:lHints]; [lHints release]; } [o release]; [pool release]; return [fs autorelease]; } /* description */ - (NSString *)description { NSMutableString *ms; id tmp; ms = [NSMutableString stringWithCapacity:128]; [ms appendFormat:@"<%@[0x%08X]:", NSStringFromClass([self class]), self]; if ((tmp = [self entityName])) [ms appendFormat:@" entity=%@", tmp]; if ((tmp = [self qualifier])) [ms appendFormat:@" qualifier=%@", tmp]; if ((tmp = [self sortOrderings])) [ms appendFormat:@" orderings=%@", tmp]; if ([self locksObjects]) [ms appendString:@" locks"]; if ([self usesDistinct]) [ms appendString:@" distinct"]; if ([self fetchLimit] > 0) [ms appendFormat:@" limit=%i", [self fetchLimit]]; if ((tmp = [self hints])) { NSEnumerator *e; NSString *hint; BOOL isFirst = YES; [ms appendString:@" hints:"]; e = [tmp keyEnumerator]; while ((hint = [e nextObject])) { if (isFirst) isFirst = NO; else [ms appendString:@","]; [ms appendString:hint]; [ms appendString:@"="]; [ms appendString:[[(NSDictionary *)tmp objectForKey:hint] stringValue]]; } } [ms appendString:@">"]; return ms; } @end /* EOFetchSpecification */