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b738a6145b
-describeTableNames]): implemented. * EOAccess/EOSQLExpression.h: added missing declaration. * EOAccess/EORelationship.m ([EORelationship -removeJoin:]): added cast. * EOAccess/EOModel.m ([EOModel -dealloc]): removes observer correctly. * EOAccess/EODatabaseContext.h: added missing declaration. * EOControl/EOFetchSpecification.m ([EOFetchSpecification -copyWithZone:]): fixed cast. ([EOFetchSpecification -hints]): added cast. * EOControl/EOClassDescription.m ([NSException +validationExceptionWithFormat:]), ([NSException +aggregateExceptionWithExceptions:]), ([NSException -exceptionAddingEntriesToUserInfo:]): renamed local variables. * rearranged header inclusion in all sources. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gdl2/trunk@15409 72102866-910b-0410-8b05-ffd578937521
233 lines
6.7 KiB
Objective-C
233 lines
6.7 KiB
Objective-C
/*
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EOAdaptorChannel.h
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Copyright (C) 2000 Free Software Foundation, Inc.
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Author: Mirko Viviani <mirko.viviani@rccr.cremona.it>
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Date: February 2000
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This file is part of the GNUstep Database Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __EOAdaptorChannel_h__
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#define __EOAdaptorChannel_h__
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#import <Foundation/NSException.h>
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#import <Foundation/NSZone.h>
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@class NSArray;
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@class NSMutableArray;
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@class NSDictionary;
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@class NSMutableDictionary;
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@class NSString;
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@class NSMutableString;
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@class NSCalendarDate;
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@class EOModel;
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@class EOEntity;
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@class EOAttribute;
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@class EOAdaptorContext;
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@class EOQualifier;
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@class EOStoredProcedure;
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@class EOAdaptorOperation;
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@class EOSQLExpression;
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@class EOFetchSpecification;
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/* The EOAdaptorChannel class could be overriden for a concrete database
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adaptor. You have to override only those methods marked in this header
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with `override'.
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*/
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@interface EOAdaptorChannel : NSObject
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{
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EOAdaptorContext *_context;
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id _delegate; // not retained
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BOOL _debug;
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/* Flags used to check if the delegate responds to several messages */
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struct {
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unsigned willPerformOperations:1;
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unsigned didPerformOperations:1;
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unsigned shouldSelectAttributes:1;
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unsigned didSelectAttributes:1;
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unsigned willFetchRow:1;
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unsigned didFetchRow:1;
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unsigned didChangeResultSet:1;
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unsigned didFinishFetching:1;
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unsigned shouldEvaluateExpression:1;
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unsigned didEvaluateExpression:1;
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unsigned shouldExecuteStoredProcedure:1;
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unsigned didExecuteStoredProcedure:1;
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unsigned shouldConstructStoredProcedureReturnValues:1;
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unsigned shouldReturnValuesForStoredProcedure:1;
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} _delegateRespondsTo;
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}
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+ (EOAdaptorChannel *)adaptorChannelWithAdaptorContext: (EOAdaptorContext *)adaptorContext;
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/* Initializing an adaptor context */
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- initWithAdaptorContext: (EOAdaptorContext *)adaptorContext;
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/* Getting the adaptor context */
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- (EOAdaptorContext *)adaptorContext;
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/* Opening and closing a channel */
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- (BOOL)isOpen;
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- (void)openChannel;
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- (void)closeChannel;
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/* Modifying rows */
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- (void)insertRow: (NSDictionary *)row forEntity: (EOEntity *)entity;
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- (void)updateValues: (NSDictionary *)values
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inRowDescribedByQualifier: (EOQualifier *)qualifier
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entity: (EOEntity *)entity;
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- (unsigned)updateValues: (NSDictionary *)values
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inRowsDescribedByQualifier: (EOQualifier *)qualifier
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entity: (EOEntity *)entity;
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- (void)deleteRowDescribedByQualifier: (EOQualifier *)qualifier
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entity: (EOEntity *)entity;
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- (unsigned)deleteRowsDescribedByQualifier: (EOQualifier *)qualifier
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entity: (EOEntity *)entity;
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/* Fetching rows */
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- (void)selectAttributes: (NSArray *)attributes
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fetchSpecification: (EOFetchSpecification *)fetchSpecification
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lock: (BOOL)aLockFlag
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entity: (EOEntity *)entity;
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- (void)lockRowComparingAttributes: (NSArray *)atts
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entity: (EOEntity *)entity
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qualifier: (EOQualifier *)qualifier
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snapshot: (NSDictionary *)snapshot;
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- (void)evaluateExpression: (EOSQLExpression *)expression;
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- (BOOL)isFetchInProgress;
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- (NSArray *)describeResults;
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- (NSMutableDictionary *)fetchRowWithZone: (NSZone *)zone;
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- (void)setAttributesToFetch: (NSArray *)attributes;
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- (NSArray *)attributesToFetch;
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- (void)cancelFetch;
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- (NSDictionary *)primaryKeyForNewRowWithEntity: (EOEntity *)entity;
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- (NSArray *)describeTableNames;
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- (NSArray *)describeStoredProcedureNames;
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- (EOModel *)describeModelWithTableNames: (NSArray *)tableNames;
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- (void)addStoredProceduresNamed: (NSArray *)storedProcedureNames
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toModel: (EOModel *)model;
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- (void)setDebugEnabled:(BOOL)yn;
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- (BOOL)isDebugEnabled;
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- (id)delegate;
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- (void)setDelegate:(id)delegate;
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- (NSMutableDictionary *)dictionaryWithObjects: (id *)objects
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forAttributes: (NSArray *)attributes
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zone: (NSZone *)zone;
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@end
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@interface EOAdaptorChannel (EOStoredProcedures)
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- (void)executeStoredProcedure: (EOStoredProcedure *)storedProcedure
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withValues: (NSDictionary *)values;
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- (NSDictionary *)returnValuesForLastStoredProcedureInvocation;
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@end
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@interface EOAdaptorChannel (EOBatchProcessing)
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- (void)performAdaptorOperation: (EOAdaptorOperation *)adaptorOperation;
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- (void)performAdaptorOperations: (NSArray *)adaptorOperations;
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@end
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@interface NSObject (EOAdaptorChannelDelegation)
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- (NSArray *)adaptorChannel: channel
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willPerformOperations: (NSArray *)operations;
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- (NSException *)adaptorChannel: channel
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didPerformOperations: (NSArray *)operations
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exception: (NSException *)exception;
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- (BOOL)adaptorChannel: channel
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shouldSelectAttributes: (NSArray *)attributes
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fetchSpecification: (EOFetchSpecification *)fetchSpecification
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lock: (BOOL)flag
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entity: (EOEntity *)entity;
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- (void)adaptorChannel: channel
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didSelectAttributes: (NSArray *)attributes
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fetchSpecification: (EOFetchSpecification *)fetchSpecification
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lock: (BOOL) flag
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entity: (EOEntity *)entity;
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- (void)adaptorChannelWillFetchRow: channel;
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- (void)adaptorChannel: channel didFetchRow: (NSMutableDictionary *)row;
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- (void)adaptorChannelDidChangeResultSet: channel;
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- (void)adaptorChannelDidFinishFetching: channel;
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- (BOOL)adaptorChannel: channel
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shouldEvaluateExpression: (EOSQLExpression *)expression;
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- (void)adaptorChannel: channel
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didEvaluateExpression: (EOSQLExpression *)expression;
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- (NSDictionary *)adaptorChannel: channel
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shouldExecuteStoredProcedure: (EOStoredProcedure *)procedure
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withValues: (NSDictionary *)values;
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- (void)adaptorChannel: channel
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didExecuteStoredProcedure: (EOStoredProcedure *)procedure
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withValues: (NSDictionary *)values;
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- (NSDictionary *)adaptorChannelShouldConstructStoredProcedureReturnValues: channel;
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- (NSDictionary *)adaptorChannel: channel
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shouldReturnValuesForStoredProcedure: (NSDictionary *)returnValues;
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@end /* NSObject(EOAdaptorChannelDelegation) */
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extern NSString *EOAdaptorOperationsKey;
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extern NSString *EOFailedAdaptorOperationKey;
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extern NSString *EOAdaptorFailureKey;
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extern NSString *EOAdaptorOptimisticLockingFailure;
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#endif /* __EOAdaptorChannel_h__ */
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