/usr/include/GNUstep/EOAccess/EOAdaptorChannel.h is in libgnustep-dl2-dev 0.12.0-15.1.
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EOAdaptorChannel.h
Copyright (C) 2000,2002,2003,2004,2005 Free Software Foundation, Inc.
Author: Mirko Viviani <mirko.viviani@gmail.com>
Date: February 2000
This file is part of the GNUstep Database Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __EOAdaptorChannel_h__
#define __EOAdaptorChannel_h__
#ifdef GNUSTEP
#include <Foundation/NSObject.h>
#include <Foundation/NSZone.h>
#else
#include <Foundation/Foundation.h>
#endif
#include <EOAccess/EODefines.h>
@class NSArray;
@class NSMutableArray;
@class NSDictionary;
@class NSMutableDictionary;
@class NSString;
@class NSMutableString;
@class NSCalendarDate;
@class NSException;
@class EOModel;
@class EOEntity;
@class EOAttribute;
@class EOAdaptorContext;
@class EOQualifier;
@class EOStoredProcedure;
@class EOAdaptorOperation;
@class EOSQLExpression;
@class EOFetchSpecification;
/* The EOAdaptorChannel class could be overriden for a concrete database
adaptor. You have to override only those methods marked in this header
with `override'.
*/
@interface EOAdaptorChannel : NSObject
{
EOAdaptorContext *_context;
id _delegate; // not retained
BOOL _debug;
/* Flags used to check if the delegate responds to several messages */
struct {
unsigned willPerformOperations:1;
unsigned didPerformOperations:1;
unsigned shouldSelectAttributes:1;
unsigned didSelectAttributes:1;
unsigned willFetchRow:1;
unsigned didFetchRow:1;
unsigned didChangeResultSet:1;
unsigned didFinishFetching:1;
unsigned shouldEvaluateExpression:1;
unsigned didEvaluateExpression:1;
unsigned shouldExecuteStoredProcedure:1;
unsigned didExecuteStoredProcedure:1;
unsigned shouldConstructStoredProcedureReturnValues:1;
unsigned shouldReturnValuesForStoredProcedure:1;
} _delegateRespondsTo;
}
+ (EOAdaptorChannel *)adaptorChannelWithAdaptorContext: (EOAdaptorContext *)adaptorContext;
/* Initializing an adaptor context */
- (id)initWithAdaptorContext: (EOAdaptorContext *)adaptorContext;
/* Getting the adaptor context */
- (EOAdaptorContext *)adaptorContext;
/* Opening and closing a channel */
- (BOOL)isOpen;
- (void)openChannel;
- (void)closeChannel;
/* Modifying rows */
- (void)insertRow: (NSDictionary *)row forEntity: (EOEntity *)entity;
- (void)updateValues: (NSDictionary *)values
inRowDescribedByQualifier: (EOQualifier *)qualifier
entity: (EOEntity *)entity;
- (unsigned)updateValues: (NSDictionary *)values
inRowsDescribedByQualifier: (EOQualifier *)qualifier
entity: (EOEntity *)entity;
- (void)deleteRowDescribedByQualifier: (EOQualifier *)qualifier
entity: (EOEntity *)entity;
- (unsigned)deleteRowsDescribedByQualifier: (EOQualifier *)qualifier
entity: (EOEntity *)entity;
/* Fetching rows */
- (void)selectAttributes: (NSArray *)attributes
fetchSpecification: (EOFetchSpecification *)fetchSpecification
lock: (BOOL)flag
entity: (EOEntity *)entity;
- (void)lockRowComparingAttributes: (NSArray *)attrs
entity: (EOEntity *)entity
qualifier: (EOQualifier *)qualifier
snapshot: (NSDictionary *)snapshot;
- (void)evaluateExpression: (EOSQLExpression *)expression;
- (BOOL)isFetchInProgress;
- (NSArray *)describeResults;
- (NSMutableDictionary *)fetchRowWithZone: (NSZone *)zone;
- (void)setAttributesToFetch: (NSArray *)attributes;
- (NSArray *)attributesToFetch;
- (void)cancelFetch;
- (NSDictionary *)primaryKeyForNewRowWithEntity: (EOEntity *)entity;
- (NSArray *)describeTableNames;
- (NSArray *)describeStoredProcedureNames;
- (EOModel *)describeModelWithTableNames: (NSArray *)tableNames;
- (void)addStoredProceduresNamed: (NSArray *)storedProcedureNames
toModel: (EOModel *)model;
- (void)setDebugEnabled: (BOOL)flag;
- (BOOL)isDebugEnabled;
- (id)delegate;
- (void)setDelegate: (id)delegate;
- (NSMutableDictionary *)dictionaryWithObjects: (id *)objects
forAttributes: (NSArray *)attributes
zone: (NSZone *)zone;
@end
@interface EOAdaptorChannel (EOStoredProcedures)
- (void)executeStoredProcedure: (EOStoredProcedure *)storedProcedure
withValues: (NSDictionary *)values;
- (NSDictionary *)returnValuesForLastStoredProcedureInvocation;
@end
@interface EOAdaptorChannel (EOBatchProcessing)
- (void)performAdaptorOperation: (EOAdaptorOperation *)adaptorOperation;
- (void)performAdaptorOperations: (NSArray *)adaptorOperations;
@end
@interface NSObject (EOAdaptorChannelDelegation)
- (NSArray *)adaptorChannel: (id)channel
willPerformOperations: (NSArray *)operations;
- (NSException *)adaptorChannel: (id)channel
didPerformOperations: (NSArray *)operations
exception: (NSException *)exception;
- (BOOL)adaptorChannel: (id)channel
shouldSelectAttributes: (NSArray *)attributes
fetchSpecification: (EOFetchSpecification *)fetchSpecification
lock: (BOOL)flag
entity: (EOEntity *)entity;
- (void)adaptorChannel: (id)channel
didSelectAttributes: (NSArray *)attributes
fetchSpecification: (EOFetchSpecification *)fetchSpecification
lock: (BOOL) flag
entity: (EOEntity *)entity;
- (void)adaptorChannelWillFetchRow: (id)channel;
- (void)adaptorChannel: (id)channel didFetchRow: (NSMutableDictionary *)row;
- (void)adaptorChannelDidChangeResultSet: (id)channel;
- (void)adaptorChannelDidFinishFetching: (id)channel;
- (BOOL)adaptorChannel: (id)channel
shouldEvaluateExpression: (EOSQLExpression *)expression;
- (void)adaptorChannel: (id)channel
didEvaluateExpression: (EOSQLExpression *)expression;
- (NSDictionary *)adaptorChannel: (id)channel
shouldExecuteStoredProcedure: (EOStoredProcedure *)procedure
withValues: (NSDictionary *)values;
- (void)adaptorChannel: (id)channel
didExecuteStoredProcedure: (EOStoredProcedure *)procedure
withValues: (NSDictionary *)values;
- (NSDictionary *)adaptorChannelShouldConstructStoredProcedureReturnValues: (id)channel;
- (NSDictionary *)adaptorChannel: (id)channel
shouldReturnValuesForStoredProcedure: (NSDictionary *)returnValues;
@end /* NSObject(EOAdaptorChannelDelegation) */
GDL2ACCESS_EXPORT NSString *EOAdaptorOperationsKey;
GDL2ACCESS_EXPORT NSString *EOFailedAdaptorOperationKey;
GDL2ACCESS_EXPORT NSString *EOAdaptorFailureKey;
GDL2ACCESS_EXPORT NSString *EOAdaptorOptimisticLockingFailure;
#endif /* __EOAdaptorChannel_h__ */
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