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/*
** DBFetchGroup.h
** Database Kit, Release 3.0
** Copyright (c) 1992, NeXT Computer, Inc. All rights reserved.
*/
#import <objc/Object.h>
#import <dbkit/enums.h>
@class List;
@interface DBFetchGroup : Object
{
char *_name;
id _module;
id _entity;
id _recordList;
id _expressionList;
id _associationList;
int _currentRecord;
id _selectionOwner; /* for handling multiple-selection*/
struct {
BOOL _autoSelect : 1;
int _reserved : 31;
} _fgflags;
id _delegate;
id _reserved;
}
- initEntity:anEntity;
- setName:(const char *)newName;
- (const char *)name;
- setDelegate:anObject;
- delegate;
- module;
- entity;
- recordList;
/* methods to control current record cursor */
- setCurrentRecord:(unsigned int)newIndex;
- clearCurrentRecord;
- (unsigned int)currentRecord;
- (unsigned int)recordCount;
- (unsigned int)selectedRowAfter:(unsigned int)previousRow;
- redisplayEverything;
/* methods for manipulating contents */
- deleteCurrentSelection;
- (BOOL)insertNewRecordAt:(unsigned int)index;
- fetchContentsOf:aSource usingQualifier:aQualifier;
/* methods for dealing with changes */
- (BOOL)hasUnsavedChanges;
- (BOOL)validateCurrentRecord;
- saveChanges;
- discardChanges;
/* methods for configuring and using associations */
- addExpression:newExpression;
- removeExpression:expression;
- (List*)getExpressions:(List*)aList;
- addAssociation:newAssociation;
- removeAssociation:association;
- (List*)getAssociations:(List*)aList;
- makeAssociationFrom:expr to:destination;
- takeValueFromAssociation:association;
/* other configurations */
- setAutoSelect:(BOOL)yn;
- (BOOL)doesAutoSelect;
@end
/* methods sent to the DBFetchGroup's delegate */
@interface Object(DBFetchGroupDelegate)
- fetchGroupWillFetch:fetchGroup;
- fetchGroupDidFetch:fetchGroup;
- fetchGroupWillChange:fetchGroup;
- fetchGroup:fetchGroup didInsertRecordAt:(int)index;
- fetchGroup:fetchGroup willDeleteRecordAt:(int)index;
- (BOOL)fetchGroup:fetchGroup willValidateRecordAt:(int)index;
- (BOOL)fetchGroupWillSave:fetchGroup;
- fetchGroupDidSave:fetchGroup;
- (DBFailureResponse)fetchGroup:fetchGroup
willFailForReason:(DBFailureCode)code;
@end
/* This is the default ceiling set on the number of records that will be */
/* returned before the delegate is notified or an alert is put up. An */
/* alternate default can be set by calling setRecordLimit: on DBRecordList */
#define DB_DEFAULT_RECORD_LIMIT 1000
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