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Monotone-Parent: f5359c59c0bb008203154487db17e1ecdd274c0d Monotone-Revision: 7c78ba28d583536196a1acf34df5c96f40db238e Monotone-Author: ludovic@Sophos.ca Monotone-Date: 2010-12-28T17:42:50 Monotone-Branch: ca.inverse.sogo
This commit is contained in:
Ludovic Marcotte
@@ -0,0 +1,357 @@
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/* GCSSessionsFolder.m - this file is part of SOGo
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*
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* Copyright (C) 2010-2011 Inverse inc.
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*
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* Author: Ludovic Marcotte <lmarcotte@inverse.ca>
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This file 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#import <Foundation/NSDictionary.h>
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#import <Foundation/NSString.h>
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#import <Foundation/NSURL.h>
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#import <Foundation/NSUserDefaults.h>
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#import <Foundation/NSValue.h>
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#import <NGExtensions/NSObject+Logs.h>
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#import <NGExtensions/NSNull+misc.h>
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#import <GDLAccess/EOAdaptorChannel.h>
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#import <GDLAccess/EOAdaptorContext.h>
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#import <GDLAccess/EOAttribute.h>
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#import <GDLAccess/EOEntity.h>
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#import <GDLAccess/EOSQLQualifier.h>
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#import "EOQualifier+GCS.h"
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#import "GCSChannelManager.h"
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#import "GCSFolderManager.h"
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#import "GCSSpecialQueries.h"
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#import "GCSStringFormatter.h"
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#import "NSURL+GCS.h"
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#import "GCSSessionsFolder.h"
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static NSString *sessionsFolderURLString = nil;
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#warning GCSSessionsFolder should share a common ancestor with GCSFolder
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@implementation GCSSessionsFolder
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+ (void) initialize
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{
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NSUserDefaults *ud;
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if (!sessionsFolderURLString)
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{
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ud = [NSUserDefaults standardUserDefaults];
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ASSIGN(sessionsFolderURLString, [ud stringForKey: @"OCSSessionsFolderURL"]);
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}
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}
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+ (id) sessionsFolderWithFolderManager: (GCSFolderManager *) newFolderManager
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{
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GCSAlarmsFolder *newFolder;
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if (sessionsFolderURLString)
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{
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newFolder = [self new];
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[newFolder autorelease];
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[newFolder setFolderManager: newFolderManager];
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}
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else
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{
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[self errorWithFormat: @"'OCSSessionsFolderURL' is not set"];
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newFolder = nil;
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}
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return newFolder;
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}
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- (void) setFolderManager: (GCSFolderManager *) newFolderManager
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{
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ASSIGN (folderManager, newFolderManager);
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}
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/* accessors */
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- (NSURL *) _location
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{
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NSURL *location;
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if (sessionsFolderURLString)
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location = [NSURL URLWithString: sessionsFolderURLString];
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else
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{
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[self warnWithFormat: @"'OCSSessionsFolderURL' is not set"];
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location = nil;
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}
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return location;
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}
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- (GCSChannelManager *) _channelManager
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{
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return [folderManager channelManager];
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}
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- (NSString *) _storeTableName
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{
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return [[self _location] gcsTableName];
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}
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- (EOEntity *) _storeTableEntityForChannel: (EOAdaptorChannel *) tc
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{
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static EOEntity *entity = nil;
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EOAttribute *attribute;
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NSString *tableName;
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NSString *columns[] = { @"c_id", @"c_value", @"c_creationdate",
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@"c_lastseen", nil };
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NSString **column;
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NSMutableArray *keys;
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NSDictionary *types;
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if (!entity)
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{
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entity = [EOEntity new];
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tableName = [self _storeTableName];
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[entity setName: tableName];
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[entity setExternalName: tableName];
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types = [[tc specialQueries] sessionsAttributeTypes];
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column = columns;
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while (*column)
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{
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attribute = [EOAttribute new];
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[attribute setName: *column];
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[attribute setColumnName: *column];
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[attribute setExternalType: [types objectForKey: *column]];
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[entity addAttribute: attribute];
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[attribute release];
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column++;
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}
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keys = [NSMutableArray arrayWithCapacity: 1];
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[keys addObject: [entity attributeNamed: @"c_id"]];
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[entity setPrimaryKeyAttributes: keys];
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keys = [NSMutableArray arrayWithCapacity: 3];
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[keys addObject: [entity attributeNamed: @"c_value"]];
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[keys addObject: [entity attributeNamed: @"c_creationdate"]];
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[keys addObject: [entity attributeNamed: @"c_lastseen"]];
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[entity setClassProperties: keys];
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[entity setAttributesUsedForLocking: [NSArray array]];
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}
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return entity;
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}
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/* connection */
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- (EOAdaptorChannel *) _acquireStoreChannel
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{
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return [[self _channelManager] acquireOpenChannelForURL: [self _location]];
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}
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- (void) _releaseChannel: (EOAdaptorChannel *) _channel
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{
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[[self _channelManager] releaseChannel:_channel];
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}
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- (BOOL) canConnectStore
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{
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return [[self _channelManager] canConnect:[self _location]];
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}
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- (void) createFolderIfNotExists
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{
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EOAdaptorChannel *tc;
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NSString *sql, *tableName;
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GCSSpecialQueries *queries;
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tc = [self _acquireStoreChannel];
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tableName = [self _storeTableName];
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queries = [tc specialQueries];
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sql = [NSString stringWithFormat: @"SELECT count(*) FROM %@",
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[self _storeTableName]];
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if ([tc evaluateExpressionX: sql])
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{
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sql = [queries createSessionsFolderWithName: tableName];
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if (![tc evaluateExpressionX: sql])
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[self logWithFormat:
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@"sessions folder table '%@' successfully created!",
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tableName];
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}
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else
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[tc cancelFetch];
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[self _releaseChannel: tc];
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}
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/* operations */
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- (NSDictionary *) recordForEntryWithID: (NSString *) theID
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{
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EOAdaptorChannel *tc;
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EOAdaptorContext *context;
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NSString *tableName;
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NSException *error;
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NSArray *attrs;
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NSDictionary *record;
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EOEntity *entity;
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EOSQLQualifier *qualifier;
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tableName = [self _storeTableName];
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record = nil;
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tc = [self _acquireStoreChannel];
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if (tc)
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{
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context = [tc adaptorContext];
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entity = [self _storeTableEntityForChannel: tc];
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qualifier = [[EOSQLQualifier alloc] initWithEntity: entity
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qualifierFormat:
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@"c_id='%@'",
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theID];
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[qualifier autorelease];
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[context beginTransaction];
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error = [tc selectAttributesX: [entity attributesUsedForFetch]
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describedByQualifier: qualifier
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fetchOrder: nil
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lock: NO];
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if (error)
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[self errorWithFormat:@"%s: cannot execute fetch: %@",
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__PRETTY_FUNCTION__, error];
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else
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{
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attrs = [tc describeResults: NO];
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record = [tc fetchAttributes: attrs withZone: NULL];
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[tc cancelFetch];
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}
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[context rollbackTransaction];
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[self _releaseChannel: tc];
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}
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return record;
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}
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- (NSDictionary *) _newRecordWithID: (NSString *) theID
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value: (NSString *) theValue
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creationDate: (NSCalendarDate *) theCreationDate
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lastSeenDate: (NSCalendarDate *) theLastSeenDate
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{
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NSNumber *cd, *ls;
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// We check if recId and alarmDate are nil prior calling -timeIntervalSince1970
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// Weird gcc optimizations can cause issue here.
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cd = [NSNumber numberWithInt: (theCreationDate ? (int)[theCreationDate timeIntervalSince1970] : 0)];
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ls = [NSNumber numberWithInt: (theLastSeenDate ? (int)[theLastSeenDate timeIntervalSince1970] : 0)];
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return [NSDictionary dictionaryWithObjectsAndKeys: theID, @"c_id",
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theValue, @"c_value",
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cd, @"c_creationdate",
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ls, @"c_lastseen",
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nil];
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}
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- (void) writeRecordForEntryWithID: (NSString *) theID
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value: (NSString *) theValue
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creationDate: (NSCalendarDate *) theCreationDate
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lastSeenDate: (NSCalendarDate *) theLastSeenDate
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{
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NSDictionary *record, *newRecord;
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NSException *error;
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EOAdaptorChannel *tc;
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EOAdaptorContext *context;
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EOEntity *entity;
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EOSQLQualifier *qualifier;
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tc = [self _acquireStoreChannel];
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if (tc)
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{
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context = [tc adaptorContext];
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newRecord = [self _newRecordWithID: theID
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value: theValue
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creationDate: theCreationDate
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lastSeenDate: theLastSeenDate];
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record = [self recordForEntryWithID: theID];
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entity = [self _storeTableEntityForChannel: tc];
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[context beginTransaction];
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if (record)
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{
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qualifier = [[EOSQLQualifier alloc] initWithEntity: entity
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qualifierFormat:
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@"c_id='%@'",
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theID];
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[qualifier autorelease];
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error = [tc updateRowX: newRecord describedByQualifier: qualifier];
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}
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else
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error = [tc insertRowX: newRecord forEntity: entity];
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if (error)
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{
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[context rollbackTransaction];
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[self errorWithFormat:@"%s: cannot write record: %@",
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__PRETTY_FUNCTION__, error];
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}
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else
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[context commitTransaction];
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[self _releaseChannel: tc];
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}
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}
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- (void) deleteRecordForEntryWithID: (NSString *) theID
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{
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EOAdaptorChannel *tc;
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EOAdaptorContext *context;
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EOEntity *entity;
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EOSQLQualifier *qualifier;
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NSException *error;
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tc = [self _acquireStoreChannel];
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if (tc)
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{
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context = [tc adaptorContext];
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entity = [self _storeTableEntityForChannel: tc];
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qualifier = [[EOSQLQualifier alloc] initWithEntity: entity
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qualifierFormat:
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@"c_id='%@'",
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theID];
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[qualifier autorelease];
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[context beginTransaction];
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error = [tc deleteRowsDescribedByQualifierX: qualifier];
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if (error)
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{
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[context rollbackTransaction];
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[self errorWithFormat:@"%s: cannot delete record: %@",
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__PRETTY_FUNCTION__, error];
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}
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else
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[context commitTransaction];
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[self _releaseChannel: tc];
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}
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}
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@end
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