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83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
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/**Interface for NSOperation for GNUStep
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Copyright (C) 2009 Free Software Foundation, Inc.
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Written by: Gregory Casamento <greg.casamento@gmail.com>
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Date: 2009
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This file is part of the GNUstep Base 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 Lesser 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 Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02111 USA.
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AutogsdocSource: NSOperation.m
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*/
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#import <Foundation/NSObject.h>
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@class NSMutableArray;
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enum {
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NSOperationQueuePriorityVeryLow = -8,
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NSOperationQueuePriorityLow = -4,
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NSOperationQueuePriorityNormal = 0,
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NSOperationQueuePriorityHigh = 4,
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NSOperationQueuePriorityVeryHigh = 8
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};
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typedef NSInteger NSOperationQueuePriority;
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@interface NSOperation : NSObject
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{
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// Priority...
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NSOperationQueuePriority priority;
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// Status...
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BOOL cancelled;
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BOOL concurrent;
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BOOL executing;
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BOOL finished;
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BOOL ready;
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// Dependencies
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NSMutableArray *dependencies;
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}
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// Initialization
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- (id) init;
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// Executing the operation
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- (void) start;
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- (void) main;
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// Cancelling the operation
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- (void) cancel;
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// Getting the operation status
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- (BOOL) isCancelled;
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- (BOOL) isExecuting;
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- (BOOL) isFinished;
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- (BOOL) isConcurrent;
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- (BOOL) isReady;
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// Managing dependencies
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- (void) addDependency: (NSOperation *)op;
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- (void) removeDependency: (NSOperation *)op;
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- (NSArray *)dependencies;
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// Prioritization
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- (NSOperationQueuePriority) queuePriority;
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- (void) setQueuePriority: (NSOperationQueuePriority)priority;
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@end
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