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106 lines
2.3 KiB
Plaintext
106 lines
2.3 KiB
Plaintext
/*
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* CPInvocationOperation.j
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*
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* Created by Johannes Fahrenkrug.
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* Copyright 2009, Springenwerk.
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*
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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 2.1 of the License, or (at your option) any later version.
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*
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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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* Lesser General Public License for more details.
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*
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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 Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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@import "CPInvocation.j"
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@import "CPObject.j"
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@import "CPOperation.j"
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/*!
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@class CPInvocationOperation
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@brief Represents an operation using an invocation that can be run in an CPOperationQueue
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*/
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@implementation CPInvocationOperation : CPOperation
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{
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CPInvocation _invocation;
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}
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- (void)main
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{
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if (_invocation)
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{
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[_invocation invoke];
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}
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}
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- (id)init
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{
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if (self = [super init])
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{
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_invocation = nil;
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}
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return self;
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}
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/*!
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Returns a CPInvocationOperation object initialized with the specified invocation object.
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@param inv the invocation
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*/
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- (id)initWithInvocation:(CPInvocation)inv
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{
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if (self = [self init])
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{
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_invocation = inv;
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}
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return self;
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}
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/*!
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Returns a CPInvocationOperation object initialized with the specified target and selector.
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@param target the target
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@param sel the selector that should be called on the target
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@param arg the arguments
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*/
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- (id)initWithTarget:(id)target selector:(SEL)sel object:(id)arg
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{
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var inv = [[CPInvocation alloc] initWithMethodSignature:nil];
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[inv setTarget:target];
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[inv setSelector:sel];
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[inv setArgument:arg atIndex:2];
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return [self initWithInvocation:inv];
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}
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/*!
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Returns the receiver’s invocation object.
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*/
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- (CPInvocation)invocation
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{
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return _invocation;
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}
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/*!
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Returns the result of the invocation or method.
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*/
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- (id)result
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{
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if ([self isFinished] && _invocation)
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{
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return [_invocation returnValue];
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}
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return nil;
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}
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@end
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