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50 lines
1.8 KiB
50 lines
1.8 KiB
9 years ago
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// Copyright (C) 2014 by Matthew York
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//
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// Permission is hereby granted, free of charge, to any
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// person obtaining a copy of this software and
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// associated documentation files (the "Software"), to
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// deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the
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// Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall
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// be included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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// BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#import <Foundation/Foundation.h>
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#import "DTTimePeriodGroup.h"
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@interface DTTimePeriodChain : DTTimePeriodGroup {
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DTTimePeriod *First;
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DTTimePeriod *Last;
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}
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@property (nonatomic, readonly) DTTimePeriod *First;
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@property (nonatomic, readonly) DTTimePeriod *Last;
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#pragma mark - Custom Init / Factory Chain
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+(DTTimePeriodChain *)chain;
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#pragma mark - Chain Existence Manipulation
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-(void)addTimePeriod:(DTTimePeriod *)period;
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-(void)insertTimePeriod:(DTTimePeriod *)period atInedx:(NSInteger)index;
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-(void)removeTimePeriodAtIndex:(NSInteger)index;
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-(void)removeLatestTimePeriod;
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-(void)removeEarliestTimePeriod;
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#pragma mark - Chain Relationship
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-(BOOL)isEqualToChain:(DTTimePeriodChain *)chain;
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#pragma mark - Updates
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-(void)updateVariables;
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@end
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