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JBBPriorityQueue.h
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JBBPriorityQueue.h
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//
// JBBPriorityQueue.h
// JBBPriorityQueue
//
// Created by Jordan Breeding on 09/08/09.
// Copyright 2010 Jordan Breeding. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
//
// Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
// Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
// Neither the name of the <ORGANIZATION> nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
typedef NSComparisonResult (^JBBComparisonBlock)(id lhs, id rhs);
@protocol JBBComparisonProtocol <NSObject>
- (NSComparisonResult)compare:(id)rhs;
@end
@protocol JBBBoxedComparisonProtocol <NSObject>
- (NSNumber *)compare:(id)rhs;
@end
@interface JBBPriorityQueue : NSObject
// non-synthesized properties
@property (readonly) CFIndex count;
@property (readonly) BOOL isEmpty;
- (id)initWithBlock:(JBBComparisonBlock)comparisonBlock;
- (id)initWithClass:(Class)classToStore;
- (id)initWithClass:(Class)classToStore ordering:(NSComparisonResult)ordering;
// ruby style interface
- (void)push:(id)obj;
- (void)pushObjects:(NSArray *)objs;
- (id)pop;
- (id)peek;
// objective-c style interface
- (void)addObject:(id)obj;
- (void)addObjects:(NSArray *)objs;
- (id)removeFirstObject;
- (id)firstObject;
- (BOOL)isEqualToQueue:(JBBPriorityQueue *)otherQueue;
@end