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/*
* Copyright 2018 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "FSTListenSequence.h"
NS_ASSUME_NONNULL_BEGIN
#pragma mark - FSTListenSequence
@interface FSTListenSequence () {
FSTListenSequenceNumber _previousSequenceNumber;
}
@end
@implementation FSTListenSequence
#pragma mark - Constructors
- (instancetype)initStartingAfter:(FSTListenSequenceNumber)after {
self = [super init];
if (self) {
_previousSequenceNumber = after;
}
return self;
}
#pragma mark - Public methods
- (FSTListenSequenceNumber)next {
_previousSequenceNumber++;
return _previousSequenceNumber;
}
@end
NS_ASSUME_NONNULL_END
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