// This source code is dual-licensed under the Mozilla Public License ("MPL"),
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// version 1.1 and the Apache License ("ASL"), version 2.0.
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//
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// The ASL v2.0:
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//
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// ---------------------------------------------------------------------------
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// Copyright 2016 Pivotal Software, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// ---------------------------------------------------------------------------
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//
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// The MPL v1.1:
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//
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// ---------------------------------------------------------------------------
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// The contents of this file are subject to the Mozilla Public License
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// Version 1.1 (the "License"); you may not use this file except in
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// compliance with the License. You may obtain a copy of the License at
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// https://www.mozilla.org/MPL/
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//
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// Software distributed under the License is distributed on an "AS IS"
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// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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// License for the specific language governing rights and limitations
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// under the License.
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//
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// The Original Code is RabbitMQ
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//
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// The Initial Developer of the Original Code is Pivotal Software, Inc.
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// All Rights Reserved.
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//
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// Alternatively, the contents of this file may be used under the terms
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// of the Apache Standard license (the "ASL License"), in which case the
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// provisions of the ASL License are applicable instead of those
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// above. If you wish to allow use of your version of this file only
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// under the terms of the ASL License and not to allow others to use
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// your version of this file under the MPL, indicate your decision by
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// deleting the provisions above and replace them with the notice and
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// other provisions required by the ASL License. If you do not delete
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// the provisions above, a recipient may use your version of this file
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// under either the MPL or the ASL License.
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// ---------------------------------------------------------------------------
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#import "RMQConfirmationTransaction.h"
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@interface RMQConfirmationTransaction ()
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@property (nonatomic, strong) RMQConfirmationCallback callback;
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@property (nonatomic, strong) id<RMQLocalSerialQueue> delayQueue;
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@property (nonatomic, assign) BOOL isComplete;
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@end
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@implementation RMQConfirmationTransaction
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- (instancetype)initWithDelayQueue:(id<RMQLocalSerialQueue>)queue {
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self = [super init];
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if (self) {
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self.isComplete = NO;
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self.callback = nil;
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self.unconfirmed = [NSMutableSet new];
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self.confirmedAcks = [NSMutableSet new];
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self.confirmedNacks = [NSMutableSet new];
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self.delayQueue = queue;
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}
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return self;
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}
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- (void)setCallback:(RMQConfirmationCallback)callback
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timeout:(NSNumber *)timeoutInSecs {
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self.callback = callback;
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[self.delayQueue delayedBy:timeoutInSecs enqueue:^{
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for (NSNumber *tag in self.unconfirmed) {
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[self.confirmedNacks addObject:tag];
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}
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[self complete];
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}];
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}
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- (void)addUnconfirmed:(NSNumber *)tag {
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[self.unconfirmed addObject:tag];
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}
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- (BOOL)isUnconfirmed:(NSNumber *)tag {
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return [self.unconfirmed containsObject:tag];
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}
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- (void)ack:(NSNumber *)tag {
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[self.unconfirmed removeObject:tag];
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[self.confirmedAcks addObject:tag];
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[self completeIfReady];
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}
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- (void)nack:(NSNumber *)tag {
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[self.unconfirmed removeObject:tag];
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[self.confirmedNacks addObject:tag];
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[self completeIfReady];
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}
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- (void)completeIfReady {
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if (self.callback &&
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self.unconfirmed.count == 0 &&
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(self.confirmedAcks.count > 0 || self.confirmedNacks.count > 0)) {
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[self complete];
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}
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}
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# pragma mark - Private
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- (void)complete {
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if (self.isComplete) return;
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self.callback(self.confirmedAcks, self.confirmedNacks);
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self.isComplete = YES;
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}
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@end
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