85 lines
2.5 KiB
Mathematica
85 lines
2.5 KiB
Mathematica
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/*
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* Copyright [2019] [Doric.Pub]
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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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// DoricContextManager.m
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// Doric
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//
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// Created by pengfei.zhou on 2019/7/29.
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//
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#import "DoricContextManager.h"
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#import "DoricContext.h"
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@interface DoricContextManager ()
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@property(nonatomic) NSInteger counter;
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@property(nonatomic, strong) NSMutableDictionary *doricContextMap;
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@property(nonatomic, strong) dispatch_queue_t mapQueue;
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@end
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@implementation DoricContextManager
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- (instancetype)init {
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if (self = [super init]) {
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_doricContextMap = [[NSMutableDictionary alloc] init];
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_counter = 0;
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_mapQueue = dispatch_queue_create("doric.contextmap", DISPATCH_QUEUE_SERIAL);
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}
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return self;
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}
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+ (instancetype)instance {
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static DoricContextManager *_instance;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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_instance = [[DoricContextManager alloc] init];
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});
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return _instance;
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}
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- (void)createContext:(DoricContext *)context script:(NSString *)script source:(NSString *)source {
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context.contextId = [NSString stringWithFormat:@"%ld", (long) ++self.counter];
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[context.driver createContext:context.contextId script:script source:source];
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dispatch_sync(self.mapQueue, ^() {
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NSValue *value = [NSValue valueWithNonretainedObject:context];
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[self.doricContextMap setValue:value forKey:context.contextId];
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});
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}
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- (DoricContext *)getContext:(NSString *)contextId {
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__block DoricContext *context;
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dispatch_sync(self.mapQueue, ^{
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NSValue *value = [self.doricContextMap valueForKey:contextId];
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context = value.nonretainedObjectValue;
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});
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return context;
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}
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- (void)destroyContext:(DoricContext *)context {
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NSString *contextId = context.contextId;
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[context.driver destroyContext:contextId].finishCallback = ^{
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dispatch_sync(self.mapQueue, ^() {
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[self.doricContextMap removeObjectForKey:contextId];
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});
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};
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}
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- (NSArray *)aliveContexts {
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return [self.doricContextMap allValues];
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}
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@end
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