import com.subgraph.orchid.DirectoryStore; //导入依赖的package包/类
public DirectoryImpl(TorConfig config, DirectoryStore customDirectoryStore) {
	store = (customDirectoryStore == null) ? (new DirectoryStoreImpl(config)) : (customDirectoryStore);
	this.config = config;
	stateFile = new StateFile(store, this);
	microdescriptorCache = createMicrodescriptorCache(store);
	basicDescriptorCache = createBasicDescriptorCache(store);	
	routersByIdentity = new HashMap<HexDigest, RouterImpl>();
	routersByNickname = new HashMap<String, RouterImpl>();
	directoryCaches = new RandomSet<RouterImpl>();
	requiredCertificates = new HashSet<ConsensusDocument.RequiredCertificate>();
	consensusChangedManager = new EventManager();
	random = new TorRandom();
}
 

import com.subgraph.orchid.DirectoryStore; //导入依赖的package包/类
private static DescriptorCache<RouterMicrodescriptor> createMicrodescriptorCache(DirectoryStore store) {
	return new DescriptorCache<RouterMicrodescriptor>(store, CacheFile.MICRODESCRIPTOR_CACHE, CacheFile.MICRODESCRIPTOR_JOURNAL) {
		@Override
		protected DocumentParser<RouterMicrodescriptor> createDocumentParser(ByteBuffer buffer) {
			return parserFactory.createRouterMicrodescriptorParser(buffer);
		}
	};
}
 

import com.subgraph.orchid.DirectoryStore; //导入依赖的package包/类
private static DescriptorCache<RouterDescriptor> createBasicDescriptorCache(DirectoryStore store) {
	return new DescriptorCache<RouterDescriptor>(store, CacheFile.DESCRIPTOR_CACHE, CacheFile.DESCRIPTOR_JOURNAL) {
		@Override
		protected DocumentParser<RouterDescriptor> createDocumentParser(ByteBuffer buffer) {
			return parserFactory.createRouterDescriptorParser(buffer, false);
		}
	};
}
 

import com.subgraph.orchid.DirectoryStore; //导入依赖的package包/类
DescriptorCache(DirectoryStore store, CacheFile cacheFile, CacheFile journalFile) {
	this.data = new DescriptorCacheData<T>();
	this.store = store;
	this.cacheFile = cacheFile;
	this.journalFile = journalFile;
	startRebuildTask();
}
 

import com.subgraph.orchid.DirectoryStore; //导入依赖的package包/类
StateFile(DirectoryStore store, Directory directory) {
	this.directoryStore = store;
	this.directory = directory;
}