import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Inject
protected GridFSBlobStore(ProviderMetadata providerMetadata, BlobStoreContext context, BlobUtils blobUtils, Supplier<Location> defaultLocation, DBFileToBlob dbFileToBlob, DBFileToBlobMetadata dbFileToBlobMetadata, @Memoized Supplier<Set<? extends Location>> locations) throws UnknownHostException {
    // TODO: remove anything not needed
    this.context = checkNotNull(context, "context");
    this.blobUtils = checkNotNull(blobUtils, "blobUtils");
    this.defaultLocation = checkNotNull(defaultLocation, "defaultLocation");
    this.dbFileToBlob = dbFileToBlob;
    this.dbFileToBlobMetadata = dbFileToBlobMetadata;
    this.locations = checkNotNull(locations, "locations");

    String endpoint = providerMetadata.getEndpoint();
    if (endpoint.startsWith(GRIDFS_URI_SCHEME)) {
        List<ServerAddress> addresses = parseServerAddresses(endpoint);
        if (addresses.size() > 1) {
            this.mongo = new MongoClient(addresses);
        } else {
            // If only one address, assume we want single-node mode.
            // You should always use multiple seeds with a replica set.
            this.mongo = new MongoClient(addresses.get(0));
        }
    } else {
        this.mongo = new MongoClient(new MongoClientURI(endpoint));
    }
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Inject
EncryptedBlobStore(BlobStoreContext context, ProviderMetadata providerMetadata) {
    this.context = requireNonNull(context);
    Properties properties = providerMetadata.getDefaultProperties();
    this.password = properties.getProperty(KEY).toCharArray();
    this.salt = properties.getProperty(SALT).getBytes(StandardCharsets.UTF_8);
    initStore(Utils.extractProperties(properties, BACKEND + "."));
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Inject
BounceBlobStore(BlobStoreContext context, ProviderMetadata providerMetadata) {
    this.context = requireNonNull(context);
    Properties properties = providerMetadata.getDefaultProperties();

    initStores(Utils.extractProperties(properties, STORE_PROPERTY_1 + "."),
            Utils.extractProperties(properties, STORE_PROPERTY_2 + "."));
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override
public ProviderMetadata build() {
   return new OSSProviderMetadata(this);
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override
public Builder fromProviderMetadata(ProviderMetadata in) {
   super.fromProviderMetadata(in);
   return this;
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override
public ProviderMetadata build() {
   return new ECSProviderMetadata(this);
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override
public ProviderMetadata build() {
   return new SLBProviderMetadata(this);
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override
public Builder fromProviderMetadata(
      ProviderMetadata in) {
   super.fromProviderMetadata(in);
   return this;
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override public ProviderMetadata createProviderMetadata() {
   return new AWSEC2ProviderMetadata();
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override
public Builder fromProviderMetadata(ProviderMetadata in) {
    super.fromProviderMetadata(in);
    return this;
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override
public ProviderMetadata build() {
	return new OrionProviderMetadata(this);
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override
public Builder fromProviderMetadata(ProviderMetadata in) {
	super.fromProviderMetadata(in);
	return this;
}
 

import org.jclouds.providers.ProviderMetadata; //导入依赖的package包/类
@Override
protected ProviderMetadata createProviderMetadata() {
	return new OrionProviderMetadata();
}