Google Cloud Firestore

<dependency>
	<groupId>one.microstream</groupId>
	<artifactId>microstream-afs-googlecloud-firestore</artifactId>
	<version>08.01.02-MS-GA</version>
</dependency>

Firestore firestore = ...
BlobStoreFileSystem fileSystem = BlobStoreFileSystem.New(
	GoogleCloudFirestoreConnector.Caching(client)
);
EmbeddedStorage.start(fileSystem.ensureDirectoryPath("microstream_storage"));

Configuration

When using external configuration Google Cloud Firestore can be set as follows.

microstream-storage.properties

storage-filesystem.googlecloud.firestore.credentials.type=default
storage-filesystem.googlecloud.firestore.database-id=my-database-id
storage-filesystem.googlecloud.firestore.project-id=my-project-id

Supported properties

Property	Description
database-id	The database ID to use with this Firestore client.
emulator-host	The emulator host to use with this Firestore client.
host	The service host.
project-id	The project ID. If no project ID is set, the project ID from the environment will be used.
quota-project-id	The project ID that specifies the project used for quota and billing purposes.
credentials.type	The type of the credentials provider. Supported values are: "none" No credentials are used. "input-stream" Path of a JSON file stream. The stream can contain a Service Account key file in JSON format from the Google DevelopersConsole or a stored user credential using the format supported by the Cloud SDK. "default" Returns the Application Default Credentials which are used to identify and authorize thewhole application. The following are searched (in order) to find the Application DefaultCredentials: Credentials file pointed to by the GOOGLE_APPLICATION_CREDENTIALS environment variable Credentials provided by the Google Cloud SDK. gcloud auth application-default login for user account credentials. gcloud auth application-default login --impersonate-service-account forimpersonated service account credentials. Google App Engine built-in credentials Google Cloud Shell built-in credentials Google Compute Engine built-in credentials

Property

Description

database-id

The database ID to use with this Firestore client.

emulator-host

The emulator host to use with this Firestore client.

host

The service host.

project-id

The project ID. If no project ID is set, the project ID from the environment will be used.

quota-project-id

The project ID that specifies the project used for quota and billing purposes.

credentials.type

The type of the credentials provider. Supported values are:

"none"
No credentials are used.
"input-stream"
Path of a JSON file stream. The stream can contain a Service Account key file in JSON format from the Google DevelopersConsole or a stored user credential using the format supported by the Cloud SDK.
"default"
Returns the Application Default Credentials which are used to identify and authorize thewhole application. The following are searched (in order) to find the Application DefaultCredentials:
1. Credentials file pointed to by the GOOGLE_APPLICATION_CREDENTIALS environment variable
2. Credentials provided by the Google Cloud SDK.
  1. gcloud auth application-default login for user account credentials.
  2. gcloud auth application-default login --impersonate-service-account forimpersonated service account credentials.
3. Google App Engine built-in credentials
4. Google Cloud Shell built-in credentials
5. Google Compute Engine built-in credentials

Depending on the amount of data and transactions, charges may apply depending on service usage. Please check with your service provider for details.