Method instance

bindings/java/src/main/com/apple/foundationdb/FDB.java:152–159

Return the instance of the FDB API singleton. This method will always return a non-null value for the singleton, but if the #selectAPIVersion(int) selectAPIVersion() method has not yet been called, it will throw an FDBException indicating that an API version has not yet b

()

	 * @throws FDBException if {@link #selectAPIVersion(int) selectAPIVersion()} has not been called
	 */
	public static FDB instance() throws FDBException {
		if(singleton != null) {
			return singleton;
		}
		else {
			throw new FDBException("API version is not set", 2200);
		}
	}

	/**
	 * Select the version for the client API. An exception will be thrown if the