cassandrademo

1. Install cassandra
2. insatll loopback 4

In cassandra fire following commands: DESCRIBE CLUSTER;

DESCRIBE KEYSPACES;

CREATE KEYSPACE hotel WITH replication = {'class': 'SimpleStrategy', 'replication_factor' : 1};

CREATE TYPE hotel.address ( street text, city text, state_or_province text,postal_code text, country text );

CREATE TABLE hotel.hotels ( id text PRIMARY KEY, name text, phone text, address frozen

, pois set ) WITH comment = 'Q2. Find information about a hotel';

This application is generated using LoopBack 4 CLI with the initial project layout.

Install dependencies

By default, dependencies were installed when this application was generated. Whenever dependencies in package.json are changed, run the following command:

npm install

To only install resolved dependencies in package-lock.json:

npm ci

Run the application

npm start

You can also run node . to skip the build step.

Open http://127.0.0.1:3000 in your browser.

Rebuild the project

To incrementally build the project:

npm run build

To force a full build by cleaning up cached artifacts:

npm run rebuild

Fix code style and formatting issues

npm run lint

To automatically fix such issues:

npm run lint:fix

Other useful commands

• npm run migrate: Migrate database schemas for models
• npm run openapi-spec: Generate OpenAPI spec into a file

Tests

npm test

What's next

Please check out LoopBack 4 documentation to understand how you can continue to add features to this application.