- Cassandra Tutorial
- Cassandra - Home
- Cassandra - Introduction
- Cassandra - Architecture
- Cassandra - Data Model
- Cassandra - Installation
- Cassandra - Referenced Api
- Cassandra - Cqlsh
- Cassandra - Shell Commands
- Cassandra Keyspace Operations
- Cassandra - Create Keyspace
- Cassandra - Alter Keyspace
- Cassandra - Drop Keyspace
- Cassandra Table Operations
- Cassandra - Create Table
- Cassandra - Alter Table
- Cassandra - Drop Table
- Cassandra - Truncate Table
- Cassandra - Create Index
- Cassandra - Drop Index
- Cassandra - Batch
- Cassandra CURD Operations
- Cassandra - Create Data
- Cassandra - Update Data
- Cassandra - Read Data
- Cassandra - Delete Data
- Cassandra CQL Types
- Cassandra - CQL Datatypes
- Cassandra - CQL Collections
- CQL User Defined Datatypes
- Cassandra Useful Resources
- Cassandra - Quick Guide
- Cassandra - Useful Resources
- Cassandra - Discussion
Cassandra - Referenced Api
This chapter covers all the important classes in Cassandra.
Cluster
This class is the main entry point of the driver. It belongs to com.datastax.driver.core package.
Methods
| S. No. | Methods and Description |
|---|---|
| 1 | Session connect() It creates a new session on the current cluster and initializes it. |
| 2 | void close() It is used to close the cluster instance. |
| 3 | static Cluster.Builder builder() It is used to create a new Cluster.Builder instance. |
Cluster.Builder
This class is used to instantiate the Cluster.Builder class.
Methods
| S. No | Methods and Description |
|---|---|
| 1 | Cluster.Builder addContactPoint(String address) This method adds a contact point to cluster. |
| 2 | Cluster build() This method builds the cluster with the given contact points. |
Session
This interface holds the connections to Cassandra cluster. Using this interface, you can execute CQL queries. It belongs to com.datastax.driver.core package.
Methods
| S. No. | Methods and Description |
|---|---|
| 1 | void close() This method is used to close the current session instance. |
| 2 | ResultSet execute(Statement statement) This method is used to execute a query. It requires a statement object. |
| 3 | ResultSet execute(String query) This method is used to execute a query. It requires a query in the form of a String object. |
| 4 | PreparedStatement prepare(RegularStatement statement) This method prepares the provided query. The query is to be provided in the form of a Statement. |
| 5 | PreparedStatement prepare(String query) This method prepares the provided query. The query is to be provided in the form of a String. |