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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 |
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