ConnectionPool (Helidon Project 2.6.9 API)

All Known Implementing Classes:

HikariConnectionPool

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface ConnectionPool
```
JDBC Configuration parameters.

Nested Class Summary

Nested Classes
Modifier and Type Interface Description

static class ConnectionPool.Builder
Fluent API builder for ConnectionPool.

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`static ConnectionPool.Builder`	`builder()`	Create a fluent API builder for a JDBC Connection pool based on URL, username and password.
`Connection`	`connection()`	Return a connection from the pool.
`static ConnectionPool`	`create(Config config)`	Create a JDBC connection pool from provided configuration.
`default String`	`dbType()`	The type of this database - if better details than "jdbc" is available, return it.

Method Detail

create

static ConnectionPool create(Config config)

Create a JDBC connection pool from provided configuration.

Optional configuration parameters
key	default value	description
url		JDBC URL of the database - this property is required when only configuration is used. Example: `jdbc:mysql://127.0.0.1:3306/pokemon?useSSL=false`
username		Username used to connect to the database
password		Password used to connect to the database

Parameters:: config - configuration of connection pool
Returns:: a new instance configured from the provided config

builder
```
static ConnectionPool.Builder builder()
```
Create a fluent API builder for a JDBC Connection pool based on URL, username and password.

Returns:

a new builder

connection
```
Connection connection()
```
Return a connection from the pool. The call to Connection.close() should return that connection to the pool. The connection pool should handle capacity issues and timeouts using unchecked exceptions thrown by this method.

Returns:

a connection read to execute statements

dbType
```
default String dbType()
```
The type of this database - if better details than "jdbc" is available, return it. This could be "jdbc:mysql" etc.

Returns:

type of this database