The technical principles of HikaricP framework in the Java library detailed introduction

HikaricP is a high -performance JDBC connection pool framework, which is widely used in the Java project.It provides a set of optimization strategies and algorithms to provide applications with efficient and reliable database connection management. Hikaricp is based on the following core technical principles: 1. Connecting pool management: HikaricP uses the connection pool to manage the database connection, and the connection pool is maintained in the pool to maintain a certain number of connection objects.These connection objects can be shared by multiple threads to avoid the overhead of the connection to the connection. 2. Connection creation and recycling: The connection pool sets the minimum idle time and maximum survival time for each connection.When there is no idle connection in the connection pool, HikaricP will create a new connection object.When the idle time of the connection time exceeds the maximum idle time or the connection time of the connection time exceeds the maximum survival time of the setting, the connection will be recycled and removed from the connection pool. Below is an example code using HikaricP: import com.zaxxer.hikari.HikariConfig; import com.zaxxer.hikari.HikariDataSource; import java.sql.Connection; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class HikariCPExample { public static void main(String[] args) { HikariConfig config = new HikariConfig(); config.setJdbcUrl("jdbc:mysql://localhost:3306/mydatabase"); config.setUsername("username"); config.setPassword("password"); // Other optional configuration ... HikariDataSource dataSource = new HikariDataSource(config); try (Connection connection = dataSource.getConnection(); Statement statement = connection.createStatement()) { ResultSet resultSet = statement.executeQuery("SELECT * FROM mytable"); while (resultSet.next()) { // Process results set ... } } catch (SQLException e) { e.printStackTrace(); } DataSource.close (); // Close the connection pool } } In this example code, we first create a Hikariconfig object and set the connection information of the database, such as JDBC URL, username and password.Then create a HikaridataSource object through Hikariconfig to manage database connections.In Try-With-Resources, we get a connection from the connection pool and create the Statement execution SQL query.Finally, process the query results through ResultSet.In an abnormal processing block, we have printed abnormal stack tracking information.Finally, we turn off the connection pool at the end of the code. Through HikaricP, we can make full use of the database connection to provide high -performance connection management and query processing.Its simple and easy -to -use API and excellent performance make it one of the preferred database connection pool frameworks in Java development.