Example usage for io.vertx.mysqlclient MySQLPool getConnection

Introduction

In this page you can find the example usage for io.vertx.mysqlclient MySQLPool getConnection.

Prototype

void getConnection(Handler<AsyncResult<SqlConnection>> handler);

Source Link

Document

Get a connection from the pool.

Usage

From source file:examples.MySQLClientExamples.java

public void configureFromDataObject(Vertx vertx) {

    // Data object
    MySQLConnectOptions connectOptions = new MySQLConnectOptions().setPort(3306).setHost("the-host")
            .setDatabase("the-db").setUser("user").setPassword("secret");

    // Pool Options
    PoolOptions poolOptions = new PoolOptions().setMaxSize(5);

    // Create the pool from the data object
    MySQLPool pool = MySQLPool.pool(vertx, connectOptions, poolOptions);

    pool.getConnection(ar -> {
        // Handling your connection
    });/*www  .ja v a 2  s. c  o m*/
}

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From source file:examples.MySQLClientExamples.java

public void connecting04(Vertx vertx) {

    // Connect options
    MySQLConnectOptions connectOptions = new MySQLConnectOptions().setPort(3306).setHost("the-host")
            .setDatabase("the-db").setUser("user").setPassword("secret");

    // Pool options
    PoolOptions poolOptions = new PoolOptions().setMaxSize(5);

    // Create the pooled client
    MySQLPool client = MySQLPool.pool(vertx, connectOptions, poolOptions);

    // Get a connection from the pool
    client.getConnection(ar1 -> {

        if (ar1.succeeded()) {

            System.out.println("Connected");

            // Obtain our connection
            SqlConnection conn = ar1.result();

            // All operations execute on the same connection
            conn.query("SELECT * FROM users WHERE id='julien'", ar2 -> {
                if (ar2.succeeded()) {
                    conn.query("SELECT * FROM users WHERE id='emad'", ar3 -> {
                        // Release the connection to the pool
                        conn.close();/*from  w  ww.  jav a  2  s . c o  m*/
                    });
                } else {
                    // Release the connection to the pool
                    conn.close();
                }
            });
        } else {
            System.out.println("Could not connect: " + ar1.cause().getMessage());
        }
    });
}

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