package io.vertx.mysqlclient;

import io.vertx.codegen.annotations.Fluent;
import io.vertx.codegen.annotations.GenIgnore;
import io.vertx.codegen.annotations.VertxGen;
import io.vertx.core.AsyncResult;
import io.vertx.core.Handler;
import io.vertx.core.Vertx;
import io.vertx.mysqlclient.impl.MySQLConnectionImpl;
import io.vertx.sqlclient.PreparedQuery;
import io.vertx.sqlclient.Row;
import io.vertx.sqlclient.RowSet;
import io.vertx.sqlclient.SqlConnection;
import io.vertx.sqlclient.SqlResult;
import io.vertx.sqlclient.Tuple;

import java.util.stream.Collector;

import static io.vertx.mysqlclient.MySQLConnectOptions.*;

A connection to MySQL server.
/** * A connection to MySQL server. */
@VertxGen public interface MySQLConnection extends SqlConnection {
Create a connection to MySQL server with the given connectOptions.
Params:
  • vertx – the vertx instance
  • connectOptions – the options for the connection
  • handler – the handler called with the connection or the failure
/** * Create a connection to MySQL server with the given {@code connectOptions}. * * @param vertx the vertx instance * @param connectOptions the options for the connection * @param handler the handler called with the connection or the failure */
static void connect(Vertx vertx, MySQLConnectOptions connectOptions, Handler<AsyncResult<MySQLConnection>> handler) { MySQLConnectionImpl.connect(vertx, connectOptions, handler); } /** * Like {@link #connect(Vertx, MySQLConnectOptions, Handler)} with options build from {@code connectionUri}. */ static void connect(Vertx vertx, String connectionUri, Handler<AsyncResult<MySQLConnection>> handler) { connect(vertx, fromUri(connectionUri), handler); } @Override MySQLConnection prepare(String sql, Handler<AsyncResult<PreparedQuery>> handler); @Override MySQLConnection exceptionHandler(Handler<Throwable> handler); @Override MySQLConnection closeHandler(Handler<Void> handler); @Override MySQLConnection preparedQuery(String sql, Handler<AsyncResult<RowSet>> handler); @GenIgnore @Override <R> MySQLConnection preparedQuery(String sql, Collector<Row, ?, R> collector, Handler<AsyncResult<SqlResult<R>>> handler); @Override MySQLConnection query(String sql, Handler<AsyncResult<RowSet>> handler); @GenIgnore @Override <R> MySQLConnection query(String sql, Collector<Row, ?, R> collector, Handler<AsyncResult<SqlResult<R>>> handler); @Override MySQLConnection preparedQuery(String sql, Tuple arguments, Handler<AsyncResult<RowSet>> handler); @GenIgnore @Override <R> MySQLConnection preparedQuery(String sql, Tuple arguments, Collector<Row, ?, R> collector, Handler<AsyncResult<SqlResult<R>>> handler);
Send a PING command to check if the server is alive.
Params:
  • handler – the handler notified when the server responses to client
Returns:a reference to this, so the API can be used fluently
/** * Send a PING command to check if the server is alive. * * @param handler the handler notified when the server responses to client * @return a reference to this, so the API can be used fluently */
@Fluent MySQLConnection ping(Handler<AsyncResult<Void>> handler);
Send a INIT_DB command to change the default schema of the connection.
Params:
  • schemaName – name of the schema to change to
  • handler – the handler notified with the execution result
Returns:a reference to this, so the API can be used fluently
/** * Send a INIT_DB command to change the default schema of the connection. * * @param schemaName name of the schema to change to * @param handler the handler notified with the execution result * @return a reference to this, so the API can be used fluently */
@Fluent MySQLConnection specifySchema(String schemaName, Handler<AsyncResult<Void>> handler);
Send a STATISTICS command to get a human readable string of the server internal status.
Params:
  • handler – the handler notified with the execution result
Returns:a reference to this, so the API can be used fluently
/** * Send a STATISTICS command to get a human readable string of the server internal status. * * @param handler the handler notified with the execution result * @return a reference to this, so the API can be used fluently */
@Fluent MySQLConnection getInternalStatistics(Handler<AsyncResult<String>> handler);
Send a SET_OPTION command to set options for the current connection.
Params:
  • option – the options to set
  • handler – the handler notified with the execution result
Returns:a reference to this, so the API can be used fluently
/** * Send a SET_OPTION command to set options for the current connection. * * @param option the options to set * @param handler the handler notified with the execution result * @return a reference to this, so the API can be used fluently */
@Fluent MySQLConnection setOption(MySQLSetOption option, Handler<AsyncResult<Void>> handler);
Send a RESET_CONNECTION command to reset the session state.
Params:
  • handler – the handler notified with the execution result
Returns:a reference to this, so the API can be used fluently
/** * Send a RESET_CONNECTION command to reset the session state. * * @param handler the handler notified with the execution result * @return a reference to this, so the API can be used fluently */
@Fluent MySQLConnection resetConnection(Handler<AsyncResult<Void>> handler);
Send a DEBUG command to dump debug information to the server's stdout.
Params:
  • handler – the handler notified with the execution result
Returns:a reference to this, so the API can be used fluently
/** * Send a DEBUG command to dump debug information to the server's stdout. * * @param handler the handler notified with the execution result * @return a reference to this, so the API can be used fluently */
@Fluent MySQLConnection debug(Handler<AsyncResult<Void>> handler);
Send a CHANGE_USER command to change the user of the current connection, this operation will also reset connection state.
Params:
  • options – authentication options, only username, password, database, collation and properties will be used.
  • handler – the handler
Returns:a reference to this, so the API can be used fluently
/** * Send a CHANGE_USER command to change the user of the current connection, this operation will also reset connection state. * * @param options authentication options, only username, password, database, collation and properties will be used. * @param handler the handler * @return a reference to this, so the API can be used fluently */
@Fluent MySQLConnection changeUser(MySQLConnectOptions options, Handler<AsyncResult<Void>> handler); }