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/*
* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj;
import java.net.SocketAddress;
import java.util.concurrent.CompletableFuture;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.stream.Collector;
import com.mysql.cj.conf.HostInfo;
import com.mysql.cj.conf.PropertySet;
import com.mysql.cj.exceptions.CJOperationNotSupportedException;
import com.mysql.cj.exceptions.ExceptionFactory;
import com.mysql.cj.exceptions.ExceptionInterceptor;
import com.mysql.cj.log.Log;
import com.mysql.cj.log.ProfilerEventHandler;
import com.mysql.cj.protocol.Message;
import com.mysql.cj.protocol.Protocol;
import com.mysql.cj.protocol.ResultBuilder;
import com.mysql.cj.protocol.ServerSession;
import com.mysql.cj.result.Row;
/**
* {@link Session} exposes logical level which user API uses internally to call {@link Protocol} methods.
* It's a higher-level abstraction than MySQL server session ({@link ServerSession}). {@link Protocol} and {@link ServerSession} methods
* should never be used directly from user API.
*
*/
public interface Session {
PropertySet getPropertySet();
MessageBuilder getMessageBuilder();
/**
* Re-authenticates as the given user and password
*
* @param userName
* DB user name
* @param password
* DB user password
* @param database
* database name
*
*/
void changeUser(String userName, String password, String database);
ExceptionInterceptor getExceptionInterceptor();
void setExceptionInterceptor(ExceptionInterceptor exceptionInterceptor);
/**
* Log-off of the MySQL server and close the socket.
*
*/
void quit();
/**
* Clobbers the physical network connection and marks this session as closed.
*/
void forceClose();
/**
* Does the version of the MySQL server we are connected to meet the given
* minimums?
*
* @param major
* major version number
* @param minor
* minor version number
* @param subminor
* sub-minor version number
* @return true if current server version equal or higher than provided one
*/
boolean versionMeetsMinimum(int major, int minor, int subminor);
long getThreadId();
boolean isSetNeededForAutoCommitMode(boolean autoCommitFlag);
/**
* Returns the log mechanism that should be used to log information from/for this Session.
*
* @return the Log instance to use for logging messages.
*/
Log getLog();
/**
* Returns the current ProfilerEventHandler or initializes a new one if none exists.
*
* @return the {@link ProfilerEventHandler} object.
*/
ProfilerEventHandler getProfilerEventHandler();
HostInfo getHostInfo();
String getQueryTimingUnits();
ServerSession getServerSession();
boolean isSSLEstablished();
SocketAddress getRemoteSocketAddress();
String getProcessHost();
/**
* Add listener for this session status changes.
*
* @param l
* {@link SessionEventListener} instance.
*/
void addListener(SessionEventListener l);
/**
* Remove session listener.
*
* @param l
* {@link SessionEventListener} instance.
*/
void removeListener(SessionEventListener l);
public static interface SessionEventListener {
void handleNormalClose();
void handleReconnect();
void handleCleanup(Throwable whyCleanedUp);
}
boolean isClosed();
String getIdentifierQuoteString();
DataStoreMetadata getDataStoreMetadata();
/**
* Synchronously query database with applying rows filtering and mapping.
*
* @param message
* query message
* @param rowFilter
* row filter function
* @param rowMapper
* row map function
* @param collector
* result collector
* @param
* Message type
* @param
* Row type
* @param
* Result type
* @return List of rows
*/
default RES query(M message, Predicate rowFilter, Function rowMapper, Collector collector) {
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
/**
* Synchronously query database.
*
* @param message
* query message
* @param resultBuilder
* ResultBuilder instance
* @param
* Message type
* @param
* Result type
* @return {@link QueryResult} object
*/
default R query(M message, ResultBuilder resultBuilder) {
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
/**
* Asynchronously query database.
*
* @param message
* query message
* @param resultBuilder
* ResultBuilder instance
* @param
* Message type
* @param
* Result type
* @return CompletableFuture providing a {@link QueryResult} object
*/
default CompletableFuture queryAsync(M message, ResultBuilder resultBuilder) {
throw ExceptionFactory.createException(CJOperationNotSupportedException.class, "Not supported");
}
}
