com.mysql.cj.protocol.x.StatementExecuteOkBuilder Maven / Gradle / Ivy
/*
* Copyright (c) 2015, 2020, Oracle and/or its affiliates.
*
* 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.protocol.x;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.stream.Collectors;
import com.mysql.cj.exceptions.ExceptionFactory;
import com.mysql.cj.exceptions.WrongArgumentException;
import com.mysql.cj.protocol.ProtocolEntity;
import com.mysql.cj.protocol.ResultBuilder;
import com.mysql.cj.protocol.x.Notice.XSessionStateChanged;
import com.mysql.cj.protocol.x.Notice.XWarning;
/**
* Result builder producing a {@link StatementExecuteOk} instance. Handles state necessary to accumulate noticed and build a {@link StatementExecuteOk}
* response.
*/
public class StatementExecuteOkBuilder implements ResultBuilder {
private long rowsAffected = 0;
private Long lastInsertId = null;
private List generatedIds = Collections.emptyList();
private List warnings = new ArrayList<>();
@Override
public boolean addProtocolEntity(ProtocolEntity entity) {
if (entity instanceof Notice) {
addNotice((Notice) entity);
return false;
} else if (entity instanceof FetchDoneEntity) {
return false;
} else if (entity instanceof StatementExecuteOk) {
return true;
}
throw ExceptionFactory.createException(WrongArgumentException.class, "Unexpected protocol entity " + entity);
}
public StatementExecuteOk build() {
return new StatementExecuteOk(this.rowsAffected, this.lastInsertId, this.generatedIds, this.warnings);
}
private void addNotice(Notice notice) {
if (notice instanceof XWarning) {
this.warnings.add((XWarning) notice);
} else if (notice instanceof XSessionStateChanged) {
switch (((XSessionStateChanged) notice).getParamType()) {
case Notice.SessionStateChanged_GENERATED_INSERT_ID:
this.lastInsertId = ((XSessionStateChanged) notice).getValue().getVUnsignedInt(); // TODO: handle > 2^63-1?
break;
case Notice.SessionStateChanged_ROWS_AFFECTED:
this.rowsAffected = ((XSessionStateChanged) notice).getValue().getVUnsignedInt(); // TODO: handle > 2^63-1?
break;
case Notice.SessionStateChanged_GENERATED_DOCUMENT_IDS:
this.generatedIds = ((XSessionStateChanged) notice).getValueList().stream().map(v -> v.getVOctets().getValue().toStringUtf8())
.collect(Collectors.toList());
break;
case Notice.SessionStateChanged_PRODUCED_MESSAGE:
case Notice.SessionStateChanged_CURRENT_SCHEMA:
case Notice.SessionStateChanged_ACCOUNT_EXPIRED:
case Notice.SessionStateChanged_ROWS_FOUND:
case Notice.SessionStateChanged_ROWS_MATCHED:
case Notice.SessionStateChanged_TRX_COMMITTED:
case Notice.SessionStateChanged_TRX_ROLLEDBACK:
case Notice.SessionStateChanged_CLIENT_ID_ASSIGNED:
default:
// TODO do something with notices, expose them to client
}
}
}
}