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JDBC Type 4 driver for MySQL
/*
* Copyright (c) 2015, 2018, 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.xdevapi;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
import com.mysql.cj.Messages;
import com.mysql.cj.MysqlxSession;
import com.mysql.cj.protocol.x.StatementExecuteOk;
import com.mysql.cj.protocol.x.XMessage;
import com.mysql.cj.protocol.x.XMessageBuilder;
/**
* {@link ModifyStatement} implementation.
*/
public class ModifyStatementImpl extends FilterableStatement implements ModifyStatement {
private MysqlxSession mysqlxSession;
private List updates = new ArrayList<>();
/* package private */ ModifyStatementImpl(MysqlxSession mysqlxSession, String schema, String collection, String criteria) {
super(new DocFilterParams(schema, collection));
if (criteria == null || criteria.trim().length() == 0) {
throw new XDevAPIError(Messages.getString("ModifyStatement.0", new String[] { "criteria" }));
}
this.filterParams.setCriteria(criteria);
this.mysqlxSession = mysqlxSession;
}
@Override
public Result execute() {
StatementExecuteOk ok = this.mysqlxSession
.sendMessage(((XMessageBuilder) this.mysqlxSession. getMessageBuilder()).buildDocUpdate(this.filterParams, this.updates));
return new UpdateResult(ok);
}
@Override
public CompletableFuture executeAsync() {
CompletableFuture okF = this.mysqlxSession
.asyncSendMessage(((XMessageBuilder) this.mysqlxSession. getMessageBuilder()).buildDocUpdate(this.filterParams, this.updates));
return okF.thenApply(ok -> new UpdateResult(ok));
}
@Override
public ModifyStatement set(String docPath, Object value) {
this.updates.add(new UpdateSpec(UpdateType.ITEM_SET, docPath).setValue(value));
return this;
}
@Override
public ModifyStatement change(String docPath, Object value) {
this.updates.add(new UpdateSpec(UpdateType.ITEM_REPLACE, docPath).setValue(value));
return this;
}
@Override
public ModifyStatement unset(String... fields) {
this.updates.addAll(Arrays.stream(fields).map(docPath -> new UpdateSpec(UpdateType.ITEM_REMOVE, docPath)).collect(Collectors.toList()));
return this;
}
@Override
public ModifyStatement patch(DbDoc document) {
return patch(document.toString());
}
@Override
public ModifyStatement patch(String document) {
this.updates.add(new UpdateSpec(UpdateType.MERGE_PATCH, "").setValue(Expression.expr(document)));
return this;
}
@Override
public ModifyStatement arrayInsert(String field, Object value) {
this.updates.add(new UpdateSpec(UpdateType.ARRAY_INSERT, field).setValue(value));
return this;
}
@Override
public ModifyStatement arrayAppend(String docPath, Object value) {
this.updates.add(new UpdateSpec(UpdateType.ARRAY_APPEND, docPath).setValue(value));
return this;
}
}