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/*
* 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 demo.x.devapi;
import com.mysql.cj.xdevapi.Collection;
import com.mysql.cj.xdevapi.DbDoc;
import com.mysql.cj.xdevapi.DbDocImpl;
import com.mysql.cj.xdevapi.DocResult;
import com.mysql.cj.xdevapi.JsonNumber;
import com.mysql.cj.xdevapi.JsonString;
import com.mysql.cj.xdevapi.Schema;
import com.mysql.cj.xdevapi.Session;
import com.mysql.cj.xdevapi.SessionFactory;
/*
* Sample program showing how to use Connector/J's Dev API support.
*/
public class DevApiSample {
public static void main(String[] args) {
Session session = new SessionFactory().getSession("mysqlx://localhost:33060/test?user=user&password=password1234");
System.err.println("Connected!");
Schema schema = session.getDefaultSchema();
System.err.println("Default schema is: " + schema);
documentWalkthrough(schema);
}
public static void documentWalkthrough(Schema schema) {
// document walthrough
Collection coll = schema.createCollection("myBooks", /* reuseExisting? */ true);
DbDoc newDoc = new DbDocImpl().add("isbn", new JsonString().setValue("12345"));
newDoc.add("title", new JsonString().setValue("Effi Briest"));
newDoc.add("author", new JsonString().setValue("Theodor Fontane"));
newDoc.add("currentlyReadingPage", new JsonNumber().setValue(String.valueOf(42)));
coll.add(newDoc).execute();
// note: "$" prefix for document paths is optional. "$.title.somethingElse[0]" is the same as "title.somethingElse[0]" in document expressions
DocResult docs = coll.find("$.title = 'Effi Briest' and $.currentlyReadingPage > 10").execute();
DbDoc book = docs.next();
System.err.println("Currently reading " + ((JsonString) book.get("title")).getString() + " on page "
+ ((JsonNumber) book.get("currentlyReadingPage")).getInteger());
// increment the page number and fetch it again
coll.modify("$.isbn = 12345").set("$.currentlyReadingPage", ((JsonNumber) book.get("currentlyReadingPage")).getInteger() + 1).execute();
docs = coll.find("$.title = 'Effi Briest' and $.currentlyReadingPage > 10").execute();
book = docs.next();
System.err.println("Currently reading " + ((JsonString) book.get("title")).getString() + " on page "
+ ((JsonNumber) book.get("currentlyReadingPage")).getInteger());
// remove the doc
coll.remove("true").execute();
System.err.println("Number of books in collection: " + coll.count());
schema.dropCollection(coll.getName());
}
}
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