org.neo4j.jdbc.bolt.BoltDatabaseMetaData Maven / Gradle / Ivy
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/*
* Copyright (c) 2016 LARUS Business Automation [http://www.larus-ba.it]
*
* This file is part of the "LARUS Integration Framework for Neo4j".
*
* The "LARUS Integration Framework for Neo4j" is licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Created on 01/03/2016
*/
package org.neo4j.jdbc.bolt;
import org.neo4j.driver.v1.Record;
import org.neo4j.driver.v1.StatementResult;
import org.neo4j.jdbc.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.SQLException;
/**
* Provides metadata
*
* @author AgileLARUS
* @since 3.0.0
*/
class BoltDatabaseMetaData extends DatabaseMetaData {
private BoltDatabaseMetaData(BoltConnection connection, boolean debug) {
super(connection, debug);
// compute database version
if (connection != null) {
try {
BoltConnection conn = (BoltConnection) DriverManager.getConnection(connection.url, connection.properties);
StatementResult rs = conn.getSession()
.run("CALL dbms.components() yield name,versions WITH * WHERE name=\"Neo4j Kernel\" RETURN versions[0] AS version");
if (rs != null && rs.hasNext()) {
Record record = rs.next();
if (record.containsKey("version")) {
databaseVersion = record.get("version").asString();
}
}
conn.close();
} catch (SQLException e) {
//e.printStackTrace();
}
}
}
public BoltDatabaseMetaData(BoltConnection connection) {
this(connection, false);
}
}