https://github.com/jagrosh/easysql

Manage SQL Tables in H2 with less code and no annotations
https://github.com/jagrosh/easysql

h2-database sql

Last synced: about 1 year ago
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Manage SQL Tables in H2 with less code and no annotations

• Host: GitHub
• URL: https://github.com/jagrosh/easysql
• Owner: jagrosh
• License: apache-2.0
• Created: 2017-10-16T09:12:27.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2023-07-07T21:54:48.000Z (over 2 years ago)
• Last Synced: 2025-03-21T19:01:37.912Z (about 1 year ago)
• Topics: h2-database, sql
• Language: Java
• Homepage:
• Size: 18.6 KB
• Stars: 20
• Watchers: 3
• Forks: 2
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# EasySQL

Manage SQL Tables in H2 with less code

```java

import com.jagrosh.easysql.*;

import com.jagrosh.easysql.columns.*;

import java.time.Instant;

public class LastSeenManager extends DataManager {

    

    public final static SQLColumn USER_ID = new LongColumn("USER_ID", false, 0, true);

    public final static SQLColumn LAST_ACTIVE = new InstantColumn("LAST_ACTIVE", false, Instant.ofEpochSecond(0L));

    

    public LastSeenManager(DatabaseConnector connector) {

        super(connector, "LAST_SEEN");

    }

    

    public synchronized void setActive(long userId) {

        readWrite(selectAll(USER_ID.is(userId)), results -> {

            if(results.next()) {

                LAST_ACTIVE.updateValue(results, Instant.now());

                results.updateRow();

            } else {

                results.moveToInsertRow();

                USER_ID.updateValue(results, userId);

                LAST_ACTIVE.updateValue(results, Instant.now());

                results.insertRow();

            }

        });

    }

    

    public synchronized Instant lastActive(User user) {

        return read(select(USER_ID.is(user.getId()), LAST_ACTIVE), results -> {

            if(results.next())

                return LAST_ACTIVE.getValue(results);

            return null;

        });

    }

}

```