Example Entity.java

import org.greenrobot.greendao.DaoException;
import org.greenrobot.greendao.annotation.Entity;
import org.greenrobot.greendao.annotation.Generated;
import org.greenrobot.greendao.annotation.Id;
import org.greenrobot.greendao.annotation.NotNull;
import org.greenrobot.greendao.annotation.ToOne;

import java.util.Date;

/**
 * @author <a href="mailto:kschneider@codingfalx.de">Kristoffer Schneider alias falx<a>
 */
@Entity(active = true)
public class MessageEntity extends BaseEntity {
    private static final String TAG = MessageEntity.class.getSimpleName();

    @Id
    private Long id;
    @NotNull
    private String sender;
    @NotNull
    private Date timeStamp;
    @NotNull
    private String message;
    @NotNull
    @ToOne(joinProperty = "channelId")
    private ChannelEntity channel;
    private Long channelId;

    /**
     * Used to resolve relations
     */
    @Generated(hash = 2040040024)
    private transient DaoSession daoSession;

    /**
     * Used for active entity operations.
     */
    @Generated(hash = 499759967)
    private transient MessageEntityDao myDao;
    @Generated(hash = 575478453)
    private transient Long channel__resolvedKey;

    @Generated(hash = 525590421)
    public MessageEntity(Long id, @NotNull String sender, @NotNull Date timeStamp,
                         @NotNull String message, Long channelId) {
        this.id = id;
        this.sender = sender;
        this.timeStamp = timeStamp;
        this.message = message;
        this.channelId = channelId;
    }

    @Generated(hash = 1797882234)
    public MessageEntity() {
    }

    public Long getId() {
        return this.id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getSender() {
        return this.sender;
    }

    public void setSender(String sender) {
        this.sender = sender;
    }

    public Date getTimeStamp() {
        return this.timeStamp;
    }

    public void setTimeStamp(Date timeStamp) {
        this.timeStamp = timeStamp;
    }

    public String getMessage() {
        return this.message;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    /**
     * Convenient call for {@link org.greenrobot.greendao.AbstractDao#delete(Object)}.
     * Entity must attached to an entity context.
     */
    @Generated(hash = 128553479)
    public void delete() {
        if (myDao == null) {
            throw new DaoException("Entity is detached from DAO context");
        }
        myDao.delete(this);
    }

    /**
     * Convenient call for {@link org.greenrobot.greendao.AbstractDao#refresh(Object)}.
     * Entity must attached to an entity context.
     */
    @Generated(hash = 1942392019)
    public void refresh() {
        if (myDao == null) {
            throw new DaoException("Entity is detached from DAO context");
        }
        myDao.refresh(this);
    }

    /**
     * Convenient call for {@link org.greenrobot.greendao.AbstractDao#update(Object)}.
     * Entity must attached to an entity context.
     */
    @Generated(hash = 713229351)
    public void update() {
        if (myDao == null) {
            throw new DaoException("Entity is detached from DAO context");
        }
        myDao.update(this);
    }

    public Long getChannelId() {
        return this.channelId;
    }

    public void setChannelId(Long channelId) {
        this.channelId = channelId;
    }

    /**
     * To-one relationship, resolved on first access.
     */
    @Generated(hash = 1570739365)
    public ChannelEntity getChannel() {
        Long __key = this.channelId;
        if (channel__resolvedKey == null || !channel__resolvedKey.equals(__key)) {
            final DaoSession daoSession = this.daoSession;
            if (daoSession == null) {
                throw new DaoException("Entity is detached from DAO context");
            }
            ChannelEntityDao targetDao = daoSession.getChannelEntityDao();
            ChannelEntity channelNew = targetDao.load(__key);
            synchronized (this) {
                channel = channelNew;
                channel__resolvedKey = __key;
            }
        }
        return channel;
    }

    /**
     * called by internal mechanisms, do not call yourself.
     */
    @Generated(hash = 469215866)
    public void setChannel(ChannelEntity channel) {
        synchronized (this) {
            this.channel = channel;
            channelId = channel == null ? null : channel.getId();
            channel__resolvedKey = channelId;
        }
    }

    /** called by internal mechanisms, do not call yourself. */
    @Generated(hash = 83651317)
    public void __setDaoSession(DaoSession daoSession) {
        this.daoSession = daoSession;
        myDao = daoSession != null ? daoSession.getMessageEntityDao() : null;
    }
}