package in.partake.model.dao.postgres9.impl;
import java.io.IOException;
import org.codehaus.jackson.JsonParseException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.node.ObjectNode;
import in.partake.base.TimeUtil;
import in.partake.model.dao.DAOException;
import in.partake.model.dao.DataIterator;
import in.partake.model.dao.MapperDataIterator;
import in.partake.model.dao.PartakeConnection;
import in.partake.model.dao.access.IMessageEnvelopeAccess;
import in.partake.model.dao.postgres9.Postgres9Connection;
import in.partake.model.dao.postgres9.Postgres9Dao;
import in.partake.model.dao.postgres9.Postgres9Entity;
import in.partake.model.dao.postgres9.Postgres9EntityDao;
import in.partake.model.dao.postgres9.Postgres9EntityDataMapper;
import in.partake.model.dto.MessageEnvelope;
class EntityMessageEnvelopeMapper extends Postgres9EntityDataMapper<MessageEnvelope> {
public MessageEnvelope map(ObjectNode obj) {
return new MessageEnvelope(obj).freeze();
}
@Override
public Postgres9Entity unmap(MessageEnvelope t) throws DAOException {
return new Postgres9Entity(t.getId(), Postgres9MessageEnvelopeDao.CURRENT_VERSION, t.toJSON().toString().getBytes(UTF8), null, TimeUtil.getCurrentDateTime());
}
}
public class Postgres9MessageEnvelopeDao extends Postgres9Dao implements IMessageEnvelopeAccess {
static final String ENTITY_TABLE_NAME = "MessageEnvelopeEntities";
static final int CURRENT_VERSION = 1;
private final Postgres9EntityDao entityDao;
private final EntityMessageEnvelopeMapper mapper;
public Postgres9MessageEnvelopeDao() {
this.entityDao = new Postgres9EntityDao(ENTITY_TABLE_NAME);
this.mapper = new EntityMessageEnvelopeMapper();
}
@Override
public void initialize(PartakeConnection con) throws DAOException {
entityDao.initialize((Postgres9Connection) con);
}
@Override
public void truncate(PartakeConnection con) throws DAOException {
entityDao.truncate((Postgres9Connection) con);
}
@Override
public void put(PartakeConnection con, MessageEnvelope envelope) throws DAOException {
Postgres9Connection pcon = (Postgres9Connection) con;
// TODO: Entity should have getId() instead of getEnvelopeId().
// TODO: Why User does not have createdAt and modifiedAt?
Postgres9Entity entity = new Postgres9Entity(envelope.getId(), CURRENT_VERSION, envelope.toJSON().toString().getBytes(UTF8), null, TimeUtil.getCurrentDateTime());
if (entityDao.exists(pcon, envelope.getId()))
entityDao.update(pcon, entity);
else
entityDao.insert(pcon, entity);
}
@Override
public MessageEnvelope find(PartakeConnection con, String id) throws DAOException {
Postgres9Entity entity = entityDao.find((Postgres9Connection) con, id);
if (entity == null)
return null;
ObjectNode json;
try {
json = new ObjectMapper().readValue(new String(entity.getBody(), UTF8), ObjectNode.class);
} catch (JsonParseException e) {
throw new IllegalArgumentException(e);
} catch (JsonMappingException e) {
throw new IllegalArgumentException(e);
} catch (IOException e) {
throw new DAOException(e);
}
return new MessageEnvelope(json).freeze();
}
@Override
public boolean exists(PartakeConnection con, String id) throws DAOException {
return entityDao.exists((Postgres9Connection) con, id);
}
@Override
public void remove(PartakeConnection con, String id) throws DAOException {
entityDao.remove((Postgres9Connection) con, id);
}
@Override
public DataIterator<MessageEnvelope> getIterator(PartakeConnection con) throws DAOException {
return new MapperDataIterator<Postgres9Entity, MessageEnvelope>(mapper, entityDao.getIterator((Postgres9Connection) con));
}
@Override
public String getFreshId(PartakeConnection con) throws DAOException {
return entityDao.getFreshId((Postgres9Connection) con);
}
@Override
public int count(PartakeConnection con) throws DAOException {
return entityDao.count((Postgres9Connection) con);
}
}