Examples of org.hibernate.ogm.datastore.spi.Tuple

org.hibernate.ogm.datastore.spi.Tuple
Represents a Tuple (think of it as a row) A tuple accepts a TupleShapshot which is a read-only state of the tuple at creation time. A tuple collects changes applied to it. These changes are represented by a list of TupleOperation. It is intended that GridDialects retrieve to these actions and reproduce them to the datastore. The list of changes is computed based off the snapshot. @author Emmanuel Bernard <emmanuel@hibernate.org> @author Sanne Grinovero <sanne@hibernate.org>

      Object entity,
      Object[] state,
      SessionImplementor session,
      GenerationTiming matchTiming) {


    Tuple tuple = getResultsetById( id, session );


    if ( tuple == null || tuple.getSnapshot().isEmpty() ) {
      throw log.couldNotRetrieveEntityForRetrievalOfGeneratedProperties( getEntityName(), id );
    }


    int propertyIndex = -1;
    for ( NonIdentifierAttribute attribute : getEntityMetamodel().getProperties() ) {

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    return IdSourceKey.forTable( generatorKeyMetadata, segmentName );
  }


  private Object nullSafeSet(GridType type, Object value, String columnName, SessionImplementor session) {
    Tuple tuple = new Tuple();
    type.nullSafeSet( tuple, value, new String[] { columnName }, session );
    return tuple.get( columnName );
  }

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    Map<String, Object> entityMap = provider.getEntityTuple( key );
    if ( entityMap == null ) {
      return null;
    }
    else {
      return new Tuple( new MapTupleSnapshot( entityMap ) );
    }
  }

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  @Override
  public Tuple createTuple(EntityKey key, TupleContext tupleContext) {
    HashMap<String,Object> tuple = new HashMap<String,Object>();
    provider.putEntity( key, tuple );
    return new Tuple( new MapTupleSnapshot( tuple ) );
  }

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    provider.removeAssociation( key );
  }


  @Override
  public Tuple createTupleAssociation(AssociationKey associationKey, RowKey rowKey) {
    return new Tuple();
  }

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  public void forEachTuple(Consumer consumer, EntityKeyMetadata... metadatas) {
    Map<EntityKey, Map<String, Object>> entityMap = provider.getEntityMap();
    for ( EntityKey key : entityMap.keySet() ) {
      for ( EntityKeyMetadata metadata : metadatas ) {
        if ( key.getTable().equals( metadata.getTable() ) ) {
          consumer.consume( new Tuple( new MapTupleSnapshot( entityMap.get( key ) ) ) );
        }
      }
    }
  }

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  @Override
  public Object readKey(ResultSet rs, String[] aliases, SessionImplementor session)
      throws HibernateException, SQLException {
    final TupleAsMapResultSet resultset = rs.unwrap( TupleAsMapResultSet.class );
    final Tuple keyTuple = resultset.getTuple();
    return keyGridType.nullSafeGet( keyTuple, aliases, session, null );
  }

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  @Override
  public Object readElement(ResultSet rs, Object owner, String[] aliases, SessionImplementor session)
      throws HibernateException, SQLException {
    final TupleAsMapResultSet resultset = rs.unwrap( TupleAsMapResultSet.class );
    final Tuple keyTuple = resultset.getTuple();
    return elementGridType.nullSafeGet( keyTuple, aliases, session, owner );
  }

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  @Override
  public Object readIdentifier(ResultSet rs, String alias, SessionImplementor session)
      throws HibernateException, SQLException {
    final TupleAsMapResultSet resultset = rs.unwrap( TupleAsMapResultSet.class );
    final Tuple keyTuple = resultset.getTuple();
    return identifierGridType.nullSafeGet( keyTuple, alias, session, null );
  }

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  @Override
  public Object readIndex(ResultSet rs, String[] aliases, SessionImplementor session)
      throws HibernateException, SQLException {
    final TupleAsMapResultSet resultset = rs.unwrap( TupleAsMapResultSet.class );
    final Tuple keyTuple = resultset.getTuple();
    return indexGridType.nullSafeGet( keyTuple, aliases, session, null );
  }

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