Examples of org.hibernate.ogm.model.spi.TupleSnapshot

org.hibernate.ogm.model.spi.TupleSnapshot
Represents the Tuple snapshot as loaded by the datastore. Interface implemented by the datastore dialect to avoid data duplication in memory (if possible). Note that this snapshot will not be modified by the Hibernate OGM engine @author Emmanuel Bernard <emmanuel@hibernate.org>

  public static Map<String, Object> tupleToMap(Tuple tuple) {
    if (tuple == null) {
      return null;
    }
    Map<String, Object> snapshot;
    TupleSnapshot snapshotInstance = tuple.getSnapshot();
    if ( snapshotInstance.isEmpty() ) {
      //new assoc tuples are made of EmptyTupleSnapshot
      snapshot = Collections.emptyMap();
    }
    else {
      //loaded assoc tuples are made of MapTupleSnapshot

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  @Override
  public Map<String, Object> extractEntityTuple(SessionFactory sessionFactory, EntityKey key) {
    Map<String, Object> tuple = new HashMap<String, Object>();
    GridDialect dialect = getDialect( sessionFactory );
    TupleSnapshot snapshot = dialect.getTuple( key, GridDialectOperationContexts.emptyTupleContext() ).getSnapshot();
    for ( String column : snapshot.getColumnNames() ) {
      tuple.put( column, snapshot.get( column ) );
    }
    return tuple;
  }

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