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>

  }


  @Override
  public Tuple createTupleAssociation(AssociationKey associationKey, RowKey rowKey) {
    PropertyContainer property = createRelationshipToEntityOrToTempNode( associationKey, rowKey );
    return new Tuple( new Neo4jTupleSnapshot( property ) );
  }

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    for ( EntityKeyMetadata entityKeyMetadata : entityKeyMetadatas ) {
      ResourceIterator<Node> queryNodes = neo4jCRUD.findNodes( entityKeyMetadata.getTable() );
      try {
        while ( queryNodes.hasNext() ) {
          Node next = queryNodes.next();
          Tuple tuple = createTuple( next );
          consumer.consume( tuple );
        }
      }
      finally {
        queryNodes.close();

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   * Returns a map with the named parameter values from the given parameters object, converted by the {@link GridType}
   * corresponding to each parameter type.
   */
  private Map<String, Object> getNamedParameterValuesConvertedByGridType(QueryParameters queryParameters) {
    Map<String, Object> parameterValues = new HashMap<String, Object>( queryParameters.getNamedParameters().size() );
    Tuple dummy = new Tuple();
    TypeTranslator typeTranslator = serviceRegistry.getService( TypeTranslator.class );


    for ( Entry<String, TypedValue> parameter : queryParameters.getNamedParameters().entrySet() ) {
      GridType gridType = typeTranslator.getType( parameter.getValue().getType() );
      gridType.nullSafeSet( dummy, parameter.getValue().getValue(), new String[]{ parameter.getKey() }, null );
      parameterValues.put( parameter.getKey(), dummy.get( parameter.getKey() ) );
    }


    return parameterValues;
  }

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  @Override
  public Tuple getTuple(EntityKey key, TupleContext tupleContext) {
    EntityDocument entity = getDataStore().getEntity( Identifier.createEntityId( key ) );
    if ( entity != null ) {
      return new Tuple( new CouchDBTupleSnapshot( entity.getProperties() ) );
    }


    return null;
  }

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    return null;
  }


  @Override
  public Tuple createTuple(EntityKey key, TupleContext tupleContext) {
    return new Tuple( new CouchDBTupleSnapshot( key ) );
  }

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  private List<Object> getAssociationRows(Association association, AssociationKey associationKey) {


    List<Object> rows = new ArrayList<Object>( association.getKeys().size() );


    for ( RowKey rowKey : association.getKeys() ) {
      Tuple tuple = association.get( rowKey );


      String[] columnsToPersist = associationKey.getMetadata().getColumnsWithoutKeyColumns( tuple.getColumnNames() );


      // return value itself if there is only a single column to store
      if ( columnsToPersist.length == 1 ) {
        Object row = tuple.get( columnsToPersist[0] );
        rows.add( row );
      }
      else {
        Map<String, Object> row = new HashMap<String, Object>( columnsToPersist.length );
        for ( String columnName : columnsToPersist ) {
          row.put( columnName, tuple.get( columnName ) );
        }


        rows.add( row );
      }
    }

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    }
  }


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

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  @JsonIgnore
  public List<Tuple> getTuples() {
    List<Tuple> tuples = new ArrayList<Tuple>( rows.size() );
    if ( rows.size() > 0 ) {
      for ( Row row : rows ) {
        tuples.add( new Tuple( new CouchDBTupleSnapshot( row.getValue().getProperties() ) ) );
      }
    }
    return tuples;
  }

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    }
    return createTuple( entityNode );
  }


  private Tuple createTuple(Node entityNode) {
    return new Tuple( new Neo4jTupleSnapshot( entityNode ) );
  }

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    return new Tuple( new Neo4jTupleSnapshot( entityNode ) );
  }


  @Override
  public Tuple createTuple(EntityKey key, TupleContext tupleContext) {
    return new Tuple();
  }

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org.hibernate.ogm.datastore.couchdb.dialect.model.impl.CouchDBAssociationSnapshot

org.hibernate.ogm.datastore.document.association.spi.AssociationRows

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