[ https://issues.apache.org/jira/browse/ARROW-1361?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16133727#comment-16133727 ]
Jacques Nadeau commented on ARROW-1361: --------------------------------------- Random idea... what do you think about the idea of making Field be a generic type that allows getType() to return a specific type? For vectors, getField() would return a specific type such as ArrowType.Timestamp for NullableTimeStampMicroTZVector(). This allows us a generic interface that just gets more specific as you drill inward. > [Java] Add minor type param accessors to NullableValueVectors > ------------------------------------------------------------- > > Key: ARROW-1361 > URL: https://issues.apache.org/jira/browse/ARROW-1361 > Project: Apache Arrow > Issue Type: Improvement > Components: Java - Vectors > Reporter: Bryan Cutler > Assignee: Bryan Cutler > > A {{NullableValueVector}} creates private copies of each param in the minor > type, but does not have any way public api to access them. So if given a > {{NullableValueVector}} you would have to use the {{Field}} and cast to the > correct type. For example, with a {{NullableTimeStampMicroTZVector}} and > trying to get the timezone: > {noformat} > if field.getType.isInstanceOf[ArrowType.Timestamp] && > field.getType.asInstanceOf[ArrowType.Timestamp].getTimezone > {noformat} > It would be more convenient to have direct accessors for these type params. > Also, it is possible to do some minor refactoring because > {{NullableValueVectors}} does not use these type params, so there is no need > to store them. They already exist in the inner vector object and the Field > type. -- This message was sent by Atlassian JIRA (v6.4.14#64029)