ARROW-16529: [Java] Fix ArrowVectorIterator.hasNext()

[toddfarmer]

Calls to ArrowVectorIterator.hasNext() should return true until ArrowVectorIterator.next() has been called, and the underlying ResultSet has been fully consumed.

[github-actions]

Thanks for opening a pull request!

If this is not a minor PR. Could you open an issue for this pull request on JIRA? https://issues.apache.org/jira/browse/ARROW

Opening JIRAs ahead of time contributes to the Openness of the Apache Arrow project.

Then could you also rename pull request title in the following format?

ARROW-${JIRA_ID}: [${COMPONENT}] ${SUMMARY}

or

MINOR: [${COMPONENT}] ${SUMMARY}

See also:

• Other pull requests
• Contribution Guidelines - How to contribute patches

[github-actions]

https://issues.apache.org/jira/browse/ARROW-16035

[lidavidm]

Do you mind making a new Jira ticket for this? You can link the tickets in Jira to represent the relationship.

[github-actions]

https://issues.apache.org/jira/browse/ARROW-16529

[github-actions]

⚠️ Ticket has not been started in JIRA, please click 'Start Progress'.

[ursabot]

Benchmark runs are scheduled for baseline = 9ae12a5 and contender = 21de30e. 21de30e is a master commit associated with this PR. Results will be available as each benchmark for each run completes.
Conbench compare runs links:
[Finished ⬇️0.0% ⬆️0.0%] ec2-t3-xlarge-us-east-2
[Finished ⬇️0.12% ⬆️0.04%] test-mac-arm
[Failed ⬇️0.0% ⬆️0.36%] ursa-i9-9960x
[Finished ⬇️1.22% ⬆️0.28%] ursa-thinkcentre-m75q
Buildkite builds:
[Finished] 21de30e8 ec2-t3-xlarge-us-east-2
[Finished] 21de30e8 test-mac-arm
[Failed] 21de30e8 ursa-i9-9960x
[Finished] 21de30e8 ursa-thinkcentre-m75q
[Finished] 9ae12a56 ec2-t3-xlarge-us-east-2
[Finished] 9ae12a56 test-mac-arm
[Finished] 9ae12a56 ursa-i9-9960x
[Finished] 9ae12a56 ursa-thinkcentre-m75q
Supported benchmarks:
ec2-t3-xlarge-us-east-2: Supported benchmark langs: Python, R. Runs only benchmarks with cloud = True
test-mac-arm: Supported benchmark langs: C++, Python, R
ursa-i9-9960x: Supported benchmark langs: Python, R, JavaScript
ursa-thinkcentre-m75q: Supported benchmark langs: C++, Java