Added support of the read locks

[babltiga]

Added support of the read locks via withLock() operation chaining.

closes #1059

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[mikereiche]

Excellent. Thanks very much.

[mikereiche]

fyi - I'm not sure how picky the jira automation is, but I've been instructed to use exactly "Closes #<issue-number>." as the last line of the commit-comment.

Thank you very much for your contribution. Well done.