Refactorings and API improvements in preparation for DATAJDBC-224 [DATAJDBC-227]

[spring-projects-issues]

Jens Schauder opened DATAJDBC-227 and commented

The work on DATAJDBC-224 involves a refactoring of the JdbcEntityWriter to make it easier maintainable and a rework of the DbAction API in order to make it more expressive.

This issues bundles these changes in order to get them on master before RC1

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Issue Links:

• DATAJDBC-187 Refactor JdbcEntityWriter based on DATACMNS-1275
  ("is duplicated by")

Referenced from: pull request #79, and commits cfd3112, 12f95fb, 12d539a, d9cf7d1, eb2d270, bdefd3d, 31f3f2f, e52b4a9, 1e04263, 5018a79, 38fffb3, 55cc846, 72e0673