spring-projects/spring-data-jpa — pull request #85 by thomasdarimont (2014-04-30 09:25:23+00:00)
Title: DATAJPA-523 - Make Specification implement Serializable.

Specification now implements Serializable to be able to transfer Specifications across systems boundaries.

Note that currently only Hibernate and EclipseLink expression structures implement Serializable - OpenJPA's don't.