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Lifecycle Management

Randgalt edited this page Aug 24, 2012 · 26 revisions

There is much more to an object’s lifecyle than just allocation via new. In particular, there is an important anti-pattern regarding letting this “escape” from a constructor. This page describes the problem in detail.

In Governator, an object can go through a number of steps in its lifecycle. Annotations are available to define methods for these steps. The steps are:

Allocation (via Guice)
     |
     v
Pre-Configuration
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     v
Configuration
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     V
Post Construction
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     V
Warm Up

At the end of the application, the object goes through these steps:

Cool Down
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     v
Pre Destroy