cache configuration x 3

[Throckmorton]

In NH3.0, there are three ways of configuring the cache on entities:

1. in the mapping file

2. in the configuration xml settings

3. in code using the Configuration object

Is there an order of precedence for these different options? If I have read-write caching configured

in the mapping file, and then I set read-only caching in code, which setting does NH use?

[Jason Meckley]

IIRC it goes:

1. configuration

2. mapping overrides configuration

3. code overrides mappings

this is driven by 2 concepts

1. general/broad to specific: configuration file acts like a "catch all " or default setting. this can then be overridden for specific entities/queries in the mappings

2. order of operations: 1st the configuration is loaded, then the mappings. now you have a configuration object you can manipulate prior to creating the session factory.