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eZ Publish (5.x)

eZ Publish 5.x | For eZ Platform & eZ Studio topics see Technical manual and User manual, for eZ Publish 4.x and Legacy topics see eZ Publish legacy

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Comment: Added doc about caching


Do not hesitate to look into the built-in ValueObjectVisitors, in eZ/Publish/Core/REST/Server/Output/ValueObjectVisitor, for more examples.

Cache handling

The easiest way to handle cache is to re-use the CachedValue Value Object. It acts as a proxy, and adds the cache headers, depending on the configuration, for a given object and set of options.

When you want the response to be cached, return an instance of CachedValue, with your Value Object as the argument. You can also pass a location id using the second argument, so that the Response is tagged with it:

Code Block
return new CachedValue($helloValue, ['locationId', 42]);

Input parser

What we have seen above covers requests that don't require an input payload, such as GET or DELETE. If you need to provide your controller with parameters, either in JSON or XML, the parameter struct requires an Input Parser so that the payload can be converted to an actual ValueObject.