org.glassfish.hk2.api.PopulatorPostProcessor Maven / Gradle / Ivy
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package org.glassfish.hk2.api;
import org.glassfish.hk2.utilities.DescriptorImpl;
/**
* This interface allows the customization of services read in from
* an external source. For example, specific classloaders can be added,
* or duplicate descriptors can be removed.
*
* @author jwells
*
*/
public interface PopulatorPostProcessor {
/**
* This method can be used to alter the descriptor read in. It can also
* add descriptors, or remove the descriptor (by returning null).
* Any alterations made to the descriptor passed in will remain in effect.
*
* @param serviceLocator the ServiceLocator being populated. Will not be null
* @param descriptorImpl The descriptorImpl read from some external source. This
* processor can modify this descriptor fully
*
* @return The descriptor to be added to the system. If this returns null
* then the descriptorImpl passed in will NOT be added to the system. Implementations
* may return the descriptor passed in, but do not have to. The descriptor added to
* the system will be the one returned from this method
*/
public DescriptorImpl process(ServiceLocator serviceLocator, DescriptorImpl descriptorImpl);
}