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package org.glassfish.hk2.api;
/**
* This class is used to add {@link Descriptor}s to a {@link ServiceLocator}
* instance. No operation performed on this object will be reflected
* in the {@link ServiceLocator} until the commit method is called.
*
* @author jwells
*
*/
public interface DynamicConfiguration {
/**
* This method will bind the given descriptor to this Module.
* If the descriptor given is not an ActiveDescriptor then a
* non-reified ActiveDescriptor will be returned with the system
* provided fields set. If the descriptor given is a reified
* ActiveDescriptor then the descriptor returned will be a
* reified ActiveDescriptor that takes all values except for the
* id from the given descriptor. A deep copy will be made
* of the incoming descriptor
*
* @param key May not be null. Will be used to derive the various
* key fields associated with the given provider
* @return The entry as added to the service registry, with fields
* of the Descriptor filled in by the system as appropriate
* @throws IllegalArgumentException if there is an error in the key
*/
public ActiveDescriptor bind(Descriptor key);
/**
* This method will bind the given descriptor to this Module.
* If the descriptor given is not an ActiveDescriptor then a
* non-reified ActiveDescriptor will be returned with the system
* provided fields set. If the descriptor given is a reified
* ActiveDescriptor then the descriptor returned will be a
* reified ActiveDescriptor that takes all values except for the
* id from the given descriptor.
*
* @param key May not be null. Will be used to derive the various
* key fields associated with the given provider
* @param requiresDeepCopy If true a deep copy will be made of the
* key. If false then the Descriptor will be used as is, and it
* is the responsibility of the caller to ensure that the fields
* of the Descriptor never change (with the exception of any
* writeable fields, such as ranking)
* @return The entry as added to the service registry, with fields
* of the Descriptor filled in by the system as appropriate
* @throws IllegalArgumentException if there is an error in the key
*/
public ActiveDescriptor bind(Descriptor key, boolean requiresDeepCopy);
/**
* This method will bind the descriptors found in the
* {@link FactoryDescriptors}. This method will first
* validate the descriptors from the {@link FactoryDescriptors}
* and then simply bind them into this configuration as
* two independent descriptors. A deep copy will be made
* of both descriptors
*
* @param factoryDescriptors A description of a factory service
* and the type the factory service provides. May not be null
* @return The descriptors returned from this object may be cast
* to ActiveDescriptor and will contain all the fields of the descriptors
* filled in by the system
* @throws IllegalArgumentException if there is an error in the input parameter
*/
public FactoryDescriptors bind(FactoryDescriptors factoryDescriptors);
/**
* This method will bind the descriptors found in the
* {@link FactoryDescriptors}. This method will first
* validate the descriptors from the {@link FactoryDescriptors}
* and then simply bind them into this configuration as
* two independent descriptors. A deep copy will be made
* of both descriptors
*
* @param factoryDescriptors A description of a factory service
* and the type the factory service provides. May not be null
* @param requiresDeepCopy If true a deep copy will be made of the
* key. If false then the Descriptor will be used as is, and it
* is the responsibility of the caller to ensure that the fields
* of the Descriptor never change (with the exception of any
* writeable fields, such as ranking)
* @return The descriptors returned from this object may be cast
* to ActiveDescriptor and will contain all the fields of the descriptors
* filled in by the system
* @throws IllegalArgumentException if there is an error in the input parameter
*/
public FactoryDescriptors bind(FactoryDescriptors factoryDescriptors, boolean requiresDeepCopy);
/**
* This allows third party systems to add reified active descriptors to the system.
* The active descriptor given must be fully reified (isReified must return true) and
* the create and destroy methods must be implemented. A deep copy will
* be made of the descriptor
*
* @param activeDescriptor The reified active descriptor to be added to the system. The
* system will not attempt to reify this descriptor itself
* @return The entry as added to the service registry, with fields
* of the Descriptor filled in by the system as appropriate
* @throws IllegalArgumentException if the descriptor is not reified
*/
public ActiveDescriptor addActiveDescriptor(ActiveDescriptor activeDescriptor)
throws IllegalArgumentException;
/**
* This allows third party systems to add reified active descriptors to the system.
* The active descriptor given must be fully reified (isReified must return true) and
* the create and destroy methods must be implemented. A deep copy will
* be made of the descriptor
*
* @param activeDescriptor The reified active descriptor to be added to the system. The
* system will not attempt to reify this descriptor itself
* @param requiresDeepCopy If true a deep copy will be made of the
* key. If false then the Descriptor will be used as is, and it
* is the responsibility of the caller to ensure that the fields
* of the Descriptor never change (with the exception of any
* writeable fields, such as ranking)
* @return The entry as added to the service registry, with fields
* of the Descriptor filled in by the system as appropriate
* @throws IllegalArgumentException if the descriptor is not reified
*/
public ActiveDescriptor addActiveDescriptor(ActiveDescriptor activeDescriptor, boolean requiresDeepCopy)
throws IllegalArgumentException;
/**
* This adds an active descriptor to the system based completely on the analysis
* of the given class. The class itself and all interfaces marked contract will
* be in the list of advertised services. The scope and qualifiers will be taken
* from the annotations on the class.
*
* @param rawClass The class to analyze, must not be null
* @return The active (reified) descriptor that has been added to the system, with
* all fields filled in based on the rawClass
* @throws MultiException If this class cannot be a service
* @throws IllegalArgumentException if rawClass is null
*/
public ActiveDescriptor addActiveDescriptor(Class rawClass)
throws MultiException, IllegalArgumentException;
/**
* This filter will added to the list of filters in this Configuration that will
* determine which Descriptors will be removed from the system. Only services directly
* from this Configuration objects' associated ServiceLocator will be given to this Filter
* (it will not be given descriptors from the ServiceLocators parent). The descriptors passed
* into this filter may be cast to {@link ActiveDescriptor}. The descriptors passed into this
* filter may or may not have been reified. This filter should not reify passed in descriptors.
*
* And descriptor for which this filter returns true will be removed from the
* {@link ServiceLocator} prior to any additions that are performed with this
* Configuration object. Hence a Configuration can remove and add a descriptor of the
* same type in one commit.
*
* In order to unbind a filter the caller of commit must pass the LOOKUP validators and the
* UNBIND validators.
*
* @param unbindFilter This filter will be added to the list of filters that this
* configuration object will use to determine which descriptors to unbind from the system.
* May not be null
* @throws IllegalArgumentException if unbindFilter is null
*/
public void addUnbindFilter(Filter unbindFilter) throws IllegalArgumentException;
/**
* This causes the configuration to get committed. This
* method may only be called once
*
* @throws MultiException If errors were found in the commit process
* @throws IllegalStateException if this method was called more than once
*/
public void commit() throws MultiException;
}