org.apache.felix.ipojo.dependency.interceptors

Interface DependencyInterceptor

All Known Subinterfaces:

ServiceBindingInterceptor, ServiceRankingInterceptor, ServiceTrackingInterceptor

All Known Implementing Classes:

ComparatorBasedServiceRankingInterceptor, DefaultDependencyInterceptor, DefaultServiceRankingInterceptor, DefaultServiceTrackingInterceptor, EmptyBasedServiceRankingInterceptor, FilterBasedServiceTrackingInterceptor

public interface DependencyInterceptor

Dependency interceptor are collaborating with the service dependency during the service resolution. Interceptors publishes a service property (target) to select the dependencies they handle. Notice that interceptor can invalidate the set of service used by a dependency by calling DependencyModel.invalidateMatchingServices() and DependencyModel.invalidateSelectedServices().

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	TARGET_PROPERTY A mandatory property published by provider of this service.

Method Summary

Modifier and Type	Method and Description
void	close(DependencyModel dependency) The interceptor won't be use anymore by the given dependency.
void	open(DependencyModel dependency) The interceptor is plugged to the given dependency.

Field Detail

TARGET_PROPERTY

static final java.lang.String TARGET_PROPERTY

A mandatory property published by provider of this service. The value must be a LDAP filter (Filter or String). This filter will be confronted to the dependency property.

See Also:

Filter, Constant Field Values

Method Detail

open

void open(DependencyModel dependency)

The interceptor is plugged to the given dependency.

Parameters:

dependency - the dependency starting using the interceptor.

close

void close(DependencyModel dependency)

The interceptor won't be use anymore by the given dependency. This method is called either when the interceptor is replace or when the instance's dependency is stopping.

Parameters:

dependency - the dependency stopping its use of the interceptor