IExternalRequiredServicesFeature (Jadex Active Component Platform 4.0.258 API)

All Superinterfaces:

IExternalComponentFeature

All Known Subinterfaces:

IBDIAgent, IExternalAccess, IInternalAccess, IRequiredServicesFeature

All Known Implementing Classes:

RequiredServicesComponentFeature, RequiredServicesFeatureAdapter
```
public interface IExternalRequiredServicesFeature
extends IExternalComponentFeature
```
External perspective of the required services feature.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`<T> ISubscriptionIntermediateFuture<T>`	`addQuery(ServiceQuery<T> query)`	Add a service query.
`<T> IFuture<T>`	`searchService(ServiceQuery<T> query)`	Search for matching services and provide first result.
`<T> ITerminableIntermediateFuture<T>`	`searchServices(ServiceQuery<T> query)`	Search for all matching services.

- Method Detail
  - searchService
```
<T> IFuture<T> searchService(ServiceQuery<T> query)
```
    Search for matching services and provide first result.
    
    Parameters:
    
    query - The search query.
    
    Returns:
    
    Future providing the corresponding service or ServiceNotFoundException when not found.
  - searchServices
```
<T> ITerminableIntermediateFuture<T> searchServices(ServiceQuery<T> query)
```
    Search for all matching services.
    
    Parameters:
    
    query - The search query.
    
    Returns:
    
    Each service as an intermediate result or a collection of services as final result.
  - addQuery
```
<T> ISubscriptionIntermediateFuture<T> addQuery(ServiceQuery<T> query)
```
    Add a service query. Continuously searches for matching services. Use query setEventMode to retrieve also removals.
    
    Parameters:
    
    query - The search query.
    
    Returns:
    
    Future providing the corresponding services as intermediate results.