InstanceImporter (Apache Zest™ (Java Edition) SDK 2.1)

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java.lang.Object
- org.qi4j.api.service.importer.InstanceImporter<T>

All Implemented Interfaces:

ServiceImporter<T>
```
public final class InstanceImporter<T>
extends Object
implements ServiceImporter<T>
```
Return a predefined service instance that was provided as meta-info. Search for meta-info in the following order: the service itself, the module of the service, the layer of the service, the whole application.

Constructor Summary

Constructors
Constructor and Description

InstanceImporter()

Method Summary

Methods
Modifier and Type	Method and Description
`T`	`importService(ImportedServiceDescriptor serviceDescriptor)` Imports an instance of the service type described in the service descriptor.
`boolean`	`isAvailable(T instance)` Ask if the service is available or not.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - InstanceImporter
```
public InstanceImporter()
```
- Method Detail
  - importService
```
public T importService(ImportedServiceDescriptor serviceDescriptor)
                throws ServiceImporterException
```
    Description copied from interface: ServiceImporter
    
    Imports an instance of the service type described in the service descriptor.
    
    Specified by:
    
    importService in interface ServiceImporter<T>
    
    Parameters:
    serviceDescriptor - The service descriptor.
    
    Returns:
    The imported service instance.
    
    Throws:
    
    ServiceImporterException - if import failed.
  - isAvailable
```
public boolean isAvailable(T instance)
```
    Description copied from interface: ServiceImporter
    
    Ask if the service is available or not.
    
    Specified by:
    
    isAvailable in interface ServiceImporter<T>
    
    Parameters:
    instance - the instance to be checked
    
    Returns:
    true if the service is available, false if not

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