AbstractServiceProvider (Units of Measurement Reference Implementation 2.2.2 API)

java.lang.Object
- javax.measure.spi.ServiceProvider
- - tech.units.indriya.spi.AbstractServiceProvider

All Implemented Interfaces:

Comparable<ServiceProvider>

Direct Known Subclasses:

DefaultServiceProvider
```
public abstract class AbstractServiceProvider
extends ServiceProvider
implements Comparable<ServiceProvider>
```
This class extends the ServiceProvider class and hereby uses the JDK ServiceLoader to load the required services.

Since:

2.0

Version:

2.0

Author:

Werner Keil

Constructor Summary

Constructors
Constructor Description

AbstractServiceProvider()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`compareTo(ServiceProvider o)`
`FormatService`	`getFormatService()`
`<Q extends Quantity<Q>> QuantityFactory<Q>`	`getQuantityFactory(Class<Q> quantity)`	Return a factory for this quantity
`protected <T> T`	`getService(Class<T> serviceType)`
`protected <T> List<T>`	`getServices(Class<T> serviceType)`	Loads and registers services.
`SystemOfUnitsService`	`getSystemOfUnitsService()`
`abstract String`	`toString()`

Methods inherited from class javax.measure.spi.ServiceProvider
available, current, getPriority, of, setCurrent

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

- Constructor Detail
  - AbstractServiceProvider
```
public AbstractServiceProvider()
```
- Method Detail
  - getServices
```
protected <T> List<T> getServices(Class<T> serviceType)
```
    Loads and registers services.
    
    Type Parameters:
    
    T - the concrete type.
    
    Parameters:
    
    serviceType - The service type.
    
    Returns:
    
    the items found, never null.
  - getService
```
protected <T> T getService(Class<T> serviceType)
```
  - compareTo
```
public int compareTo(ServiceProvider o)
```
    Specified by:
    
    compareTo in interface Comparable<ServiceProvider>
  - getSystemOfUnitsService
```
public SystemOfUnitsService getSystemOfUnitsService()
```
    Specified by:
    
    getSystemOfUnitsService in class ServiceProvider
  - getFormatService
```
public FormatService getFormatService()
```
    Specified by:
    
    getFormatService in class ServiceProvider
  - getQuantityFactory
```
public final <Q extends Quantity<Q>> QuantityFactory<Q> getQuantityFactory(Class<Q> quantity)
```
    Return a factory for this quantity
    
    Specified by:
    
    getQuantityFactory in class ServiceProvider
    
    Parameters:
    
    quantity - the quantity type
    
    Returns:
    
    the QuantityFactory
    
    Throws:
    
    NullPointerException - if quantity is null
  - toString
```
public abstract String toString()
```
    Overrides:
    
    toString in class Object