tec.uom.se.spi

Class DefaultServiceProvider

java.lang.Object

javax.measure.spi.ServiceProvider

tec.uom.se.spi.DefaultServiceProvider

All Implemented Interfaces:

java.lang.Comparable<javax.measure.spi.ServiceProvider>

public class DefaultServiceProvider
extends javax.measure.spi.ServiceProvider
implements java.lang.Comparable<javax.measure.spi.ServiceProvider>

This class extends the ServiceProvider class and hereby uses the JDK ServiceLoader to load the required services.

Version:

0.9

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Map<java.lang.Class,javax.measure.spi.QuantityFactory>	QUANTITY_FACTORIES
private static java.util.Comparator<java.lang.Object>	SERVICE_COMPARATOR
private java.util.Map<java.lang.Class,java.util.List<java.lang.Object>>	servicesLoaded List of services loaded, per class.

Constructor Summary

Constructors

Constructor and Description
DefaultServiceProvider()

Method Summary

Modifier and Type	Method and Description
(package private) static int	compareServices(java.lang.Object o1, java.lang.Object o2)
int	compareTo(javax.measure.spi.ServiceProvider o)
int	getPriority() Returns a priority value of 10.
<Q extends javax.measure.Quantity<Q>> javax.measure.spi.QuantityFactory<Q>	getQuantityFactory(java.lang.Class<Q> quantity) Return a factory for this quantity
protected <T> T	getService(java.lang.Class<T> serviceType)
protected <T> java.util.List<T>	getServices(java.lang.Class<T> serviceType) Loads and registers services.
javax.measure.spi.SystemOfUnitsService	getSystemOfUnitsService()
javax.measure.spi.UnitFormatService	getUnitFormatService()
private <T> java.util.List<T>	loadServices(java.lang.Class<T> serviceType) Loads and registers services.

Methods inherited from class javax.measure.spi.ServiceProvider

available, current, setCurrent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

servicesLoaded

private final java.util.Map<java.lang.Class,java.util.List<java.lang.Object>> servicesLoaded

List of services loaded, per class.

SERVICE_COMPARATOR

private static final java.util.Comparator<java.lang.Object> SERVICE_COMPARATOR

QUANTITY_FACTORIES

private final java.util.Map<java.lang.Class,javax.measure.spi.QuantityFactory> QUANTITY_FACTORIES

Constructor Detail

DefaultServiceProvider

public DefaultServiceProvider()

Method Detail

getPriority

public int getPriority()

Returns a priority value of 10.

Overrides:

getPriority in class javax.measure.spi.ServiceProvider

Returns:

10, overriding the default provider.

getServices

protected <T> java.util.List<T> getServices(java.lang.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(java.lang.Class<T> serviceType)

compareServices

static int compareServices(java.lang.Object o1,
                           java.lang.Object o2)

loadServices

private <T> java.util.List<T> loadServices(java.lang.Class<T> serviceType)

Loads and registers services.

Type Parameters:

T - the concrete type.

Parameters:

serviceType - The service type.

Returns:

the items found, never null.

compareTo

public int compareTo(javax.measure.spi.ServiceProvider o)

Specified by:

compareTo in interface java.lang.Comparable<javax.measure.spi.ServiceProvider>

getSystemOfUnitsService

public javax.measure.spi.SystemOfUnitsService getSystemOfUnitsService()

Specified by:

getSystemOfUnitsService in class javax.measure.spi.ServiceProvider

getUnitFormatService

public javax.measure.spi.UnitFormatService getUnitFormatService()

Specified by:

getUnitFormatService in class javax.measure.spi.ServiceProvider

getQuantityFactory

public final <Q extends javax.measure.Quantity<Q>> javax.measure.spi.QuantityFactory<Q> getQuantityFactory(java.lang.Class<Q> quantity)

Return a factory for this quantity

Specified by:

getQuantityFactory in class javax.measure.spi.ServiceProvider

Parameters:

quantity - the quantity type

Returns:

the QuantityFactory

Throws:

java.lang.NullPointerException