Units of Measurement Reference Implementation 2.2.2 · tech.units.indriya.spi.AbstractServiceProvider

Modifier and Type	Field and Description
private final Map<Class<T>, QuantityFactory<Q extends Quantity<Q>>>	QUANTITY_FACTORIES
private static final Comparator<Object>	SERVICE_COMPARATOR
private final Map<Class<T>, List<Object>>	servicesLoaded List of services loaded, per class.

Access	Constructor and Description
public	AbstractServiceProvider()

Method Summary

Modifier and Type	Method and Description
private static int	compareServices(Object o1, Object o2)
public int	compareTo(ServiceProvider the object to be compared. o) Implements java.lang.Comparable.compareTo. Compares this object with the specified object for order.
public FormatService	getFormatService() Implements abstract javax.measure.spi.ServiceProvider.getFormatService. Returns the service to obtain `UnitFormat` and `QuantityFormat` or `null` if none.
public final <Q extends Quantity<Q>> QuantityFactory<Q>	Returns: the `QuantityFactory` getQuantityFactory(Class<Q> the quantity type quantity) Implements abstract javax.measure.spi.ServiceProvider.getQuantityFactory. Return a factory for this quantity
protected <T> T	getService(Class<T> serviceType)
protected < the concrete type. T> List<T>	Returns: the items found, never `null`. getServices(final Class<T> The service type. serviceType) Loads and registers services.
public SystemOfUnitsService	getSystemOfUnitsService() Implements abstract javax.measure.spi.ServiceProvider.getSystemOfUnitsService. Returns the service to obtain a `SystemOfUnits`, or `null` if none.
private < the concrete type. T> List<T>	Returns: the items found, never `null`. loadServices(final Class<T> The service type. serviceType) Loads and registers services.
public abstract String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.

Inherited from javax.measure.spi.ServiceProvider:: available current getPriority of setCurrent

QUANTITY_FACTORIES	back to summary
private final Map<Class<T>, QuantityFactory<Q extends Quantity<Q>>> QUANTITY_FACTORIES Annotations @SuppressWarnings:rawtypes

SERVICE_COMPARATOR	back to summary
private static final Comparator<Object> SERVICE_COMPARATOR

servicesLoaded	back to summary
private final Map<Class<T>, List<Object>> servicesLoaded List of services loaded, per class. Annotations @SuppressWarnings:rawtypes

AbstractServiceProvider	back to summary
public AbstractServiceProvider()

Method Detail

compareServices	back to summary
private static int compareServices(Object o1, Object o2)

compareTo back to summary

compareTo	back to summary
public int compareTo(ServiceProvider o) Implements java.lang.Comparable.compareTo. Doc from java.lang.Comparable.compareTo. Compares this object with the specified object for order. Returns a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object. The implementor must ensure `signum(x.compareTo(y)) == -signum(y.compareTo(x))` for all `x` and `y`. (This implies that `x.compareTo(y)` must throw an exception if and only if `y.compareTo(x)` throws an exception.) The implementor must also ensure that the relation is transitive: `(x.compareTo(y) > 0 && y.compareTo(z) > 0)` implies `x.compareTo(z) > 0`. Finally, the implementor must ensure that `x.compareTo(y)==0` implies that `signum(x.compareTo(z)) == signum(y.compareTo(z))`, for all `z`. Parameters o:ServiceProvider the object to be compared. Returns:int a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object. Annotations @Override

public int compareTo(ServiceProvider o)

Implements java.lang.Comparable.compareTo.

Doc from java.lang.Comparable.compareTo.

Compares this object with the specified object for order. Returns a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

The implementor must ensure signum(x.compareTo(y)) == -signum(y.compareTo(x)) for all x and y. (This implies that x.compareTo(y) must throw an exception if and only if y.compareTo(x) throws an exception.)

The implementor must also ensure that the relation is transitive: (x.compareTo(y) > 0 && y.compareTo(z) > 0) implies x.compareTo(z) > 0.

Finally, the implementor must ensure that x.compareTo(y)==0 implies that signum(x.compareTo(z)) == signum(y.compareTo(z)), for all z.

Parameters

o:ServiceProvider: the object to be compared.

Returns:int

a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

Annotations

@Override

getFormatService back to summary

getFormatService	back to summary
public FormatService getFormatService() Implements abstract javax.measure.spi.ServiceProvider.getFormatService. Doc from javax.measure.spi.ServiceProvider.getFormatService. Returns the service to obtain `UnitFormat` and `QuantityFormat` or `null` if none. Returns:FormatService the service to obtain a `UnitFormat` and `QuantityFormat`, or `null`. Annotations @Override

public FormatService getFormatService()

Implements abstract javax.measure.spi.ServiceProvider.getFormatService.

Doc from javax.measure.spi.ServiceProvider.getFormatService.

Returns the service to obtain UnitFormat and QuantityFormat or null if none.

Returns:FormatService

the service to obtain a UnitFormat and QuantityFormat, or null.

Annotations

@Override

getQuantityFactory back to summary

getQuantityFactory	back to summary
public final <Q extends Quantity<Q>> QuantityFactory<Q> getQuantityFactory(Class<Q> quantity) Implements abstract javax.measure.spi.ServiceProvider.getQuantityFactory. Return a factory for this quantity Parameters <Q> Doc from javax.measure.spi.ServiceProvider.getQuantityFactory. the type of the `Quantity` instances created by the factory quantity:Class<Q> the quantity type Returns:QuantityFactory<Q> the `QuantityFactory` Annotations @Override @SuppressWarnings:unchecked Exceptions NullPointerException: if quantity is `null`

public final <Q extends Quantity<Q>> QuantityFactory<Q> getQuantityFactory(Class<Q> quantity)

Implements abstract javax.measure.spi.ServiceProvider.getQuantityFactory.

Return a factory for this quantity

Parameters

<Q>: Doc from javax.measure.spi.ServiceProvider.getQuantityFactory. the type of the Quantity instances created by the factory
quantity:Class<Q>: the quantity type

Returns:QuantityFactory<Q>

the QuantityFactory

Annotations

@Override
@SuppressWarnings:unchecked

Exceptions

NullPointerException:: if quantity is null

getService	back to summary
protected <T> T getService(Class<T> serviceType)

getServices back to summary

getServices	back to summary
protected <T> List<T> getServices(final Class<T> serviceType) Loads and registers services. Parameters <T> the concrete type. serviceType:Class<T> The service type. Returns:List<T> the items found, never `null`.

protected <T> List<T> getServices(final Class<T> serviceType)

Loads and registers services.

Parameters

<T>: the concrete type.
serviceType:Class<T>: The service type.

Returns:List<T>

the items found, never null.

getSystemOfUnitsService back to summary

getSystemOfUnitsService	back to summary
public SystemOfUnitsService getSystemOfUnitsService() Implements abstract javax.measure.spi.ServiceProvider.getSystemOfUnitsService. Doc from javax.measure.spi.ServiceProvider.getSystemOfUnitsService. Returns the service to obtain a `SystemOfUnits`, or `null` if none. Returns:SystemOfUnitsService the service to obtain a `SystemOfUnits`, or `null`. Annotations @Override

public SystemOfUnitsService getSystemOfUnitsService()

Implements abstract javax.measure.spi.ServiceProvider.getSystemOfUnitsService.

Doc from javax.measure.spi.ServiceProvider.getSystemOfUnitsService.

Returns the service to obtain a SystemOfUnits, or null if none.

Returns:SystemOfUnitsService

the service to obtain a SystemOfUnits, or null.

Annotations

@Override

loadServices back to summary

loadServices	back to summary
private <T> List<T> loadServices(final Class<T> serviceType) Loads and registers services. Parameters <T> the concrete type. serviceType:Class<T> The service type. Returns:List<T> the items found, never `null`.

private <T> List<T> loadServices(final Class<T> serviceType)

Loads and registers services.

Parameters

<T>: the concrete type.
serviceType:Class<T>: The service type.

Returns:List<T>

the items found, never null.

toString back to summary

toString	back to summary
public abstract String toString() Overrides java.lang.Object.toString. Doc from java.lang.Object.toString. Returns a string representation of the object. Satisfying this method's contract implies a non-`null` result must be returned. Returns:String a string representation of the object Annotations @Override

public abstract String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

Returns:String

a string representation of the object

Annotations

@Override

public abstract Class AbstractServiceProvider

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