org.esa.beam.framework.gpf.internal
Class OperatorSpiRegistryImpl

java.lang.Object
  org.esa.beam.framework.gpf.internal.OperatorSpiRegistryImpl

All Implemented Interfaces:

OperatorSpiRegistry

public class OperatorSpiRegistryImpl
extends Object
implements OperatorSpiRegistry

A registry for operator SPI instances.

Since:

4.1

Author:

Norman Fomferra, Marco Zühlke

Constructor Summary

OperatorSpiRegistryImpl()
The provate singleton constructor.

Method Summary

boolean	addOperatorSpi(OperatorSpi operatorSpi) Adds the given operatorSpi to this registry.
OperatorSpi	getOperatorSpi(String operatorName) Gets a registrered operator SPI.
com.bc.ceres.core.ServiceRegistry<OperatorSpi>	getServiceRegistry() Gets the ServiceRegistry
void	loadOperatorSpis() Loads the SPI's defined in META-INF/services.
boolean	removeOperatorSpi(OperatorSpi operatorSpi) Removes the given operatorSpi this registry.
void	setAlias(String aliasName, String spiClassName) Sets an alias for the given SPI class name.

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorSpiRegistryImpl

public OperatorSpiRegistryImpl()

The provate singleton constructor.

Method Detail

loadOperatorSpis

public void loadOperatorSpis()

Loads the SPI's defined in META-INF/services.

Specified by:

loadOperatorSpis in interface OperatorSpiRegistry

getServiceRegistry

public com.bc.ceres.core.ServiceRegistry<OperatorSpi> getServiceRegistry()

Gets the ServiceRegistry

Specified by:

getServiceRegistry in interface OperatorSpiRegistry

Returns:

the service registry

getOperatorSpi

public OperatorSpi getOperatorSpi(String operatorName)

Gets a registrered operator SPI. The given operatorName can be either the fully qualified class name of the OperatorSpi or an alias name.

Specified by:

getOperatorSpi in interface OperatorSpiRegistry

Parameters:

operatorName - A name identifying the operator SPI.

Returns:

the operator SPI, or null

addOperatorSpi

public boolean addOperatorSpi(OperatorSpi operatorSpi)

Adds the given operatorSpi to this registry.

Specified by:

addOperatorSpi in interface OperatorSpiRegistry

Parameters:

operatorSpi - the SPI to add

Returns:

true, if the OperatorSpi could be succesfully added, otherwise false

removeOperatorSpi

public boolean removeOperatorSpi(OperatorSpi operatorSpi)

Removes the given operatorSpi this registry.

Specified by:

removeOperatorSpi in interface OperatorSpiRegistry

Parameters:

operatorSpi - the SPI to remove

Returns:

true, if the SPI could be removed, otherwise false

setAlias

public void setAlias(String aliasName,
                     String spiClassName)

Sets an alias for the given SPI class name.

Specified by:

setAlias in interface OperatorSpiRegistry

Parameters:

aliasName - the alias

spiClassName - the name of the SPI class