Package de.iip_ecosphere.platform.services

Class AbstractArtifactDescriptor<S extends AbstractServiceDescriptor<?>>

java.lang.Object

de.iip_ecosphere.platform.services.AbstractArtifactDescriptor<S>

Type Parameters:

S - the service descriptor type

All Implemented Interfaces:

ArtifactDescriptor

public class AbstractArtifactDescriptor<S extends AbstractServiceDescriptor<?>>
extends Object
implements ArtifactDescriptor

Basic re-usable implementation of ArtifactDescriptor.

Author:

Holger Eichelberger, SSE

Field Summary

Fields

Modifier and Type	Field	Description
private String	id
private String	name
private Map<String,S>	servers
private Map<String,S>	services
private URI	uri
private int	usageCount

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractArtifactDescriptor(String id, String name, URI uri, List<S> services, List<S> servers)	Creates an artifact descriptor.

Method Summary

Modifier and Type	Method	Description
protected void	addService(S service)	Adds a service.
protected Map<String,S>	createMapping(List<S> services)	Creates a id-descriptor mapping for the given services.
int	decreaseUsageCount()	Decreases the usage count and returns the new count.
String	getId()	Returns the unique id of the artifact.
String	getName()	Returns the name of the artifact.
S	getServer(String serverId)	Returns a service descriptor for a server.
Collection<? extends S>	getServers()	Returns the server specifications as services provided by the artifact.
S	getService(String serviceId)	Returns a service descriptor.
Set<String>	getServiceIds()	Returns the ids of all services provided by the artifact.
Collection<? extends S>	getServices()	Returns the services provided by the artifact independent of their state.
URI	getUri()	Returns the canonical URI the artifact was loaded from.
int	getUsageCount()	Returns the usage count.
int	increaseUsageCount()	Increases the usage count and returns the new count.

Methods inherited from class java.lang.Object

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

Field Details

id

private String id

name

private String name

uri

private URI uri

usageCount

private int usageCount

services

private Map<String,S extends AbstractServiceDescriptor<?>> services

servers

private Map<String,S extends AbstractServiceDescriptor<?>> servers

Constructor Details

AbstractArtifactDescriptor

protected AbstractArtifactDescriptor(String id,
 String name,
 URI uri,
 List<S> services,
 List<S> servers)

Creates an artifact descriptor.

Parameters:

id - the artifact id

name - the (file) name

uri - the URI the artifact was loaded from

services - the contained services

servers - the container servers

Method Details

getUsageCount

public int getUsageCount()

Description copied from interface: ArtifactDescriptor

Returns the usage count.

Specified by:

getUsageCount in interface ArtifactDescriptor

Returns:

the usage count

increaseUsageCount

public int increaseUsageCount()

Description copied from interface: ArtifactDescriptor

Increases the usage count and returns the new count. Without calling this method, the usage count of this instance is initially 0.

Specified by:

increaseUsageCount in interface ArtifactDescriptor

Returns:

the new value,

decreaseUsageCount

public int decreaseUsageCount()

Description copied from interface: ArtifactDescriptor

Decreases the usage count and returns the new count.

Specified by:

decreaseUsageCount in interface ArtifactDescriptor

Returns:

the new value,

createMapping

protected Map<String,S> createMapping(List<S> services)

Creates a id-descriptor mapping for the given services.

Parameters:

services - the services

Returns:

the mapping

getId

public String getId()

Description copied from interface: ArtifactDescriptor

Returns the unique id of the artifact.

Specified by:

getId in interface ArtifactDescriptor

Returns:

the artifact id

getName

public String getName()

Description copied from interface: ArtifactDescriptor

Returns the name of the artifact.

Specified by:

getName in interface ArtifactDescriptor

Returns:

the name, may be the file name

getUri

public URI getUri()

Description copied from interface: ArtifactDescriptor

Returns the canonical URI the artifact was loaded from.

Specified by:

getUri in interface ArtifactDescriptor

Returns:

the canonical URI

getServiceIds

public Set<String> getServiceIds()

Description copied from interface: ArtifactDescriptor

Returns the ids of all services provided by the artifact.

Specified by:

getServiceIds in interface ArtifactDescriptor

Returns:

the ids

getServices

public Collection<? extends S> getServices()

Description copied from interface: ArtifactDescriptor

Returns the services provided by the artifact independent of their state.

Specified by:

getServices in interface ArtifactDescriptor

Returns:

the service descriptors

getServers

public Collection<? extends S> getServers()

Description copied from interface: ArtifactDescriptor

Returns the server specifications as services provided by the artifact.

Specified by:

getServers in interface ArtifactDescriptor

Returns:

the service descriptors

getService

public S getService(String serviceId)

Description copied from interface: ArtifactDescriptor

Returns a service descriptor.

Specified by:

getService in interface ArtifactDescriptor

Parameters:

serviceId - the id of the service

Returns:

the related service descriptor or null if the service is not provided by this artifact

getServer

public S getServer(String serverId)

Description copied from interface: ArtifactDescriptor

Returns a service descriptor for a server.

Specified by:

getServer in interface ArtifactDescriptor

Parameters:

serverId - the id of the server

Returns:

the related service descriptor or null if the server is not provided by this artifact

addService

protected void addService(S service)

Adds a service.

Parameters:

service - the service to be added