Package org.gcube.informationsystem.model.knowledge

Class UsageKnowledge<U>

java.lang.Object

org.gcube.informationsystem.model.knowledge.UsageKnowledge<U>

Type Parameters:

U - The type of a single usage occurrence.

public class UsageKnowledge<U>
extends Object

Tracks, per type name, the list of recorded usage occurrences of a given kind — e.g. which ConsistsOf/IsRelatedTo relations a type participates in, or which types embed a given generic property type.

Author:

Luca Frosini (ISTI - CNR)

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,List<U>>	map	The map of usages.

Constructor Summary

Constructors

Constructor	Description
UsageKnowledge(AccessType accessType)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
void	add(String typeName, U u)	Adds a usage for a type.
Set<String>	getTypeNames()	Returns the names of every type that has at least one recorded usage.
List<U>	getUsage(String typeName)	Returns the usages for a type.
void	remove(String typeName, U u)	Removes a previously recorded usage for a type, e.g. when a fallback usage is superseded by an authoritative one.

Methods inherited from class java.lang.Object

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

Field Details

map

protected Map<String,List<U>> map

The map of usages.

Constructor Details

UsageKnowledge

public UsageKnowledge(AccessType accessType)

Creates a new instance.

Parameters:

accessType - The access type.

Method Details

add

public void add(String typeName,
 U u)

Adds a usage for a type.

Parameters:

typeName - The type name.

u - The usage.

remove

public void remove(String typeName,
 U u)

Removes a previously recorded usage for a type, e.g. when a fallback usage is superseded by an authoritative one.

Parameters:

typeName - The type name.

u - The usage to remove.

getUsage

public List<U> getUsage(String typeName)

Returns the usages for a type.

Parameters:

typeName - The type name.

Returns:

The list of usages.

getTypeNames

public Set<String> getTypeNames()

Returns the names of every type that has at least one recorded usage.

Returns:

The set of type names with recorded usage.