UsageKnowledge (Information System Model 7.2.0-SNAPSHOT API)

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

All Methods Instance Methods Concrete Methods
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.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - map
```
protected Map<String,List<U>> map
```
    The map of usages.
- Constructor Detail
  - UsageKnowledge
```
public UsageKnowledge(AccessType accessType)
```
    Creates a new instance.
    
    Parameters:
    
    accessType - The access type.
- Method Detail
  - 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    Removes a previously recorded usage for a type, e.g. when a fallback usage is superseded by an authoritative one.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.