AbstractValueSetSupplier (EU Digital Covid Certificate - DCC Schema - 1.0.2)

java.lang.Object
- se.digg.dgc.valueset.v1.AbstractValueSetSupplier<T>

Type Parameters:

T - the type of resource being handled

All Implemented Interfaces:

Supplier<ValueSet>

Direct Known Subclasses:

FilebasedValueSetSupplier
```
public abstract class AbstractValueSetSupplier<T>
extends Object
implements Supplier<ValueSet>
```
An abstract ValueSet Supplier that can be used for the ReloadableValueSet class.

Author:

Martin Lindström (martin@idsec.se), Henrik Bengtsson (extern.henrik.bengtsson@digg.se), Henric Norlander (extern.henric.norlander@digg.se)

Constructor Summary

Constructors
Constructor Description

AbstractValueSetSupplier(T resource, Duration refreshRate)
Constructor.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`ValueSet`	`get()`
`protected abstract String`	`getResourceString(T resource)`	Returns a string representation of the resource being handled.
`protected abstract ValueSet`	`getValueSet(T resource)`	Reads the value set from the resource.

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

- Constructor Detail
  - AbstractValueSetSupplier
```
public AbstractValueSetSupplier(T resource,
                                Duration refreshRate)
                         throws IOException
```
    Constructor.
    
    Parameters:
    
    resource - the resource holding the value set
    
    refreshRate - the refresh rate (how often should the file be re-read?)
    
    Throws:
    
    IOException - if the file can not be read or if the JSON can not be successfully parsed
- Method Detail
  - get
```
public final ValueSet get()
```
    Specified by:
    
    get in interface Supplier<T>
  - getValueSet
```
protected abstract ValueSet getValueSet(T resource)
                                 throws IOException
```
    Reads the value set from the resource.
    
    Returns:
    
    the value set
    
    Throws:
    
    IOException - for read errors
  - getResourceString
```
protected abstract String getResourceString(T resource)
```
    Returns a string representation of the resource being handled.
    
    Returns:
    
    the resource string