BasicHubService.ClientIdGenerator

java.lang.Object
- org.astrogrid.samp.hub.BasicHubService.ClientIdGenerator

Enclosing class:

BasicHubService
```
private static class BasicHubService.ClientIdGenerator
extends java.lang.Object
```
Generates client public IDs. These must be unique, but don't need to be hard to guess.

Field Summary

Fields
Modifier and Type Field Description

private java.util.Comparator comparator_

private int iseq_

private java.lang.String prefix_

Constructor Summary

Constructors
Constructor Description

ClientIdGenerator(java.lang.String prefix)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.Comparator`	`getComparator()`	Returns a comparator which will order the IDs generated by this object in generation sequence.
`private java.lang.Integer`	`getIndex(java.lang.String id)`	Returns an Integer giving the sequence index of the given id string.
`boolean`	`hasUsed(java.lang.String id)`	Indicates whether a given client ID has previously been dispensed by this object.
`java.lang.String`	`next()`	Returns the next unused id.

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

- Field Detail
  - iseq_
```
private int iseq_
```
  - prefix_
```
private final java.lang.String prefix_
```
  - comparator_
```
private final java.util.Comparator comparator_
```
- Constructor Detail
  - ClientIdGenerator
```
public ClientIdGenerator(java.lang.String prefix)
```
    Constructor.
    
    Parameters:
    
    prefix - prefix for all generated ids
- Method Detail
  - next
```
public java.lang.String next()
```
    Returns the next unused id.
    
    Returns:
    
    next id
  - hasUsed
```
public boolean hasUsed(java.lang.String id)
```
    Indicates whether a given client ID has previously been dispensed by this object.
    
    Parameters:
    
    id - id to test
    
    Returns:
    
    true iff id has been returned by a previous call of next
  - getIndex
```
private java.lang.Integer getIndex(java.lang.String id)
```
    Returns an Integer giving the sequence index of the given id string. If id does not look like a string generated by this object, null is returned.
    
    Parameters:
    
    id - identifier to test
    
    Returns:
    
    object containing sequence index of id, or null
  - getComparator
```
public java.util.Comparator getComparator()
```
    Returns a comparator which will order the IDs generated by this object in generation sequence.
    
    Returns:
    
    id comparator