NegativeLookupCache (I2P Anonymous Network - Java Documentation - API Version 0.9.61)

java.lang.Object
- net.i2p.router.networkdb.kademlia.NegativeLookupCache

class NegativeLookupCache
extends Object

Track lookup fails

Since:: 0.9.4

Field Summary

Fields
Modifier and Type Field Description

(package private) static int MAX_FAILS

Constructor Summary

Constructors
Constructor Description

NegativeLookupCache(RouterContext context)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`cache(Hash h)`	Negative cache the hash until the next clean time.
`void`	`clear()`
`void`	`failPermanently(Destination dest)`	Negative cache the hash until restart, but cache the destination.
`Destination`	`getBadDest(Hash h)`	Get an unsupported but cached Destination
`boolean`	`isCached(Hash h)`
`void`	`lookupFailed(Hash h)`
`void`	`stop()`	Stops the timer.

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

- Field Detail
  - MAX_FAILS
```
static final int MAX_FAILS
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - NegativeLookupCache
```
public NegativeLookupCache(RouterContext context)
```
- Method Detail
  - lookupFailed
```
public void lookupFailed(Hash h)
```
  - cache
```
public void cache(Hash h)
```
    Negative cache the hash until the next clean time.
    
    Since:
    
    0.9.56
  - isCached
```
public boolean isCached(Hash h)
```
  - failPermanently
```
public void failPermanently(Destination dest)
```
    Negative cache the hash until restart, but cache the destination.
    
    Since:
    
    0.9.16
  - getBadDest
```
public Destination getBadDest(Hash h)
```
    Get an unsupported but cached Destination
    
    Returns:
    
    dest or null if not cached
    
    Since:
    
    0.9.16
  - clear
```
public void clear()
```
    Since:
    
    0.9.16
  - stop
```
public void stop()
```
    Stops the timer. May not be restarted.
    
    Since:
    
    0.9.61