info.informatica.net
Class PropertyDNSCache

java.lang.Object
  info.informatica.util.ObjectCache
      info.informatica.net.PropertyDNSCache

public final class PropertyDNSCache
extends ObjectCache

Properties-based DNS cache.

Do not use to cache a large amount of DNS entries.

Version:

1.06

Author:

amengual at informatica dot info

Field Summary

static String

DNS_CACHE_FILE

Constructor Summary

PropertyDNSCache()

Method Summary

void	close() Closes this cache.
void	init(Properties conf)
DatedContainer<String>	lookup(String ip)
String	lookupString(String ip)
void	put(String ip, DatedContainer<String> dc)
void	put(String ip, String name)
void	setExpireTime(long t) Sets the cache entry expire time.

Methods inherited from class java.lang.Object

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

Field Detail

DNS_CACHE_FILE

public static final String DNS_CACHE_FILE

See Also:

Constant Field Values

Constructor Detail

PropertyDNSCache

public PropertyDNSCache()

Method Detail

init

public void init(Properties conf)
          throws CacheException

Specified by:

init in class ObjectCache

Throws:

CacheException

setExpireTime

public void setExpireTime(long t)

Description copied from class: ObjectCache

Sets the cache entry expire time.

Specified by:

setExpireTime in class ObjectCache

Parameters:

t - the time in seconds.

lookupString

public String lookupString(String ip)

Specified by:

lookupString in class ObjectCache

lookup

public DatedContainer<String> lookup(String ip)

Specified by:

lookup in class ObjectCache

put

public void put(String ip,
                String name)

Specified by:

put in class ObjectCache

put

public void put(String ip,
                DatedContainer<String> dc)

Overrides:

put in class ObjectCache

close

public void close()
           throws CacheException

Description copied from class: ObjectCache

Closes this cache.

Specified by:

close in class ObjectCache

Throws:

CacheException - if a problem arose when attempting to close.