Package com.realtime.crossfire.jxclient.metaserver

Class ServerCache

java.lang.Object

com.realtime.crossfire.jxclient.metaserver.ServerCache

public class ServerCache
extends Object

Maintains a set of known servers backed up in a file.

Field Summary

Fields

Modifier and Type	Field	Description
static final @NotNull CharSequence	DEFAULT_ENTRY_LOCALHOST	The default entry for the "localhost" server.

Constructor Summary

Constructors

Constructor	Description
ServerCache(@Nullable Path file)	Creates a new instance.

Method Summary

Modifier and Type	Method	Description
void	expire(long timestamp)	Expires entries older than a given timestamp from the cache.
@NotNull Map<String,MetaserverEntry>	getAll()	Returns all cached entries.
void	put(@NotNull MetaserverEntry metaserverEntry)	Adds an entry to the cache.
void	save()	Saves all entries to the backing file.

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_ENTRY_LOCALHOST

@NotNull
public static final @NotNull CharSequence DEFAULT_ENTRY_LOCALHOST

The default entry for the "localhost" server.

Constructor Details

ServerCache

public ServerCache(@Nullable
 @Nullable Path file)

Creates a new instance.

Parameters:

file - the backing file or null to not cache on disk

Method Details

put

public void put(@NotNull
 @NotNull MetaserverEntry metaserverEntry)

Adds an entry to the cache. Overwrites old entries for the same hostname.

Parameters:

metaserverEntry - the entry to add

expire

public void expire(long timestamp)

Expires entries older than a given timestamp from the cache.

Parameters:

timestamp - the timestamp

getAll

@NotNull
public @NotNull Map<String,MetaserverEntry> getAll()

Returns all cached entries. The returned set may be modified by the caller.

Returns:

the cached entries; maps key to metaserver entry

save

public void save()

Saves all entries to the backing file.