net.handle.hdllib
Class SiteInfo

java.lang.Object
  net.handle.hdllib.SiteInfo

public class SiteInfo
extends java.lang.Object

Field Summary

Attribute[]	attributes
int	dataFormatVersion
static byte	HASH_TYPE_BY_ALL
static byte	HASH_TYPE_BY_ID
static byte	HASH_TYPE_BY_NA
byte[]	hashFilter
byte	hashOption
boolean	isPrimary
boolean	isRoot
byte	majorProtocolVersion
byte	minorProtocolVersion
static short	MULTI_PRIMARY
boolean	multiPrimary
static short	PRIMARY_SITE
long	responseTime
int	serialNumber
ServerInfo[]	servers

Constructor Summary

SiteInfo()
Default constructor: object uninitialized except as above.

SiteInfo(int siteVersion, boolean isPrimary, boolean isMultiPrimary, byte hashingOption, java.lang.String siteDescription, java.net.InetAddress listenAddr, int port, int httpPort, java.io.File pubKeyFile, boolean disableUDP)
Constructor used by configuration routines.

Method Summary

ServerInfo	determineServer(byte[] handle) Return the ServerInfo that this handle hashes to
int	determineServerNum(byte[] handle) Shortcut to determineServerNum(handle, hashOption, numServers) using this.hashOption
static int	determineServerNum(byte[] handle, int hashOption, int numServers) Return the index of the server that this handle hashes to
byte[]	getAttribute(byte[] attribute) Get the value of the specified attribute for this site (if any).
static int	getHandleHash(byte[] handle, int hashOption) Return the positive integer generated by hashing the part of this handle indicated by hashOption.
static void	main(java.lang.String[] argv) Hash the given arguments as handles and display the results.
java.lang.String	toString() Return a string of labeled members of this object.

Methods inherited from class java.lang.Object

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

Field Detail

HASH_TYPE_BY_NA

public static final byte HASH_TYPE_BY_NA

See Also:

Constant Field Values

HASH_TYPE_BY_ID

public static final byte HASH_TYPE_BY_ID

See Also:

Constant Field Values

HASH_TYPE_BY_ALL

public static final byte HASH_TYPE_BY_ALL

See Also:

Constant Field Values

PRIMARY_SITE

public static final short PRIMARY_SITE

See Also:

Constant Field Values

MULTI_PRIMARY

public static final short MULTI_PRIMARY

See Also:

Constant Field Values

dataFormatVersion

public int dataFormatVersion

serialNumber

public int serialNumber

majorProtocolVersion

public byte majorProtocolVersion

minorProtocolVersion

public byte minorProtocolVersion

isPrimary

public boolean isPrimary

multiPrimary

public boolean multiPrimary

isRoot

public boolean isRoot

responseTime

public long responseTime

hashOption

public byte hashOption

hashFilter

public byte[] hashFilter

servers

public ServerInfo[] servers

attributes

public Attribute[] attributes

Constructor Detail

SiteInfo

public SiteInfo()

Default constructor: object uninitialized except as above.

SiteInfo

public SiteInfo(int siteVersion,
                boolean isPrimary,
                boolean isMultiPrimary,
                byte hashingOption,
                java.lang.String siteDescription,
                java.net.InetAddress listenAddr,
                int port,
                int httpPort,
                java.io.File pubKeyFile,
                boolean disableUDP)
         throws java.io.IOException

Constructor used by configuration routines.

Throws:

java.io.IOException

Method Detail

getAttribute

public byte[] getAttribute(byte[] attribute)

Get the value of the specified attribute for this site (if any).

getHandleHash

public static final int getHandleHash(byte[] handle,
                                      int hashOption)
                               throws HandleException

Return the positive integer generated by hashing the part of this handle indicated by hashOption.

Throws:

HandleException

determineServerNum

public final int determineServerNum(byte[] handle)
                             throws HandleException

Shortcut to determineServerNum(handle, hashOption, numServers) using this.hashOption

Throws:

HandleException

determineServerNum

public static final int determineServerNum(byte[] handle,
                                           int hashOption,
                                           int numServers)
                                    throws HandleException

Return the index of the server that this handle hashes to

Throws:

HandleException

determineServer

public ServerInfo determineServer(byte[] handle)
                           throws HandleException

Return the ServerInfo that this handle hashes to

Throws:

HandleException

toString

public java.lang.String toString()

Return a string of labeled members of this object.

Overrides:

toString in class java.lang.Object

main

public static final void main(java.lang.String[] argv)
                       throws java.lang.Exception

Hash the given arguments as handles and display the results.

Throws:

java.lang.Exception