org.jgroups.protocols.relay
Class CanBeSiteMaster

java.lang.Object
  org.jgroups.util.UUID
      org.jgroups.protocols.relay.CanBeSiteMaster

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Comparable<Address>, Address, Streamable

public class CanBeSiteMaster
extends UUID

Subclass of UUID which adds a boolean as payload. The boolean indicates whether the current address can ever become a site master, or not.

Author:

Bela Ban

See Also:

Serialized Form

Field Summary

protected boolean

can_become_site_master

Fields inherited from class org.jgroups.util.UUID

cache, leastSigBits, mostSigBits, numberGenerator, print_function, print_uuids, SIZE

Fields inherited from interface org.jgroups.Address

IP_ADDR, NULL, SITE_MASTER, SITE_UUID, UUID_ADDR

Constructor Summary

	CanBeSiteMaster()
protected	CanBeSiteMaster(byte[] data, boolean can_become_site_master)
protected	CanBeSiteMaster(UUID uuid, boolean can_become_site_master)

Method Summary

boolean	canBecomeSiteMaster()
protected static byte[]	generateRandomBytes()
static CanBeSiteMaster	randomUUID(boolean can_become_site_master)
static CanBeSiteMaster	randomUUID(java.lang.String logical_name, boolean can_become_site_master)
void	readExternal(java.io.ObjectInput in)
void	readFrom(java.io.DataInput in) Read the state of the current object (including superclasses) from instream Note that the input stream must not be closed
int	size() Returns serialized size of this address
java.lang.String	toString()
void	writeExternal(java.io.ObjectOutput out)
void	writeTo(java.io.DataOutput out) Write the entire state of the current object (including superclasses) to outstream.

Methods inherited from class org.jgroups.util.UUID

add, add, compareTo, copy, digits, equals, get, getContents, getLeastSignificantBits, getMostSignificantBits, hashCode, printCache, randomUUID, remove, removeAll, retainAll, toStringLong

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

can_become_site_master

protected boolean can_become_site_master

Constructor Detail

CanBeSiteMaster

public CanBeSiteMaster()

CanBeSiteMaster

protected CanBeSiteMaster(byte[] data,
                          boolean can_become_site_master)

CanBeSiteMaster

protected CanBeSiteMaster(UUID uuid,
                          boolean can_become_site_master)

Method Detail

randomUUID

public static CanBeSiteMaster randomUUID(boolean can_become_site_master)

randomUUID

public static CanBeSiteMaster randomUUID(java.lang.String logical_name,
                                         boolean can_become_site_master)

canBecomeSiteMaster

public boolean canBecomeSiteMaster()

generateRandomBytes

protected static byte[] generateRandomBytes()

size

public int size()

Description copied from interface: Address

Returns serialized size of this address

Specified by:

size in interface Address

Overrides:

size in class UUID

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Overrides:

readExternal in class UUID

Throws:

java.io.IOException

java.lang.ClassNotFoundException

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Overrides:

writeExternal in class UUID

Throws:

java.io.IOException

writeTo

public void writeTo(java.io.DataOutput out)
             throws java.lang.Exception

Description copied from interface: Streamable

Write the entire state of the current object (including superclasses) to outstream. Note that the output stream must not be closed

Specified by:

writeTo in interface Streamable

Overrides:

writeTo in class UUID

Throws:

java.lang.Exception

readFrom

public void readFrom(java.io.DataInput in)
              throws java.lang.Exception

Description copied from interface: Streamable

Read the state of the current object (including superclasses) from instream Note that the input stream must not be closed

Specified by:

readFrom in interface Streamable

Overrides:

readFrom in class UUID

Throws:

java.lang.Exception

toString

public java.lang.String toString()

Overrides:

toString in class UUID