ch.ethz.iks.r_osgi.messages
Class LeaseUpdateMessage

java.lang.Object
  ch.ethz.iks.r_osgi.messages.RemoteOSGiMessage
      ch.ethz.iks.r_osgi.messages.LeaseUpdateMessage

public final class LeaseUpdateMessage
extends RemoteOSGiMessage

Lease update message. Sent whenever the information expressed in the original lease message has changed. This can be that either a service has been added/modified/removed, or that the topic space has changed.

Author:

Jan S. Rellermeyer, ETH Zurich

Field Summary

static short	SERVICE_ADDED a service has been added.
static short	SERVICE_MODIFIED a service has been modified.
static short	SERVICE_REMOVED a service has been removed.
static short	TOPIC_UPDATE the update is a topic update.

Fields inherited from class ch.ethz.iks.r_osgi.messages.RemoteOSGiMessage

DELIVER_BUNDLE, DELIVER_SERVICE, FETCH_SERVICE, INVOKE_METHOD, LEASE, LEASE_UPDATE, METHOD_RESULT, REMOTE_EVENT, STREAM_REQUEST, STREAM_RESULT, TIME_OFFSET, xid

Constructor Summary

LeaseUpdateMessage()
creates a new LeaseUpdateMessage for topic updates.

Method Summary

Object[]	getPayload() get the payload of the message.
String	getServiceID() get the service ID.
short	getType() get the type of the message.
void	setPayload(Object[] payload) set the payload of the message.
void	setServiceID(String serviceID) set the service ID.
void	setType(short type) set the type of the message.
String	toString() String representation for debug outputs.
void	writeBody(ObjectOutputStream out) write the body of the message to a stream.

Methods inherited from class ch.ethz.iks.r_osgi.messages.RemoteOSGiMessage

getFuncID, getXID, parse, readBytes, readStringArray, send, setXID, writeBytes, writeStringArray

Methods inherited from class java.lang.Object

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

Field Detail

TOPIC_UPDATE

public static final short TOPIC_UPDATE

the update is a topic update.

See Also:

Constant Field Values

SERVICE_ADDED

public static final short SERVICE_ADDED

a service has been added.

See Also:

Constant Field Values

SERVICE_MODIFIED

public static final short SERVICE_MODIFIED

a service has been modified.

See Also:

Constant Field Values

SERVICE_REMOVED

public static final short SERVICE_REMOVED

a service has been removed.

See Also:

Constant Field Values

Constructor Detail

LeaseUpdateMessage

public LeaseUpdateMessage()

creates a new LeaseUpdateMessage for topic updates.

Method Detail

writeBody

public void writeBody(ObjectOutputStream out)
               throws IOException

write the body of the message to a stream.

Specified by:

writeBody in class RemoteOSGiMessage

Parameters:

out - the ObjectOutputStream.

Throws:

IOException - in case of IO failures.

See Also:

ch.ethz.iks.r_osgi.messages.RemoteOSGiMessage#getBody()

getType

public short getType()

get the type of the message.

Returns:

the type.

setType

public void setType(short type)

set the type of the message.

Parameters:

type - the type.

getServiceID

public String getServiceID()

get the service ID.

Returns:

the service ID.

setServiceID

public void setServiceID(String serviceID)

set the service ID.

Parameters:

serviceID - the service ID.

getPayload

public Object[] getPayload()

get the payload of the message.

Returns:

the payload.

setPayload

public void setPayload(Object[] payload)

set the payload of the message.

Parameters:

payload - the payload.

toString

public String toString()

String representation for debug outputs.

Overrides:

toString in class Object

Returns:

a string representation.

See Also:

Object.toString()