Rice Pastry API

rice.p2p.commonapi
Interface Message

All Superinterfaces:
java.io.Serializable
All Known Subinterfaces:
RawMessage
All Known Implementing Classes:
AbstractSubscribeMessage, AggregationMessage, AggregationTimeoutMessage, AnycastMessage, BroadcastLeafSet, BroadcastRouteRow, CacheMessage, ConsistentJoinMsg, ContinuationMessage, DatagramMessage, DropMessage, FetchHandleMessage, FetchMessage, GCCollectMessage, GCInsertMessage, GCLookupHandlesMessage, GCRefreshMessage, GlacierDataMessage, GlacierFetchMessage, GlacierMessage, GlacierNeighborRequestMessage, GlacierNeighborResponseMessage, GlacierQueryMessage, GlacierRangeForwardMessage, GlacierRangeQueryMessage, GlacierRangeResponseMessage, GlacierRefreshCompleteMessage, GlacierRefreshPatchMessage, GlacierRefreshProbeMessage, GlacierRefreshResponseMessage, GlacierResponseMessage, GlacierSyncMessage, GlacierTimeoutMessage, HelloMsg, InitiateJoin, InitiateLeafSetMaintenance, InitiatePingNeighbor, InitiateRouteSetMaintenance, InsertMessage, IPAddressRequestMessage, IPAddressResponseMessage, JavaSerializedMessage, JoinRequest, LeafSetRequestMessage, LeafSetResponseMessage, LookupHandlesMessage, LookupMessage, MaintenanceMessage, Message, MessageLostMessage, MultiringRegrTest.MultiringTestMessage, MyMsg, MyMsg, MyMsg, MyMsg, MyMsg, MyMsg, MyMsg, NodeIdRequestMessage, NodeIdResponseMessage, PastMessage, PastryEndpointMessage, PingMessage, PingMessageNew, PingResponseMessage, PJavaSerializedMessage, PRawMessage, PublishMessage, PublishRequestMessage, ReminderMessage, ReminderMessage, ReplicationMessage, RequestLeafSet, RequestMessage, RequestRouteRow, ResponseMessage, RouteMessage, RouteRowRequestMessage, RouteRowResponseMessage, RoutesRequestMessage, RoutesResponseMessage, ScribeMessage, SocketMessage, SourceRoute, SubscribeAckMessage, SubscribeFailedMessage, SubscribeLostMessage, SubscribeMessage, TimeoutMessage, UnsubscribeMessage, WrongEpochMessage

public interface Message
extends java.io.Serializable

Version:
$Id: Message.java 3568 2007-01-25 17:20:07Z jeffh $
Author:
Alan Mislove, Peter Druschel

Field Summary
static int HIGH_PRIORITY
           
static int LOW_PRIORITY
           
static int LOWEST_PRIORITY
           
static int MAX_PRIORITY
           
static int MEDIUM_HIGH_PRIORITY
           
static int MEDIUM_LOW_PRIORITY
           
static int MEDIUM_PRIORITY
           
 
Method Summary
 int getPriority()
          Method which should return the priority level of this message.
 

Field Detail

MAX_PRIORITY

static final int MAX_PRIORITY
See Also:
Constant Field Values

HIGH_PRIORITY

static final int HIGH_PRIORITY
See Also:
Constant Field Values

MEDIUM_HIGH_PRIORITY

static final int MEDIUM_HIGH_PRIORITY
See Also:
Constant Field Values

MEDIUM_PRIORITY

static final int MEDIUM_PRIORITY
See Also:
Constant Field Values

MEDIUM_LOW_PRIORITY

static final int MEDIUM_LOW_PRIORITY
See Also:
Constant Field Values

LOW_PRIORITY

static final int LOW_PRIORITY
See Also:
Constant Field Values

LOWEST_PRIORITY

static final int LOWEST_PRIORITY
See Also:
Constant Field Values
Method Detail

getPriority

int getPriority()
Method which should return the priority level of this message. The messages can range in priority from -15 (highest priority) to 15 (lowest) - when sending messages across the wire, the queue is sorted by message priority. If the queue reaches its limit, the lowest priority messages are discarded. Thus, applications which are very verbose should have LOW_PRIORITY or lower, and applications which are somewhat quiet are allowed to have MEDIUM_PRIORITY or possibly even HIGH_PRIORITY.

Returns:
This message's priority

Rice Pastry API

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