org.piax.gtrans.ov.sg

クラス RQMessage<E extends Endpoint>

java.lang.Object

org.piax.gtrans.ov.sg.SGMessagingFramework.SGRequestMessage<E>

org.piax.gtrans.ov.sg.RQMessage<E>

すべての実装されたインタフェース:

Serializable

public class RQMessage<E extends Endpoint>
extends SGMessagingFramework.SGRequestMessage<E>

a class representing a message used for propagating range queries.

this class contains various data that are required to be transmitted to the target nodes. this class also contains failedLinks field, which represents a set of failed nodes that are found while processing the range query.

this class also manages (partial) results returned from child nodes ( rqRet).

作成者:

k-abe

関連項目:

直列化された形式

ネストされたクラスのサマリー

ネストされたクラス

修飾子とタイプ	クラスと説明
static class	RQMessage.RQReplyMessage<E extends Endpoint> a class representing a reply message against RQMessage, containing range query results.

フィールドのサマリー

フィールド

修飾子とタイプ	フィールドと説明
static boolean	TRACE true if you want to record all the intermediate nodes

メソッドのサマリー

修飾子とタイプ	メソッドと説明
void	execute(SkipGraph<E> sg) this method is called when this message is received at the receiver node.
RQMessage<E>	newChildInstance(Collection<Range<DdllKey>> newSubRange, String reason) create a child RQMessage from this instance.
RQMessage<E>	newInstanceSubrangesChanged(Collection<Range<DdllKey>> newSubRanges) create an instance of RQMessage whose subRange is replaced.
static <E extends Endpoint> RQMessage<E>	newRQMessage4Root(SGMessagingFramework<E> sgmf, Collection<Range<DdllKey>> subRanges, org.piax.gtrans.ov.sg.SkipGraph.QueryId qid, Object query, int expire, TransOptions opts)
boolean	onReceivingReply(SkipGraph<E> sg, SGMessagingFramework.SGReplyMessage<E> reply0) this method is called when a reply message is received at the sender node.
void	onTimeOut(SkipGraph<E> sg) this method is called when the ack for this message is timed out.
String	toString()

クラスから継承されたメソッド org.piax.gtrans.ov.sg.SGMessagingFramework.SGRequestMessage

isAckTimedOut, mayReceiveReply, prepareReceivingReply, send

クラスから継承されたメソッド java.lang.Object

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

フィールドの詳細

TRACE

public static final boolean TRACE

true if you want to record all the intermediate nodes

関連項目:

定数フィールド値

メソッドの詳細

newRQMessage4Root

public static <E extends Endpoint> RQMessage<E> newRQMessage4Root(SGMessagingFramework<E> sgmf,
                                                                  Collection<Range<DdllKey>> subRanges,
                                                                  org.piax.gtrans.ov.sg.SkipGraph.QueryId qid,
                                                                  Object query,
                                                                  int expire,
                                                                  TransOptions opts)

newInstanceSubrangesChanged

public RQMessage<E> newInstanceSubrangesChanged(Collection<Range<DdllKey>> newSubRanges)

create an instance of RQMessage whose subRange is replaced.

パラメータ:

newSubRanges - new subranges to be replaced to

戻り値:

an instance of RQMessage

newChildInstance

public RQMessage<E> newChildInstance(Collection<Range<DdllKey>> newSubRange,
                                     String reason)

create a child RQMessage from this instance.

this method is used at intermediate nodes.

パラメータ:

newSubRange - new subrange for the child RQMessage

reason - commentary string for debugging

戻り値:

a instance of child RQMessage

toString

public String toString()

オーバーライド:

toString クラス内 Object

execute

public void execute(SkipGraph<E> sg)

クラスからコピーされた説明: SGMessagingFramework.SGRequestMessage

this method is called when this message is received at the receiver node.

定義:

execute クラス内 SGMessagingFramework.SGRequestMessage<E extends Endpoint>

パラメータ:

sg - an instance of SkipGraph

onReceivingReply

public boolean onReceivingReply(SkipGraph<E> sg,
                                SGMessagingFramework.SGReplyMessage<E> reply0)

クラスからコピーされた説明: SGMessagingFramework.SGRequestMessage

this method is called when a reply message is received at the sender node.

定義:

onReceivingReply クラス内 SGMessagingFramework.SGRequestMessage<E extends Endpoint>

パラメータ:

sg - an instance of SkipGraph

reply0 - the reply message

戻り値:

true if this instance is no longer required at the sender node.

onTimeOut

public void onTimeOut(SkipGraph<E> sg)

クラスからコピーされた説明: SGMessagingFramework.SGRequestMessage

this method is called when the ack for this message is timed out.

定義:

onTimeOut クラス内 SGMessagingFramework.SGRequestMessage<E extends Endpoint>

パラメータ:

sg - an instance of SkipGraph