discoveryservice.html

jxta的api库

<PRE>
public void <B>remotePublish</B>(java.lang.String&nbsp;peerid,
                          <A HREF="../../../net/jxta/document/Advertisement.html" title="class in net.jxta.document">Advertisement</A>&nbsp;adv,
                          int&nbsp;type)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Advertisement type is no longer required to remote publish an advertisement</I>
<P>
<DD>Remote Publish an advertisement will attempt to remote publish adv on all
  configured transports, the Advertisement will carry a lifetime of
  Expiration time, or lifetime whichever is smaller
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>peerid</CODE> - id of a peer, specifying null results in a propagate
      within the group<DD><CODE>type</CODE> - Discovery type PEER, GROUP, ADV<DD><CODE>adv</CODE> - advertisement to publish</DL>
</DD>
</DL>
<HR>

<A NAME="remotePublish(java.lang.String, net.jxta.document.Advertisement)"><!-- --></A><H3>
remotePublish</H3>
<PRE>
public void <B>remotePublish</B>(java.lang.String&nbsp;peerid,
                          <A HREF="../../../net/jxta/document/Advertisement.html" title="class in net.jxta.document">Advertisement</A>&nbsp;adv)</PRE>
<DL>
<DD>Remote Publish an advertisement will attempt to remote publish adv on all
  configured transports, the Advertisement will carry a lifetime of
  Expiration time, or lifetime whichever is smaller
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>peerid</CODE> - id of a peer, specifying null results in a propagate
      within the group<DD><CODE>adv</CODE> - advertisement to publish</DL>
</DD>
</DL>
<HR>

<A NAME="remotePublish(java.lang.String, net.jxta.document.Advertisement, int, long)"><!-- --></A><H3>
remotePublish</H3>
<PRE>
public void <B>remotePublish</B>(java.lang.String&nbsp;peerid,
                          <A HREF="../../../net/jxta/document/Advertisement.html" title="class in net.jxta.document">Advertisement</A>&nbsp;adv,
                          int&nbsp;type,
                          long&nbsp;lifetime)</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>Advertisement type is no longer required to remote publish an advertisement</I>
<P>
<DD>Remote Publish an advertisement will attempt to remote publish adv on all
  configured transports, the Advertisement will carry a a expiration of <i>
  lifetime</i>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>peerid</CODE> - id of a peer, specifying null results in a propagate
      within the group<DD><CODE>type</CODE> - Discovery type PEER, GROUP, ADV<DD><CODE>lifetime</CODE> - the amount of time to advise other nodes to hold this
      advertisement in their caches.<DD><CODE>adv</CODE> - advertisement to publish</DL>
</DD>
</DL>
<HR>

<A NAME="remotePublish(java.lang.String, net.jxta.document.Advertisement, long)"><!-- --></A><H3>
remotePublish</H3>
<PRE>
public void <B>remotePublish</B>(java.lang.String&nbsp;peerid,
                          <A HREF="../../../net/jxta/document/Advertisement.html" title="class in net.jxta.document">Advertisement</A>&nbsp;adv,
                          long&nbsp;lifetime)</PRE>
<DL>
<DD>Remote Publish an advertisement will attempt to remote publish adv on all
  configured transports, the Advertisement will carry a a expiration of <i>
  lifetime</i>
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>peerid</CODE> - id of a peer, specifying null results in a propagate
      within the group<DD><CODE>lifetime</CODE> - the amount of time to advise other nodes to hold this
      advertisement in their caches.<DD><CODE>adv</CODE> - advertisement to publish</DL>
</DD>
</DL>
<HR>

<A NAME="flushAdvertisement(net.jxta.document.Advertisement)"><!-- --></A><H3>
flushAdvertisement</H3>
<PRE>
public void <B>flushAdvertisement</B>(<A HREF="../../../net/jxta/document/Advertisement.html" title="class in net.jxta.document">Advertisement</A>&nbsp;adv)
                        throws java.io.IOException</PRE>
<DL>
<DD>flush a stored Advertisement
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>adv</CODE> - Advertisement to remove
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - - If an I/O error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="flushAdvertisements(java.lang.String, int)"><!-- --></A><H3>
flushAdvertisements</H3>
<PRE>
public void <B>flushAdvertisements</B>(java.lang.String&nbsp;id,
                                int&nbsp;type)
                         throws java.io.IOException</PRE>
<DL>
<DD>flushs stored Advertisement(s),
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>id</CODE> - Document ID, Peer ID, or PeerGroup ID
                         flushs all content of type "type"<DD><CODE>type</CODE> - Discovery type PEER, GROUP, ADV
<DT><B>Throws:</B>
<DD><CODE>java.io.IOException</CODE> - - If an I/O error occurs</DL>
</DD>
</DL>
<HR>

<A NAME="getAdvExpirationTime(net.jxta.id.ID, int)"><!-- --></A><H3>
getAdvExpirationTime</H3>
<PRE>
public long <B>getAdvExpirationTime</B>(<A HREF="../../../net/jxta/id/ID.html" title="class in net.jxta.id">ID</A>&nbsp;id,
                                 int&nbsp;type)</PRE>
<DL>
<DD>Returns the maximum duration in milliseconds for which this document
  should be cached by those other than the publisher. This value is either
  the cache lifetime or the remaining lifetime of the document, whichever
  is less.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>id</CODE> - Document ID, Peer ID, or PeerGroup ID<DD><CODE>type</CODE> - Discovery type PEER, GROUP, ADV
<DT><B>Returns:</B><DD>the relative time in milliseconds at which remote peers should
 refresh this document. -1 is returned if the file is not known or
  already expired</DL>
</DD>
</DL>
<HR>

<A NAME="getAdvLifeTime(net.jxta.id.ID, int)"><!-- --></A><H3>
getAdvLifeTime</H3>
<PRE>
public long <B>getAdvLifeTime</B>(<A HREF="../../../net/jxta/id/ID.html" title="class in net.jxta.id">ID</A>&nbsp;id,
                           int&nbsp;type)</PRE>
<DL>
<DD>Returns the maximum duration in milliseconds for which this document
  should be kept in local cache
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>id</CODE> - Document ID, Peer ID, or PeerGroup ID<DD><CODE>type</CODE> - Discovery type PEER, GROUP, ADV
<DT><B>Returns:</B><DD>the relative time in milliseconds at which remote peers should
 refresh this document. -1 is returned if the file is not known or
 already expired</DL>
</DD>
</DL>
<HR>

<A NAME="getAdvExpirationTime(net.jxta.document.Advertisement)"><!-- --></A><H3>
getAdvExpirationTime</H3>
<PRE>
public long <B>getAdvExpirationTime</B>(<A HREF="../../../net/jxta/document/Advertisement.html" title="class in net.jxta.document">Advertisement</A>&nbsp;adv)</PRE>
<DL>
<DD>Returns the maximum duration in milliseconds for which this document
  should be cached by those other than the publisher. This value is either
  the cache lifetime or the remaining lifetime of the document, whichever
  is less.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>adv</CODE> - Advertisement
<DT><B>Returns:</B><DD>the relative time in milliseconds at which remote peers should
 refresh this document. -1 is returned if the file is not known or
  already expired</DL>
</DD>
</DL>
<HR>

<A NAME="getAdvLifeTime(net.jxta.document.Advertisement)"><!-- --></A><H3>
getAdvLifeTime</H3>
<PRE>
public long <B>getAdvLifeTime</B>(<A HREF="../../../net/jxta/document/Advertisement.html" title="class in net.jxta.document">Advertisement</A>&nbsp;adv)</PRE>
<DL>
<DD>Returns the maximum duration in milliseconds for which this document
  should be kept in local cache
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>adv</CODE> - Advertisement
<DT><B>Returns:</B><DD>the relative time in milliseconds at which remote peers should
 refresh this document. -1 is returned if the file is not known or
 already expired</DL>
</DD>
</DL>
<HR>

<A NAME="addDiscoveryListener(net.jxta.discovery.DiscoveryListener)"><!-- --></A><H3>
addDiscoveryListener</H3>
<PRE>
public void <B>addDiscoveryListener</B>(<A HREF="../../../net/jxta/discovery/DiscoveryListener.html" title="interface in net.jxta.discovery">DiscoveryListener</A>&nbsp;listener)</PRE>
<DL>
<DD>register a discovery listener, to notified on discovery events
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The feature to be added to the DiscoveryListener attribute</DL>
</DD>
</DL>
<HR>

<A NAME="removeDiscoveryListener(net.jxta.discovery.DiscoveryListener)"><!-- --></A><H3>
removeDiscoveryListener</H3>
<PRE>
public boolean <B>removeDiscoveryListener</B>(<A HREF="../../../net/jxta/discovery/DiscoveryListener.html" title="interface in net.jxta.discovery">DiscoveryListener</A>&nbsp;listener)</PRE>
<DL>
<DD>remove a discovery listener
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - listener to be called back for discovery events
<DT><B>Returns:</B><DD>true if the argument was a component of this vector; false
      otherwise</DL>
</DD>
</DL>
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