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net.jxta.impl.protocol
Class DiscoveryQuery  

java.lang.Object
  net.jxta.protocol.DiscoveryQueryMsg
      net.jxta.impl.protocol.DiscoveryQuery

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public class DiscoveryQuery

extends net.jxta.protocol.DiscoveryQueryMsg

Implements the Discovery Query Message according to the schema defined by the standard JXTA Peer Discovery Protocol (PDP).

 <xs:element name="DiscoveryQuery" type="jxta:DiscoveryQuery"/>

 <xsd:simpleType name="DiscoveryQueryType">
   <xsd:restriction base="xsd:string">
     <!-- peer -->
     <xsd:enumeration value="0"/>
     <!-- group -->
     <xsd:enumeration value="1"/>
     <!-- adv -->
     <xsd:enumeration value="2"/>
   </xsd:restriction>
 </xsd:simpleType>

 <xs:complexType name="DiscoveryQuery">
   <xs:sequence>
     <xs:element name="Type" type="jxta:DiscoveryQueryType"/>
     <xs:element name="Threshold" type="xs:unsignedInt" minOccurs="0"/>
     <xs:element name="Attr" type="xs:string" minOccurs="0"/>
     <xs:element name="Value" type="xs:string" minOccurs="0"/>
     <!-- The following should refer to a peer adv, but is instead a whole doc for historical reasons -->
     <xs:element name="PeerAdv" type="xs:string" minOccurs="0"/>
   </xs:sequence>
 </xs:complexType>
 

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Field Summary
private static org.apache.log4j.Logger	LOG
private static java.lang.String	peerAdvTag
private static java.lang.String	queryAttrTag
private static java.lang.String	queryValueTag
private static java.lang.String	thresholdTag
private static java.lang.String	typeTag

 

Fields inherited from class net.jxta.protocol.DiscoveryQueryMsg

 

Constructor Summary

DiscoveryQuery()           Default constructor

DiscoveryQuery(net.jxta.document.Element doc)           Construct from a StructuredDocument

 

Method Summary
net.jxta.document.Document	getDocument(net.jxta.document.MimeMediaType asMimeType)           null
protected  boolean	handleElement(net.jxta.document.Element raw)           Process an individual element from the document during parse.
protected  void	initialize(net.jxta.document.Element root)           Intialize a Discovery Query from a portion of a structured document.
java.lang.String	toString()           Deprecated. should not be used. use getDocument().toString() instead.

 

Methods inherited from class net.jxta.protocol.DiscoveryQueryMsg

getAdvertisementType, getAttr, getDiscoveryType, getPeerAdv, getPeerAdvertisement, getThreshold, getValue, setAttr, setDiscoveryType, setPeerAdv, setPeerAdvertisement, setThreshold, setValue

 

Methods inherited from class java.lang.Object

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

 

Field Detail

LOG

private static final org.apache.log4j.Logger LOG

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typeTag

private static final java.lang.String typeTag

See Also:

Constant Field Values

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peerAdvTag

private static final java.lang.String peerAdvTag

See Also:

Constant Field Values

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thresholdTag

private static final java.lang.String thresholdTag

See Also:

Constant Field Values

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queryAttrTag

private static final java.lang.String queryAttrTag

See Also:

Constant Field Values

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queryValueTag

private static final java.lang.String queryValueTag

See Also:

Constant Field Values

Constructor Detail

DiscoveryQuery

public DiscoveryQuery()

Default constructor

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DiscoveryQuery

public DiscoveryQuery(net.jxta.document.Element doc)

Construct from a StructuredDocument

Method Detail

handleElement

protected boolean handleElement(net.jxta.document.Element raw)

Process an individual element from the document during parse. Normally, implementations will allow the base advertisments a chance to handle the element before attempting ot handle the element themselves. ie.

  protected boolean handleElement(Element elem) {

      if (super.handleElement()) {
           // it's been handled.
           return true;
           }

      ... handle elements here ...

      // we don't know how to handle the element
      return false;
      }
  

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initialize

protected void initialize(net.jxta.document.Element root)

Intialize a Discovery Query from a portion of a structured document.

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getDocument

public net.jxta.document.Document getDocument(net.jxta.document.MimeMediaType asMimeType)

null

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toString

public java.lang.String toString()

Deprecated. should not be used. use getDocument().toString() instead.

return the string representaion of this doc

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