org.xbill.DNS.ResolveThread Maven / Gradle / Ivy
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// Copyright (c) 1999-2004 Brian Wellington ([email protected])
package org.xbill.DNS;
/**
* A special-purpose thread used by Resolvers (both SimpleResolver and
* ExtendedResolver) to perform asynchronous queries.
*
* @author Brian Wellington
*/
class ResolveThread extends Thread {
private Message query;
private Object id;
private ResolverListener listener;
private Resolver res;
/** Creates a new ResolveThread */
public
ResolveThread(Resolver res, Message query, Object id,
ResolverListener listener)
{
this.res = res;
this.query = query;
this.id = id;
this.listener = listener;
}
/**
* Performs the query, and executes the callback.
*/
public void
run() {
try {
Message response = res.send(query);
listener.receiveMessage(id, response);
}
catch (Exception e) {
listener.handleException(id, e);
}
}
}