/*******************************************************************************
* Copyright (c) 2009 Markus Alexander Kuppe.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Markus Alexander Kuppe (ecf-dev_eclipse.org <at> lemmster <dot> de) - initial API and implementation
******************************************************************************/
package org.eclipse.ecf.tests.provider.dnssd;
import org.eclipse.ecf.discovery.IServiceInfo;
import org.eclipse.ecf.discovery.identity.IServiceID;
import org.eclipse.ecf.tests.discovery.ServiceInfoComparator;
public class DnsSdDiscoveryComparator extends ServiceInfoComparator {
/* (non-Javadoc)
* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
*/
public int compare(Object arg0, Object arg1) {
if (arg0 instanceof IServiceInfo && arg1 instanceof IServiceInfo) {
final IServiceInfo first = (IServiceInfo) arg0;
final IServiceInfo second = (IServiceInfo) arg1;
final IServiceID firstServiceId = first.getServiceID();
final IServiceID secondServiceId = second.getServiceID();
boolean idsSame = firstServiceId.equals(secondServiceId);
boolean prioSame = first.getPriority() == second.getPriority();
boolean weightSame = first.getWeight() == second.getWeight();
boolean servicePropertiesSame = compareServiceProperties(first.getServiceProperties(), second.getServiceProperties());
boolean ttlSame = first.getTTL() <= second.getTTL(); // <= due to the fact that we might get a cache hit during testing which ttl has already decreased
final boolean result = (idsSame && prioSame && weightSame && servicePropertiesSame && ttlSame);
if (result == true) {
return 0;
}
}
return -1;
}
}