/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* <http://www.jxta.org/project/www/license.html> for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.impl.cm;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import net.jxta.document.Advertisement;
import net.jxta.document.MimeMediaType;
import net.jxta.document.StructuredDocument;
import net.jxta.protocol.SrdiMessage.Entry;
public class DeltaTracker {
private Map<String,List<Entry>> deltas = new HashMap<String, List<Entry>>();
private boolean trackingDeltas = false;
public void setTrackingDeltas(boolean trackDeltas) {
this.trackingDeltas = trackDeltas;
}
public boolean isTrackingDeltas() {
return trackingDeltas;
}
public void clearDeltas(String dn) {
deltas.remove(dn);
}
public List<Entry> getDeltas(String dn) {
List<Entry> currentDeltas = deltas.get(dn);
if(currentDeltas == null) {
currentDeltas = new ArrayList<Entry>(0);
}
clearDeltas(dn);
return currentDeltas;
}
public void generateDeltas(String dn, Advertisement adv, StructuredDocument<?> doc, long expiry) {
if(!trackingDeltas || expiry <= 0) {
return;
}
if(doc == null) {
doc = (StructuredDocument<?>)adv.getSignedDocument();
}
Map<String, String> indexFields = CacheUtils.getIndexfields(adv.getIndexFields(), doc);
List<Entry> deltasForDn = deltas.get(dn);
if(deltasForDn == null) {
deltasForDn = new LinkedList<Entry>();
}
for(String indexField : indexFields.keySet()) {
deltasForDn.add(new Entry(indexField, indexFields.get(indexField), expiry));
}
deltas.put(dn, deltasForDn);
}
}