/*
* This file is part of the Heritrix web crawler (crawler.archive.org).
*
* Licensed to the Internet Archive (IA) by one or more individual
* contributors.
*
* The IA licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.archive.crawler.util;
import it.unimi.dsi.fastutil.longs.LongArrayList;
import it.unimi.dsi.fastutil.longs.LongIterator;
/**
* Crude all-in-memory FP-merging UriUniqFilter.
*
* @author gojomo
*/
public class MemFPMergeUriUniqFilter extends FPMergeUriUniqFilter {
protected LongArrayList allFps = new LongArrayList();
protected LongArrayList newFps;
/* (non-Javadoc)
* @see org.archive.crawler.util.FPMergeUriUniqFilter#beginFpMerge()
*/
protected LongIterator beginFpMerge() {
newFps = new LongArrayList((int) (allFps.size()+(pending()/2)));
return allFps.iterator();
}
/* (non-Javadoc)
* @see org.archive.crawler.util.FPMergeUriUniqFilter#addNewFp(java.lang.Long)
*/
protected void addNewFp(long currFp) {
newFps.add(currFp);
}
/* (non-Javadoc)
* @see org.archive.crawler.util.FPMergeUriUniqFilter#finishFpMerge()
*/
protected void finishFpMerge() {
allFps = newFps;
newFps = null;
}
/* (non-Javadoc)
* @see org.archive.crawler.datamodel.UriUniqFilter#count()
*/
public long count() {
return allFps.size();
}
}