/**
* License Agreement for OpenSearchServer
*
* Copyright (C) 2010-2015 Emmanuel Keller / Jaeksoft
*
* http://www.open-search-server.com
*
* This file is part of OpenSearchServer.
*
* OpenSearchServer is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenSearchServer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenSearchServer.
* If not, see <http://www.gnu.org/licenses/>.
**/
package com.jaeksoft.searchlib.result.collector;
import java.io.IOException;
import org.apache.commons.lang3.ArrayUtils;
import org.roaringbitmap.RoaringBitmap;
import it.unimi.dsi.fastutil.Swapper;
public class DocIdCollector implements DocIdInterface, Swapper {
private final int maxDoc;
private final int[] ids;
private int currentPos;
private RoaringBitmap bitSet;
private final int classType = getClass().hashCode();
public DocIdCollector(final int maxDoc, final int maxSize) {
this.maxDoc = maxDoc;
ids = new int[maxSize];
currentPos = 0;
bitSet = new RoaringBitmap();
}
private DocIdCollector(final DocIdCollector source) {
this.maxDoc = source.maxDoc;
this.ids = ArrayUtils.clone(source.ids);
this.currentPos = source.currentPos;
this.bitSet = source.bitSet.clone();
}
@Override
public final int getClassType() {
return classType;
}
@Override
final public CollectorInterface duplicate() {
return new DocIdCollector(this);
}
@Override
final public DocIdCollector duplicate(final AbstractBaseCollector<?> base) {
return new DocIdCollector(this);
}
final public void collectDoc(final int doc) throws IOException {
if (doc == -1)
return;
ids[currentPos++] = doc;
bitSet.add(doc);
}
@Override
final public void swap(final int a, final int b) {
int v1 = ids[a];
int v2 = ids[b];
ids[a] = v2;
ids[b] = v1;
}
@Override
final public void doSwap(final int a, final int b) {
swap(a, b);
}
@Override
final public int[] getIds() {
return ids;
}
@Override
final public int getSize() {
return currentPos;
}
@Override
final public RoaringBitmap getBitSet() {
return bitSet;
}
@Override
final public int getMaxDoc() {
return maxDoc;
}
@Override
public <T extends CollectorInterface> T getCollector(final Class<T> collectorType) {
return null;
}
@Override
public CollectorInterface getParent() {
return null;
}
}