com.browseengine.bobo.util.DocIdSetUtil Maven / Gradle / Ivy
/**
* This software is licensed to you under the Apache License, Version 2.0 (the
* "Apache License").
*
* LinkedIn's contributions are made under the Apache License. If you contribute
* to the Software, the contributions will be deemed to have been made under the
* Apache License, unless you expressly indicate otherwise. Please do not make any
* contributions that would be inconsistent with the Apache License.
*
* You may obtain a copy of the Apache License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, this software
* distributed under the Apache License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Apache
* License for the specific language governing permissions and limitations for the
* software governed under the Apache License.
*
* © 2012 LinkedIn Corp. All Rights Reserved.
*/
package com.browseengine.bobo.util;
import java.io.IOException;
import org.apache.lucene.search.DocIdSet;
import org.apache.lucene.search.DocIdSetIterator;
public class DocIdSetUtil
{
private DocIdSetUtil(){}
public static String toString(DocIdSet docIdSet) throws IOException
{
DocIdSetIterator iter = docIdSet.iterator();
StringBuffer buf = new StringBuffer();
boolean firstTime = true;
buf.append("[");
int docid;
while((docid=iter.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS)
{
if (firstTime)
{
firstTime = false;
}
else
{
buf.append(",");
}
buf.append(docid);
}
buf.append("]");
return buf.toString();
}
}