@@ -0,0 +1,3262 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one or more%0A * contributor license agreements.  See the NOTICE file distributed with%0A * this work for additional information regarding copyright ownership.%0A * The ASF licenses this file to You under the Apache License, Version 2.0%0A * (the %22License%22); you may not use this file except in compliance with%0A * the License.  You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0Apackage org.apache.lucene.search;%0A%0A%0Aimport java.io.IOException;%0Aimport java.util.Objects;%0A%0Aimport org.apache.lucene.index.DocValuesType;%0Aimport org.apache.lucene.index.FieldInfo;%0Aimport org.apache.lucene.index.FieldInfos;%0Aimport org.apache.lucene.index.LeafReader;%0Aimport org.apache.lucene.index.LeafReaderContext;%0A%0A/**%0A * A %7B@link Query%7D that matches documents that have a value for a given field%0A * as reported by doc values iterators.%0A */%0Apublic final class DocValuesFieldExistsQuery extends Query %7B%0A%0A  private final String field;%0A%0A  /** Create a query that will match that have a value for the given%0A   *  %7B@code field%7D. */%0A  public DocValuesFieldExistsQuery(String field) %7B%0A    this.field = Objects.requireNonNull(field);%0A  %7D%0A%0A  public String getField() %7B%0A    return field;%0A  %7D%0A%0A  @Override%0A  public boolean equals(Object other) %7B%0A    return sameClassAs(other) &&%0A           field.equals(((DocValuesFieldExistsQuery) other).field);%0A  %7D%0A%0A  @Override%0A  public int hashCode() %7B%0A    return 31 * classHash() + field.hashCode();%0A  %7D%0A%0A  @Override%0A  public String toString(String field) %7B%0A    return %22DocValuesFieldExistsQuery %5Bfield=%22 + this.field + %22%5D%22;%0A  %7D%0A%0A  @Override%0A  public Weight createWeight(IndexSearcher searcher, boolean needsScores, float boost) throws IOException %7B%0A    return new ConstantScoreWeight(this, boost) %7B%0A      @Override%0A      public Scorer scorer(LeafReaderContext context) throws IOException %7B%0A        FieldInfos fieldInfos = context.reader().getFieldInfos();%0A        FieldInfo fieldInfo = fieldInfos.fieldInfo(field);%0A        if (fieldInfo == null) %7B%0A          return null;%0A        %7D%0A        DocValuesType dvType = fieldInfo.getDocValuesType();%0A        LeafReader reader = context.reader();%0A        DocIdSetIterator iterator;%0A        switch(dvType) %7B%0A        case NONE:%0A          return null;%0A        case NUMERIC:%0A          iterator = reader.getNumericDocValues(field);%0A          break;%0A        case BINARY:%0A          iterator = reader.getBinaryDocValues(field);%0A          break;%0A        case SORTED:%0A          iterator = reader.getSortedDocValues(field);%0A          break;%0A        case SORTED_NUMERIC:%0A          iterator = reader.getSortedNumericDocValues(field);%0A          break;%0A        case SORTED_SET:%0A          iterator = reader.getSortedSetDocValues(field);%0A          break;%0A        default:%0A          throw new AssertionError();%0A        %7D%0A%0A        return new ConstantScoreScorer(this, score(), iterator);%0A      %7D%0A    %7D;%0A  %7D%0A%7D%0A

add missing file