solr/core/src/java/org/apache/solr/search/WrappedQuery.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.apache.solr.search;

import java.io.IOException;

import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.QueryVisitor;
import org.apache.lucene.search.ScoreMode;
import org.apache.lucene.search.Weight;

/** A simple query that wraps another query and implements ExtendedQuery. */
public final class WrappedQuery extends ExtendedQueryBase {
  private Query q;

  public WrappedQuery(Query q) {
    this.q = q;
  }

  public Query getWrappedQuery() {
    return q;
  }

  public void setWrappedQuery(Query q) {
    this.q = q;
  }

  @Override
  public Weight createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost) throws IOException {
    return q.createWeight(searcher, scoreMode, boost);
  }

  @Override
  public Query rewrite(IndexReader reader) throws IOException {
    // currently no need to continue wrapping at this point.
    return q.rewrite(reader);
  }

  @Override
  public void visit(QueryVisitor visitor) {
    q.visit(visitor);
  }

  @Override
  public int hashCode() {
    return q.hashCode();
  }

  @Override
  public boolean equals(Object obj) {
    if (obj instanceof WrappedQuery) {
      return this.q.equals(((WrappedQuery)obj).q);
    }
    return q.equals(obj);
  }

  @Override
  public String toString(String field) {
    return getOptions() + q.toString();
  }
}