content: /**
   * 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.update;
  
  import org.apache.lucene.index.IndexReader;
  
  /**
   * A merge indexes command encapsulated in an object.
   *
   * @since solr 1.4
   * @version $Id: MergeIndexesCommand.java 1137555 2011-06-20 09:13:47Z shalin $
   */
  public class MergeIndexesCommand extends UpdateCommand {
    public IndexReader[] readers;
  
    public MergeIndexesCommand(IndexReader[] readers) {
      super("mergeIndexes");
      this.readers = readers;
    }
  
    @Override
    public String toString() {
      StringBuilder sb = new StringBuilder(commandName);
      sb.append(':');
      if (readers != null && readers.length > 0) {
        sb.append(readers[0].directory());
        for (int i = 1; i < readers.length; i++) {
          sb.append(",").append(readers[i].directory());
        }
      }
      return sb.toString();
    }
  }
  