Lucene example source code file (RemoteSearchable.java)

This example Lucene source code file (RemoteSearchable.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Lucene tags/keywords

corruptindexexception, document, document, exception, file, filter, filter, io, ioexception, ioexception, remotesearchable, remotesearchable, rmi, rmiremotesearchable, searchable, string

The Lucene RemoteSearchable.java source code

package org.apache.lucene.search;

/**
 * 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.
 */

import org.apache.lucene.document.Document;
import org.apache.lucene.document.FieldSelector;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.store.FSDirectory;

import java.io.IOException;
import java.io.File;
import java.rmi.Naming;
import java.rmi.RMISecurityManager;
import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;

/**
 * A remote searchable implementation.
 *
 * @deprecated This package (all of contrib/remote) will be
 * removed in 4.0.
 */
@Deprecated
public class RemoteSearchable
  extends UnicastRemoteObject
  implements RMIRemoteSearchable {
  
  private Searchable local;
  
  /** Constructs and exports a remote searcher. */
  public RemoteSearchable(Searchable local) throws RemoteException {
    super();
    this.local = local;
  }
  public void search(Weight weight, Filter filter, Collector results)
  throws IOException {
    local.search(weight, filter, results);
  }

  public void close() throws IOException {
    local.close();
  }

  public int docFreq(Term term) throws IOException {
    return local.docFreq(term);
  }


  public int[] docFreqs(Term[] terms) throws IOException {
    return local.docFreqs(terms);
  }

  public int maxDoc() throws IOException {
    return local.maxDoc();
  }

  public TopDocs search(Weight weight, Filter filter, int n) throws IOException {
    return local.search(weight, filter, n);
  }
  
  public TopFieldDocs search(Weight weight, Filter filter, int n, Sort sort)
  throws IOException {
    return local.search (weight, filter, n, sort);
  }

  public Document doc(int i) throws CorruptIndexException, IOException {
    return local.doc(i);
  }

  public Document doc(int i, FieldSelector fieldSelector) throws CorruptIndexException, IOException {
	    return local.doc(i, fieldSelector);
  }
  
  public Query rewrite(Query original) throws IOException {
    return local.rewrite(original);
  }

  public Explanation explain(Weight weight, int doc) throws IOException {
    return local.explain(weight, doc);
  }

  /** Exports a searcher for the index in args[0] named
   * "//localhost/Searchable". */
  public static void main(String args[]) throws Exception {
    String indexName = null;
    
    if (args != null && args.length == 1)
      indexName = args[0];
    
    if (indexName == null) {
      System.out.println("Usage: org.apache.lucene.search.RemoteSearchable <index>");
      return;
    }
    
    // create and install a security manager
    if (System.getSecurityManager() == null) {
      System.setSecurityManager(new RMISecurityManager());
    }
    
    Searchable local = new IndexSearcher(FSDirectory.open(new File(indexName)), true);
    RemoteSearchable impl = new RemoteSearchable(local);
      
    // bind the implementation to "Searchable"
    Naming.rebind("//localhost/Searchable", impl);
  }

}