code: /**
   * Copyright 2012 Lezan Hawizy, David M. Jessop, Daniel Lowe and Peter Murray-Rust
   *
   * Licensed 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 uk.ac.cam.ch.wwmm.chemicaltagger;
  
  import java.util.List;
  
  import uk.ac.cam.ch.wwmm.oscar.document.Token;
  
  
  /*****************************************************
   * An interface for a tagger.
   * The tagger given a list of tokens should return a tag for each token
   * 
   * @author lh359
   *****************************************************/
  public interface Tagger {
  	
  
  	/*****************************************************
  	 * Runs the tagger against the tokens and returns the tags as a list
  	 * @param inputSentence
  	 * @param tokenList (List<Token>)
  	 * @return posContainer (POSContainer) 
  	 *****************************************************/
  	public List<String> runTagger(List<Token> tokenList, String inputSentence);
  
  	public List<String> getIgnoredTags() ;
  }
  