code: /*******************************************************************************
   * Copyright 2014 uniVocity Software Pty Ltd
   *
   * 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 com.univocity.articles.csvcomparison.parser;
  
  import java.io.*;
  import java.nio.charset.*;
  import java.util.*;
  
  public abstract class AbstractParser {
  
  	private final String name;
  	private int rowCount;
  	private int blackhole; //something to keep values from processed objects to avoid unwanted JIT's dead code removal
  
  	protected AbstractParser(String name) {
  		this.name = name;
  	}
  
  	public final String getName() {
  		return name;
  	}
  
  	
  	protected boolean process(Object row) {
  		if(row == null){
  			return false;
  		}
  		blackhole +=  System.identityHashCode(row);
  		rowCount++;
  		return true;
  	}
  	
  	public void resetRowCount(){
  		rowCount = 0;
  	}
  
  	public int getRowCount() {
  		return rowCount;
  	}
  
  	public String getBlackhole(){
  		return String.valueOf(blackhole);
  	}
  
  	public abstract void processRows(Reader reader) throws Exception;
  
  	public abstract List<String[]> parseRows(Reader reader) throws Exception;
  
  }
  