code: package it.unibz.inf.data_pumper.utils;
  
  /*
   * #%L
   * dataPumper
   * %%
   * Copyright (C) 2014 Free University of Bozen-Bolzano
   * %%
   * 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.
   * #L%
   */
  
  import java.util.HashMap;
  import java.util.Map;
  
  public class ExecutionStatisticsProfiler {
      private static Map<String, Integer> mIntegerStats = new HashMap<String, Integer>();
      private static Map<String, Float> mFloatStats = new HashMap<String, Float>();
      private static Map<String, Long> mTimeStats = new HashMap<String, Long>();
  
      public static void addTime(String key, long increment){
  	if( mTimeStats.containsKey(key) ){
  	    long temp = mTimeStats.get(key);
  	    temp += increment;
  	    mTimeStats.put(key, temp);
  	}
  	else
  	    mTimeStats.put(key, increment);
      }
  
      public static void setInt(String key, int value){
  	mIntegerStats.put(key, value);
      }
  
      public static void setFloat(String key, float value){
  	mFloatStats.put(key, value);
      }
  
      public static void addInt(String key, int increment){
  	if( mIntegerStats.containsKey(key) ){
  	    int temp = mIntegerStats.get(key);
  	    temp += increment;
  	    mIntegerStats.put(key, temp);
  	}
  	else
  	    mIntegerStats.put(key, increment);
      }
  
      public static void addFloat(String key, float increment){
  	if( mFloatStats.containsKey(key) ){
  	    float temp = mFloatStats.get(key);
  	    temp += increment;
  	    mFloatStats.put(key, temp);
  	}
  	else
  	    mFloatStats.put(key, increment);
      }
  
      public static float getFloatStat(String key){
  	return mFloatStats.get(key);
      }
  
      public static int getIntStat(String key){
  	return mIntegerStats.get(key);
      }
  
      public static String printStats(){
  
  	StringBuilder result = new StringBuilder();
  
  	result.append("\n\n=========== EXECUTION STATISTICS ============\n\n");
  
  	for( String key : mIntegerStats.keySet() ){
  	    result.append("[");
  	    result.append(key);
  	    result.append("] = ");
  	    result.append(mIntegerStats.get(key));
  	    result.append("\n");
  	}
  	for( String key : mFloatStats.keySet() ){
  	    result.append("[");
  	    result.append(key);
  	    result.append("] = ");
  	    result.append(mFloatStats.get(key));
  	    result.append("\n");
  	}
  	result.append("\n============== TIME STATISTICS ==============\n\n");
  	for( String key : mTimeStats.keySet() ){
  	    result.append("[");
  	    result.append(key);
  	    result.append("] = ");
  	    result.append(mTimeStats.get(key));
  	    result.append("\n");
  	}
  
  	return result.toString();
      }
  }
  