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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.marmotta.platform.core.services.statistics.system;
 
 
 import java.util.List;
 import java.util.Map;

SystemStatisticsModule

Author(s):
Sebastian Schaffert
 
 public class SystemStatisticsModule implements StatisticsModule {


    
Return the display name of the statistics module.

Returns:
 
     @Override
     public String getName() {
         return "System Statistics";
     }
 
     /* (non-Javadoc)
       * @see kiwi.api.statistics.StatisticsModule#enable()
       */
 	public void enable() {
 		// do nothing, system statistics always enabled
 	}
 
 	/* (non-Javadoc)
 	 * @see kiwi.api.statistics.StatisticsModule#disable()
 	 */
 	public void disable() {
 		// do nothing, system statistics always enabled
 	}
 
 	
 	
 	/* (non-Javadoc)
 	 * @see kiwi.api.statistics.StatisticsModule#isEnabled()
 	 */
 	public boolean isEnabled() {
 		return true;
 	}
 
 	
 	
 	/* (non-Javadoc)
 	 * @see kiwi.api.statistics.StatisticsModule#getPropertyNames()
 	 */
 	public List<StringgetPropertyNames() {
 		List<Stringresult = new LinkedList<String>();
 		
 		result.add("java version");
 		result.add("java vendor");
 		result.add("operating system");
 		
 		result.add("free memory");
 		result.add("total memory");
 		result.add("max memory");
 		
 		return result;
 	}
 
 	/* (non-Javadoc)
 	 * @see kiwi.api.statistics.StatisticsModule#getStatistics()
 	 */
 	public Map<StringStringgetStatistics() {
 
 		
 		
		result.put("java version", System.getProperty("java.version"));
		result.put("java vendor", System.getProperty("java.vendor"));
		result.put("operating system", System.getProperty("os.name")+" ("+System.getProperty("os.version")+")");
		Runtime rt = Runtime.getRuntime();
		result.put("free memory",""+rt.freeMemory()/(1024*1024)+"MB");
		result.put("total memory",""+rt.totalMemory()/(1024*1024)+"MB");
		result.put("max memory",""+rt.maxMemory()/(1024*1024)+"MB");
		return result;
	}
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