How to get all slave nodes running in Hadoop cluster and resource available on it using Java Code -


i searching way find slave nodes available in hadoop cluster not succeeded. tried is, wrote java code read slaves file present below path 

*$hadoop_home/etc/hadoop/slaves* (am using hadoop-2.2.0),

using simple java code:

bufferedreader br = null;          try {              string slavenode="";              br = new bufferedreader(new filereader("/usr/local/hadoop/etc/hadoop/slaves"));              while ((slavenode = br.readline()) != null) {                 system.out.println(slavenode);             }          } catch (ioexception e) {             e.printstacktrace();         } {             try {                 if (br != null)br.close();             } catch (ioexception ex) {                 ex.printstacktrace();             }         }

but need method can slave nodes present , resource available on it.please me here..


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