RemoveThreadNameNumericalSuffix.java

/*
       This file is part of mjprof.

        mjprof is free software: you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation, either version 3 of the License, or
        (at your option) any later version.

        mjprof is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.

        You should have received a copy of the GNU General Public License
        along with mjprof.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.performizeit.mjprof.plugins.mappers.singlethread;


import com.performizeit.mjprof.api.Plugin;
import com.performizeit.mjprof.parser.ThreadInfo;

import static com.performizeit.mjprof.parser.ThreadInfoProps.*;

@Plugin(name = "-namesuffix", params = {},
  description = "Trim the last number from thread names helps grouping thread pool threads together")
public class RemoveThreadNameNumericalSuffix extends SingleThreadMapperBase {
  public RemoveThreadNameNumericalSuffix() {
  }

  @Override
  public ThreadInfo map(ThreadInfo stck) {
    String tName = (String) stck.getVal(NAME);
    int idx = tName.length() - 1;
    for (; ; idx--) {
      Character c = tName.charAt(idx);
      if (!Character.isDigit(c)) break;
    }
    tName = tName.substring(0, idx + 1);
    stck.setVal(NAME, tName);
    return stck;
  }
}