/****************************************************************************** * $Id: multireadtest.java 722615ce67507f9d5f09a5351aff143dafc1a85e 2016-01-08 21:22:17Z Kurt Schwehr $ * * Name: multireadtest.java * Project: GDAL Java Interface * Purpose: A sample app to stress-test thread-safety * Author: Even Rouault, * ****************************************************************************** * Copyright (c) 2013, Even Rouault * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. *****************************************************************************/ import org.gdal.gdal.gdal; import org.gdal.gdal.Dataset; public class multireadtest implements Runnable { private String _filename; public multireadtest(String filename) { _filename = filename; } public void run() { for(int i=0;i<100;i++) { Dataset ds = gdal.Open(_filename); ds.GetRasterBand(1).Checksum(); //ds.delete(); } } public static void main(String[] args) throws InterruptedException { String filename = args[0]; gdal.AllRegister(); Thread t[] = new Thread[4]; for(int i=0;i<4;i++) { t[i] = new Thread(new multireadtest(filename)); t[i].start(); } for(int i=0;i<4;i++) { t[i].join(); } //gdal.GDALDestroyDriverManager(); } }