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// $Id: MapThread.java 6896 2007-09-19 13:09:13Z tbonfort $
//
// See README_THREADTEST.TXT for usage details.
//
import edu.umn.gis.mapscript.*;
public class MapThread extends Thread {
MapThread(String mapfile, int iterations, int id) {
this.mapfile = mapfile;
this.iterations = iterations;
this.id=id;
}
public void run() {
System.out.println("Thread "+id+" running...");
/*
Uncomment this if you need to reschedule threads
if (id>=5) {
try {
sleep(10000);
} catch(InterruptedException ie) {
ie.printStackTrace();
}
}
*/
for( int i = 0; i < iterations; i++ ) {
mapObj map = new mapObj(mapfile);
long path=Math.round(Math.random()*10);
if ( path > 5 ) {
System.out.println("Thread "+id+"-"+i+" querying...");
query(map);
} else {
System.out.println("Thread "+id+"-"+i+" using geos to create a buffer...");
try {
createBuffer(map);
} catch(Exception e) {
System.out.println("have you enabled GEOS support? "+e.getMessage());
}
}
// We use this to test swig's memory management code
System.gc();
//map.draw().save("/tmp/mapthread"+id+"-"+i+".png", map);
map.draw();
}
mapscript.msConnPoolCloseUnreferenced();
System.out.println("Thread "+id+" done.");
}
public void createBuffer(mapObj map) {
layerObj layer = map.getLayer(3);
if (layer!=null) {
layer.open();
shapeObj shape=layer.getFeature(0,-1);
if (shape!=null) {
shapeObj buffer=shape.buffer(0.1);
if (buffer != null) {
layerObj bufferLayer=new layerObj(map);
bufferLayer.setStatus(mapscriptConstants.MS_DEFAULT);
bufferLayer.setDebug(mapscriptConstants.MS_ON);
bufferLayer.setName("BUFFER");
//bufferLayer.setType(mapscriptConstants.MS_LAYER_POLYGON);
bufferLayer.setProjection("init=epsg:4326");
bufferLayer.setType(MS_LAYER_TYPE.MS_LAYER_POINT);
bufferLayer.setOpacity(50);
classObj clazz=new classObj(bufferLayer);
clazz.setName("Buffer class");
styleObj style=new styleObj(clazz);
colorObj green=new colorObj(0,254,0,-4);
//green.setRGB(0,254,0);
style.setColor(green);
bufferLayer.addFeature(buffer);
} else {
System.out.println("Buffer shape is NULL!");
}
}
}
}
public void query(mapObj map) {
layerObj layer = map.getLayer(3);
if (layer!=null) {
layer.setTemplate("template.html");
String filter="A Point";
layer.queryByAttributes(map,"FNAME", filter, mapscriptConstants.MS_MULTIPLE);
layer.open();
System.out.println( " numresults: " +layer.getNumResults() );
layer.close();
}
}
String mapfile;
int iterations;
int id;
}
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