How to use

isCompiled

method

in

it.geosolutions.jaiext.jiffle.Jiffle

private JiffleRuntime createRuntimeInstance(RuntimeModel model, Class<? extends JiffleRuntime> runtimeClass, boolean scriptInDocs) throws
  if (!isCompiled()) {
    throw new it.geosolutions.jaiext.jiffle.JiffleException("The script has not been compiled");

private JiffleRuntime createRuntimeInstance(RuntimeModel model, Class<? extends JiffleRuntime> runtimeClass, boolean scriptInDocs) throws
  if (!isCompiled()) {
    throw new it.geosolutions.jaiext.jiffle.JiffleException("The script has not been compiled");

@Test
public void fileWithParamsConstructor() throws Exception {
  System.out.println("   Jiffle(scriptFile, imageParams)");
  
  URL url = JiffleBasicTest.class.getResource("constant.jfl");
  File file = new File(url.toURI());
  
  imageParams.put("dest", Jiffle.ImageRole.DEST);
  jiffle = new Jiffle(file, imageParams);
  
  assertTrue(jiffle.isCompiled());
}

/**
 * Compiles a script read from a file and submits it for execution.
 * 
 * @param scriptFile file containing the Jiffle script
 * @throws Exception on an error in the Jiffle compiler
 */
public void compileAndRun(File scriptFile) throws Exception {
  Map<String, Jiffle.ImageRole> imageParams = new HashMap<>();
  imageParams.put("result", Jiffle.ImageRole.DEST);
  Jiffle jiffle = new Jiffle(scriptFile, imageParams);
  Map<String, RenderedImage> images = new HashMap<>();
  images.put("result",
      ImageUtilities.createConstantImage(WIDTH, HEIGHT, Double.valueOf(0d)));
  if (jiffle.isCompiled()) {
    JiffleDirectRuntime runtime = jiffle.getRuntimeInstance();
    final TiledImage destImg = ImageUtilities.createConstantImage(WIDTH, HEIGHT, 0d);
    runtime.setDestinationImage("result", destImg);
    
    runtime.evaluateAll(null);
    
    ImageFrame frame = new ImageFrame(destImg, "Jiffle image demo");
    frame.setVisible(true);
  }
}

@Test
public void scriptWithParamsConstructor() throws Exception {
  System.out.println("   Jiffle(script, imageParams)");
  
  String script = "dest = 42;";
  imageParams.put("dest", Jiffle.ImageRole.DEST);
  jiffle = new Jiffle(script, imageParams);
  
  assertTrue(jiffle.isCompiled());
}

@Test
public void compileValidScript() throws Exception {
  System.out.println("   compile valid script");
  
  String script = "dest = 42;";
  imageParams.put("dest", Jiffle.ImageRole.DEST);
  
  jiffle.setScript(script);
  jiffle.setImageParams(imageParams);
  jiffle.compile();
  
  assertTrue(jiffle.isCompiled());
}

@Test
public void compileInvalidScriptAndCheckStatus() throws Exception {
  System.out.println("   compile invalid script and check status");
  
  // script with an uninitialized variable
  String script = "dest = x;";
  imageParams.put("dest", Jiffle.ImageRole.DEST);
  
  jiffle.setScript(script);
  jiffle.setImageParams(imageParams);
  
  try {
    jiffle.compile();
  } catch (JiffleParserException ignored) {}
  
  assertFalse(jiffle.isCompiled());
}

@Test
public void blankInstance() {
  System.out.println("   creating an empty Jiffle object");
  
  assertEquals("", jiffle.getScript());
  assertTrue(jiffle.getImageParams().isEmpty());
  assertFalse(jiffle.isCompiled());
}