Merging mk rev 140:141 (preloader thread, InterfaceProblemDouble)

src/eva2/EvAInfo.java

@@ -5,7 +5,7 @@ package eva2;
  * 
  * --- Changelog
  * 2.029: Tuned the 2d-graphs which now paints quicker and changes size depending on the
- * 			surrounding plot window. 
+ * 			surrounding plot window. Added a preloader-thread to accelerate the GUI at starting time.
  * 2.028: Tuned the Population to sort only when necessary on calls to getBestN... Added StatisticsDummy.
  * 			Slightly tuned SimpleProblemWrapper to call initProblem of simple problems if available.
  * 2.027: Renamed SetData and SetDataLamarckian from individual datatype interfaces to SetGenotype and SetPhenotype.

src/eva2/client/ClassPreloader.java

@@ -0,0 +1,34 @@
+package eva2.client;
+
+import eva2.gui.GenericObjectEditor;
+
+/**
+ * This Runnable just requests a number of classes as does the GenericObjectEditor
+ * so that they are loaded into the system cache. It can be done at startup time and
+ * accelerates later reloading.
+ * 
+ * @author mkron
+ *
+ */
+public class ClassPreloader implements Runnable {
+	String[] clsNames = null;
+	private static boolean TRACE=false;
+	
+	public ClassPreloader(String ... strs) {
+		setClassNames(strs);
+	}
+	
+	private void setClassNames(String[] strs) {
+		clsNames = strs;
+	}
+
+	public void run() {
+		if (clsNames !=null) {
+			for (int i = 0; i < clsNames.length; i++) {
+				if (TRACE) System.out.println("Preloading " + clsNames[i]);
+				GenericObjectEditor.getClassesFromClassPath(clsNames[i]);
+			}
+		}
+	}
+
+}

src/eva2/client/EvAClient.java

@@ -150,7 +150,11 @@ public class EvAClient implements RemoteStateListener, Serializable {
 	public EvAClient(final String hostName) {
 		final SplashScreen fSplashScreen = new SplashScreen(EvAInfo.splashLocation);
 
-	    fSplashScreen.splash();
+		// preload some classes (into system cache) in a parallel thread
+		preloadClasses();
+
+		// activate the splash screen (show later using SwingUtilities)
+		fSplashScreen.splash();
 	    
 		currentModule = null;
 		
@@ -171,6 +175,11 @@ public class EvAClient implements RemoteStateListener, Serializable {
 		});
 	}
 	
+	private void preloadClasses() {
+		ClassPreloader cp = new ClassPreloader( "eva2.server.go.strategies.InterfaceOptimizer", "eva2.server.go.problems.InterfaceOptimizationProblem", "eva2.server.go.InterfaceTerminator");
+		new Thread(cp).start();
+	}
+	
 	/**
 	 *
 	 */
@@ -662,14 +671,10 @@ public class EvAClient implements RemoteStateListener, Serializable {
         temp.show();
 	}	
 	
-	
 	private void showNoHostFoundDialog() {
 		JOptionPane.showMessageDialog(m_Frame.getContentPane(), "No host with running EVASERVER found. Please start one or \nadd the correct address to the properties list.", EvAInfo.infoTitle, 1);
 	}
 
-	/**
-	 *
-	 */
 	private void selectAvailableHostToKill(String[] HostNames) {
 		if (TRACE) System.out.println("SelectAvailableHostToKill");
 		if (HostNames == null || HostNames.length == 0) {
@@ -686,9 +691,6 @@ public class EvAClient implements RemoteStateListener, Serializable {
 //		m_LogPanel.statusMessage("");
 	}
 
-	/**
-	 *
-	 */
 	private void selectAllAvailableHostToKill(String[] HostNames) {
 		System.out.println("SelectAllAvailableHostToKill");
 		if (HostNames == null || HostNames.length == 0) {
@@ -730,12 +732,6 @@ public class EvAClient implements RemoteStateListener, Serializable {
             SwingUtilities.invokeLater(doSetProgressBarValue);
         }
     }
-	
-//	
-//	public void test(Object o) {
-//		System.out.println("hello from EvAClient.test!");
-//		System.out.println("object gives " + o);
-//	}
 }
 
 final class SplashScreen extends Frame {

src/eva2/gui/GenericObjectEditor.java

@@ -504,6 +504,16 @@ public class GenericObjectEditor implements PropertyEditor {
 		}
 	}
 	
+	/**
+	 * Return the names of all classes in the same package that are assignable
+	 * from the named class, and that can be loaded through the classpath.
+	 * If a class has a declared field called "hideFromGOE" this method will skip it.
+	 * Abstract classes and interfaces will be skipped as well.
+	 * 
+	 * @see ReflectPackage.getAssignableClassesInPackage
+	 * @param className
+	 * @return
+	 */
 	public static ArrayList<String> getClassesFromClassPath(String className) { 
 		ArrayList<String> classes = new ArrayList<String>();
 		int dotIndex = className.lastIndexOf('.');
@@ -519,7 +529,7 @@ public class GenericObjectEditor implements PropertyEditor {
 				clsArr = null;
 			}
 			if (clsArr == null) {
-				System.out.println("Warning: No configuration property found in: "
+				System.err.println("Warning: No configuration property found in: "
 						+EvAInfo.propertyFile + " "+"for "+className);
 				classes.add(className);
 			} else {

src/eva2/server/go/problems/AbstractProblemDouble.java

@@ -8,7 +8,7 @@ import eva2.server.go.strategies.InterfaceOptimizer;
 import wsi.ra.math.RNG;
 import eva2.server.go.problems.Interface2DBorderProblem;
 
-public abstract class AbstractProblemDouble extends AbstractOptimizationProblem implements Interface2DBorderProblem {
+public abstract class AbstractProblemDouble extends AbstractOptimizationProblem implements InterfaceProblemDouble, Interface2DBorderProblem {
 	private double m_DefaultRange = 10;
 	private double m_Noise = 0;
 	
@@ -107,7 +107,7 @@ public abstract class AbstractProblemDouble extends AbstractOptimizationProblem
 	 * 
 	 * @return a range array
 	 */
-    protected double[][] makeRange() {
+    public double[][] makeRange() {
 	    double[][] range = new double[this.getProblemDimension()][2];
 	    for (int i = 0; i < range.length; i++) {
 	        range[i][0] = getRangeLowerBound(i);
@@ -126,7 +126,7 @@ public abstract class AbstractProblemDouble extends AbstractOptimizationProblem
      * @return the lower bound of the double range in the given dimension
      */
     protected double getRangeLowerBound(int dim) {
-    	return -m_DefaultRange;
+    	return -getDefaultRange();
     }
     
     /**
@@ -139,7 +139,7 @@ public abstract class AbstractProblemDouble extends AbstractOptimizationProblem
      * @return the upper bound of the double range in the given dimension
      */
     protected double getRangeUpperBound(int dim) {
-    	return m_DefaultRange;
+    	return getDefaultRange();
     }
 
 	@Override
@@ -194,7 +194,7 @@ public abstract class AbstractProblemDouble extends AbstractOptimizationProblem
 	 * 
 	 * @return value of the absolute range limit
 	 */
-	public double getDefaultRange() {
+	protected double getDefaultRange() {
 		return m_DefaultRange;
 	}
 	/**

src/eva2/server/go/problems/F13Problem.java

@@ -25,7 +25,7 @@ public class F13Problem extends F1Problem implements InterfaceMultimodalProblem
         return (Object) new F13Problem(this);
     }
     
-    protected double[][] makeRange() {
+    public double[][] makeRange() {
 	    double[][] range = new double[this.m_ProblemDimension][2];
 	    for (int i = 0; i < range.length; i++) {
 	        range[i][0] = -512.03;

src/eva2/server/go/problems/InterfaceProblemDouble.java

@@ -0,0 +1,31 @@
+package eva2.server.go.problems;
+
+/**
+ * A minimal interface for double valued problems.
+ * 
+ * @author mkron
+ *
+ */
+public interface InterfaceProblemDouble {
+	/**
+	 * Evaluate a double vector, representing the target function.
+	 * 
+	 * @param x the vector to evaluate
+	 * @return	the target function value
+	 */
+	public double[] eval(double[] x);
+	
+	/**
+	 * Get the problem dimension.
+	 * 
+	 * @return the problem dimension
+	 */
+	public int getProblemDimension();
+	
+	/**
+	 * Create a new range array by using the getRangeLowerBound and getRangeUpperBound methods.
+	 * 
+	 * @return a range array
+	 */
+    public double[][] makeRange();
+}

src/eva2/server/go/problems/MatlabProblem.java

@@ -156,11 +156,11 @@ public class MatlabProblem extends AbstractProblemDouble implements InterfaceTex
 		return problemDimension;
 	}
 
-	public String problemDimensionTipTex() {
+	public String problemDimensionTipText() {
 		return "The dimension of the problem.";
 	}
 
-	protected double[][] makeRange() {
+	public double[][] makeRange() {
 		if (range==null) range=super.makeRange();
 		return range;
 	}