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Cooler error message for GradientDescentAlgorithm.

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This commit is contained in:
Marcel Kronfeld 2009-11-20 10:20:15 +00:00
parent 943dc67d3c
commit 77395aa7b8
3 changed files with 63 additions and 41 deletions
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67
src/eva2/gui/GenericObjectEditor.java
View File

@ -117,47 +117,36 @@ public class GenericObjectEditor implements PropertyEditor {
*/
public static ArrayList<String> getClassesFromClassPath(String className) {
ArrayList<String> classes = new ArrayList<String>();
int dotIndex = className.lastIndexOf('.');
if (dotIndex <= 0) {
System.err.println("warning: " + className + " is not a package!");
} else {
String pckg = className.substring(0, className.lastIndexOf('.'));
Class<?>[] clsArr;
try {
clsArr = ReflectPackage.getAssignableClassesInPackage(pckg, Class.forName(className), true, true);
} catch (ClassNotFoundException e) {
e.printStackTrace();
clsArr = null;
}
if (clsArr == null) {
System.err.println("Warning: No configuration property found in: "
+EvAInfo.propertyFile + " "+"for "+className);
classes.add(className);
} else {
for (Class<?> class1 : clsArr) {
int m = class1.getModifiers();
try {
// a field allowing a class to indicate it doesnt want to be displayed
Field f = class1.getDeclaredField("hideFromGOE");
if (f.getBoolean(class1) == true) {
if (TRACE) System.out.println("Class " + class1 + " wants to be hidden from GOE, skipping...");
continue;
}
} catch (Exception e) {
} catch (Error e) {
System.err.println("Error on checking fields of " + class1 + ": " + e);
Class<?>[] clsArr;
clsArr=ReflectPackage.getAssignableClasses(className, true, true);
if (clsArr == null) {
System.err.println("Warning: No assignable classes found in property file or on classpath: "
+EvAInfo.propertyFile + " for "+className);
classes.add(className);
} else {
for (Class<?> class1 : clsArr) {
int m = class1.getModifiers();
try {
// a field allowing a class to indicate it doesnt want to be displayed
Field f = class1.getDeclaredField("hideFromGOE");
if (f.getBoolean(class1) == true) {
if (TRACE) System.out.println("Class " + class1 + " wants to be hidden from GOE, skipping...");
continue;
}
// if (f)
if (!Modifier.isAbstract(m) && !class1.isInterface()) { // dont take abstract classes or interfaces
try {
Class<?>[] params = new Class[0];
class1.getConstructor(params);
classes.add(class1.getName());
} catch (NoSuchMethodException e) {
System.err.println("GOE warning: Class " + class1.getName() + " has no default constructor, skipping...");
}
} catch (Exception e) {
} catch (Error e) {
System.err.println("Error on checking fields of " + class1 + ": " + e);
continue;
}
// if (f)
if (!Modifier.isAbstract(m) && !class1.isInterface()) { // dont take abstract classes or interfaces
try {
Class<?>[] params = new Class[0];
class1.getConstructor(params);
classes.add(class1.getName());
} catch (NoSuchMethodException e) {
System.err.println("GOE warning: Class " + class1.getName() + " has no default constructor, skipping...");
}
}
}

7
src/eva2/server/go/strategies/GradientDescentAlgorithm.java
View File

@ -10,6 +10,7 @@ import eva2.server.go.problems.F1Problem;
import eva2.server.go.problems.InterfaceFirstOrderDerivableProblem;
import eva2.server.go.problems.InterfaceOptimizationProblem;
import eva2.tools.EVAERROR;
import eva2.tools.ReflectPackage;
/**
* A gradient descent algorithm by hannes planatscher don't expect any
@ -195,6 +196,12 @@ public class GradientDescentAlgorithm implements InterfaceOptimizer, java.io.Ser
else {
String msg="Warning, problem of type InterfaceFirstOrderDerivableProblem and template of type InterfaceDataTypeDouble is required for " + this.getClass();
EVAERROR.errorMsgOnce(msg);
Class<?>[] clsArr = ReflectPackage.getAssignableClasses("eva2.server.go.problems.InterfaceFirstOrderDerivableProblem", true, true);
msg=msg+" (available: ";
for (Class<?> cls: clsArr) {
msg=msg+" "+cls.getSimpleName();
}
msg=msg+")";
throw new RuntimeException(msg);
}
} // for loop population size

30
src/eva2/tools/ReflectPackage.java
View File

@ -365,17 +365,43 @@ public class ReflectPackage {
}
/**
* Retrieve assignable classes of the given package from classpath.
* Retrieve assignable classes of the given package from classpath given by package name and Class instance.
*
* @param pckg String denoting the package
* @param reqSuperCls
* @return
*/
public static Class[] getAssignableClassesInPackage(String pckg, Class reqSuperCls, boolean includeSubs, boolean bSort) {
public static Class<?>[] getAssignableClassesInPackage(String pckg, Class reqSuperCls, boolean includeSubs, boolean bSort) {
if (TRACE) System.out.println("requesting classes assignable from " + reqSuperCls.getName());
return getClassesInPackageFltr(new HashSet<Class>(), pckg, includeSubs, bSort, reqSuperCls);
}
/**
* Retrieve assignable classes of the given package from classpath given by full class and package String,
* such as eva2.server.go.problems.AbstractOptimizationProblem.
*
* @param pckg String denoting the package
* @param reqSuperCls
* @return
*/
public static Class<?>[] getAssignableClasses(String pckgClassName, boolean includeSubs, boolean bSort) {
int dotIndex = pckgClassName.lastIndexOf('.');
if (dotIndex <= 0) {
System.err.println("warning: " + pckgClassName + " is not a package!");
return null;
} else {
String pckg = pckgClassName.substring(0, pckgClassName.lastIndexOf('.'));
Class<?>[] clsArr;
try {
clsArr = ReflectPackage.getAssignableClassesInPackage(pckg, Class.forName(pckgClassName), includeSubs, bSort);
} catch (ClassNotFoundException e) {
e.printStackTrace();
clsArr = null;
}
return clsArr;
}
}
public static void main(String[] args) {
ClassLoader cld = Thread.currentThread().getContextClassLoader();
System.out.println("1: " + cld.getResource("/eva2/server"));