/**
* Initializes this mix according to the annotation.
*
* @param driverClass The driver class annotating this mix
* @param a The annotation
* @throws com.sun.faban.driver.DefinitionException If there is an error in the annotation
*/
public void init(Class<?> driverClass, Annotation a) throws DefinitionException {
com.sun.faban.driver.MatrixMix matrixMix = (com.sun.faban.driver.MatrixMix) a;
operations = BenchmarkDefinition.getOperations(driverClass, matrixMix.operations());
Row[] lines = matrixMix.mix();
mix = new double[lines.length][];
for (int i = 0; i < lines.length; i++) {
mix[i] = lines[i].value();
}
deviation = matrixMix.deviation();
validate();
}
/**
* The method postDeserialize re-establishes the non-serializable fields.
*
* @throws ClassNotFoundException
*/
public void postDeserialize() throws ClassNotFoundException {
if (instance == null) {
instance = this;
}
if (driverConfig.driverClass == null) {
try {
// first try the default class loader
ClassLoader cl = this.getClass().getClassLoader();
driverConfig.driverClass = cl.loadClass(driverConfig.className);
} catch (ClassNotFoundException cnfe) {
// do nothing, check defBytes
}
}
// If we couldn't load the class, driverClass is still null
// Try again, this time check defBytes
if (driverConfig.driverClass == null) {
String tempDir = System.getProperty("faban.tmpdir");
if (tempDir == null) {
tempDir = System.getProperty("java.io.tmpdir");
}
File classFileDir = new File(tempDir);
String classFileName =
new StringBuilder(tempDir).append(driverConfig.className).append(".class").toString();
FileOutputStream fos = null;
try {
File classFile = new File(classFileName);
fos = new FileOutputStream(classFile);
fos.write(this.defBytes);
fos.flush();
fos.close();
URL url[] = new URL[1];
url[0] = classFileDir.toURI().toURL();
URLClassLoader loader = new URLClassLoader(url, this.getClass().getClassLoader());
driverConfig.driverClass = loader.loadClass(driverConfig.className);
} catch (MalformedURLException ex) {
throw new ClassNotFoundException(ex.getMessage());
} catch (IOException ioex) {
throw new ClassNotFoundException(ioex.getMessage());
} finally {
try {
fos.close();
} catch (Exception ex) {
// if fos cannot be closed, leave it alone.
}
}
}
BenchmarkDefinition.refillMethod(driverConfig.driverClass, driverConfig.preRun);
BenchmarkDefinition.refillMethod(driverConfig.driverClass, driverConfig.postRun);
BenchmarkDefinition.refillOperations(driverConfig.driverClass, driverConfig.mix[0].operations);
if (driverConfig.mix[1] != null) {
BenchmarkDefinition.refillOperations(
driverConfig.driverClass, driverConfig.mix[1].operations);
}
}