/**
* Initialize this PropertyHolder, loading and verifying it's properties. A PropertyHolder that
* has not been initialized or whose initialization failed will throw an exception when accessed.
* This method should be called only once, typically by the PropertyHolderRegistry that handles
* PropertyHolders of this type before registration.
*
* @throws InitializationException if the PropertyHolder could not be initialized.
*/
public final void initialize() throws InitializationException {
if (!isInitialized()) {
try {
verifyProperties();
_initialize();
initialized = true;
} catch (PropertyValidationException ex) {
throw new InitializationException(ex);
}
} else {
throw new IllegalStateException(
"Called initialize() on "
+ TextUtils.getTypeDescription(this)
+ " while already initialized.");
}
}
