private String resolveTypeDiscriminator(final Class<?> persistentType) {
final List<String> discrimintators = new ArrayList<String>();
TypeDiscriminator td = persistentType.getAnnotation(TypeDiscriminator.class);
if (td != null) {
if (td.value().length() == 0) {
throw new ViewGenerationException(
String.format(
"@TypeDiscriminator declared on type level must specify custom discriminator condition",
persistentType));
}
if (hasTypeDiscriminatorFieldOrMethod(persistentType)) {
throw new ViewGenerationException(
String.format(
"@TypeDiscriminator declared on type level may not be combined with @TypeDiscriminator in fields or on methods",
persistentType));
}
return td.value();
}
eachField(
persistentType,
new Predicate<Field>() {
public boolean apply(Field input) {
if (hasAnnotation(input, TypeDiscriminator.class)) {
discrimintators.add("doc." + input.getName());
}
return false;
}
});
eachMethod(
persistentType,
new Predicate<Method>() {
public boolean apply(Method input) {
if (hasAnnotation(input, TypeDiscriminator.class)) {
discrimintators.add("doc." + firstCharToLowerCase(input.getName().substring(3)));
}
return true;
}
});
return Joiner.join(discrimintators, " && ");
}
public void join() {
final long joinStartTime = joiner != null ? joiner.getStartTime() : Clock.currentTimeMillis();
final long maxJoinMillis = getGroupProperties().MAX_JOIN_SECONDS.getInteger() * 1000;
try {
if (joiner == null) {
logger.warning("No join method is enabled! Starting standalone.");
setAsMaster();
} else {
joiner.join(joined);
}
} catch (Exception e) {
if (Clock.currentTimeMillis() - joinStartTime < maxJoinMillis) {
logger.warning("Trying to rejoin: " + e.getMessage());
rejoin();
} else {
logger.severe("Could not join cluster, shutting down!", e);
shutdown(false, true);
}
}
}
public String toString(String delim) {
return Joiner.join(this, delim);
}
