@Override
protected String exec(AppCommandParser parser, Session session, Output out)
throws ShellException {
if (parser.arguments().size() < 2) {
throw new ShellException(
"Must supply <from-key> <to-key> " + "arguments, like: mv name \"given_name\"");
}
String fromKey = parser.arguments().get(0);
String toKey = parser.arguments().get(1);
boolean mayOverwrite = parser.options().containsKey("o");
NodeOrRelationship thing = getCurrent(session);
if (!thing.hasProperty(fromKey)) {
throw new ShellException("Property '" + fromKey + "' doesn't exist");
}
if (thing.hasProperty(toKey)) {
if (!mayOverwrite) {
throw new ShellException(
"Property '" + toKey + "' already exists, supply -o flag to overwrite");
} else {
thing.removeProperty(toKey);
}
}
Object value = thing.removeProperty(fromKey);
thing.setProperty(toKey, value);
return null;
}
