}
private Map<String,String> entityManagerProperties() {
Map<String,String> result = new HashMap<String,String>();
VariableSet p = getProperties();
result.put("javax.persistence.jdbc.driver", p.getStrictly("jdbc.driverClass"));
result.put("javax.persistence.jdbc.url", p.getStrictly("path"));
result.put("javax.persistence.jdbc.user", p.getStrictly("user"));
result.put("javax.persistence.jdbc.password", p.getStrictly("password"));
return result;
}