JpaUniqueUtil.java 文件源码

private Map<String, Object> getPropertyConstraints(Object entity, Class<?> entityClass, UniqueConstraint u, String prefix) {
    Map<String, Object> values = newHashMap();
    for (String column : u.columnNames()) {
        Method method = columnNameToMethod(entityClass, column);
        if (method != null) {
            values.put(prefix + methodToProperty(method), invokeMethod(method, entity));
        } else {
            Field field = columnNameToField(entityClass, column);
            if (field != null) {
                values.put(prefix + field.getName(), getValueFromField(field, entity));
            }
        }
    }
    return values;
}