package jnpf.limsService.support;

/**
 * 水系统取样计划任务状态。
 */
public final class LimsSxtQuyangJihuaRenwuStatus {

    public static final String PENDING = "pending";
    public static final String GENERATING = "generating";
    public static final String GENERATED = "generated";
    public static final String BLOCKED_CONFIG_INVALID = "blocked_config_invalid";
    public static final String CANCELLED = "cancelled";
    public static final String INVALIDATED = "invalidated";

    private LimsSxtQuyangJihuaRenwuStatus() {
    }

    public static boolean canTransition(String current, String target) {
        if (PENDING.equals(current)) {
            return GENERATING.equals(target) || CANCELLED.equals(target) || INVALIDATED.equals(target);
        }
        if (GENERATING.equals(current)) {
            return PENDING.equals(target) || GENERATED.equals(target) || BLOCKED_CONFIG_INVALID.equals(target);
        }
        return BLOCKED_CONFIG_INVALID.equals(current)
                && (CANCELLED.equals(target) || INVALIDATED.equals(target));
    }
}