package com.battery.device.simulator;

import java.util.List;

/** 测试和独立协议合同使用的内存状态存储。 */
public final class InMemoryBtsSimulatorStateStore implements BtsSimulatorStateStore
{
    private SimulatorState state;
    private List<RecentRequest> recentRequests = List.of();

    public InMemoryBtsSimulatorStateStore() { }
    public InMemoryBtsSimulatorStateStore(SimulatorState state) { this.state = state; }

    @Override
    public synchronized SimulatorState loadOrInitialize(SimulatorState defaults)
    {
        if (state == null) state = defaults;
        return state;
    }

    @Override
    public synchronized void save(SimulatorState state) { this.state = state; }
    @Override
    public synchronized List<RecentRequest> loadRecentRequests() { return recentRequests; }
    @Override
    public synchronized void saveRecentRequests(List<RecentRequest> requests) { recentRequests = List.copyOf(requests); }
    @Override
    public synchronized void reset(SimulatorState defaults)
    {
        state = defaults;
        recentRequests = List.of();
    }
}