package com.battery.device.api;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import com.battery.device.model.AdapterCapabilities;
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import com.battery.device.model.ChannelIdentity;
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import com.battery.device.model.DetectedChannel;
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import com.battery.device.model.HistoryAvailability;
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import com.battery.device.model.HistoryPage;
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import com.battery.device.model.RealtimeSnapshot;
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/** 没有启用具体设备实现时使用的空适配器，不连接外部设备。 */
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public final class NoopDeviceAdapter implements DeviceAdapter
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{
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private final String adapterCode;
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public NoopDeviceAdapter(String adapterCode)
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{
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this.adapterCode = adapterCode == null || adapterCode.isBlank() ? "noop" : adapterCode;
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}
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@Override public String adapterCode() { return adapterCode; }
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@Override public AdapterCapabilities capabilities()
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{
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// Noop 不宣称发现或观测能力，避免业务把空结果误认为设备离线快照之外的成功事实。
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return new AdapterCapabilities(false, false, false, false);
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}
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@Override public List<DetectedChannel> discoverChannels() { return List.of(); }
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@Override public Map<ChannelIdentity, RealtimeSnapshot> inquire(Set<ChannelIdentity> channels)
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{
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return Map.of();
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}
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@Override public List<HistoryAvailability> inquireHistory(Set<ChannelIdentity> channels)
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{
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return List.of();
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}
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@Override public HistoryPage downloadHistory(ChannelIdentity channel, String btsTestId,
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long startPosition, int limit)
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{
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return new HistoryPage(channel, btsTestId, startPosition, startPosition, List.of());
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}
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}
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