23 lines
1.3 KiB
Java
23 lines
1.3 KiB
Java
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package com.baiyue.lastleg.appointmentplanning;
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import java.util.Objects;
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/** Source-local observations can prove a change, not a cross-time-zone delivery violation. */
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public final class AppointmentImpactPolicy {
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private AppointmentImpactPolicy() { }
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public record Decision(boolean reviewRequired,String reason) { }
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public static Decision compare(AppointmentForecastClient.Fact baseline,AppointmentForecastClient.Fact latest) {
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if(latest==null || latest.estimatedAt()==null && latest.actualAt()==null) return new Decision(true,"FORECAST_MISSING");
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if(latest.actualAt()!=null) {
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return baseline==null || !Objects.equals(baseline.actualAt(),latest.actualAt())
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? new Decision(true,"ACTUAL_ARRIVAL_REVIEW") : new Decision(false,"UNCHANGED");
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}
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if(baseline==null) return new Decision(false,"BASELINE_ESTABLISHED");
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if(!Objects.equals(baseline.estimatedAt(),latest.estimatedAt()) || !Objects.equals(baseline.actualAt(),latest.actualAt()))
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return new Decision(true,"FORECAST_CHANGED");
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if(!Objects.equals(baseline.providerCode(),latest.providerCode()) || !Objects.equals(baseline.sourceReference(),latest.sourceReference()))
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return new Decision(true,"SOURCE_CHANGED");
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return new Decision(false,"UNCHANGED");
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}
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}
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