LincPayandClaude Opus 5
1b9b02f2c7
Spring Boot 4 / Java 17 / Postgres. Masters and serving (A), Agmarknet and climate ingestion (B), feature store with 14 derivations (C), SpEL rule engine and risk scoring (D). Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
71 lines
2.0 KiB
Java
71 lines
2.0 KiB
Java
package com.lincfusion.udyamlinc.features;
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import jakarta.persistence.*;
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import lombok.*;
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import java.time.LocalDateTime;
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/**
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* The feature catalogue. A row here is the contract for one engineered
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* indicator: what it means, what unit it carries, and how old it is allowed to
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* be before anything downstream may act on it.
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*
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* <p>{@code stalenessToleranceDays} is the column trip-wires read. A rule firing
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* on a three-week-old price is worse than no rule, and the tolerance is per
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* feature because a mandi price goes stale in days while a CBS extract is
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* monthly by design.
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*/
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@Entity
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@Table(name = "feature_definition", indexes = @Index(name = "ix_feature_def_code", columnList = "code", unique = true))
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@Getter
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@Setter
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@NoArgsConstructor
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@AllArgsConstructor
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@Builder
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public class FeatureDefinition {
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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private Long id;
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/** snake_case, matching the name a trip-wire expression uses. */
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@Column(nullable = false, unique = true, length = 48)
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private String code;
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@Column(nullable = false, length = 96)
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private String label;
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/** LIQUIDITY | BEHAVIOURAL | TREND_VOLATILITY | OBLIGATION_LOAD | EXTERNAL_SHOCK | QUALITY */
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@Column(nullable = false, length = 32)
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private String family;
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/** RATIO | PCT | DAYS | INDEX */
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@Column(length = 16)
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private String unit;
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/** Which upstream table it derives from — AGMARKNET, CLIMATE, LEDGER, CBS, UPI. */
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@Column(length = 32)
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private String sourceKind;
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/** Beyond this age the value must not be acted on. Null means it never goes stale. */
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private Integer stalenessToleranceDays;
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/** HIGHER_IS_WORSE | LOWER_IS_WORSE */
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@Column(length = 24)
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private String direction;
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@Column(length = 512)
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private String derivation;
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private Boolean active;
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private LocalDateTime updatedAt;
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@PrePersist
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@PreUpdate
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void stamp() {
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if (active == null) active = Boolean.TRUE;
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updatedAt = LocalDateTime.now();
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}
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}
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