Merge pull request #43 from Ajou-Hertz/feature/#37-brand-model-entity

악기 브랜드,모델 엔티티 생성

src/main/java/com/ajou/hertz/domain/instrument/entity/InstrumentBrand.java

@@ -0,0 +1,28 @@
+package com.ajou.hertz.domain.instrument.entity;
+
+import com.ajou.hertz.common.entity.TimeTrackedBaseEntity;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+@Table(name = "instrument_brand")
+public class InstrumentBrand extends TimeTrackedBaseEntity {
+
+	@Id
+	@Column(nullable = false, updatable = false)
+	private Long id;
+
+	@Column(nullable = false)
+	private String name;
+
+}

src/main/java/com/ajou/hertz/domain/instrument/entity/InstrumentModel.java

@@ -0,0 +1,38 @@
+package com.ajou.hertz.domain.instrument.entity;
+
+import com.ajou.hertz.common.entity.TimeTrackedBaseEntity;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.FetchType;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.Table;
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Getter
+@AllArgsConstructor(access = AccessLevel.PRIVATE)
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+@Entity
+@Table(name = "instrument_model")
+public class InstrumentModel extends TimeTrackedBaseEntity {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	@Column(nullable = false, updatable = false)
+	private Long id;
+
+	@ManyToOne(fetch = FetchType.LAZY)
+	@JoinColumn(name = "instrument_brand_id", nullable = false)
+	private InstrumentBrand instrumentBrand;
+
+	@Column(nullable = false)
+	private String name;
+
+}