feat: 增加策略模块专门处理策略研究

leopard-core/src/main/java/com/lanyuanxiaoyao/leopard/core/entity/Stock.java

@@ -9,6 +9,7 @@ import jakarta.persistence.Entity;
 import jakarta.persistence.EntityListeners;
 import jakarta.persistence.EnumType;
 import jakarta.persistence.Enumerated;
+import jakarta.persistence.ManyToMany;
 import jakarta.persistence.OneToMany;
 import jakarta.persistence.Table;
 import java.time.LocalDate;
@@ -61,6 +62,10 @@ public class Stock extends SimpleEntity {
   @ToString.Exclude
   private Set<Daily> dailies;
 
+  @ManyToMany
+  @ToString.Exclude
+  private Set<StockCollection> collections;
+
   @Getter
   @AllArgsConstructor
   public enum Market implements SimpleEnum {

leopard-core/src/main/java/com/lanyuanxiaoyao/leopard/core/entity/StockCollection.java

@@ -0,0 +1,37 @@
+package com.lanyuanxiaoyao.leopard.core.entity;
+
+import com.lanyuanxiaoyao.leopard.core.Constants;
+import com.lanyuanxiaoyao.service.template.entity.SimpleEntity;
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.EntityListeners;
+import jakarta.persistence.ManyToMany;
+import jakarta.persistence.Table;
+import java.util.Set;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import lombok.experimental.FieldNameConstants;
+import org.hibernate.annotations.DynamicInsert;
+import org.hibernate.annotations.DynamicUpdate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+@Setter
+@Getter
+@ToString(callSuper = true)
+@FieldNameConstants
+@Entity
+@DynamicUpdate
+@DynamicInsert
+@EntityListeners(AuditingEntityListener.class)
+@Table(name = Constants.DATABASE_PREFIX + "stock_collection")
+public class StockCollection extends SimpleEntity {
+  @Column(nullable = false)
+  private String name;
+  @Column(nullable = false)
+  private String description;
+
+  @ManyToMany
+  @ToString.Exclude
+  private Set<Stock> stocks;
+}