Generate JHipster 9.3.0 baseline application

src/main/java/com/example/questionbank/domain/AbstractAuditingEntity.java

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+package com.example.questionbank.domain;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import jakarta.persistence.Column;
+import jakarta.persistence.EntityListeners;
+import jakarta.persistence.MappedSuperclass;
+import java.io.Serial;
+import java.io.Serializable;
+import java.time.Instant;
+import org.springframework.data.annotation.CreatedBy;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedBy;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+/**
+ * Base abstract class for entities which will hold definitions for created, last modified, created by,
+ * last modified by attributes.
+ */
+@MappedSuperclass
+@EntityListeners(AuditingEntityListener.class)
+@JsonIgnoreProperties(value = { "createdBy", "createdDate", "lastModifiedBy", "lastModifiedDate" }, allowGetters = true)
+public abstract class AbstractAuditingEntity<T> implements Serializable {
+
+    @Serial
+    private static final long serialVersionUID = 1L;
+
+    public abstract T getId();
+
+    @CreatedBy
+    @Column(name = "created_by", nullable = false, length = 50, updatable = false)
+    private String createdBy;
+
+    @CreatedDate
+    @Column(name = "created_date", updatable = false)
+    private Instant createdDate = Instant.now();
+
+    @LastModifiedBy
+    @Column(name = "last_modified_by", length = 50)
+    private String lastModifiedBy;
+
+    @LastModifiedDate
+    @Column(name = "last_modified_date")
+    private Instant lastModifiedDate = Instant.now();
+
+    public String getCreatedBy() {
+        return createdBy;
+    }
+
+    public void setCreatedBy(String createdBy) {
+        this.createdBy = createdBy;
+    }
+
+    public Instant getCreatedDate() {
+        return createdDate;
+    }
+
+    public void setCreatedDate(Instant createdDate) {
+        this.createdDate = createdDate;
+    }
+
+    public String getLastModifiedBy() {
+        return lastModifiedBy;
+    }
+
+    public void setLastModifiedBy(String lastModifiedBy) {
+        this.lastModifiedBy = lastModifiedBy;
+    }
+
+    public Instant getLastModifiedDate() {
+        return lastModifiedDate;
+    }
+
+    public void setLastModifiedDate(Instant lastModifiedDate) {
+        this.lastModifiedDate = lastModifiedDate;
+    }
+}