feat: implement sitemaps

backend/src/main/java/fr/inra/urgi/faidare/domain/data/germplasm/GermplasmSitemapVO.java

+package fr.inra.urgi.faidare.domain.data.germplasm;
+
+import java.io.Serializable;
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.annotation.Nulls;
+import fr.inra.urgi.faidare.domain.brapi.v1.data.BrapiGermplasm;
+import fr.inra.urgi.faidare.domain.jsonld.data.HasURI;
+import fr.inra.urgi.faidare.domain.jsonld.data.HasURL;
+import fr.inra.urgi.faidare.domain.jsonld.data.IncludedInDataCatalog;
+import fr.inra.urgi.faidare.elasticsearch.document.annotation.Document;
+import fr.inra.urgi.faidare.elasticsearch.document.annotation.Id;
+
+/**
+ * A minimal view of a germplasm, containing only its ID, used for sitemaps
+ */
+@Document(type = "germplasm", includedFields = "germplasmDbId")
+public class GermplasmSitemapVO {
+
+    @Id
+    private String germplasmDbId;
+
+    public GermplasmSitemapVO() {
+    }
+
+    public GermplasmSitemapVO(String germplasmDbId) {
+        this.germplasmDbId = germplasmDbId;
+    }
+
+    public String getGermplasmDbId() {
+        return germplasmDbId;
+    }
+
+    public void setGermplasmDbId(String germplasmDbId) {
+        this.germplasmDbId = germplasmDbId;
+    }
+}