feat: opensearch init

backend/src/main/java/com/openisle/search/OpenSearchIndexer.java

@@ -0,0 +1,51 @@
+package com.openisle.search;
+
+import java.io.IOException;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.opensearch.client.opensearch.OpenSearchClient;
+import org.opensearch.client.opensearch.core.DeleteRequest;
+import org.opensearch.client.opensearch.core.IndexRequest;
+import org.opensearch.client.opensearch.core.IndexResponse;
+
+@Slf4j
+@RequiredArgsConstructor
+public class OpenSearchIndexer implements SearchIndexer {
+
+  private final OpenSearchClient client;
+
+  @Override
+  public void indexDocument(String index, SearchDocument document) {
+    if (document == null || document.entityId() == null) {
+      return;
+    }
+    try {
+      IndexRequest<SearchDocument> request = IndexRequest.of(builder ->
+        builder.index(index).id(document.entityId().toString()).document(document)
+      );
+      IndexResponse response = client.index(request);
+      if (log.isDebugEnabled()) {
+        log.debug(
+          "Indexed document {} into {} with result {}",
+          document.entityId(),
+          index,
+          response.result()
+        );
+      }
+    } catch (IOException e) {
+      log.warn("Failed to index document {} into {}", document.entityId(), index, e);
+    }
+  }
+
+  @Override
+  public void deleteDocument(String index, Long id) {
+    if (id == null) {
+      return;
+    }
+    try {
+      client.delete(DeleteRequest.of(builder -> builder.index(index).id(id.toString())));
+    } catch (IOException e) {
+      log.warn("Failed to delete document {} from {}", id, index, e);
+    }
+  }
+}