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docs/snippets/java/advanced/vector_database_integration.md

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+```java title="Java"
+import dev.kreuzberg.Kreuzberg;
+import dev.kreuzberg.ExtractionResult;
+import dev.kreuzberg.ExtractionConfig;
+import dev.kreuzberg.ChunkingConfig;
+import dev.kreuzberg.EmbeddingConfig;
+import dev.kreuzberg.EmbeddingModelType;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class VectorDatabaseIntegration {
+    public static class VectorRecord {
+        public String id;
+        public float[] embedding;
+        public String content;
+        public Map<String, String> metadata;
+    }
+
+    public static List<VectorRecord> extractAndVectorize(String documentPath, String documentId) throws Exception {
+        ExtractionConfig config = ExtractionConfig.builder()
+            .chunking(ChunkingConfig.builder()
+                .maxChars(512)
+                .maxOverlap(50)
+                .embedding(EmbeddingConfig.builder()
+                    .model(EmbeddingModelType.preset("balanced"))
+                    .normalize(true)
+                    .batchSize(32)
+                    .build())
+                .build())
+            .build();
+
+        ExtractionResult result = Kreuzberg.extractFile(documentPath, config);
+        List<Object> chunks = result.getChunks() != null ? result.getChunks() : List.of();
+
+        List<VectorRecord> vectorRecords = new java.util.ArrayList<>();
+        for (int index = 0; index < chunks.size(); index++) {
+            VectorRecord record = new VectorRecord();
+            record.id = documentId + "_chunk_" + index;
+            record.metadata = new HashMap<>();
+            record.metadata.put("document_id", documentId);
+            record.metadata.put("chunk_index", String.valueOf(index));
+
+            if (chunk instanceof java.util.Map) {
+                Map<String, Object> chunkMap = (Map<String, Object>) chunks.get(index);
+                record.content = (String) chunkMap.get("content");
+                record.embedding = (float[]) chunkMap.get("embedding");
+                record.metadata.put("content_length", String.valueOf(record.content.length()));
+            }
+
+            vectorRecords.add(record);
+        }
+
+        storeInVectorDatabase(vectorRecords);
+        return vectorRecords;
+    }
+
+    private static void storeInVectorDatabase(List<VectorRecord> records) {
+        for (VectorRecord record : records) {
+            if (record.embedding != null && record.embedding.length > 0) {
+                System.out.println("Storing " + record.id + ": " + record.content.length()
+                    + " chars, " + record.embedding.length + " dims");
+            }
+        }
+    }
+}
+```