Support of Apache Solr for Java

public class CoreLevelSolrCRUDExample {

    private static final String SOLR_URL = "http://localhost:8983/solr"; // Solr base URL
    private static final String CORE_NAME = "my_core"; // Replace with your core name

    private static final SolrClient solrClient = new HttpSolrClient.Builder(SOLR_URL).build();

    public static void main(String[] args) {
        CoreLevelSolrCRUDExample solrClient = new CoreLevelSolrCRUDExample();

        // Create a document and add it to Solr core
        SolrInputDocument document = new SolrInputDocument();
        document.addField("id", "1");
        document.addField("title", "Sample Document");
        document.addField("content", "This is a sample document content.");

        solrClient.createDocument(document);

        // Read the document by ID
        solrClient.readDocument("1");

        // Update the document's title
        solrClient.updateDocument("1", "Updated Document Title");

        // Read the updated document
        solrClient.readDocument("1");

        // Delete the document by ID
        solrClient.deleteDocument("1");

        // Don't forget to close the SolrClient when done
        solrClient.closeSolrClient();
    }

    public void createDocument(SolrInputDocument document) {
        try {
            UpdateResponse response = solrClient.add(CORE_NAME, document);
            solrClient.commit(CORE_NAME);
            System.out.println("Document created successfully. Response: " + response);
        } catch (IOException e) {
            System.err.println("Error creating document: " + e.getMessage());
        }
    }

 public void createDocument(SolrInputDocument document) {
        try {
            UpdateResponse response = solrClient.add(CORE_NAME, document);
            solrClient.commit(CORE_NAME);
            System.out.println("Document created successfully. Response: " + response);
        } catch (IOException e) {
            System.err.println("Error creating document: " + e.getMessage());
        }
    }

 public void readDocument(String documentId) {
        try {
            SolrDocument solrDocument = solrClient.getById(CORE_NAME, documentId);
            System.out.println("Read Document: " + solrDocument);
        } catch (IOException e) {
            System.err.println("Error reading document: " + e.getMessage());
        }
    }

public void deleteDocument(String documentId) {
        try {
            UpdateResponse response = solrClient.deleteById(CORE_NAME, documentId);
            solrClient.commit(CORE_NAME);
            System.out.println("Document deleted successfully. Response: " + response);
        } catch (IOException e) {
            System.err.println("Error deleting document: " + e.getMessage());
        }
    }