本文實例講述了Java連接并操作Sedna XML數據庫的方法。分享給大家供大家參考。具體分析如下：
Sedna 是一個原生的XML數據庫，提供了全功能的核心數據庫服務，包括持久化存儲、ACID事務、索引、安全、熱備、UTF8等。實現了 W3C XQuery 規范，支持全文搜索以及節點級別的更新操作。
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import ru.ispras.sedna.driver.*; public class SednaClient { public static void main(String args[]) { SednaConnection con = null; try { /* Get a connection */ con = DatabaseManager.getConnection("localhost", "testdb", "SYSTEM", "MANAGER"); /* Begin a new transaction */ con.begin(); /* Create statement */ SednaStatement st = con.createStatement(); /* Load XML into the database */ System.out.println("Loading data ..."); boolean res; res = st.execute("LOAD 'C:/region.xml' 'region'"); System.out.println("Document 'region.xml' "+ "has been loaded successfully"); /* Execute query */ System.out.println("Executing query"); res = st.execute("doc('region')/*/*"); /* Print query results */ printQueryResults(st); /* Remove document */ System.out.println("Removing document ..."); res = st.execute("DROP DOCUMENT 'region'"); System.out.println("Document 'region' " + "has been dropped successfully"); /* Commit current transaction */ con.commit(); } catch(DriverException e) { e.printStackTrace(); } finally { /* Properly close connection */ try { if(con != null) con.close(); } catch(DriverException e) { e.printStackTrace(); } } } /* Pretty printing for query results */ private static void printQueryResults(SednaStatement st) throws DriverException { int count = 1; String item; SednaSerializedResult pr = st.getSerializedResult(); while ((item = pr.next()) != null) { System.out.println(count + " item: " + item); count++; } } } |
希望本文所述對大家的java程序設計有所幫助。
