Examples of java.sql.Connection.prepareCall()

java.sql.Connection.prepareCall()
A SQL stored procedure call statement is handled by creating a CallableStatement for it. The CallableStatement provides methods for setting up its IN and OUT parameters, and methods for executing it.
Note: This method is optimized for handling stored procedure call statements. Some drivers may send the call statement to the database when the prepareCall is done; others may wait until the CallableStatement is executed. This has no direct affect on users; however, it does affect which method throws certain SQLExceptions. @param sql a SQL statement that may contain one or more '?'parameter placeholders. Typically this statement is a JDBC function call escape string. @return a new CallableStatement object containing thepre-compiled SQL statement @exception SQLException if a database-access error occurs.

    Connection conn = null;
    CallableStatement cstmt = null;
    boolean[] opOkay = new boolean[bookmarks.size()];
    try {
      conn = dataSource.getConnection();
      cstmt = conn.prepareCall("call removeBookmarkFromFolder(?,?)");
      int folderId = folder.getId();    
      for(Bookmark bm : bookmarks){
        cstmt.setInt(1,folderId);
        cstmt.setInt(2,bm.getId());        
        cstmt.addBatch();

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    DaoResult<Folder> result = null;
    CallableStatement cStmt = null;
    Connection conn = null;
    try{            
      conn = dataSource.getConnection();
      cStmt = conn.prepareCall("call pageContainedInFolders(?,?,?,?);");
      cStmt.setInt(1,bookmark.getId());
      cStmt.setInt(2,offset);
      cStmt.setInt(3,count);
      cStmt.registerOutParameter(4,Types.INTEGER);      
      ResultSet rs = cStmt.executeQuery();

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    DaoResult<Bookmark> result = null;
    CallableStatement cStmt = null;
    Connection conn = null;
    try{            
      conn = dataSource.getConnection();
      cStmt = conn.prepareCall("call pageBookmarksByFolderId(?,?,?,?,?,?);");
      cStmt.setInt(1,folder.getId());
      cStmt.setInt(2,offset);
      cStmt.setInt(3,count);
      cStmt.registerOutParameter(4,Types.INTEGER);      
      cStmt.setInt(5,sortBy);

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    DaoResult<Bookmark> result = null;
    CallableStatement cStmt = null;
    Connection conn = null;
    try{            
      conn = dataSource.getConnection();
      cStmt = conn.prepareCall("call pageBookmarksByFolderIdTagId(?,?,?,?,?,?,?);");
      cStmt.setInt(1,folder.getId());
      cStmt.setInt(2,tag.getId());
      cStmt.setInt(3,offset);
      cStmt.setInt(4,count);
      cStmt.registerOutParameter(5,Types.INTEGER);

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    Connection conn = null;
    CallableStatement cStmt = null;    
    boolean exists = false;
    try {
      conn = dataSource.getConnection();
      cStmt = conn.prepareCall("{call hasFolderTag(?,?)}");
      cStmt.setInt(1,folder.getId());
      cStmt.setInt(2,tag.getId());
      ResultSet rs = cStmt.executeQuery();      
      if(rs.next()){
        exists = true;

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    List<FolderTag> folderTags = new ArrayList<FolderTag>();
    CallableStatement cStmt = null;
    Connection conn = null;
    try{            
      conn = dataSource.getConnection();
      cStmt = conn.prepareCall("call findAllTagsInFolder(?,?,?,?);");
      cStmt.setInt(1,folder.getId());
      cStmt.setInt(2,minFreq);
      cStmt.setInt(3,sortBy);
      cStmt.setInt(4,order);      
      ResultSet rs = cStmt.executeQuery();

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    Map<String, List<FolderTag>> tagGroups = new HashMap<String, List<FolderTag>>();
    CallableStatement cStmt = null;
    Connection conn = null;
    try{            
      conn = dataSource.getConnection();
      cStmt = conn.prepareCall("call findTagGroupsInFolder(?,?,?,?);");
      cStmt.setInt(1,folder.getId());
      cStmt.setInt(2,minFreq);
      cStmt.setInt(3,sortBy);
      cStmt.setInt(4,order);      
      ResultSet rs = cStmt.executeQuery();

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    Connection conn = null;
    CallableStatement cStmt = null;
    int id = -1;
    try {
      conn = dataSource.getConnection();
      cStmt = conn.prepareCall("{call createBookmark(?,?,?,?,?,?,?,?)}");
      cStmt.setLong(1,bm.getUser().getId());
      cStmt.setLong(2,bm.getLink().getId());
      cStmt.setString(3,bm.getTitle());
      cStmt.setString(4,bm.getNotes());
      cStmt.setTimestamp(5,new Timestamp(bm.getCreatedOn().getTime()));

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    CallableStatement stmt = null;
    DaoResult<Bookmark> result= null;
    List<Bookmark> bmarks = new ArrayList<Bookmark>();
    try {
      conn = dataSource.getConnection();
      stmt = conn.prepareCall("call pageBookmarksLinkId(?,?,?,?)");
      stmt.setInt(1,link.getId());
      stmt.setInt(2,offset);
      stmt.setInt(3,count);
      stmt.registerOutParameter(4,Types.INTEGER);
      ResultSet rs = stmt.executeQuery();

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    CallableStatement cStmt = null;
    DaoResult<Bookmark> result = null;
    List<Bookmark> bmarks = new ArrayList<Bookmark>();
    try {
      conn = dataSource.getConnection();
      cStmt = conn.prepareCall("call pageBookmarksTagId(?,?,?,?);");      
      cStmt.setLong(1,tag.getId());
      cStmt.setLong(2,offset);
      cStmt.setInt(3,count);
      cStmt.registerOutParameter(4, Types.INTEGER);
      ResultSet rs = cStmt.executeQuery();

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