Examples of edu.uga.galileo.voci.db.QueryParser

edu.uga.galileo.voci.db.QueryParser
A business object used with the executeQuery and executeInsertOrUpdate methods in the ConnectionPoolFactory. The parser is initialized with information on column name and type for data to be retieved from the ResultSet, or, if excluded, it will try to build the element info itself from ResultSet metadata. If necessary, one must also provide definitions for populating the PreparedStatement. The object can then be used to retrieve results by column name as String, int, Date, or boolean types.

The QueryParser can optionally accept a Connection object that will be used by the {@link edu.uga.galileo.voci.db.ConnectionPool} instead of using the pool'sdefault connection handling. This is useful for instances where manipulation of the connection is required prior to making database calls. For example, to allow rollback during failure at any point in a series of database calls, a connection could be retrieved, have its autoCommit set to false, and the query parser could be re-used for repeated calls until the transaction's complete. At that point, getting the connection from the parser and committing is possible, and the connection could then be returned by calling code to the pool. @author Mark Durant @version 1.0

      sql.append(" insert into role2user ");
      sql.append(" ( user_id, role_id ) ");
      sql.append(" values ");
      sql.append(" ( ?, ?) ");
    
      QueryParser qp = new QueryParser(sql.toString());
      qp.addPreparedStmtElementDefinition(user.getUserId());
      qp.addPreparedStmtElementDefinition( roleIds[i]);
  
      try
      {
        Configuration.getConnectionPool().executeInsertOrUpdate(qp);
      }

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    StringBuffer userRoles = new StringBuffer();
    StringBuffer sql = new StringBuffer();
    sql.append(" select name, role_id from roles where role_id in ");
    sql.append(" (select role_id from role2user where user_id=?) order by name ");
    
    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(userId);
    ArrayList<String> roleList = null;
    try
    {
      Configuration.getConnectionPool().executeQuery(qp);
      roleList = qp.getResults(String.class, "name");
      
      if( roleList == null )
      {
        throw new NoUserRolesException("Database errors prevented retrieval of role names for user");
      }
      
      for( int i = 0; i < qp.getResultCount(); i++)
      {
        ArrayList results = qp.getRowResults(i);
        userRoles.append( results.get(0).toString() + " (" + results.get(1).toString() + ")|" );        
      }
      /*for( String role: roleList )
      {
        userRoles.append( role + "|" );

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    sql.append(" select DISTINCT name, role_id ");
    sql.append(" from roles where role_id in (select role_id from role2project where project_id =? ) ");
    
    //String description = "";


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(projectId);
    try
    {
      Configuration.getConnectionPool().executeQuery(qp);      
      for( int i = 0; i < qp.getResultCount(); i++)
      {
        ArrayList results = qp.getRowResults(i);
        roleNames.add( results.get(0).toString() + " (" + results.get(1).toString() + ")" );        
      }          
    }
    catch( SQLException e )
    {

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    StringBuffer sql = new StringBuffer();
    sql.append(" select * ");
    sql.append(" from roles ");
    sql.append(" where role_id=? ");


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(roleId);


    try
    {
      Configuration.getConnectionPool().executeQuery(qp);
      if (qp.getResultCount() > 0)
      {
        role = createObjectFromQueryParser(Role.class, qp);
      }
      else
      {

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    if( parentRoleId > 0 )
    {
      sql.append(" and parent_role_id=?");
    }


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(roleName);
    qp.addPreparedStmtElementDefinition(QueryParserElement.BOOLEAN, isManager);
    if( parentRoleId > 0 )
    {
      qp.addPreparedStmtElementDefinition(parentRoleId);
    }
    
    try
    {
      Configuration.getConnectionPool().executeQuery(qp);
      if (qp.getResultCount() > 0)
      {
        isRole = true;
      }      
    }
    catch( SQLException e1 )

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    sql.append(" (select name from roles  "); 
    sql.append(" where role_id in  "); 
    sql.append(" ( select role_id from role2project  "); 
    sql.append(" where project_id=? ) ) order by name "); 


    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(projectId);


    try
    {
      Configuration.getConnectionPool().executeQuery(qp);
      if (qp.getResultCount() == 0)
      {
        roleList = null;
      }
      else
      {

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    sql.append(" name='bundles' or ");
    sql.append(" name='items' or ");
    sql.append(" name='import' or ");
    sql.append(" name='workflow')");
      
    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(roleId);
    int counter = -1;
    try
    {
      Configuration.getConnectionPool().executeQuery(qp);
      counter = qp.getResult(Integer.class, "counter").intValue();
      
      if ( counter > 0 )
      {
        // its ok to delete
        qp = null;
        sql = new StringBuffer();
        sql.append(" delete from roles where role_id =?");
        qp = new QueryParser(sql.toString());
        qp.addPreparedStmtElementDefinition(roleId);
        try
        {
          Configuration.getConnectionPool().executeInsertOrUpdate(qp);
        }
        catch( SQLException e )

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      sql.append(" parent_role_id=?,  ");
    }        
    sql.append(" name=?, description=?, manager=?, can_edit_xrefs=? ");
    sql.append(" where role_id=?");


    QueryParser qp = new QueryParser(sql.toString());
    // only update parentId if greater than 0
    if( role.getParentRoleId() > 0 )
    {
      qp.addPreparedStmtElementDefinition(role.getParentRoleId());
    }
    qp.addPreparedStmtElementDefinition(role.getName());
    qp.addPreparedStmtElementDefinition(role.getDescription());
    qp.addPreparedStmtElementDefinition(QueryParserElement.BOOLEAN, role.isManager());
    qp.addPreparedStmtElementDefinition(QueryParserElement.BOOLEAN, role.canEditXrefs());
    qp.addPreparedStmtElementDefinition(role.getRoleId());


    try
    {
      Configuration.getConnectionPool().executeInsertOrUpdate(qp);
    }

View Full Code Here

    sql.append(" insert into roles ");
    sql.append(" ( name, description, manager, can_edit_xrefs) ");
    sql.append(" values ");
    sql.append(" ( ?, ?, ?, ?) ");
  
    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(role.getName());
    qp.addPreparedStmtElementDefinition(role.getDescription());
    qp.addPreparedStmtElementDefinition(role.isManager());
    qp.addPreparedStmtElementDefinition(QueryParserElement.BOOLEAN,  role.canEditXrefs());


    try
    {
      Configuration.getConnectionPool().executeInsertOrUpdate(qp);
    }

View Full Code Here

    sql.append(" insert into roles ");
    sql.append(" (parent_role_id, name, description, manager, can_edit_xrefs) ");
    sql.append(" values ");
    sql.append(" (?, ?, ?, ?, ?) ");
  
    QueryParser qp = new QueryParser(sql.toString());
    qp.addPreparedStmtElementDefinition(role.getParentRoleId());
    qp.addPreparedStmtElementDefinition(role.getName());
    qp.addPreparedStmtElementDefinition(role.getDescription());
    qp.addPreparedStmtElementDefinition(role.isManager());
    qp.addPreparedStmtElementDefinition(QueryParserElement.BOOLEAN,  role.canEditXrefs());


    try
    {
      Configuration.getConnectionPool().executeInsertOrUpdate(qp);
    }

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