How to use

clear

method

in

org.pentaho.di.core.DBCache

public void clearDBCache( DatabaseMeta databaseMeta ) {
 if ( databaseMeta != null ) {
  DBCache.getInstance().clear( databaseMeta.getName() );
 } else {
  DBCache.getInstance().clear( null );
 }
}

private DBCache() throws KettleFileException {
 try {
  clear( null );

DBCache.getInstance().clear( databaseMeta.getName() );

 public void handleEvent( Event e ) {
  DBCache.getInstance().clear( input.getDbConnectionName() );
  MessageBox mb = new MessageBox( shell, SWT.OK | SWT.ICON_INFORMATION );
  mb.setMessage( BaseMessages.getString( PKG, "MonetDBBulkLoaderDialog.Tab.ClearedDbCacheMsg" ) );
  mb.setText( BaseMessages.getString( PKG, "MonetDBBulkLoaderDialog.Tab.ClearedDbCacheTitle" ) );
  mb.open();
 }
};

DBCache.getInstance().clear( meta.getDatabaseMeta().getName() );
if ( meta.getDatabaseMeta() == null ) {
 logError( BaseMessages.getString( PKG, "MySQLBulkLoader.Init.ConnectionMissing", getStepname() ) );

dbcache.clear( ci.getName() );

private void clearCache() {
 MessageBox mb = new MessageBox( shell, SWT.ICON_QUESTION | SWT.NO | SWT.YES | SWT.CANCEL );
 mb.setMessage( BaseMessages.getString( PKG, "SQLEditor.ClearWholeCache.Message", connection.getName() ) );
 mb.setText( BaseMessages.getString( PKG, "SQLEditor.ClearWholeCache.Title" ) );
 int answer = mb.open();
 switch ( answer ) {
  case SWT.NO:
   DBCache.getInstance().clear( connection.getName() );
   mb = new MessageBox( shell, SWT.ICON_INFORMATION | SWT.OK );
   mb.setMessage( BaseMessages.getString( PKG, "SQLEditor.ConnectionCacheCleared.Message", connection
    .getName() ) );
   mb.setText( BaseMessages.getString( PKG, "SQLEditor.ConnectionCacheCleared.Title" ) );
   mb.open();
   break;
  case SWT.YES:
   DBCache.getInstance().clear( null );
   mb = new MessageBox( shell, SWT.ICON_INFORMATION | SWT.OK );
   mb.setMessage( BaseMessages.getString( PKG, "SQLEditor.WholeCacheCleared.Message" ) );
   mb.setText( BaseMessages.getString( PKG, "SQLEditor.WholeCacheCleared.Title" ) );
   mb.open();
   break;
  case SWT.CANCEL:
   break;
  default:
   break;
 }
}

dbcache.clear( data.databaseMeta.getName() );

 new int[] { pos } );
hasDatabasesInterface.removeDatabase( pos );
DBCache.getInstance().clear( db.getName() ); // remove this from the cache as well.

DBCache.getInstance().clear( databaseMeta.getName() );

DBCache.getInstance().clear( databaseMeta.getName() );