How to use

setActive

method

in

org.pentaho.di.core.DBCache

public void setInactive() {
 setActive( false );
}

public void setActive() {
 setActive( true );
}

/**
 * Clear out all entries of database with a certain name
 *
 * @param dbname
 *          The name of the database for which we want to clear the cache or null if we want to clear it all.
 */
public void clear( String dbname ) {
 if ( dbname == null ) {
  cache = new Hashtable<DBCacheEntry, RowMetaInterface>();
  setActive();
 } else {
  Enumeration<DBCacheEntry> keys = cache.keys();
  while ( keys.hasMoreElements() ) {
   DBCacheEntry entry = keys.nextElement();
   if ( entry.sameDB( dbname ) ) {
    // Same name: remove it!
    cache.remove( entry );
   }
  }
 }
}

public void loadSettings() {
 LogLevel logLevel = LogLevel.getLogLevelForCode( props.getLogLevel() );
 DefaultLogLevel.setLogLevel( logLevel );
 log.setLogLevel( logLevel );
 KettleLogStore.getAppender().setMaxNrLines( props.getMaxNrLinesInLog() );
 // transMeta.setMaxUndo(props.getMaxUndo());
 DBCache.getInstance().setActive( props.useDBCache() );
}