/******************************************************************************
* __ *
* <-----/@@\-----> *
* <-< < \\// > >-> *
* <-<-\ __ /->-> *
* Data / \ Crow *
* ^ ^ *
* info@datacrow.net *
* *
* This file is part of Data Crow. *
* Data Crow is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public *
* License as published by the Free Software Foundation; either *
* version 3 of the License, or any later version. *
* *
* Data Crow is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public *
* License along with this program. If not, see http://www.gnu.org/licenses *
* *
******************************************************************************/
package net.datacrow.core.wf;
import net.datacrow.core.wf.requests.IRequest;
import net.datacrow.core.wf.requests.IUpdateUIRequest;
import net.datacrow.core.wf.requests.Requests;
/**
* This class can be used by a Swing Worker implementation.
* Executes the UI requests (see {@link IRequest}).
*
* @author Robert Jan van der Waals
*/
public class UIUpdater implements Runnable {
private Requests requests;
private boolean qryWasSuccess;
/**
* Creates a new instance.
* @param objects The items, if any.
* @param requests The requests to be executed.
* @param qryWasSuccess Indicates if the task requesting the UI update was successful.
*/
public UIUpdater(Requests requests,
boolean qryWasSuccess) {
this.qryWasSuccess = qryWasSuccess;
this.requests = requests;
}
/**
* Free all resources.
*/
public void close() {
if (requests != null)
requests.clear();
requests = null;
}
/**
* Execute the requests.
*/
@Override
public void run() {
if (requests != null) {
IRequest[] requestArray = requests.get();
for (int i = 0; i < requestArray.length; i++) {
IRequest request = requestArray[i];
if (request instanceof IUpdateUIRequest) {
if (qryWasSuccess || request.getExecuteOnFail())
request.execute();
else
request.end();
}
}
}
close();
}
}