196 lines
5.0 KiB
Java
196 lines
5.0 KiB
Java
/**
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*
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*/
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package org.gcube.portlets.user.td.tablewidget.client.progress;
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import java.util.ArrayList;
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import org.gcube.portlets.user.td.gwtservice.client.rpc.TDGWTServiceAsync;
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import org.gcube.portlets.user.td.gwtservice.shared.monitor.RollBackSessionMonitor;
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import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
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import com.allen_sauer.gwt.log.client.Log;
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import com.google.gwt.user.client.Timer;
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import com.google.gwt.user.client.rpc.AsyncCallback;
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/**
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*
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* @author "Giancarlo Panichi"
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* <a href="mailto:g.panichi@isti.cnr.it">g.panichi@isti.cnr.it</a>
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*
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*/
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public class RollBackProgressUpdater extends Timer {
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protected ArrayList<RollBackProgressListener> listeners = new ArrayList<RollBackProgressListener>();
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/**
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* {@inheritDoc}
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*/
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@Override
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public void run() {
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Log.debug("requesting operation progress");
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TDGWTServiceAsync.INSTANCE
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.getRollBackMonitor(new AsyncCallback<RollBackSessionMonitor>() {
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public void onFailure(Throwable caught) {
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cancel();
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Log.error("Error retrieving the operation state",
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caught);
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String message = getStack(caught);
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fireOperationFailed(caught,
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"Failed getting operation updates", message);
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}
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public void onSuccess(RollBackSessionMonitor result) {
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Log.info("retrieved DeleteRowsMonitor: "
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+ result.getStatus());
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switch (result.getStatus()) {
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case INITIALIZING:
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Log.info("Initializing...");
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fireOperationInitializing();
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break;
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case ABORTED:
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cancel();
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Log.info("Delete Rows Operation Aborted");
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break;
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case IN_PROGRESS:
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fireOperationUpdate(result.getProgress());
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break;
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case VALIDATING_RULES:
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fireOperationValidate(result.getProgress());
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break;
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case GENERATING_VIEW:
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Log.info("Generating View...");
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fireOperationGeneratingView();
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break;
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case STOPPED:
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cancel();
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stopMessage(result);
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break;
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case FAILED:
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cancel();
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errorMessage(result);
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break;
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case SUCCEDED:
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cancel();
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Log.info("Fisnish TableId :"
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+ result.getTrId());
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fireOperationComplete(result.getTrId());
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break;
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default:
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Log.info("Unknow State");
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break;
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}
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}
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});
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}
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protected void errorMessage(RollBackSessionMonitor result) {
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Log.info("RollBack Failed");
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Throwable th = null;
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String failure = null;
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String details = null;
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if (result.getError() != null) {
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th = result.getError();
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failure = "Failed Client Library rollback";
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details = result.getError().getLocalizedMessage();
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} else {
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th = new Throwable("Failed");
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failure = "Failed Client Library rollback";
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details = "Rollback failed";
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}
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fireOperationFailed(th, failure, details);
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}
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protected void stopMessage(RollBackSessionMonitor result) {
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Log.info("RollBack Stopped");
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String failure = null;
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String details = null;
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if (result.getError() != null) {
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failure = "Stopped rollback";
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details = result.getError().getLocalizedMessage();
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} else {
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failure = "Stopped rollback";
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details = "Rollback stopped";
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}
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fireOperationStopped(result.getTrId(),failure, details);
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}
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protected String getStack(Throwable e) {
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String message = e.getLocalizedMessage() + " -> <br>";
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Throwable c = e.getCause();
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if (c != null)
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message += getStack(c);
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return message;
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}
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protected void fireOperationInitializing() {
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for (RollBackProgressListener listener : listeners)
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listener.operationInitializing();
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}
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protected void fireOperationGeneratingView() {
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for (RollBackProgressListener listener : listeners)
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listener.operationGeneratingView();
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}
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protected void fireOperationUpdate(float elaborated) {
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for (RollBackProgressListener listener : listeners)
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listener.operationUpdate(elaborated);
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}
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protected void fireOperationValidate(float elaborated) {
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for (RollBackProgressListener listener : listeners)
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listener.operationValidate(elaborated);
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}
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protected void fireOperationComplete(TRId trId) {
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for (RollBackProgressListener listener : listeners)
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listener.operationComplete(trId);
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}
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protected void fireOperationFailed(Throwable caught, String failure,
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String failureDetails) {
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for (RollBackProgressListener listener : listeners)
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listener.operationFailed(caught, failure, failureDetails);
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}
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protected void fireOperationStopped(TRId trId, String reason, String details) {
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for (RollBackProgressListener listener : listeners)
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listener.operationStopped(trId,reason, details);
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}
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/**
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* Add a new {@link RollBackProgressListener} to this
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* {@link RollBackProgressUpdater}.
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*
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* @param listener
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* the listener to add.
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*/
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public void addListener(RollBackProgressListener listener) {
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listeners.add(listener);
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}
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/**
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* Removes the specified {@link RollBackProgressListener} from this
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* {@link RollBackProgressUpdater}.
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*
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* @param listener
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* the listener to remove.
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*/
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public void removeListener(RollBackProgressListener listener) {
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listeners.remove(listener);
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}
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}
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