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/*******************************************************************************
* Copyright (c) 2013 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.locator.steps;
import java.util.concurrent.TimeoutException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.osgi.util.NLS;
import org.eclipse.tcf.protocol.IPeer;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.callback.Callback;
import org.eclipse.tcf.te.runtime.concurrent.util.ExecutorsUtil;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
import org.eclipse.tcf.te.runtime.utils.ProgressHelper;
import org.eclipse.tcf.te.runtime.utils.StatusHelper;
import org.eclipse.tcf.te.tcf.core.Tcf;
import org.eclipse.tcf.te.tcf.locator.activator.CoreBundleActivator;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModelProperties;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.ILocatorModelRefreshService;
import org.eclipse.tcf.te.tcf.locator.model.Model;
import org.eclipse.tcf.te.tcf.locator.nls.Messages;
/**
* WaitForReadyStep
*/
public class WaitForReadyStep extends AbstractPeerModelStep {
/**
* Constructor.
*/
public WaitForReadyStep() {
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#validateExecute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void validateExecute(IStepContext context, IPropertiesContainer data, IFullQualifiedId fullQualifiedId, IProgressMonitor monitor) throws CoreException {
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.interfaces.IStep#execute(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
*/
@Override
public void execute(final IStepContext context, final IPropertiesContainer data, final IFullQualifiedId fullQualifiedId, final IProgressMonitor monitor, final ICallback callback) {
// Trigger a refresh of the model to read in the newly created static peer
final ILocatorModelRefreshService service = Model.getModel().getService(ILocatorModelRefreshService.class);
if (service != null && !Boolean.getBoolean("WaitForReadyStep.skip")) { //$NON-NLS-1$
Protocol.invokeLater(new Runnable() {
final Runnable thisRunnable = this;
int refreshCount = 0;
@Override
public void run() {
if (ProgressHelper.isCancel(WaitForReadyStep.this, monitor, callback)) {
return;
}
else if (refreshCount >= getTotalWork(context, data)) {
@SuppressWarnings("synthetic-access")
String message = NLS.bind(Messages.WaitForReadyStep_error_timeout, getActivePeerContext(context, data, fullQualifiedId).getName());
callback(data, fullQualifiedId, callback, StatusHelper.getStatus(new TimeoutException(message)), null);
}
else if (getActivePeerModelContext(context, data, fullQualifiedId).isProperty(IPeerModelProperties.PROP_STATE, IPeerModelProperties.STATE_WAITING_FOR_READY)) {
// Refresh the model now (must be executed within the TCF dispatch thread)
service.refresh(new Callback() {
@Override
protected void internalDone(Object caller, org.eclipse.core.runtime.IStatus status) {
refreshCount++;
ProgressHelper.worked(monitor, 1);
Protocol.invokeLater(refreshCount < 20 ? 500 : 1000, thisRunnable);
}
});
}
else {
int state = getActivePeerModelContext(context, data, fullQualifiedId).getIntProperty(IPeerModelProperties.PROP_STATE);
if (state == IPeerModelProperties.STATE_CONNECTED || state == IPeerModelProperties.STATE_REACHABLE) {
Object wait = getParameters().get("wait"); //$NON-NLS-1$
if (wait != null) {
try {
int waitValue = Integer.parseInt(wait.toString());
ExecutorsUtil.waitAndExecute(waitValue, null);
}
catch (Exception e) {
}
}
callback(data, fullQualifiedId, callback, Status.OK_STATUS, null);
}
else {
@SuppressWarnings("synthetic-access")
String message = NLS.bind(Messages.WaitForReadyStep_error_state, getActivePeerContext(context, data, fullQualifiedId).getName());
String cause = null;
if (state == IPeerModelProperties.STATE_ERROR) {
cause = getActivePeerModelContext(context, data, fullQualifiedId).getStringProperty(IPeerModelProperties.PROP_LAST_SCANNER_ERROR);
}
if (cause != null && !"".equals(cause.trim())) { //$NON-NLS-1$
message += NLS.bind(Messages.WaitForReadyStep_error_reason_cause, cause);
} else {
message += Messages.WaitForReadyStep_error_reason_unknown;
}
callback(data, fullQualifiedId, callback, StatusHelper.getStatus(new CoreException(new Status(IStatus.ERROR, CoreBundleActivator.getUniqueIdentifier(), message))), null);
}
}
}
});
}
else {
callback(data, fullQualifiedId, callback, Status.OK_STATUS, null);
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.steps.AbstractStep#getTotalWork(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer)
*/
@Override
public int getTotalWork(IStepContext context, IPropertiesContainer data) {
return 100;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.stepper.steps.AbstractStep#rollback(org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext, org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer, org.eclipse.core.runtime.IStatus, org.eclipse.tcf.te.runtime.stepper.interfaces.IFullQualifiedId, org.eclipse.core.runtime.IProgressMonitor, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
*/
@Override
public void rollback(IStepContext context, IPropertiesContainer data, IStatus status, IFullQualifiedId fullQualifiedId, IProgressMonitor monitor, ICallback callback) {
final IPeer peer = getActivePeerContext(context, data, fullQualifiedId);
Protocol.invokeAndWait(new Runnable() {
@Override
public void run() {
Tcf.getChannelManager().shutdown(peer);
}
});
super.rollback(context, data, status, fullQualifiedId, monitor, callback);
}
}
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