1 files changed, 80 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.tcf.ui/src/org/eclipse/tcf/te/tcf/ui/internal/adapters/PeerNodeFactory.java b/target_explorer/plugins/org.eclipse.tcf.te.tcf.ui/src/org/eclipse/tcf/te/tcf/ui/internal/adapters/PeerNodeFactory.java
new file mode 100644
index 000000000..6275b7643
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.tcf.ui/src/org/eclipse/tcf/te/tcf/ui/internal/adapters/PeerNodeFactory.java
@@ -0,0 +1,80 @@
+/*******************************************************************************
+ * Copyright (c) 2012, 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.ui.internal.adapters;
+
+import java.util.concurrent.atomic.AtomicReference;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.tcf.protocol.Protocol;
+import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
+import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
+import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService;
+import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelQueryService;
+import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelRefreshService;
+import org.eclipse.tcf.te.tcf.locator.model.Model;
+import org.eclipse.tcf.te.ui.views.editor.EditorInput;
+import org.eclipse.ui.IElementFactory;
+import org.eclipse.ui.IMemento;
+import org.eclipse.ui.internal.part.NullEditorInput;
+
+/**
+ * The element factory to create an peer model editor input from a memento which is read
+ * from an external persistent storage and holds a peer id.
+ */
+@SuppressWarnings("restriction")
+public class PeerNodeFactory implements IElementFactory {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.ui.IElementFactory#createElement(org.eclipse.ui.IMemento)
+	 */
+	@Override
+	public IAdaptable createElement(IMemento memento) {
+		final AtomicReference<IPeerNode> node = new AtomicReference<IPeerNode>();
+		final String peerId = memento.getString("peerId"); //$NON-NLS-1$
+		if (peerId != null) {
+			Runnable runnable = new Runnable() {
+				@Override
+				public void run() {
+					node.set(Model.getModel().getService(IPeerModelLookupService.class).lkupPeerModelById(peerId));
+				}
+			};
+
+			Assert.isTrue(!Protocol.isDispatchThread());
+			Protocol.invokeAndWait(runnable);
+
+			// If the node is null, this might mean that the peer to restore is a dynamically discovered peer.
+			// In this case, we have to wait a little bit to give the locator service the chance to sync.
+			if (node.get() == null) {
+				// Sleep shortly
+				try { Thread.sleep(300); } catch (InterruptedException e) {}
+
+				// Refresh and try again to query the node
+				Runnable runnable2 = new Runnable() {
+					@Override
+					public void run() {
+						Model.getModel().getService(IPeerModelRefreshService.class).refresh(null);
+						node.set(Model.getModel().getService(IPeerModelLookupService.class).lkupPeerModelById(peerId));
+					}
+				};
+
+				Protocol.invokeAndWait(runnable2);
+			}
+
+			if (node.get() != null) {
+				IPeerModel model = node.get().getModel();
+				IPeerModelQueryService queryService = model.getService(IPeerModelQueryService.class);
+				queryService.queryRemoteServices(node.get());
+			}
+		}
+
+		return node.get() != null ? new EditorInput(node.get()) : new NullEditorInput();
+	}
+}