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/*******************************************************************************
* Copyright (c) 2011, 2014 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.filesystem.core.model;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.core.runtime.Assert;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.core.interfaces.IConnectable;
import org.eclipse.tcf.te.runtime.model.ContainerModelNode;
import org.eclipse.tcf.te.runtime.model.factory.Factory;
import org.eclipse.tcf.te.runtime.model.interfaces.factory.IFactory;
import org.eclipse.tcf.te.tcf.core.model.interfaces.services.IModelService;
import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.runtime.IRuntimeModel;
import org.eclipse.tcf.te.tcf.filesystem.core.nls.Messages;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
/**
* The file system model implementation.
*/
public final class RuntimeModel extends ContainerModelNode implements IRuntimeModel {
// Flag to mark the model disposed
private boolean disposed;
// Reference to the model node factory
private IFactory factory = null;
// The root node of the peer model
private FSTreeNode root;
private IPeerNode peerNode;
/**
* Create a File System ModelManager.
*/
public RuntimeModel(IPeerNode peerNode) {
disposed = false;
this.peerNode = peerNode;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.nodes.PropertiesContainer#checkThreadAccess()
*/
@Override
protected boolean checkThreadAccess() {
return Protocol.isDispatchThread();
}
/* (non-Javadoc)
* @see com.windriver.te.tcf.core.model.interfaces.IModel#dispose()
*/
@Override
public void dispose() {
Assert.isTrue(checkThreadAccess(), "Illegal Thread Access"); //$NON-NLS-1$
disposed = true;
}
/* (non-Javadoc)
* @see com.windriver.te.tcf.core.model.interfaces.IModel#isDisposed()
*/
@Override
public boolean isDisposed() {
Assert.isTrue(checkThreadAccess(), "Illegal Thread Access"); //$NON-NLS-1$
return disposed;
}
/* (non-Javadoc)
* @see com.windriver.te.tcf.core.model.interfaces.IModel#getService(java.lang.Class)
*/
@Override
@SuppressWarnings("unchecked")
public <V extends IModelService> V getService(Class<V> serviceInterface) {
Assert.isNotNull(serviceInterface);
return (V)getAdapter(serviceInterface);
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.PlatformObject#getAdapter(java.lang.Class)
*/
@SuppressWarnings("rawtypes")
@Override
public Object getAdapter(Class adapter) {
if (IPeerNode.class.isAssignableFrom(adapter) || IConnectable.class.isAssignableFrom(adapter)) {
final AtomicReference<IPeerNode> peerNode = new AtomicReference<IPeerNode>();
Protocol.invokeAndWait(new Runnable() {
@Override
public void run() {
peerNode.set(getPeerNode());
}
});
return peerNode.get();
}
return super.getAdapter(adapter);
}
/* (non-Javadoc)
* @see com.windriver.te.tcf.core.model.interfaces.IModel#setFactory(com.windriver.te.tcf.core.model.interfaces.IModelNodeFactory)
*/
@Override
public void setFactory(IFactory factory) {
Assert.isTrue(checkThreadAccess(), "Illegal Thread Access"); //$NON-NLS-1$
this.factory = factory;
}
/* (non-Javadoc)
* @see com.windriver.te.tcf.core.model.interfaces.IModel#getFactory()
*/
@Override
public IFactory getFactory() {
Assert.isTrue(checkThreadAccess(), "Illegal Thread Access"); //$NON-NLS-1$
return factory != null ? factory : Factory.getInstance();
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNodeProvider#getPeerModel()
*/
@Override
public IPeerNode getPeerNode() {
Assert.isTrue(checkThreadAccess(), "Illegal Thread Access"); //$NON-NLS-1$
return peerNode;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.runtime.model.ModelNode#toString()
*/
@Override
public String toString() {
if (disposed) {
return "*DISPOSED* : " + super.toString(); //$NON-NLS-1$
}
return super.toString();
}
/**
* Get the root node of the peer model.
*
* @return The root node.
*/
@Override
public FSTreeNode getRoot() {
if(root == null) {
root = createRoot();
}
return root;
}
/**
* Create a root node for the specified peer.
*
* @param peerNode The peer.
*/
/* default */ FSTreeNode createRoot() {
if (Protocol.isDispatchThread()) {
return createRootNode(peerNode);
}
else {
final AtomicReference<FSTreeNode> ref = new AtomicReference<FSTreeNode>();
Protocol.invokeAndWait(new Runnable() {
@Override
public void run() {
ref.set(createRoot());
}
});
return ref.get();
}
}
/**
* Create a root node for the peer.
*
* @param peerNode The peer.
* @return The root file system node.
*/
public static FSTreeNode createRootNode(IPeerNode peerNode) {
FSTreeNode node = new FSTreeNode();
node.type = "FSRootNode"; //$NON-NLS-1$
node.peerNode = peerNode;
node.name = Messages.FSTreeNodeContentProvider_rootNode_label;
return node;
}
/**
* Create a file node under the folder specified folder using the new name.
*
* @param name The file's name.
* @param folder The parent folder.
* @return The file tree node.
*/
public static FSTreeNode createFileNode(String name, FSTreeNode folder) {
return createTreeNode(name, "FSFileNode", folder); //$NON-NLS-1$
}
/**
* Create a folder node under the folder specified folder using the new name.
*
* @param name The folder's name.
* @param folder The parent folder.
* @return The folder tree node.
*/
public static FSTreeNode createFolderNode(String name, FSTreeNode folder) {
return createTreeNode(name, "FSDirNode", folder); //$NON-NLS-1$
}
/**
* Create a tree node under the folder specified folder using the new name.
*
* @param name The tree node's name.
* @param type The new node's type.
* @param folder The parent folder.
* @return The tree node.
*/
private static FSTreeNode createTreeNode(String name, String type, FSTreeNode folder) {
FSTreeNode node = new FSTreeNode();
node.name = name;
node.parent = folder;
node.peerNode = folder.peerNode;
node.type = type;
return node;
}
}
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