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/*******************************************************************************
 * Copyright (c) 2006, 2009 Wind River Systems and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     Wind River Systems - initial API and implementation
 *******************************************************************************/
package org.eclipse.cdt.dsf.ui.viewmodel;

import org.eclipse.cdt.dsf.concurrent.ThreadSafe;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IColumnPresentationFactory;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementContentProvider;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxyFactory;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerInputProvider;

/**
 * The View Model adapter handles the layout of a given data model within a
 * set of viewers.  This adapter should be returned by an adapter factory for
 * the input object of the viewer, and this adapter implementation will then
 * populate the view contents.
 *
 * @since 1.0
 */
@ThreadSafe
public interface IVMAdapter
		extends IElementContentProvider, IModelProxyFactory, IColumnPresentationFactory, IViewerInputProvider {
	/**
	 * Returns the View Model Provider that is registered for the given presentation
	 * context.  Returns <code>null</code> if there is none.
	 */
	public IVMProvider getVMProvider(IPresentationContext presentationContext);

	/**
	 * Retrieves the currently active VM providers in this adapter.
	 *
	 * @return array of VM providers
	 *
	 * @since 2.0
	 */
	public IVMProvider[] getActiveProviders();

}

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