org.eclipse.osbp.infogrid.vaaclipse/src/org/eclipse/osbp/infogrid/vaaclipse/ContentCache.java

/**
 *                                                                            
 * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 *                                                                            
 * All rights reserved. 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:   
 * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation 
 */
 package org.eclipse.osbp.infogrid.vaaclipse;

import java.util.HashMap;
import java.util.Map;

import org.eclipse.osbp.runtime.common.dispose.AbstractDisposable;
import org.eclipse.osbp.infogrid.vaadin.GridComponent;

public class ContentCache extends AbstractDisposable {

	private Map<Class<?>, GridComponent> cache = new HashMap<>();

	public GridComponent getActiveContent(Class<?> rootClass) {
		checkDisposed();
		return cache.get(rootClass);
	}

	public void putActiveContent(Class<?> rootClass, GridComponent content) {
		checkDisposed();
		cache.put(rootClass, content);
	}

	public boolean containsContent(Class<?> rootClass) {
		return cache.containsKey(rootClass);
	}

	@Override
	protected void internalDispose() {
		for (GridComponent comp : cache.values()) {
			comp.dispose();
		}

		cache.clear();
		cache = null;
	}

}