Added default caching component to allow easy exchangability

src/de/tud/kom/p2psim/impl/vehicular/DefaultCachingComponent.java

+/*
+ * Copyright (c) 2005-2010 KOM – Multimedia Communications Lab
+ *
+ * This file is part of Simonstrator.KOM.
+ *
+ * Simonstrator.KOM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * PeerfactSim.KOM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with PeerfactSim.KOM.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package de.tud.kom.p2psim.impl.vehicular;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import de.tudarmstadt.maki.simonstrator.api.component.vehicular.CachingComponent;
+
+public class DefaultCachingComponent implements CachingComponent {
+	private Map<Class<? extends Object>, List<Object>> _cache = new HashMap<>();
+
+	@Override
+	public <T> List<T> getCacheEntries(Class<T> pCacheEntryClass) {
+		if (_cache.containsKey(pCacheEntryClass)) {
+			List<? extends Object> cacheEntries = _cache.get(pCacheEntryClass);
+			List<T> results = new ArrayList<>();
+
+			for (Object object : cacheEntries) {
+				results.add((T) object);
+			}
+
+			return results;
+		}
+		return null;
+	}
+
+	@Override
+	public <T> void storeCacheEntry(T pCacheEntry) {
+		if (!_cache.containsKey(pCacheEntry.getClass())) {
+			_cache.put(pCacheEntry.getClass(), new ArrayList<>());
+		}
+		_cache.get(pCacheEntry.getClass()).add(pCacheEntry);
+	}
+
+}