diff options
Diffstat (limited to 'plugins/org.eclipse.m2m.atl.emftvm/src/org/eclipse/m2m/atl/emftvm/util/EMFTVMUtil.java')
| -rw-r--r-- | plugins/org.eclipse.m2m.atl.emftvm/src/org/eclipse/m2m/atl/emftvm/util/EMFTVMUtil.java | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/plugins/org.eclipse.m2m.atl.emftvm/src/org/eclipse/m2m/atl/emftvm/util/EMFTVMUtil.java b/plugins/org.eclipse.m2m.atl.emftvm/src/org/eclipse/m2m/atl/emftvm/util/EMFTVMUtil.java index 0a290f6c..8b640014 100644 --- a/plugins/org.eclipse.m2m.atl.emftvm/src/org/eclipse/m2m/atl/emftvm/util/EMFTVMUtil.java +++ b/plugins/org.eclipse.m2m.atl.emftvm/src/org/eclipse/m2m/atl/emftvm/util/EMFTVMUtil.java @@ -1,5 +1,5 @@ /******************************************************************************* - * Copyright (c) 2011-2013 Dennis Wagelaar, Vrije Universiteit Brussel. + * Copyright (c) 2011-2015 Dennis Wagelaar, Vrije Universiteit Brussel. * 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 @@ -24,6 +24,7 @@ import java.lang.reflect.Modifier; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; +import java.util.Collections; import java.util.HashMap; import java.util.Iterator; import java.util.LinkedHashSet; @@ -159,6 +160,16 @@ public final class EMFTVMUtil { private static final Map<Class<?>, Map<Integer, Method>> METHOD_CACHE = new WeakHashMap<Class<?>, Map<Integer, Method>>(); /** + * Cache used to store the found root methods for native Java methods. + * + * @author <a href="mailto:frederic.jouault@univ-nantes.fr">Frederic Jouault</a> + * @author <a href="mailto:william.piers@obeo.fr">William Piers</a> + * @author <a href="mailto:mikael.barbero@obeo.fr">Mikael Barbero</a> + * @author <a href="mailto:dennis.wagelaar@vub.ac.be">Dennis Wagelaar</a> + */ + private static final Map<Method, Method> ROOT_METHOD_CACHE = Collections.synchronizedMap(new WeakHashMap<Method, Method>()); + + /** * Singleton {@link RegistryTypeSwitch} instance. */ private static final RegistryTypeSwitch REGISTRY_TYPE_SWITCH = new RegistryTypeSwitch(); @@ -2464,10 +2475,25 @@ public final class EMFTVMUtil { * @param method the method for which to find the root declaration * @return the root {@link Method} */ - public static Method findRootMethod(Method method) { + public static Method findRootMethod(final Method method) { if (method == null) { return null; } + Method rootMethod = ROOT_METHOD_CACHE.get(method); + if (rootMethod != null) { + return rootMethod; + } + rootMethod = findRootMethodInner(method); + ROOT_METHOD_CACHE.put(method, rootMethod); + return rootMethod; + } + + /** + * Finds the root {@link Class} declaration for the given <code>method</code>. + * @param method the method for which to find the root declaration + * @return the root {@link Method} + */ + private static Method findRootMethodInner(Method method) { final int methodModifiers = getRelevantModifiers(method); Class<?> dc = method.getDeclaringClass(); java.util.Set<Class<?>> dis = new LinkedHashSet<Class<?>>( |