/**
* Copyright (C) 2010 STMicroelectronics
*
* This file is part of "Mind Compiler" is free software: you can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Contact: mind@ow2.org
*
* Authors: Matthieu Leclercq
* Contributors:
*/
package org.ow2.mind.adl;
import java.util.HashMap;
import java.util.Map;
import org.objectweb.fractal.adl.ADLException;
import org.objectweb.fractal.adl.Definition;
import org.objectweb.fractal.adl.Node;
import org.objectweb.fractal.adl.NodeUtil;
import org.ow2.mind.adl.annotation.ADLLoaderPhase;
import org.ow2.mind.adl.annotation.AbstractADLLoaderAnnotationProcessor;
import org.ow2.mind.adl.annotation.predefined.Singleton;
import org.ow2.mind.adl.ast.ASTHelper;
import org.ow2.mind.adl.ast.Component;
import org.ow2.mind.adl.ast.ComponentContainer;
import org.ow2.mind.annotation.Annotation;
import org.ow2.mind.annotation.AnnotationHelper;
public class SingletonAnnotationProcessor
extends
AbstractADLLoaderAnnotationProcessor {
// ---------------------------------------------------------------------------
// Implementation of the ADLLoaderAnnotationProcessor interface
// ---------------------------------------------------------------------------
public Definition processAnnotation(final Annotation annotation,
final Node node, final Definition definition, final ADLLoaderPhase phase,
final Map<Object, Object> context) throws ADLException {
assert annotation instanceof Singleton;
if (phase == ADLLoaderPhase.AFTER_CHECKING
|| phase == ADLLoaderPhase.AFTER_TEMPLATE_INSTANTIATE) {
ASTHelper.setSingletonDecoration(definition);
checkDuplicatedSingleton(definition, new HashMap<Definition, Node>(),
context);
} else if (phase == ADLLoaderPhase.ON_SUB_COMPONENT) {
final Component subComp = NodeUtil.castNodeError(node, Component.class);
if (!ASTHelper.isSingleton(definition)) {
// The definition contains a sub-component that is a singleton but is
// not marked as singleton itself. raise a warning
errorManagerItf.logWarning(ADLErrors.WARNING_SINGLETON_SUB_COMPONENT,
subComp, subComp.getName());
AnnotationHelper.addAnnotation(definition, new Singleton());
}
} else if (phase == ADLLoaderPhase.ON_TEMPLATE_SUB_COMPONENT) {
if (!ASTHelper.isSingleton(definition)) {
// The template definition contains a sub-component that is a singleton
// but is not marked as singleton itself.
AnnotationHelper.addAnnotation(definition, new Singleton());
}
}
return null;
}
protected void checkDuplicatedSingleton(final Definition definition,
final Map<Definition, Node> singletonDefs,
final Map<Object, Object> context) throws ADLException {
if (definition instanceof ComponentContainer) {
for (final Component subComp : ((ComponentContainer) definition)
.getComponents()) {
final Definition subCompDef = ASTHelper.getResolvedComponentDefinition(
subComp, loaderItf, context);
if (ASTHelper.isSingleton(subCompDef)) {
final Node previousUse = singletonDefs.get(subCompDef);
if (previousUse != null) {
errorManagerItf.logError(
ADLErrors.INVALID_SUB_COMPONENT_DUPLICATE_SINGLETON, subComp,
subComp.getName(), subCompDef.getName(),
previousUse.astGetSource());
continue;
}
singletonDefs.put(subCompDef, subComp);
}
}
}
}
}