/*
* (c) Copyright 2010-2011 AgileBirds
*
* This file is part of OpenFlexo.
*
* OpenFlexo 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
* (at your option) any later version.
*
* OpenFlexo 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 OpenFlexo. If not, see <http://www.gnu.org/licenses/>.
*
*/
package org.openflexo.generator.rm;
import java.util.Date;
import java.util.Enumeration;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.openflexo.foundation.DataModification;
import org.openflexo.foundation.FlexoObservable;
import org.openflexo.foundation.FlexoObserver;
import org.openflexo.foundation.ie.ComponentInstance;
import org.openflexo.foundation.ie.cl.ComponentDefinition;
import org.openflexo.foundation.ie.dm.ComponentDeleted;
import org.openflexo.foundation.ie.dm.ComponentNameChanged2;
import org.openflexo.foundation.rm.FlexoDMResource;
import org.openflexo.foundation.rm.FlexoProject;
import org.openflexo.foundation.rm.FlexoProjectBuilder;
import org.openflexo.foundation.rm.FlexoResource;
import org.openflexo.foundation.rm.cg.WOFileResource;
import org.openflexo.generator.FlexoComponentResourceGenerator;
import org.openflexo.generator.TemplateLocator;
import org.openflexo.generator.cg.CGWOFile;
import org.openflexo.generator.ie.ComponentGenerator;
import org.openflexo.logging.FlexoLogger;
/**
* @author sylvain
*
*/
public abstract class ComponentWOFileResource<G extends FlexoComponentResourceGenerator> extends WOFileResource<G, CGWOFile> implements
GenerationAvailableFileResource, ComponentFileResource, FlexoObserver {
protected static final Logger logger = FlexoLogger.getLogger(ComponentWOFileResource.class.getPackage().getName());
protected boolean isObserverRegistered = false;
/**
* @param builder
*/
public ComponentWOFileResource(FlexoProjectBuilder builder) {
super(builder);
}
/**
* @param aProject
*/
public ComponentWOFileResource(FlexoProject aProject) {
super(aProject);
}
@Override
protected ComponentWOFile createGeneratedResourceData() {
return new ComponentWOFile(getFile(), this);
}
@Override
public ComponentWOFile getGeneratedResourceData() {
return (ComponentWOFile) super.getGeneratedResourceData();
}
@Override
public ComponentDefinition getComponentDefinition() {
if (getGenerator() != null) {
return getGenerator().getComponentDefinition();
}
return null;
}
/**
* Return dependancy computing between this resource, and an other resource, asserting that this resource is contained in this
* resource's dependant resources
*
* @param resource
* @param dependancyScheme
* @return
*/
@Override
public boolean optimisticallyDependsOf(FlexoResource resource, Date requestDate) {
if (resource instanceof TemplateLocator) {
return ((TemplateLocator) resource).needsUpdateForResource(this);
} else if (resource instanceof FlexoDMResource) {
FlexoDMResource dmRes = (FlexoDMResource) resource;
if (dmRes.isLoaded() && getComponentDefinition() != null && getComponentDefinition().getComponentDMEntity() != null) {
if (!requestDate.before(getComponentDefinition().getComponentDMEntity().getLastUpdate())) {
if (logger.isLoggable(Level.FINER)) {
logger.finer("OPTIMIST DEPENDANCY CHECKING for WO COMPONENT " + getComponentDefinition().getName());
}
return false;
}
}
}
return super.optimisticallyDependsOf(resource, requestDate);
}
/**
* Rebuild resource dependancies for this resource
*/
@Override
public void rebuildDependancies() {
super.rebuildDependancies();
if (getComponentDefinition() != null) {
addToDependentResources(getProject().getFlexoDMResource());
addToDependentResources(getComponentDefinition().getComponentResource());
if (getComponentDefinition().getWOComponent() != null) {
for (Enumeration en = getComponentDefinition().getWOComponent().getAllComponentInstances().elements(); en.hasMoreElements();) {
ComponentInstance ci = (ComponentInstance) en.nextElement();
if (ci.getComponentDefinition() != null) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("Found dependancy between " + this + " and " + ci.getComponentDefinition().getComponentResource());
}
addToDependentResources(ci.getComponentDefinition().getComponentResource());
} else {
if (logger.isLoggable(Level.WARNING)) {
logger.warning("Inconsistant data: ComponentInstance refers to an unknown ComponentDefinition "
+ ci.getComponentName());
}
}
}
}
}
}
@Override
public void update(FlexoObservable observable, DataModification dataModification) {
if (observable == getComponentDefinition()) {
if (dataModification instanceof ComponentNameChanged2) {
logger.info("Building new resource after renaming");
ComponentGenerator generator = (ComponentGenerator) getGenerator();
setGenerator(null);
getCGFile().setMarkedForDeletion(true);
generator.refreshConcernedResources();
generator.generate(true);
generator.getRepository().refresh();
observable.deleteObserver(this);
isObserverRegistered = false;
} else if (dataModification instanceof ComponentDeleted) {
logger.info("Handle component has been deleted");
setGenerator(null);
getCGFile().setMarkedForDeletion(true);
getCGFile().getRepository().refresh();
observable.deleteObserver(this);
isObserverRegistered = false;
}
}
}
}