Examples with SaverDelegate org.apache.cayenne.project.extension.SaverDelegate used on opensource projects

Example 1 with SaverDelegate

use of org.apache.cayenne.project.extension.SaverDelegate in project cayenne by apache.

the class FileProjectSaver method save.

void save(Project project, Resource baseResource, boolean deleteOldResources) {
    Collection<ConfigurationNode> nodes = project.getRootNode().acceptVisitor(saveableNodesGetter);
    Collection<SaveUnit> units = new ArrayList<>(nodes.size());
    for (ConfigurationNode node : nodes) {
        String targetLocation = nameMapper.configurationLocation(node);
        Resource targetResource = baseResource.getRelativeResource(targetLocation);
        units.add(createSaveUnit(node, targetResource, null));
        for (ProjectExtension extension : extensions) {
            ConfigurationNodeVisitor<String> namingDelegate = extension.createNamingDelegate();
            SaverDelegate unitSaverDelegate = extension.createSaverDelegate();
            String fileName = node.acceptVisitor(namingDelegate);
            if (fileName != null) {
                // not null means that this should go to a separate file
                targetResource = baseResource.getRelativeResource(fileName);
                units.add(createSaveUnit(node, targetResource, unitSaverDelegate));
            }
        }
    }
    checkAccess(units);
    try {
        saveToTempFiles(units);
        saveCommit(units);
    } finally {
        clearTempFiles(units);
    }
    try {
        if (deleteOldResources) {
            clearRenamedFiles(units);
            Collection<URL> unusedResources = project.getUnusedResources();
            for (SaveUnit unit : units) {
                unusedResources.remove(unit.sourceConfiguration.getURL());
            }
            deleteUnusedFiles(unusedResources);
        }
    } catch (IOException ex) {
        throw new CayenneRuntimeException(ex);
    }
    // I guess we should reset projects state regardless of the value of
    // 'deleteOldResources'
    project.getUnusedResources().clear();
}