ResolveAllServiceHandlerImpl.java

/*
 * Copyright 2012 PRODYNA AG
 *
 * Licensed under the Eclipse Public License (EPL), Version 1.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.opensource.org/licenses/eclipse-1.0.php or
 * http://www.nabucco.org/License.html
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.nabucco.framework.common.dynamiccode.impl.service.resolve;

import org.nabucco.framework.base.facade.datatype.visitor.DatatypeVisitor;
import org.nabucco.framework.base.facade.exception.service.ResolveException;
import org.nabucco.framework.base.facade.message.EmptyServiceMessage;
import org.nabucco.framework.base.impl.service.maintain.NabuccoQuery;
import org.nabucco.framework.common.dynamiccode.facade.datatype.DynamicCodeCodeGroup;
import org.nabucco.framework.common.dynamiccode.facade.message.DynamicCodeCodeGroupMsg;

/**
 * ResolveAllServiceHandlerImpl
 * 
 * @author Nicolas Moser, PRODYNA AG
 */
public class ResolveAllServiceHandlerImpl extends ResolveAllServiceHandler {

    private static final String QUERY = "select g from DynamicCodeCodeGroup g where g.name.value = 'nabucco'";

    private static final long serialVersionUID = 1L;

    @Override
    protected DynamicCodeCodeGroupMsg resolveAll(EmptyServiceMessage rq) throws ResolveException {

        try {
            DynamicCodeCodeGroupMsg rs = new DynamicCodeCodeGroupMsg();

            NabuccoQuery<DynamicCodeCodeGroup> query = super.getPersistenceManager().createQuery(QUERY);

            DynamicCodeCodeGroup root = query.getSingleResult();

            // Load recursive!
            root.accept(new DatatypeVisitor());

            rs.setCodeGroup(root);
            return rs;

        } catch (Exception e) {
            throw new ResolveException("Error resolving DynamicCodeCodeGroup with name 'nabucco'.", e);
        }
    }

}