com.nextep.datadesigner.vcs.impl.ContainerMerger.java Source code

Introduction

Here is the source code for com.nextep.datadesigner.vcs.impl.ContainerMerger.java

Source

/*******************************************************************************
 * Copyright (c) 2011 neXtep Software and contributors.
 * All rights reserved.
 *
 * This file is part of neXtep designer.
 *
 * NeXtep designer 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 any later version.
 *
 * NeXtep designer 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *     neXtep Softwares - initial API and implementation
 *******************************************************************************/
/**
 *
 */
package com.nextep.datadesigner.vcs.impl;

import java.util.Collections;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.nextep.datadesigner.model.IReferenceable;
import com.nextep.designer.vcs.model.IActivity;
import com.nextep.designer.vcs.model.IComparisonItem;
import com.nextep.designer.vcs.model.IImportPolicy;
import com.nextep.designer.vcs.model.IVersionContainer;
import com.nextep.designer.vcs.model.IVersionable;

/**
 * @author Christophe Fondacci
 *
 */
public class ContainerMerger extends MergerWithChildCollections {
    private static final Log log = LogFactory.getLog(ContainerMerger.class);
    public static final String ATTR_SHORTNAME = "Short name";
    public static final String CATEGORY_CONTENTS = "Contents";

    /**
     * @see com.nextep.designer.vcs.model.IMerger#doCompare(com.nextep.datadesigner.model.IReferenceable, com.nextep.datadesigner.model.IReferenceable)
     */
    @Override
    public IComparisonItem doCompare(IReferenceable source, IReferenceable target) {
        IVersionContainer srcContainer = (IVersionContainer) source;
        IVersionContainer tgtContainer = (IVersionContainer) target;

        IComparisonItem result = new ComparisonResult(source, target, getMergeStrategy().getComparisonScope());
        compareName(result, srcContainer, tgtContainer);
        result.addSubItem(
                new ComparisonAttribute(ATTR_SHORTNAME, srcContainer == null ? null : srcContainer.getShortName(),
                        tgtContainer == null ? null : tgtContainer.getShortName()));
        listCompare(CATEGORY_CONTENTS, result,
                srcContainer == null ? Collections.EMPTY_LIST : srcContainer.getContents(),
                tgtContainer == null ? Collections.EMPTY_LIST : tgtContainer.getContents());
        return result;
    }

    /**
     * @see com.nextep.datadesigner.vcs.impl.Merger#fillObject(java.lang.Object, com.nextep.designer.vcs.model.IComparisonItem)
     */
    @Override
    protected Object fillObject(Object target, IComparisonItem result, IActivity activity) {
        IVersionContainer c = (IVersionContainer) target;
        log.debug("Starting container <" + c.getName() + "> fill");
        fillName(result, c);
        if (c.getName() == null || "".equals(c.getName())) {
            return null;
        }
        c.setShortName(getStringProposal(ATTR_SHORTNAME, result));
        save(c);
        // Building merged contents
        List<?> contents = getMergedList(CATEGORY_CONTENTS, result, activity);
        //      // Removing all contents first
        //      log.debug("Removing container contents...");
        //      for(IVersionable<?> v : c.getContents()) {
        //         VersionHelper.removeVersionable(v);
        //      }
        // Adding versionable to our container.
        // Since the container should be empty, we define an "add only" policy
        log.debug("Adding merged contents");
        IImportPolicy policy = new ImportPolicyAddOnly();
        for (Object item : contents) {
            IVersionable<?> v = (IVersionable<?>) item;
            if (v != null) {
                //            c.addVersionable(v, policy);
                save(v);
                c.getContents().add(v);
                v.setContainer(c);
            }
        }
        save(c);
        log.info("Merged container <" + c.getName() + ">: Success!");
        return c;
    }
    //   /**
    //    * @see com.nextep.designer.vcs.model.IMerger#merge(com.nextep.designer.vcs.model.IReferenceable, com.nextep.designer.vcs.model.IReferenceable)
    //    */
    //   @Override
    //   public void merge(IComparisonItem item) {
    //      // TODO Auto-generated method stub
    //
    //   }

}