[jboss-cvs] container/src/main/org/jboss/metadata/plugins/repository/basic ...

[Adrian B. <adr...@jb...>]

  User: adrian  
  Date: 06/07/10 08:18:50

  Added:       src/main/org/jboss/metadata/plugins/repository/basic 
                        BasicMetaDataRepository.java
  Log:
  [JBMICROCONT-70] - Scoped metadata and basic repository
  
  Revision  Changes    Path
  1.1      date: 2006/07/10 12:18:50;  author: adrian;  state: Exp;container/src/main/org/jboss/metadata/plugins/repository/basic/BasicMetaDataRepository.java
  
  Index: BasicMetaDataRepository.java
  ===================================================================
  /*
  * JBoss, Home of Professional Open Source
  * Copyright 2006, JBoss Inc., and individual contributors as indicated
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  *
  * This 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 2.1 of
  * the License, or (at your option) any later version.
  *
  * This software 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 software; if not, write to the Free
  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */
  package org.jboss.metadata.plugins.repository.basic;
  
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  import java.util.concurrent.ConcurrentHashMap;
  
  import org.jboss.metadata.plugins.repository.AbstractMetaDataRepository;
  import org.jboss.metadata.plugins.repository.visitor.ChildrenMetaDataRepositoryVisitor;
  import org.jboss.metadata.spi.repository.MutableMetaDataRepository;
  import org.jboss.metadata.spi.repository.visitor.MetaDataRepositoryVisitor;
  import org.jboss.metadata.spi.retrieval.MetaDataRetrieval;
  import org.jboss.metadata.spi.scope.ScopeKey;
  
  /**
   * BasicMetaDataRepository.
   * 
   * @author <a href="ad...@jb...">Adrian Brock</a>
   * @version $Revision: 1.1 $
   */
  public class BasicMetaDataRepository extends AbstractMetaDataRepository implements MutableMetaDataRepository
  {
     /** The retrievals */
     private Map<ScopeKey, MetaDataRetrieval> retrievals = new ConcurrentHashMap<ScopeKey, MetaDataRetrieval>();
     
     public MetaDataRetrieval getMetaDataRetrieval(ScopeKey key)
     {
        return retrievals.get(key);
     }
  
     public Set<ScopeKey> getChildren(ScopeKey key)
     {
        if (key == null)
           return retrievals.keySet();
        
        ChildrenMetaDataRepositoryVisitor visitor = new ChildrenMetaDataRepositoryVisitor(key);
        return matchScopes(visitor);
     }
  
     public Set<ScopeKey> matchScopes(MetaDataRepositoryVisitor visitor)
     {
        Set<ScopeKey> result = new HashSet<ScopeKey>();
        for (ScopeKey repositoryKey : retrievals.keySet())
        {
           if (visitor.matchScope(this, repositoryKey))
              result.add(repositoryKey);
        }
        return result;
     }
     
     public MetaDataRetrieval addMetaDataRetrieval(MetaDataRetrieval retrieval)
     {
        if (retrieval == null)
           throw new IllegalArgumentException("Null retrieval");
        ScopeKey key = retrieval.getScope();
        key.freeze();
        return retrievals.put(key, retrieval);
     }
  
     public MetaDataRetrieval removeMetaDataRetrieval(ScopeKey key)
     {
        if (key == null)
           throw new IllegalArgumentException("Null key");
        return retrievals.remove(key);
     }
  }