JEPLUserDataMultiThreadImpl.java

/*
   Copyright 2011 Jose Maria Arranz Santamaria

   Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0

   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 jepl.impl;

import jepl.JEPLUserData;

/**
 *
 * @author jmarranz
 */
public class JEPLUserDataMultiThreadImpl implements JEPLUserData
{
    protected JEPLUserDataMonoThreadImpl userData;

    /** Creates a new instance of JEPLUserDataMultiThreadImpl */
    public JEPLUserDataMultiThreadImpl()
    {
    }

    private JEPLUserDataMonoThreadImpl getInternalUserData()
    {
        // Es llamado siempre por métodos sincronizados, no hay problema de hilos
        if (userData == null)
            this.userData = new JEPLUserDataMonoThreadImpl(); // Para ahorrar memoria si no se usa
        return userData;
    }

    public synchronized String[] getUserDataNames()
    {
        JEPLUserDataMonoThreadImpl userData = getInternalUserData();
        return userData.getUserDataNames();
    }

    public synchronized boolean containsName(String name)
    {
        JEPLUserDataMonoThreadImpl userData = getInternalUserData();
        return userData.containsName(name);
    }

    public synchronized Object getUserData(String name)
    {
        JEPLUserDataMonoThreadImpl userData = getInternalUserData();
        return userData.getUserData(name);
    }

    @SuppressWarnings("unchecked")
    public synchronized <T> T getUserData(String name, Class<T> returnType)
    {
        return (T)getUserData(name);
    }

    public synchronized Object setUserData(String name,Object value)
    {
        JEPLUserDataMonoThreadImpl userData = getInternalUserData();
        return userData.setUserData(name,value);
    }

    public synchronized Object removeUserData(String name)
    {
        JEPLUserDataMonoThreadImpl userData = getInternalUserData();
        return userData.removeUserData(name);
    }

    @SuppressWarnings("unchecked")
    public synchronized <T> T removeUserData(String name, Class<T> returnType)
    {
        return (T)removeUserData(name);
    }

}