/*
 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.jboss.webbeans.environment.se.processing.frame;

import org.jboss.webbeans.context.AbstractBeanMapContext;
import org.jboss.webbeans.context.beanmap.BeanMap;
import org.jboss.webbeans.context.beanmap.SimpleBeanMap;

import java.util.concurrent.atomic.AtomicBoolean;

/**
 * A context which only remains as long as the current frame is being rendered.
 * The implementation of this context is copied from
 * org.jboss.webbeans.context.ApplicationContext, the only difference will be
 * that many instance of this context are created per application instance.
 *
 * @author Nicklas Karlsson
 * @author Peter Royle
 *
 */
public class FrameContext
    extends AbstractBeanMapContext
{
    public static FrameContext INSTANCE = new FrameContext(  );

    // The beans
    private BeanMap beanMap;

    // Is the context active?
    private AtomicBoolean active;

    /**
     * Constructor
     */
    protected FrameContext(  )
    {
        super( FrameScoped.class );
        this.active = new AtomicBoolean( true );
        this.beanMap = new SimpleBeanMap(  );
    }

    /**
     * Gets the bean map
     *
     * @return The bean map
     */
    @Override
    public BeanMap getBeanMap(  )
    {
        return this.beanMap;
    }

    /**
     * Sets the bean map
     *
     * @param applicationBeanMap The bean map
     */
    public void setBeanMap( BeanMap applicationBeanMap )
    {
        this.beanMap = applicationBeanMap;
    }

    /**
     * Indicates if the context is active
     *
     * @return True if active, false otherwise
     */
    @Override
    public boolean isActive(  )
    {
        return active.get(  );
    }

    /**
     * Sets the active state of the context
     *
     * @param active The new state
     */
    @Override
    public void setActive( boolean active )
    {
        this.active.set( active );
    }

    @Override
    public String toString(  )
    {
        String active = isActive(  ) ? "Active " : "Inactive ";
        String beanMapInfo = ( getBeanMap(  ) == null ) ? "" : getBeanMap(  ).toString(  );

        return active + "application context " + beanMapInfo;
    }
}
