/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.myfaces.extensions.cdi.core.api.scope.conversation;

import org.apache.myfaces.extensions.cdi.core.api.config.AttributeAware;

import java.io.Serializable;
import java.lang.annotation.Annotation;

/**
 * @author Gerhard Petracek
 */
public interface WindowContext extends AttributeAware, Serializable
{
    String CURRENT_WINDOW_CONTEXT_BEAN_NAME = "currentWindowContext";

    /**
     * @return the id of the conversation (unique for each window/tab)
     */
    Long getId();

    /**
     * TODO add: endContext to reset the window scope
     * invalidate all conversations immediately
     * attention: window scoped beans won't get destroyed.
     * currently there is no api for it.
     * (if it is needed you have to call {@link #endConversation} in combination with the
     * {@link org.apache.myfaces.extensions.cdi.core.api.scope.conversation.WindowGroup})
     */
    void endConversations();

    /**
     * @param conversationGroup group of the conversation in question
     * @param qualifiers optional qualifiers for the conversation
     * @return a new conversation for the given group
     */
    Conversation createConversation(Class conversationGroup, Annotation... qualifiers);

    /**
     * @param conversationGroup group of the conversation in question
     * @param qualifiers optional qualifiers for the conversation
     * @return a new conversation for the given group
     */
    Conversation getConversation(Class conversationGroup, Annotation... qualifiers);

    /**
     * @param conversationGroup group of the conversation in question
     * @param qualifiers optional qualifiers for the conversation
     * @return the removed conversation - null otherwise
     */
    Conversation endConversation(Class conversationGroup, Annotation... qualifiers);

    /**
     * @return configuration of the current context
     */
    WindowContextConfig getConfig();
}