/*
 * Copyright (C) 2005 Alfresco, Inc.
 *
 * Licensed under the Mozilla Public License version 1.1 
 * with a permitted attribution clause. You may obtain a
 * copy of the License at
 *
 *   http://www.alfresco.org/legal/license.txt
 *
 * 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.alfresco.service.cmr.action;

import java.util.Date;
import java.util.List;

import org.alfresco.service.cmr.repository.NodeRef;


/**
 * The rule action interface
 * 
 * @author Roy Wetherall
 */
public interface Action extends ParameterizedItem
{
	/**
	 * Get the name of the action definition that relates to this action
	 * 
	 * @return	the action defintion name
	 */
	String getActionDefinitionName();
	
	/**
	 * Get the title of the action
	 * 
	 * @return  the title of the action
	 */
	String getTitle();
	
	/**
	 * Set the title of the action
	 * 
	 * @param title	the title of the action
	 */
	void setTitle(String title);
	
	/**
	 * Get the description of the action
	 * 
	 * @return	the description of the action
	 */
	String getDescription();
	
	/**
	 * Set the description of the action
	 * 
	 * @param description  the description of the action
	 */
	void setDescription(String description);
    
    /**
     * Get the node reference of the node that 'owns' this action.
     * <p>
     * The node that 'owns' the action is th one that stores it via its
     * actionable aspect association.
     * 
     * @return  node reference
     */
    NodeRef getOwningNodeRef();
	
	/**
	 * Gets a value indicating whether the action should be executed asychronously or not.
	 * <p>
	 * The default is to execute the action synchronously.
	 * 
	 * @return	true if the action is executed asychronously, false otherwise.  
	 */
	boolean getExecuteAsychronously();
	
	/**
	 * Set the value that indicates whether the action should be executed asychronously or not.
	 * 
	 * @param executeAsynchronously		true if the action is to be executed asychronously, false otherwise.
	 */
	void setExecuteAsynchronously(boolean executeAsynchronously);
	
	/**
	 * Get the compensating action.
	 * <p>
	 * This action is executed if the failure behaviour is to compensate and the action being executed 
	 * fails.
	 * 
	 * @return	the compensating action
	 */
	Action getCompensatingAction();
	
	/**
	 * Set the compensating action.
	 * 
	 * @param action	the compensating action
	 */
	void setCompensatingAction(Action action);
	
	/**
	 * Get the date the action was created
	 * 
	 * @return	action creation date
	 */
	Date getCreatedDate();
	
	/**
	 * Get the name of the user that created the action
	 * 
	 * @return	user name
	 */
	String getCreator();
	
	/**
	 * Get the date that the action was last modified
	 * 
	 * @return	aciton modification date
	 */
	Date getModifiedDate();
	
	/**
	 * Get the name of the user that last modified the action
	 * 
	 * @return	user name
	 */
	String getModifier();
	
	/**
	 * Indicates whether the action has any conditions specified
	 * 
	 * @return  true if the action has any conditions specified, flase otherwise
	 */
	boolean hasActionConditions();
	
	/**
	 * Gets the index of an action condition
	 * 
	 * @param actionCondition	the action condition
	 * @return					the index
	 */
	int indexOfActionCondition(ActionCondition actionCondition);
	
	/**
	 * Gets a list of the action conditions for this action
	 * 
	 * @return  list of action conditions
	 */
	List<ActionCondition> getActionConditions();
	
	/**
	 * Get the action condition at a given index
	 * 
	 * @param index  the index
	 * @return		 the action condition
	 */
	ActionCondition getActionCondition(int index);
	
	/**
	 * Add an action condition to the action
	 * 
	 * @param actionCondition  an action condition
	 */
	void addActionCondition(ActionCondition actionCondition);
	
	/**
	 * Add an action condition at the given index
	 * 
	 * @param index				the index
	 * @param actionCondition	the action condition
	 */
	void addActionCondition(int index, ActionCondition actionCondition);
	
	/**
	 * Replaces the current action condition at the given index with the 
	 * action condition provided.
	 * 
	 * @param index				the index
	 * @param actionCondition	the action condition
	 */
	void setActionCondition(int index, ActionCondition actionCondition);
	
	/**
	 * Removes an action condition
	 * 
	 * @param actionCondition  an action condition
	 */
	void removeActionCondition(ActionCondition actionCondition);
	
	/**
	 * Removes all action conditions 
	 */
	void removeAllActionConditions();
}