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eFaps is a framework used to map objects with or without attached files to a relational database and optional file systems (only for attaches files). Configurable access control can be provided down to object and attribute level depending on implementation and use case. Depending on requirements, events (like triggers) allow to implement business logic and to separate business logic from user interface. The framework includes integrations (e.g. webdav, full text search) and a web application as 'simple' configurable user interface. Some best practises, example web application modules (e.g. team work module) support administrators and implementers using this framework.

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/*
 * Copyright 2003 - 2011 The eFaps Team
 *
 * 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.
 *
 * Revision:        $Rev: 6210 $
 * Last Changed:    $Date: 2011-02-18 16:02:56 -0500 (Fri, 18 Feb 2011) $
 * Last Changed By: $Author: [email protected] $
 */

package org.efaps.importer;

import java.util.Map;
import java.util.Set;

/**
 * Abstract Class for Importing Objects into the Database connected to eFaps.
 *
 * @author The eFaps Team
 * @version $Id: AbstractObject.java 6210 2011-02-18 21:02:56Z [email protected] $
 */
public abstract class AbstractObject
{
    /**
     * Returns the links of the object.
     *
     * @return Set with the ForeignObjects connected to this Object
     */
    public abstract Set getLinks();

    /**
     * Returns the type of the object.
     *
     * @return type of the object
     */
    public abstract String getType();

    /**
     * Returns the value of an attribute.
     *
     * @param _attribute    attribute of the searched value
     * @return object with the Value, null if the attribute does
     *         not exist
     */
    public abstract Object getAttribute(final String _attribute);

    /**
     * Returns the map with all attributes.
     *
     * @return map containing all Attributes
     */
    public abstract Map getAttributes();

    /**
     * Returns the id of the object.
     *
     * @return string with the id of the object
     */
    public abstract long getID();

    /**
     * Sets the id of the object.
     *
     * @param _id   new id of the object
     */
    public abstract void setID(final long _id);

    /**
     * Returns the attribute which contains the parent-child relationship.
     *
     * @return String with the Name of the Attribute
     */
    public abstract String getParrentAttribute();

    /**
     * Has the object a checkin object?
     *
     * @return true if so, otherwise false
     */
    public abstract boolean isCheckinObject();

    /**
     * Returns the unique attributes.
     *
     * @return set of the unique attributes
     */
    public abstract Set getUniqueAttributes();

    /**
     * Has the Object children?
     *
     * @return true if the Object has children, otherwise false
     */
    public abstract boolean hasChilds();

    /**
     * File is checked into the object.
     */
    public abstract void dbCheckObjectIn();

    /**
     * Appends in eFaps all children.
     */
    public abstract void dbAddChilds();

    /**
     * Create or update of the object in eFaps.
     *
     * @param _parent   Parent-Object of this Object
     * @param _id       id of the Object to be updated, if an empty string is
     *                  given an insert will be made
     * @return string with the id of the new or updated object
     */
    public abstract long dbUpdateOrInsert(final AbstractObject _parent,
                                          final long _id);
}