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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 - 2012 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: 7483 $
 * Last Changed:    $Date: 2012-05-11 11:57:38 -0500 (Fri, 11 May 2012) $
 * Last Changed By: $Author: [email protected] $
 */

package org.efaps.admin.datamodel.attributetype;

import java.util.ArrayList;
import java.util.List;

import org.efaps.admin.datamodel.Attribute;
import org.efaps.admin.datamodel.Dimension;
import org.efaps.admin.datamodel.Dimension.UoM;
import org.efaps.db.query.CachedResult;


/**
 * Abstract class for an attribute type with an UoM.
 *
 * @author The eFaps Team
 * @version $Id: AbstractWithUoMType.java 7483 2012-05-11 16:57:38Z [email protected] $
 */
public abstract class AbstractWithUoMType
    extends AbstractType
{
    /**
     * Read the value from the result set. Works with
     * {@link #readValue(CachedResult, int)} to return an array with the
     * values:
     * 
     * object, UoM
     * or object, UoM, Base as Double
     * 
     *
     * @param _attribute    related eFaps attribute
     * @param _rs           cached result from the JDBC select statement
     * @param _indexes      indexes in the result set
     * @return Object Array
     */
    public Object readValue(final Attribute _attribute,
                            final CachedResult _rs,
                            final List _indexes)
    {
        final Object object = readValue(_rs.getObject(_indexes.get(0)));
        final UoM uom = Dimension.getUoM(_rs.getLong(_indexes.get(1)));
        final Object[] ret;
        if (_attribute.getSqlColNames().size() > 2) {
            ret = new Object[]{object, uom, _rs.getDouble(_indexes.get(2))};
        } else {
            ret = new Object[]{object, uom};
        }
        return ret;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public Object readValue(final Attribute _attribute,
                            final List