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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.
/*
* 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.update.schema.datamodel;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.efaps.ci.CIAdminDataModel;
import org.efaps.db.Insert;
import org.efaps.db.Instance;
import org.efaps.db.InstanceQuery;
import org.efaps.db.QueryBuilder;
import org.efaps.db.Update;
import org.efaps.update.AbstractUpdate;
import org.efaps.update.UpdateLifecycle;
import org.efaps.update.util.InstallationException;
import org.efaps.util.EFapsException;
/**
* Handles the import / update of dimensions for eFaps read from a XML
* configuration item file.
*
* @author The eFaps Team
* @version $Id: DimensionUpdate.java 7483 2012-05-11 16:57:38Z [email protected] $
*/
public class DimensionUpdate
extends AbstractUpdate
{
/**
* Default constructor to initialize this dimension update instance for
* given _url.
*
* @param _url URL of the file
*/
public DimensionUpdate(final URL _url)
{
super(_url, "Admin_DataModel_Dimension");
}
/**
* Creates new instance of class {@link DimensionUpdate}.
*
* @return new definition instance
* @see DimensionUpdate
*/
@Override
protected AbstractDefinition newDefinition()
{
return new DimensionDefinition();
}
/**
* Handles the related unit of measure definition for one version of a
* dimension.
*/
public class UoMDefinition
extends AbstractDefinition
{
/**
* Numerator for this UoM.
*/
private String numerator;
/**
* Denominator for this UoM.
*/
private String denominator;
/**
* Is this UoM the base UoM.
*/
private boolean base;
/**
* {@inheritDoc}
*/
@Override
protected void readXML(final List _tags,
final Map _attributes,
final String _text)
{
final String value = _tags.get(0);
if ("numerator".equals(value)) {
this.numerator = _text;
} else if ("denominator".equals(value)) {
this.denominator = _text;
} else if ("base".equals(value)) {
this.base = "true".equalsIgnoreCase(_text);
} else {
super.readXML(_tags, _attributes, _text);
}
}
/**
* For given type defined with the instance parameter, this attribute is
* searched by name. If the attribute exists, the attribute is updated.
* Otherwise the attribute is created for this type.
*
* @param _instance type instance to update with this attribute
* @throws InstallationException on error
*/
protected void updateInDB(final Instance _instance)
throws InstallationException
{
try {
final QueryBuilder queryBldr = new QueryBuilder(CIAdminDataModel.UoM);
queryBldr.addWhereAttrEqValue(CIAdminDataModel.UoM.Dimension, _instance.getId());
queryBldr.addWhereAttrEqValue(CIAdminDataModel.UoM.Name, getValue("Name"));
final InstanceQuery query = queryBldr.getQuery();
query.executeWithoutAccessCheck();
Update update;
if (query.next()) {
update = new Update(query.getCurrentValue());
} else {
update = new Insert(CIAdminDataModel.UoM);
update.add(CIAdminDataModel.UoM.Dimension, _instance.getId());
update.add(CIAdminDataModel.UoM.Name, getValue("Name"));
}
update.add(CIAdminDataModel.UoM.Numerator, this.numerator);
update.add(CIAdminDataModel.UoM.Denominator, this.denominator);
update.executeWithoutAccessCheck();
if (this.base) {
final Update dimUp = new Update(_instance);
dimUp.add("BaseUoM", "" + update.getInstance().getId());
dimUp.executeWithoutAccessCheck();
dimUp.close();
}
update.close();
} catch (final EFapsException e) {
throw new InstallationException("Dimension can not be updated in DB", e);
}
}
}
/**
* Handles the definition of one version for a dimension defined within XML
* configuration item file.
*/
public class DimensionDefinition
extends AbstractDefinition
{
/**
* All attributes of the type are stored in this list.
*
* @see #updateInDB
* @see #addAttribute
*/
private final List uoms = new ArrayList();
/**
* Current read attribute definition instance.
*
* @see #readXML(List, Map, String)
*/
private UoMDefinition curUoM = null;
/**
* The description for this Dimension.
*/
private String description;
/**
* {@inheritDoc}
*/
@Override
protected void readXML(final List _tags,
final Map _attributes,
final String _text)
{
final String value = _tags.get(0);
if ("description".equals(value)) {
this.description = _text;
} else if ("uom".equals(value)) {
if (_tags.size() == 1) {
this.curUoM = new UoMDefinition();
this.uoms.add(this.curUoM);
} else {
this.curUoM.readXML(_tags.subList(1, _tags.size()), _attributes, _text);
}
} else {
super.readXML(_tags, _attributes, _text);
}
}
/**
* Overwritten to set the description.
*
* @see org.efaps.update.AbstractUpdate.AbstractDefinition#createInDB(org.efaps.db.Insert)
* @param _insert insert to be executed
* @throws InstallationException on error
*/
@Override
protected void createInDB(final Insert _insert)
throws InstallationException
{
final String name = super.getValue("Name");
try {
_insert.add(CIAdminDataModel.Dimension.Name, (name == null) ? "-" : name);
} catch (final EFapsException e) {
throw new InstallationException("Name attribute could not be defined", e);
}
try {
_insert.add(CIAdminDataModel.Dimension.Description, this.description == null ? "-" : this.description);
} catch (final EFapsException e) {
throw new InstallationException("Description attribute could not be defined", e);
}
AbstractUpdate.LOG.info(" Insert " + _insert.getInstance().getType().getName() + " '" + name + "'");
try {
_insert.executeWithoutAccessCheck();
} catch (final EFapsException e) {
throw new InstallationException("Insert failed", e);
}
setInstance(_insert.getInstance());
}
/**
* Only in the life cycle step {@link UpdateLifecycle#EFAPS_UPDATE} the
* {@link #description} and the {@link #uoms} are updated.
*
* @param _step current step of the update life cycle
* @param _allLinkTypes set of all links
* @throws InstallationException on error
* @see #uoms
*/
@Override
public void updateInDB(final UpdateLifecycle _step,
final Set _allLinkTypes)
throws InstallationException
{
if (_step == UpdateLifecycle.EFAPS_UPDATE) {
addValue(CIAdminDataModel.Dimension.Description.name, this.description);
}
super.updateInDB(_step, _allLinkTypes);
if (_step == UpdateLifecycle.EFAPS_UPDATE) {
for (final UoMDefinition uom : this.uoms) {
uom.updateInDB(getInstance());
}
}
}
}
}