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https://github.com/Alfresco/alfresco-community-repo.git
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Added component to manage unique property triplets
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@16434 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
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/*
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* Copyright (C) 2005-2009 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.repo.props;
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import java.io.Serializable;
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import org.alfresco.repo.domain.propval.PropertyValueDAO;
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import org.alfresco.util.Pair;
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import org.alfresco.util.PropertyCheck;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* This component provides a clearer distinction between shared and unshared properties and
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* avoids the need to access the DAO, which is much more obscure and potentially harmful.
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*
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* @author Derek Hulley
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* @since 3.2
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*/
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public class PropertyValueComponentImpl implements PropertyValueComponent
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{
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private static final Log logger = LogFactory.getLog(PropertyValueComponentImpl.class);
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private PropertyValueDAO propertyValueDAO;
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/**
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* Set the underlying DAO that manipulates the database data
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*/
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public void setPropertyValueDAO(PropertyValueDAO propertyValueDAO)
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{
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this.propertyValueDAO = propertyValueDAO;
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}
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/**
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* Ensures that all necessary properties have been set
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*/
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public void init()
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{
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PropertyCheck.mandatory(this, "propertyValueDAO", propertyValueDAO);
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}
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/**
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* @return If the pair value is not null, returns the first value (ID)
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*/
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private Long getEntityPairId(Pair<Long, Serializable> pair)
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{
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if (pair == null)
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{
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return null;
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}
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else
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{
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return pair.getFirst();
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}
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}
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/**
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* @return If the pair value is not null, returns the second value (value)
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*/
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private Serializable getEntityPairValue(Pair<Long, Serializable> pair)
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{
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if (pair == null)
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{
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return null;
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}
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else
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{
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return pair.getSecond();
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}
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}
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/**
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* {@inheritDoc}
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*/
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public Serializable getSharedValueById(Long id)
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{
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Pair<Long, Serializable> pair = propertyValueDAO.getPropertyValueById(id);
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return getEntityPairValue(pair);
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}
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/**
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* {@inheritDoc}
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*/
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public Long getSharedValueId(Serializable value)
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{
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Pair<Long, Serializable> pair = propertyValueDAO.getPropertyValue(value);
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return getEntityPairId(pair);
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}
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/**
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* {@inheritDoc}
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*/
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public Long getOrCreateSharedValue(Serializable value)
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{
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Pair<Long, Serializable> pair = propertyValueDAO.getOrCreatePropertyValue(value);
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return getEntityPairId(pair);
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}
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/**
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* {@inheritDoc}
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*/
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public Serializable getUnsharedPropertyById(Long id)
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{
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return propertyValueDAO.getPropertyById(id);
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}
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/**
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* {@inheritDoc}
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*/
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public Long createUnsharedProperty(Serializable value)
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{
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return propertyValueDAO.createProperty(value);
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}
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/**
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* {@inheritDoc}
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*/
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public void updateUnsharedProperty(Long id, Serializable value)
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{
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propertyValueDAO.updateProperty(id, value);
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}
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/**
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* {@inheritDoc}
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*/
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public void deleteUnsharedProperty(Long id)
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{
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propertyValueDAO.deleteProperty(id);
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}
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/**
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* {@inheritDoc}
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*/
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public Long createPropertyUniqueContext(Serializable value1, Serializable value2, Serializable value3)
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{
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Long id = propertyValueDAO.createPropertyUniqueContext(value1, value2, value3);
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// Done
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if (logger.isDebugEnabled())
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{
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logger.debug(
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"Created unique property context: \n" +
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" ID: " + id + "\n" +
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" Value1: " + value1 + "\n" +
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" Value2: " + value2 + "\n" +
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" Value3: " + value3);
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}
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return id;
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}
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/**
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* {@inheritDoc}
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*/
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public Long getPropertyUniqueContext(Serializable value1, Serializable value2, Serializable value3)
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{
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return propertyValueDAO.getPropertyUniqueContext(value1, value2, value3);
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}
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/**
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* {@inheritDoc}
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*/
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public void updatePropertyUniqueContext(Long id, Serializable value1, Serializable value2, Serializable value3)
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{
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propertyValueDAO.updatePropertyUniqueContext(id, value1, value2, value3);
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// Done
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if (logger.isDebugEnabled())
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{
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logger.debug(
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"Updated unique property context: \n" +
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" ID: " + id + "\n" +
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" Value1: " + value1 + "\n" +
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" Value2: " + value2 + "\n" +
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" Value3: " + value3);
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}
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}
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/**
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* {@inheritDoc}
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*/
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public Long updatePropertyUniqueContext(
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Serializable value1Before, Serializable value2Before, Serializable value3Before,
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Serializable value1, Serializable value2, Serializable value3)
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{
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Long id = getPropertyUniqueContext(value1Before, value2Before, value3Before);
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if (id == null)
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{
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// It didn't exist before, so just create it
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id = createPropertyUniqueContext(value1, value2, value3);
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}
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else
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{
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// Update itUpdated
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updatePropertyUniqueContext(id, value1, value2, value3);
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}
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// Done
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if (logger.isDebugEnabled())
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{
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logger.debug(
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"Updated unique property context: \n" +
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" Value1 Before: " + value1Before + "\n" +
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" Value2 Before: " + value2Before + "\n" +
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" Value3 Before: " + value3Before + "\n" +
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" Value1: " + value1 + "\n" +
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" Value2: " + value2 + "\n" +
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" Value3: " + value3);
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}
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return id;
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}
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/**
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* {@inheritDoc}
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*/
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public void deletePropertyUniqueContext(Long id)
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{
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propertyValueDAO.deletePropertyUniqueContext(id);
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// Done
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if (logger.isDebugEnabled())
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{
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logger.debug(
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"Deleted unique property context: \n" +
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" ID: " + id);
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}
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}
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/**
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* {@inheritDoc}
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*/
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public void deletePropertyUniqueContext(Serializable value1, Serializable value2, Serializable value3)
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{
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// Get the ID of the values
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Long id = getPropertyUniqueContext(value1, value2, value3);
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if (id == null)
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{
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// No need to delete
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if (logger.isDebugEnabled())
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{
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logger.debug(
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"No unique property context exists: \n" +
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" Value1: " + value1 + "\n" +
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" Value2: " + value2 + "\n" +
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" Value3: " + value3);
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}
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}
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else
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{
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deletePropertyUniqueContext(id);
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// Deleted
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if (logger.isDebugEnabled())
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{
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logger.debug(
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"Deleted unique property context: \n" +
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" Value1: " + value1 + "\n" +
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" Value2: " + value2 + "\n" +
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" Value3: " + value3);
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}
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}
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// Done
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}
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}
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