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/** |
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$Id$ |
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Copyright (C) 2012 Nicklas Nordborg |
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This file is part of BASE - BioArray Software Environment. |
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Available at http://base.thep.lu.se/ |
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BASE 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 3 |
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of the License, or (at your option) any later version. |
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|
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BASE 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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|
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You should have received a copy of the GNU General Public License |
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along with BASE. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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package net.sf.basedb.util.overview.loader; |
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|
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.Set; |
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|
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import net.sf.basedb.core.BioPlate; |
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import net.sf.basedb.core.BioPlateEvent; |
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import net.sf.basedb.core.DbControl; |
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import net.sf.basedb.core.Item; |
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import net.sf.basedb.core.ItemQuery; |
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import net.sf.basedb.core.ItemResultIterator; |
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import net.sf.basedb.core.Type; |
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import net.sf.basedb.core.query.Expressions; |
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import net.sf.basedb.core.query.Hql; |
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import net.sf.basedb.core.query.Restrictions; |
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import net.sf.basedb.util.overview.Node; |
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import net.sf.basedb.util.overview.OverviewContext; |
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import net.sf.basedb.util.overview.filter.ItemTypeFilter; |
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import net.sf.basedb.util.overview.node.ChildNodeDirection; |
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import net.sf.basedb.util.overview.node.NameableNameGenerator; |
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import net.sf.basedb.util.overview.node.NodeFactory; |
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/** |
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Node loader implementation for bioplate events. Events are |
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forward-loading property nodes of a bioplate. The reverse |
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direction is not loading anything. |
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|
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@author nicklas |
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@since 3.3 |
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*/ |
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public class BioPlateEventLoader |
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extends BasicItemNodeLoader<BioPlateEvent> |
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{ |
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public BioPlateEventLoader() |
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{ |
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super(Item.BIOPLATEEVENT, false, |
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new NameableNameGenerator<BioPlateEvent>("event", "Event")); |
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} |
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|
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/* |
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From the NodeLoader interface |
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------------------------------ |
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*/ |
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|
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/** |
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Create a forward-loading node from a bioplate. Note that events that already |
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exists in the parent chain are not loaded again to avoid infinite recursive |
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loading. |
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@return A folder node with the events, or null if there are no events for the bioplate |
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*/ |
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@Override |
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public Node createForwardNode(DbControl dc, OverviewContext context, Node plateNode) |
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{ |
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BioPlate plate = (BioPlate)plateNode.getItem(); |
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NodeFactory<BioPlateEvent> nf = getNodeFactory(dc, context); |
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Node folderNode = null; |
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ItemQuery<BioPlateEvent> query = context.initQuery(plate.getEvents(), "name"); |
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|
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// We should only load events that hasn't already been loaded in the parent chain |
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List<Node> eventNodes = plateNode.findAll(new ItemTypeFilter(Item.BIOPLATEEVENT)); |
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if (eventNodes.size() > 0) |
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{ |
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Set<Integer> eventIds = new HashSet<Integer>(eventNodes.size()); |
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for (Node n : eventNodes) |
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{ |
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eventIds.add(n.getItem().getId()); |
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} |
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query.restrict(Restrictions.not(Restrictions.in(Hql.property("id"), Expressions.parameter("events")))); |
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query.setParameter("events", eventIds, Type.INT); |
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} |
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|
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ItemResultIterator<BioPlateEvent> it = query.iterate(dc); |
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while (it.hasNext()) |
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{ |
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BioPlateEvent event = it.next(); |
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if (folderNode == null) |
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{ |
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folderNode = new Node("events", "Events", plateNode, ChildNodeDirection.FORWARD); |
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} |
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createItemNode(nf, event, event, false, folderNode, ChildNodeDirection.FORWARD); |
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} |
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postValidateFolder(nf, folderNode, plateNode, false); |
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return folderNode; |
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} |
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// ------------------------------------- |
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|
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/* |
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From the AbstractNodeLoader class |
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---------------------------------- |
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*/ |
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|
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/** |
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Loads the bioplates that are part of the event. |
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@see BioPlateLoader#createPropertyNode(DbControl, OverviewContext, Node) |
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*/ |
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@Override |
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protected void loadForwardChildNodes(DbControl dc, OverviewContext context, Node eventNode) |
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{ |
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getNodeLoader(context, Item.BIOPLATE).createPropertyNode(dc, context, eventNode); |
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} |
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|
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/** |
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Loads property nodes of an event. |
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<ul> |
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<li>Protocol: {@link ProtocolLoader#createPropertyNode(DbControl, OverviewContext, Node)} |
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<li>Kit: {@link KitLoader#createPropertyNode(DbControl, OverviewContext, Node)} |
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<li>Hardware: {@link HardwareLoader#createPropertyNode(DbControl, OverviewContext, Node)} |
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</ul> |
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*/ |
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@Override |
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protected void loadPropertyChildNodes(DbControl dc, OverviewContext context, Node eventNode) |
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{ |
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getNodeLoader(context, Item.PROTOCOL).createPropertyNode(dc, context, eventNode); |
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getNodeLoader(context, Item.KIT).createPropertyNode(dc, context, eventNode); |
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getNodeLoader(context, Item.HARDWARE).createPropertyNode(dc, context, eventNode); |
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} |
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// --------------------------------------- |
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|
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} |