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Open Lowcode SAS
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Close #135 
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‎src/org/openlowcode/design/advanced/LinkObjectNodeLink.java‎

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/********************************************************************************
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* Copyright (c) 2020 [Open Lowcode SAS](https://openlowcode.com/)
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*
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* This program and the accompanying materials are made available under the
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* terms of the Eclipse Public License 2.0 which is available at
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* http://www.eclipse.org/legal/epl-2.0 .
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*
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* SPDX-License-Identifier: EPL-2.0
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********************************************************************************/
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package org.openlowcode.design.advanced;
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import java.io.IOException;
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import java.util.List;
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import org.openlowcode.design.data.DataObjectDefinition;
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import org.openlowcode.design.data.properties.basic.LinkObject;
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import org.openlowcode.design.generation.SourceGenerator;
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import org.openlowcode.design.generation.StringFormatter;
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/**
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* A Node link allowing navigation from the left object of a link to the right
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* object of a link
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*
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* @author <a href="https://openlowcode.com/" rel="nofollow">Open Lowcode
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* SAS</a>
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* @since 1.8
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*
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*/
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public class LinkObjectNodeLink
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extends
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SmartReportNodeLink {
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private LinkObject<?, ?> linkobject;
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/**
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* Create a new LinkObjectNodeLink
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*
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* @param childnode child node (should be right object for the link)
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* @param linkobject link object where left is the parent, and right is the link
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* object
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*/
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public LinkObjectNodeLink(SmartReportNode childnode, LinkObject<?, ?> linkobject) {
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super(childnode);
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this.linkobject = linkobject;
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if (linkobject.getRightobjectforlink() != childnode.getRelevantObject())
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throw new RuntimeException(
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"Incompatible objects, link right object = " + linkobject.getRightobjectforlink().getName()
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+ ", childnode object = " + childnode.getRelevantObject().getName());
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}
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@Override
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protected void generateImports(SourceGenerator sg) throws IOException {
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DataObjectDefinition linkparentobject = linkobject.getParent();
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sg.wl("import "+linkparentobject.getOwnermodule().getPath()+".data."+StringFormatter.formatForJavaClass(linkparentobject.getName())+";");
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sg.wl("import org.openlowcode.server.data.TwoDataObjects;");
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sg.wl("import org.openlowcode.tools.misc.ObjectUtilities;");
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}
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@Override
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public List<FilterElement<?>> getFilterelement() {
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return null;
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}
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@Override
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public List<LineGroupingCriteria> getLineGroupingCriteria() {
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return null;
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}
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@Override
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public DataObjectDefinition getLeftObject() {
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return linkobject.getLeftobjectforlink();
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}
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@Override
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protected void gatherData(
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SourceGenerator sg,
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SmartReportNode parent,
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String prefixparent,
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String prefixforlinkandchild,
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boolean first,
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int circuitbreaker,
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DataObjectDefinition rootobject,
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String reportname) throws IOException {
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String childclass = StringFormatter.formatForJavaClass(linkobject.getRightobjectforlink().getName());
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String childattribute = StringFormatter.formatForAttribute(linkobject.getRightobjectforlink().getName());
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String parentattribute = StringFormatter.formatForAttribute(linkobject.getLeftobjectforlink().getName());
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String parentclass = StringFormatter.formatForJavaClass(linkobject.getLeftobjectforlink().getName());
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String linkclass = StringFormatter.formatForJavaClass(linkobject.getParent().getName());
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String queryattribute = "null";
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// no need to be recursive here
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List<FilterElement<?>> filterelements = this.getChildNode().getFilterelement();
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List<LineGroupingCriteria> groupingelements = this.getChildNode().getLineGroupingCriteria();
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boolean hasfilterbefore = false;
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if (filterelements != null)
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for (int i = 0; i < filterelements.size(); i++) {
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FilterElement<?> thiselement = filterelements.get(i);
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if (thiselement.hasfilterbefore())
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hasfilterbefore = true;
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}
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sg.wl(" // ----- data gathering step " + prefixforlinkandchild);
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if (hasfilterbefore) {
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queryattribute = childattribute + "_step" + prefixforlinkandchild + "_query";
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sg.wl(" AndQueryCondition " + queryattribute + " = new AndQueryCondition();");
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if (filterelements != null)
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for (int i = 0; i < filterelements.size(); i++) {
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FilterElement<?> thiselement = filterelements.get(i);
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if (thiselement.hasfilterbefore()) {
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thiselement.writeFilterInDataGathering(sg, prefixforlinkandchild, rootobject, reportname);
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}
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}
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}
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if (first) {
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sg.wl(" TwoDataObjects<" + linkclass + "," + childclass + ">[] " + childattribute + "_step"
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+ prefixforlinkandchild + " = " + linkclass + ".getlinksandrightobject(parentid,QueryFilter.get("
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+ queryattribute + "));");
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} else {
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sg.wl(" DataObjectId<"+parentclass+">[] "+parentattribute+"_step"+prefixparent+"_id = ObjectUtilities.generateIdTable("+parentattribute+"_step"+prefixparent+");");
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sg.wl(" TwoDataObjects<" + linkclass + "," + childclass + ">[] " + childattribute + "_step" + prefixforlinkandchild + "_links = " + linkclass
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+ ".getlinksandrightobject(" + parentattribute + "_step" + prefixparent + "_id,QueryFilter.get("
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+ queryattribute + "));");
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}
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sg.wl(" "+childclass+"[] "+childattribute+"_step"+prefixforlinkandchild+" = ObjectUtilities.extractUniqueObjectTable("+childattribute+"_step1_1_links, ((a)->(a.getObjectTwo())), ((a)->(a.getId().getId()))).toArray(new "+childclass+"[0]);");
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boolean hasidtable = false;
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if (filterelements!=null) for (int i=0;i<filterelements.size();i++) if (filterelements.get(i).needArrayOfObjectId()) hasidtable=true;
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if (groupingelements!=null) for (int i=0;i<groupingelements.size();i++) if (groupingelements.get(i).needArrayOfObjectId()) hasidtable=true;
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if (hasidtable) {
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sg.wl(" DataObjectId<" + childclass + ">[] " + childattribute + "_step" + prefixforlinkandchild
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+ "_id = new DataObjectId[" + childattribute + "_step" + prefixforlinkandchild + ".length];");
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sg.wl(" for (int i=0;i<" + childattribute + "_step" + prefixforlinkandchild + ".length;i++) "
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+ childattribute + "_step" + prefixforlinkandchild + "_id[i] = " + childattribute + "_step"
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+ prefixforlinkandchild + "[i].getId();");
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}
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if (filterelements != null)
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for (int i = 0; i < filterelements.size(); i++) {
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FilterElement<?> thiselement = filterelements.get(i);
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if (thiselement.hasfilterafter()) {
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thiselement.writeFilterInDataGathering(sg, prefixforlinkandchild, rootobject, reportname);
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}
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}
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for (int i = 0; i < groupingelements.size(); i++) {
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LineGroupingCriteria thisgroupingelement = groupingelements.get(i);
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if (thisgroupingelement.hasDataGathering()) {
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thisgroupingelement.writeDataGathering(sg, prefixforlinkandchild);
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}
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}
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this.getChildNode().gatherData(sg, circuitbreaker + 1, prefixforlinkandchild, rootobject, reportname);
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}
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@Override
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protected void orderData(
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SourceGenerator sg,
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SmartReportNode smartReportNode,
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String prefix,
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String prefixforlinkandchild,
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boolean first,
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int circuitbreaker,
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DataObjectDefinition rootobject,
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String reportname) throws IOException {
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String childclass = StringFormatter.formatForJavaClass(linkobject.getRightobjectforlink().getName());
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String childattribute = StringFormatter.formatForAttribute(linkobject.getRightobjectforlink().getName());
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@SuppressWarnings("unused")
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String parentattribute = StringFormatter.formatForAttribute(linkobject.getLeftobjectforlink().getName());
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String parentclass = StringFormatter.formatForJavaClass(linkobject.getLeftobjectforlink().getName());
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String linkclass = StringFormatter.formatForJavaClass(linkobject.getParent().getName());
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List<LineGroupingCriteria> groupingcriteria = this.getChildNode().getLineGroupingCriteria();
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sg.wl(" CompositeObjectMap<" + parentclass + "," + childclass + ",TwoDataObjects<" + linkclass + "," + childclass + ">> " + childattribute + "_step"
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+ prefixforlinkandchild + "_map");
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sg.w(" = new CompositeObjectMap<" + parentclass + "," + childclass + ",TwoDataObjects<" + linkclass + "," + childclass + ">>(((a)->(a.getObjectOne().getLfid())),((a)->(a.getObjectTwo()))");
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for (int i = 0; i < groupingcriteria.size(); i++) {
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LineGroupingCriteria thiscriteria = groupingcriteria.get(i);
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String extractstring = thiscriteria.getExtractorFromobject(prefixforlinkandchild);
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sg.bl();
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if (extractstring != null)
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sg.w(" ," + extractstring);
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}
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sg.w(");");
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sg.wl(" " + childattribute + "_step" + prefixforlinkandchild + "_map.classifyObjects(" + childattribute
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+ "_step" + prefixforlinkandchild + "_links);");
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}
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}

‎src/org/openlowcode/design/advanced/LinkedToChildrenNodeLink.java‎

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@@ -179,10 +179,10 @@ protected void orderData(
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String childattribute = StringFormatter.formatForAttribute(linkedtoparent.getParent().getName());
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String parentclass = StringFormatter.formatForJavaClass(linkedtoparent.getParentObjectForLink().getName());
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List<LineGroupingCriteria> groupingcriteria = this.getChildNode().getLineGroupingCriteria();
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sg.wl(" CompositeObjectMap<" + parentclass + "," + childclass + "> " + childattribute + "_step"
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sg.wl(" CompositeObjectMap<" + parentclass + "," + childclass + ","+childclass+"> " + childattribute + "_step"
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+ prefixforlinkandchild + "_map");
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sg.w(" = new CompositeObjectMap<" + parentclass + "," + childclass + ">((a)->(a.getLinkedtoparentfor"
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+ linkedtoparentinstancename + "id())");
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sg.w(" = new CompositeObjectMap<" + parentclass + "," + childclass + ","+childclass+">((a)->(a.getLinkedtoparentfor"
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+ linkedtoparentinstancename + "id()),((a)->(a))");
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for (int i = 0; i < groupingcriteria.size(); i++) {
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LineGroupingCriteria thiscriteria = groupingcriteria.get(i);
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String extractstring = thiscriteria.getExtractorFromobject(prefixforlinkandchild);

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