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Open Lowcode SAS
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Partial implementation of #119
Kept in the main branch as it has no side effect, but not usable yet
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‎src/org/openlowcode/design/data/properties/basic/Subtype.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.data.properties.basic;
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import java.io.IOException;
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import java.util.ArrayList;
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import org.openlowcode.design.data.DataObjectDefinition;
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import org.openlowcode.design.data.Property;
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import org.openlowcode.design.data.SimpleChoiceCategory;
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import org.openlowcode.design.generation.SourceGenerator;
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import org.openlowcode.design.generation.StringFormatter;
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import org.openlowcode.design.module.Module;
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/**
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* A data object with a subtype can:<ul>
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* <li>have specific rule per subtype</li>
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* <li>have a companion object for a group of subtypes, adding fields and properties</li>
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* <li></li></ul>
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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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*
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* @param <E>
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*/
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public class Subtype<E extends DataObjectDefinition>
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extends
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Property<Subtype<E>> {
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private SimpleChoiceCategory subtypes;
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private UniqueIdentified uniqueidentified;
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public Subtype(SimpleChoiceCategory subtypes) {
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super("SUBTYPE");
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if (subtypes==null) throw new RuntimeException("Subtypes cannot be null");
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this.subtypes=subtypes;
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this.addChoiceCategoryHelper("LISTOFSUBTYPES", subtypes);
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}
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@Override
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public void controlAfterParentDefinition() {
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uniqueidentified = (UniqueIdentified) parent.getPropertyByName("UNIQUEIDENTIFIED");
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this.addDependentProperty(uniqueidentified);
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}
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public SimpleChoiceCategory getSubTypes() {
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return this.subtypes;
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}
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@Override
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public String[] getPropertyInitMethod() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public String[] getPropertyExtractMethod() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public String[] getPropertyDeepCopyStatement() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public ArrayList<DataObjectDefinition> getExternalObjectDependence() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public void setFinalSettings() {
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// TODO Auto-generated method stub
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}
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@Override
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public String getJavaType() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public void writeDependentClass(SourceGenerator sg, Module module) throws IOException {
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sg.wl("import " + subtypes.getParentModule().getPath() + ".data.choice."
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+ StringFormatter.formatForJavaClass(subtypes.getName()) + "ChoiceDefinition;");
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}
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}

‎src/org/openlowcode/design/data/properties/basic/SubtypeCompanion.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.data.properties.basic;
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import java.io.IOException;
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import java.util.ArrayList;
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import org.openlowcode.design.data.ChoiceCategory;
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import org.openlowcode.design.data.ChoiceValue;
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import org.openlowcode.design.data.DataObjectDefinition;
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import org.openlowcode.design.data.Property;
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import org.openlowcode.design.data.PropertyGenerics;
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import org.openlowcode.design.data.SimpleChoiceCategory;
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import org.openlowcode.design.generation.SourceGenerator;
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import org.openlowcode.design.generation.StringFormatter;
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import org.openlowcode.design.module.Module;
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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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*
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* @param <E>
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*/
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public class SubtypeCompanion<E extends DataObjectDefinition>
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extends
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Property<SubtypeCompanion<E>> {
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Subtype<?> subtypeformainobject;
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DataObjectDefinition mainobjet;
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private DataObjectDefinition mainobject;
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private ChoiceValue[] typesforcompanion;
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private SimpleChoiceCategory subtypecategory;
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private ChoiceCategory types;
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private StoredObject storedobject;
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public SubtypeCompanion(DataObjectDefinition mainobject, ChoiceValue[] typesforcompanion) {
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super("SUBTYPECOMPANION");
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if (mainobject == null)
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throw new RuntimeException("Main object is not defined");
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subtypeformainobject = (Subtype<?>) mainobject.getPropertyByName("SUBTYPE");
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this.mainobject = mainobject;
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this.typesforcompanion = typesforcompanion;
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if (typesforcompanion == null)
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throw new RuntimeException("SubtypeCompanion property for object " + mainobject.getName()
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+ " does not have a type for companion choice (null array)");
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if (typesforcompanion.length == 0)
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throw new RuntimeException("SubtypeCompanion property for object " + mainobject.getName()
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+ " does not have a type for companion choice (zero element array)");
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types = typesforcompanion[0].getParent();
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this.addChoiceCategoryHelper("LISTOFSUBTYPES", types);
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}
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@Override
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public void controlAfterParentDefinition() {
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this.storedobject = (StoredObject) parent.getPropertyByName("STOREDOBJECT");
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if (this.storedobject == null)
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throw new RuntimeException("Subtypecompanion is dependent on storedobject");
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this.addDependentProperty(storedobject);
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this.addPropertyGenerics(new PropertyGenerics("MAINOBJECT", mainobject, new UniqueIdentified()));
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}
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@Override
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public String[] getPropertyInitMethod() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public String[] getPropertyExtractMethod() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public String[] getPropertyDeepCopyStatement() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public ArrayList<DataObjectDefinition> getExternalObjectDependence() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public void setFinalSettings() {
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if (this.getParent().getPropertyByName("UNIQUEIDENTIFIED") != null)
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throw new RuntimeException("Object " + this.getParent().getName()
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+ " has both subtype companion and unique identified, this is not possible");
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subtypeformainobject = (Subtype<?>) mainobject.getPropertyByName("SUBTYPE");
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if (subtypeformainobject == null)
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throw new RuntimeException(
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"Main object " + this.mainobject.getName() + " does not have the property SUBTYPE, so object "
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+ this.getParent().getName() + " cannot reference it as a main object for subtype");
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subtypecategory = subtypeformainobject.getSubTypes();
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for (int i = 0; i < typesforcompanion.length; i++) {
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ChoiceValue thissubtype = typesforcompanion[i];
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if (!subtypecategory.isKeyPresent(thissubtype.getName()))
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throw new RuntimeException("Subtype " + thissubtype + " for companion object "
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+ this.getParent().getName() + " is not part of the category for main object "
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+ subtypeformainobject.getParent().getName());
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}
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}
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@Override
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public String getJavaType() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public void writeDependentClass(SourceGenerator sg, Module module) throws IOException {
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sg.wl("import " + types.getParentModule().getPath() + ".data.choice."
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+ StringFormatter.formatForJavaClass(types.getName()) + "ChoiceDefinition;");
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}
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}

‎src/org/openlowcode/server/data/properties/Subtype.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.server.data.properties;
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import org.openlowcode.module.designer.data.Propertydef;
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import org.openlowcode.server.data.DataObject;
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import org.openlowcode.server.data.DataObjectPayload;
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import org.openlowcode.server.data.DataObjectProperty;
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import org.openlowcode.server.data.DataObjectPropertyDefinition;
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import org.openlowcode.server.data.SimpleFieldChoiceDefinition;
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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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*
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* @param <E>
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* @param <F>
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*/
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public class Subtype<E extends DataObject<E> & UniqueidentifiedInterface<E>, F extends SimpleFieldChoiceDefinition<F>>
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extends
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DataObjectProperty<E> {
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private Uniqueidentified<E> uniqueidentified;
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public Subtype(DataObjectPropertyDefinition<E> definition, DataObjectPayload parentpayload) {
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super(definition, parentpayload);
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}
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public void setDependentPropertyUniqueidentified(Uniqueidentified<E> uniqueidentified) {
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this.uniqueidentified = uniqueidentified;
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}
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}

‎src/org/openlowcode/server/data/properties/SubtypeDefinition.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.server.data.properties;
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import java.util.ArrayList;
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import org.openlowcode.module.designer.data.Propertydef;
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import org.openlowcode.module.system.data.choice.ApplocaleChoiceDefinition;
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import org.openlowcode.server.data.ChoiceValue;
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import org.openlowcode.server.data.DataObject;
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import org.openlowcode.server.data.DataObjectDefinition;
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import org.openlowcode.server.data.DataObjectElement;
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import org.openlowcode.server.data.DataObjectElementDefinition;
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import org.openlowcode.server.data.DataObjectPayload;
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import org.openlowcode.server.data.DataObjectPropertyDefinition;
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import org.openlowcode.server.data.PropertyExtractor;
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import org.openlowcode.server.data.SimpleFieldChoiceDefinition;
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import org.openlowcode.server.data.loader.FlatFileLoaderColumn;
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import org.openlowcode.server.data.specificstorage.ExternalFieldSchema;
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import org.openlowcode.server.data.storage.QueryCondition;
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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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*
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* @param <E>
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* @param <F>
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*/
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public class SubtypeDefinition<E extends DataObject<E> & UniqueidentifiedInterface<E>,F extends SimpleFieldChoiceDefinition<F>>
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extends
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DataObjectPropertyDefinition<E> {
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private SimpleFieldChoiceDefinition<F> subtypes;
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private UniqueidentifiedDefinition<E> uniqueidentified;
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public SubtypeDefinition(DataObjectDefinition<E> parentobject, SimpleFieldChoiceDefinition<F> subtypes) {
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super(parentobject, "SUBTYPE");
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this.subtypes = subtypes;
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}
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@Override
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public ArrayList<ExternalFieldSchema<?>> generateExternalSchema() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public QueryCondition getUniversalQueryCondition(String alias) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public FieldSchemaForDisplay[] setFieldSchemaToDisplay() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public FlatFileLoaderColumn<E> getFlatFileLoaderColumn(
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DataObjectDefinition<E> objectdefinition,
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String[] columnattributes,
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PropertyExtractor<E> propertyextractor,
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ChoiceValue<ApplocaleChoiceDefinition> locale) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public String[] getLoaderFieldList() {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public String[] getLoaderFieldSample(String name) {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public DataObjectElement<DataObjectElementDefinition<?, E>, E> initiateFieldInstance(
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DataObjectPayload parentpayload) {
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// TODO Auto-generated method stub
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return null;
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}
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public void setDependentDefinitionUniqueidentified(UniqueidentifiedDefinition<E> uniqueidentified) {
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this.uniqueidentified=uniqueidentified;
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}
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}

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