PersonMetaData4.java

package org.molgenis.test.data.staticentity.bidirectional.person4;

import org.molgenis.data.Sort;
import org.molgenis.data.meta.SystemEntityType;
import org.molgenis.data.meta.model.Attribute;
import org.springframework.stereotype.Component;

import static org.molgenis.data.Sort.Direction.DESC;
import static org.molgenis.data.meta.AttributeType.ONE_TO_MANY;
import static org.molgenis.data.meta.AttributeType.XREF;
import static org.molgenis.data.meta.model.EntityType.AttributeRole.ROLE_ID;
import static org.molgenis.data.meta.model.EntityType.AttributeRole.ROLE_LABEL;
import static org.molgenis.data.meta.model.Package.PACKAGE_SEPARATOR;
import static org.molgenis.data.system.model.RootSystemPackage.PACKAGE_SYSTEM;

/**
 * Defines a Person entity with a self-referencing nullable OneToMany with descending order.
 */
@Component
public class PersonMetaData4 extends SystemEntityType
{
	private static final String SIMPLE_NAME = "Person4";
	public static final String NAME = PACKAGE_SYSTEM + PACKAGE_SEPARATOR + SIMPLE_NAME;

	public static final String ID = "id";
	public static final String LABEL = "label";
	public static final String ATTR_PARENT = "parent";
	public static final String ATTR_CHILDREN = "children";

	PersonMetaData4()
	{
		super(SIMPLE_NAME, PACKAGE_SYSTEM);
	}

	@Override
	public void init()
	{
		setLabel("Person");

		addAttribute(ID, ROLE_ID).setLabel("Identifier");
		addAttribute(LABEL, ROLE_LABEL).setNillable(false).setLabel("Label");
		Attribute parentAttr = addAttribute(ATTR_PARENT).setDataType(XREF).setRefEntity(this);
		addAttribute(ATTR_CHILDREN).setDataType(ONE_TO_MANY).setRefEntity(this).setMappedBy(parentAttr)
				.setOrderBy(new Sort(ID, DESC));
	}
}