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Java API for ISO 20022 - Payments business domain
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/* Tools20022 - API for ISO 20022
* Copyright (C) 2017 Tools20022.com - László Bukodi 
* 
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* 
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
* 
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see .
*/

package com.tools20022.metamodel;

import com.tools20022.core.metamodel.GeneratedMetamodelBean;
import com.tools20022.core.metamodel.Metamodel.MetamodelAttribute;
import com.tools20022.core.metamodel.Metamodel.MetamodelType;
import com.tools20022.core.metamodel.Opposite;
import com.tools20022.core.metamodel.OrphanMetamodelType;
import static com.tools20022.core.metamodel.StaticMemembersBuilder.newAttribute;
import com.tools20022.metamodel.MMModelEntity;
import com.tools20022.metamodel.MMSyntaxMessageScheme;
import com.tools20022.metamodel.MMTransportMessage;
import com.tools20022.metamodel.StandardMetamodel2013;
import java.util.Collections;
import java.util.function.Supplier;
import java.util.List;
import java.util.Optional;

/**
 * instance of MessageDefinition, containing a set of structured information
 * exchanged between BusinessRoles, in the scope of a BusinessTransaction
 */
public class MMMessageInstance implements OrphanMetamodelType, MMModelEntity {

	/**
	 * the SyntaxScheme instantiated by this MessageInstance
	 */
	public final static MetamodelAttribute specificationAttribute = newAttribute();
	/**
	 * the TransportMessage that contains the MessageInstance
	 */
	public final static MetamodelAttribute> transportMessageAttribute = newAttribute();
	protected Supplier specification_lazy;
	protected Supplier> transportMessage_lazy;
	protected Supplier> nextVersions_lazy;
	protected Supplier previousVersion_lazy;
	protected String objectIdentifier;

	@Override
	public GeneratedMetamodelBean getContainer() {
		return null;
	}

	@Override
	public MetamodelType getMetamodel() {
		return StandardMetamodel2013.metamodel().getTypeByClass(getClass());
	}

	public static MetamodelType metaType() {
		return StandardMetamodel2013.metamodel().getTypeByClass(MMMessageInstance.class);
	}

	/**
	 * the SyntaxScheme instantiated by this MessageInstance
	 */
	public MMSyntaxMessageScheme getSpecification() {
		return specification_lazy.get();
	}

	/**
	 * the TransportMessage that contains the MessageInstance
	 * 
	 * @see MMTransportMessage#getMessageInstance()
	 */
	@Opposite(bean = MMTransportMessage.class, attribute = "messageInstance")
	public List getTransportMessage() {
		return transportMessage_lazy == null ? Collections.emptyList() : transportMessage_lazy.get();
	}

	@Override
	public List getNextVersions() {
		return nextVersions_lazy == null ? Collections.emptyList() : nextVersions_lazy.get();
	}

	@Override
	public Optional getPreviousVersion() {
		return previousVersion_lazy == null ? Optional.empty() : Optional.of(previousVersion_lazy.get());
	}

	@Override
	public Optional getObjectIdentifier() {
		return objectIdentifier == null ? Optional.empty() : Optional.of(objectIdentifier);
	}
}