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/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdc.be.datatypes.elements;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.stream.Collectors;

import org.codehaus.jackson.annotate.JsonCreator;
import org.openecomp.sdc.be.datatypes.enums.JsonPresentationFields;
import org.openecomp.sdc.be.datatypes.tosca.ToscaDataDefinition;


public class ListDataDefinition<T extends ToscaDataDefinition> extends ToscaDataDefinition {

	protected List<T> listToscaDataDefinition;

	public ListDataDefinition(ListDataDefinition<T> cdt) {
		super();
		listToscaDataDefinition = cdt.listToscaDataDefinition;

	}

	@JsonCreator
	public ListDataDefinition(List<T> listToscaDataDefinition) {
		super();
		this.listToscaDataDefinition = listToscaDataDefinition;
	}

	public ListDataDefinition() {
		super();
	}

	public List<T> getListToscaDataDefinition() {
		return listToscaDataDefinition;
	}

	public void add(T value) {
		if (listToscaDataDefinition == null) {
			listToscaDataDefinition = new ArrayList<T>();
		}
		listToscaDataDefinition.add(value);
	}

	public void delete(T value) {
		if (listToscaDataDefinition != null) {
			listToscaDataDefinition.remove(value);
		}
	}

	@Override
	public void setOwnerIdIfEmpty(String ownerId) {
		if (listToscaDataDefinition != null) {
			listToscaDataDefinition.forEach(e -> e.setOwnerIdIfEmpty(ownerId));
		}
	}
	
	@Override
	public <S extends ToscaDataDefinition> S mergeFunction(S other, boolean allowDefaultValueOverride){
		Map<String, T> mapByName = listToMapByName(listToscaDataDefinition);
		List<T> otherList = ((ListDataDefinition)other).getListToscaDataDefinition();
		for(T item : otherList){
			mapByName.merge((String)item.getToscaPresentationValue(JsonPresentationFields.NAME), item, (thisItem, otherItem) -> thisItem.mergeFunction(otherItem, allowDefaultValueOverride));
		}
		((ListDataDefinition)other).listToscaDataDefinition = mapByName.values().stream().collect(Collectors.toList());
		return other;	
	}
		

}