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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.dao.impl;
import java.util.List;
import javax.annotation.Resource;
import org.openecomp.sdc.be.dao.api.ActionStatus;
import org.openecomp.sdc.be.dao.api.IElementDAO;
import org.openecomp.sdc.be.dao.graph.datatype.GraphElement;
import org.openecomp.sdc.be.dao.graph.datatype.GraphElementTypeEnum;
import org.openecomp.sdc.be.dao.neo4j.GraphPropertiesDictionary;
import org.openecomp.sdc.be.dao.neo4j.Neo4jClient;
import org.openecomp.sdc.be.dao.neo4j.Neo4jOperationStatus;
import org.openecomp.sdc.be.dao.neo4j.filters.MatchFilter;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import fj.data.Either;
//@Component("elements-dao")
public class Neo4jElementDAO implements IElementDAO {
// @Resource
Neo4jClient neo4jClient;
private static Logger logger = LoggerFactory.getLogger(Neo4jElementDAO.class.getName());
@Override
public Either<List<GraphElement>, ActionStatus> getAllCategories() {
MatchFilter filter = new MatchFilter();
Either<List<GraphElement>, Neo4jOperationStatus> status = neo4jClient.getByFilter(GraphElementTypeEnum.Node,
NodeTypeEnum.ResourceCategory.getName(), filter);
if (status.isRight()) {
return Either.right(ActionStatus.GENERAL_ERROR);
} else {
List<GraphElement> value = status.left().value();
if (value == null || value.isEmpty()) {
return Either.right(ActionStatus.GENERAL_ERROR);
} else {
return Either.left(value);
}
}
}
@Override
public Either<List<GraphElement>, ActionStatus> getAllTags() {
MatchFilter filter = new MatchFilter();
Either<List<GraphElement>, Neo4jOperationStatus> status = neo4jClient.getByFilter(GraphElementTypeEnum.Node,
NodeTypeEnum.Tag.getName(), filter);
if (status.isRight()) {
return Either.right(ActionStatus.GENERAL_ERROR);
} else {
List<GraphElement> value = status.left().value();
if (value == null) {
return Either.right(ActionStatus.GENERAL_ERROR);
} else {
return Either.left(value);
}
}
}
@Override
public Either<GraphElement, ActionStatus> getCategory(String name) {
MatchFilter filter = new MatchFilter();
filter.addToMatch(GraphPropertiesDictionary.NAME.getProperty(), name);
Either<List<GraphElement>, Neo4jOperationStatus> status = neo4jClient.getByFilter(GraphElementTypeEnum.Node,
NodeTypeEnum.ResourceCategory.getName(), filter);
if (status.isRight()) {
return Either.right(ActionStatus.GENERAL_ERROR);
} else {
List<GraphElement> value = status.left().value();
if (value == null) {
return Either.right(ActionStatus.GENERAL_ERROR);
} else {
return Either.left(value.get(0));
}
}
}
/**
* FOR TEST ONLY
*
* @param neo4jClient
*/
public void setNeo4jClient(Neo4jClient neo4jClient) {
this.neo4jClient = neo4jClient;
}
}
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