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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2020 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.asdctool.migration.tasks.mig1902;
import fj.data.Either;
import org.openecomp.sdc.asdctool.migration.core.DBVersion;
import org.openecomp.sdc.asdctool.migration.core.task.Migration;
import org.openecomp.sdc.asdctool.migration.core.task.MigrationResult;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphGenericDao;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
import org.openecomp.sdc.be.datatypes.enums.NodeTypeEnum;
import org.openecomp.sdc.be.resources.data.ConsumerData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import java.math.BigInteger;
import java.util.List;
@Component
public class SdcConsumerMigration implements Migration {
private static final Logger logger = LoggerFactory.getLogger(SdcConsumerMigration.class);
private JanusGraphGenericDao janusGraphGenericDao;
public SdcConsumerMigration(JanusGraphGenericDao janusGraphGenericDao) {
this.janusGraphGenericDao = janusGraphGenericDao;
}
@Override
public String description() {
return "remove all consumer nodes";
}
@Override
public DBVersion getVersion() {
return DBVersion.from(BigInteger.valueOf(1902), BigInteger.valueOf(0));
}
@Override
public MigrationResult migrate() {
JanusGraphOperationStatus status = null;
try {
status = handleConsumerNodes();
if (status == JanusGraphOperationStatus.OK){
logger.info("removed all consumer nodes.");
return MigrationResult.success();
} else {
return MigrationResult.error("failed to remove consumer nodes. error: " + status);
}
} finally {
commitOrRollBack(status);
}
}
private void commitOrRollBack(JanusGraphOperationStatus status) {
if (status == JanusGraphOperationStatus.OK) {
janusGraphGenericDao.commit();
} else {
janusGraphGenericDao.rollback();
}
}
private JanusGraphOperationStatus handleConsumerNodes() {
logger.info("getting all consumer nodes.");
return janusGraphGenericDao.getAll(NodeTypeEnum.ConsumerCredentials, ConsumerData.class)
.either(this::removeConsumerNodes, this::handleError);
}
private JanusGraphOperationStatus removeConsumerNodes(List<ConsumerData> consumerNodes){
logger.info("found {} consumer nodes.", consumerNodes.size());
return consumerNodes.stream()
.map(consumerNode -> janusGraphGenericDao.deleteNode(consumerNode, ConsumerData.class))
.filter(Either::isRight)
.map(either -> either.right().value())
.findAny()
.orElse(JanusGraphOperationStatus.OK);
}
private JanusGraphOperationStatus handleError(JanusGraphOperationStatus status){
if (status == JanusGraphOperationStatus.NOT_FOUND) {
logger.info("found 0 consumer nodes.");
return JanusGraphOperationStatus.OK;
} else{
return status;
}
}
}
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