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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2019 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.vendorsoftwareproduct.dao.impl;
import com.amdocs.zusammen.adaptor.inbound.api.types.item.ElementInfo;
import com.amdocs.zusammen.datatypes.Id;
import com.amdocs.zusammen.datatypes.SessionContext;
import com.amdocs.zusammen.datatypes.item.Action;
import com.amdocs.zusammen.datatypes.item.ElementContext;
import com.amdocs.zusammen.datatypes.item.Resolution;
import com.datastax.driver.core.ResultSet;
import com.datastax.driver.core.Row;
import com.datastax.driver.extras.codecs.enums.EnumNameCodec;
import com.datastax.driver.mapping.MappingManager;
import com.datastax.driver.mapping.annotations.Accessor;
import com.datastax.driver.mapping.annotations.Query;
import org.openecomp.core.nosqldb.factory.NoSqlDbFactory;
import org.openecomp.core.zusammen.api.ZusammenAdaptor;
import org.openecomp.sdc.common.session.SessionContextProviderFactory;
import org.openecomp.sdc.datatypes.model.ElementType;
import org.openecomp.sdc.vendorsoftwareproduct.dao.VspMergeDao;
import org.openecomp.sdc.versioning.dao.types.Version;
import java.util.List;
import java.util.stream.Collectors;
import static org.openecomp.core.zusammen.api.ZusammenUtil.buildElement;
import static org.openecomp.core.zusammen.api.ZusammenUtil.createSessionContext;
public class VspMergeDaoImpl implements VspMergeDao {
private static final String VSP_MODEL_NOT_EXIST =
"Vsp model does not exist for Vsp %s, version %s.";
private static final VspMergeHintAccessor accessor;
static {
MappingManager mappingManager = NoSqlDbFactory.getInstance().createInterface().getMappingManager();
mappingManager.getSession().getCluster().getConfiguration().getCodecRegistry()
.register(new EnumNameCodec<>(Resolution.class));
accessor = mappingManager.createAccessor(VspMergeHintAccessor.class);
}
private ZusammenAdaptor zusammenAdaptor;
public VspMergeDaoImpl(ZusammenAdaptor zusammenAdaptor) {
this.zusammenAdaptor = zusammenAdaptor;
}
@Override
public boolean isConflicted(String vspId, Version version) {
SessionContext context = createSessionContext();
ElementContext elementContext = new ElementContext(new Id(vspId), new Id(version.getId()));
return listVspModels(context, elementContext).size() > 1;
}
@Override
public void updateHint(String vspId, Version version) {
SessionContext context = createSessionContext();
ElementContext elementContext = new ElementContext(new Id(vspId), new Id(version.getId()));
String vspModelId = zusammenAdaptor
.getElementInfoByName(context, elementContext, null, ElementType.VspModel.name())
.orElseThrow(() -> new IllegalStateException(
String.format(VSP_MODEL_NOT_EXIST, vspId, version.getId())))
.getId().getValue();
updateVspModelId(vspId, version, vspModelId);
}
@Override
public void deleteHint(String vspId, Version version) {
accessor.delete(getUser(),vspId,version.getId());
}
@Override
public void updateConflictResolution(String vspId, Version version,
Resolution resolution) {
accessor.updateModelResolution(resolution, getUser(), vspId, version.getId());
}
@Override
public void applyConflictResolution(String vspId, Version version) {
//called only when no conflicts
SessionContext context = createSessionContext();
ElementContext elementContext = new ElementContext(new Id(vspId), new Id(version.getId()));
List<ElementInfo> vspModels = listVspModels(context, elementContext);
if (vspModels.size() == 1) {
updateVspModelId(vspId, version, vspModels.iterator().next().getId().getValue());
return;
}
if (vspModels.size() != 2) {
return;
}
String user = getUser();
Row row = accessor.get(user, vspId, version.getId()).one();
if (row == null) {
throw new IllegalStateException(
"Vsp model id must exists if its conflict is being resolved");
}
String resolutionValue = row.getString("model_resolution");
if (resolutionValue == null) {
return; // model conflict is not resolved yet
}
Resolution resolution = Resolution.valueOf(resolutionValue);
String localModelId = row.getString("model_id");
String chosenModelId =
keepOnlyChosenVspModel(context, elementContext, vspModels, resolution, localModelId);
accessor.update(chosenModelId, null, user, vspId, version.getId());
}
private String keepOnlyChosenVspModel(SessionContext context, ElementContext elementContext,
List<ElementInfo> vspModels, Resolution resolution,
String localModelId) {
String newLocalModelId = null;
for (ElementInfo vspModel : vspModels) {
if (isRedundantModel(vspModel.getId().getValue(), localModelId, resolution)) {
zusammenAdaptor
.saveElement(context, elementContext, buildElement(vspModel.getId(), Action.DELETE),
"Delete Redundant Vsp Model");
} else {
newLocalModelId = vspModel.getId().getValue();
}
}
return newLocalModelId;
}
private boolean isRedundantModel(String modelId, String localModelId, Resolution resolution) {
return resolution == Resolution.THEIRS && modelId.equals(localModelId) ||
resolution == Resolution.YOURS && !modelId.equals(localModelId);
}
private List<ElementInfo> listVspModels(SessionContext context, ElementContext elementContext) {
return zusammenAdaptor.listElements(context, elementContext, null).stream()
.filter(elementInfo -> ElementType.VspModel.name().equals(elementInfo.getInfo().getName()))
.collect(Collectors.toList());
}
private void updateVspModelId(String vspId, Version version, String vspModelId) {
accessor.update(vspModelId, null, getUser(), vspId, version.getId());
}
private String getUser() {
return SessionContextProviderFactory.getInstance().createInterface()
.get().getUser().getUserId();
}
@Accessor
interface VspMergeHintAccessor {
@Query("SELECT model_id, model_resolution FROM vsp_merge_hint " +
"WHERE space=? AND item_id=? AND version_id=?")
ResultSet get(String space, String itemId, String versionId);
@Query("UPDATE vsp_merge_hint SET model_id=?, model_resolution=? " +
"WHERE space=? AND item_id=? AND version_id=?")
void update(String vspModelId, Resolution modelResolution, String space,
String itemId, String versionId);
@Query(
"UPDATE vsp_merge_hint SET model_resolution=? WHERE space=? AND item_id=? AND version_id=?")
void updateModelResolution(Resolution modelResolution, String space, String itemId,
String versionId);
@Query("DELETE from vsp_merge_hint WHERE space=? AND item_id=? AND version_id=?")
void delete(String space, String itemId, String versionId);
}
}
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