Package org.apache.cloudstack.storage.datastore.db

Examples of org.apache.cloudstack.storage.datastore.db.SnapshotDataStoreVO

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        snapshotSc.addAnd(snapshotSc.getEntity().getLastUpdated(), SearchCriteria.Op.LT, bef);
        snapshotSc.addAnd(snapshotSc.getEntity().getState(), SearchCriteria.Op.EQ, ObjectInDataStoreStateMachine.State.Ready);
        snapshotSc.addAnd(snapshotSc.getEntity().getDataStoreId(), SearchCriteria.Op.EQ, store.getId());
        snapshotSc.addAnd(snapshotSc.getEntity().getRole(), SearchCriteria.Op.EQ, store.getRole());
        snapshotSc.addAnd(snapshotSc.getEntity().getRefCnt(), SearchCriteria.Op.EQ, 0);
        SnapshotDataStoreVO snapshot = snapshotSc.find();
        if (snapshot != null) {
            return snapshotFactory.getSnapshot(snapshot.getSnapshotId(), store);
        }

        return null;
    }
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    }


    @Override
    public String getSecondaryStorageURL(SnapshotVO snapshot) {
        SnapshotDataStoreVO snapshotStore = this._snapshotStoreDao.findBySnapshot(snapshot.getId(), DataStoreRole.Image);
        if (snapshotStore != null){
            DataStore store = this.dataStoreMgr.getDataStore(snapshotStore.getDataStoreId(), DataStoreRole.Image);
            if ( store != null ){
                return store.getUri();
            }
        }
        throw new CloudRuntimeException("Can not find secondary storage hosting the snapshot");
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        return true;
    }

    @Override
    public boolean updateState(State currentState, Event event, State nextState, DataObjectInStore vo, Object data) {
        SnapshotDataStoreVO dataObj = (SnapshotDataStoreVO) vo;
        Long oldUpdated = dataObj.getUpdatedCount();
        Date oldUpdatedTime = dataObj.getUpdated();

        SearchCriteria<SnapshotDataStoreVO> sc = updateStateSearch.create();
        sc.setParameters("id", dataObj.getId());
        sc.setParameters("state", currentState);
        sc.setParameters("updatedCount", dataObj.getUpdatedCount());

        dataObj.incrUpdatedCount();

        UpdateBuilder builder = getUpdateBuilder(dataObj);
        builder.set(dataObj, "state", nextState);
        builder.set(dataObj, "updated", new Date());

        int rows = update(dataObj, sc);
        if (rows == 0 && s_logger.isDebugEnabled()) {
            SnapshotDataStoreVO dbVol = findByIdIncludingRemoved(dataObj.getId());
            if (dbVol != null) {
                StringBuilder str = new StringBuilder("Unable to update ").append(dataObj.toString());
                str.append(": DB Data={id=").append(dbVol.getId()).append("; state=").append(dbVol.getState())
                .append("; updatecount=").append(dbVol.getUpdatedCount()).append(";updatedTime=")
                .append(dbVol.getUpdated());
                str.append(": New Data={id=").append(dataObj.getId()).append("; state=").append(nextState)
                .append("; event=").append(event).append("; updatecount=").append(dataObj.getUpdatedCount())
                .append("; updatedTime=").append(dataObj.getUpdated());
                str.append(": stale Data={id=").append(dataObj.getId()).append("; state=").append(currentState)
                .append("; event=").append(event).append("; updatecount=").append(oldUpdated)
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    }

    @Override
    public SnapshotInfo getSnapshot(long snapshotId, DataStoreRole role) {
        SnapshotVO snapshot = snapshotDao.findById(snapshotId);
        SnapshotDataStoreVO snapshotStore = snapshotStoreDao.findBySnapshot(snapshotId, role);
        if (snapshotStore == null) {
            return null;
        }
        DataStore store = this.storeMgr.getDataStore(snapshotStore.getDataStoreId(), role);
        SnapshotObject so = SnapshotObject.getSnapshotObject(snapshot, store);
        return so;
    }
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    }

    @Override
    public SnapshotInfo getParent() {

        SnapshotDataStoreVO snapStoreVO = this.snapshotStoreDao.findByStoreSnapshot(this.store.getRole(),
                this.store.getId(), this.snapshot.getId());
        Long parentId = null;
        if (snapStoreVO != null) {
            parentId = snapStoreVO.getParentSnapshotId();
            if (parentId != null && parentId != 0) {
                return this.snapshotFactory.getSnapshot(parentId, store);
            }
        }
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                .create(SnapshotDataStoreVO.class);
        sc.addAnd(sc.getEntity().getDataStoreId(), Op.EQ, this.store.getId());
        sc.addAnd(sc.getEntity().getRole(), Op.EQ, this.store.getRole());
        sc.addAnd(sc.getEntity().getState(), Op.NIN, State.Destroying, State.Destroyed, State.Error);
        sc.addAnd(sc.getEntity().getParentSnapshotId(), Op.EQ, this.getId());
        SnapshotDataStoreVO vo = sc.find();
        if (vo == null) {
            return null;
        }
        return this.snapshotFactory.getSnapshot(vo.getId(), store);
    }
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    }

    @Override
    public void processEvent(ObjectInDataStoreStateMachine.Event event, Answer answer) {
        try {
            SnapshotDataStoreVO snapshotStore = this.snapshotStoreDao.findByStoreSnapshot(
                    this.getDataStore().getRole(), this.getDataStore().getId(), this.getId());
            if (answer instanceof CreateObjectAnswer) {
                SnapshotObjectTO snapshotTO = (SnapshotObjectTO) ((CreateObjectAnswer) answer).getData();
                snapshotStore.setInstallPath(snapshotTO.getPath());
                this.snapshotStoreDao.update(snapshotStore.getId(), snapshotStore);
            } else if (answer instanceof CopyCmdAnswer) {
                SnapshotObjectTO snapshotTO = (SnapshotObjectTO) ((CopyCmdAnswer) answer).getNewData();
                snapshotStore.setInstallPath(snapshotTO.getPath());
                if (snapshotTO.getParentSnapshotPath() == null) {
                    snapshotStore.setParentSnapshotId(0L);
                }
                this.snapshotStoreDao.update(snapshotStore.getId(), snapshotStore);
               
                // update side-effect of snapshot operation
                if(snapshotTO.getVolume() != null && snapshotTO.getVolume().getPath() != null) {
                  VolumeVO vol = this.volumeDao.findByUuid(snapshotTO.getVolume().getUuid());
                  if(vol != null) {
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        if (this.store == null) {
            return;
        }

        if (this.store.getRole() == DataStoreRole.Image || this.store.getRole() == DataStoreRole.ImageCache) {
            SnapshotDataStoreVO store = snapshotStoreDao.findByStoreSnapshot(this.store.getRole(), this.store.getId(),
                    this.getId());
            store.incrRefCnt();
            store.setLastUpdated(new Date());
            snapshotStoreDao.update(store.getId(), store);
        }
    }
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    public void decRefCount() {
        if (this.store == null) {
            return;
        }
        if (this.store.getRole() == DataStoreRole.Image || this.store.getRole() == DataStoreRole.ImageCache) {
            SnapshotDataStoreVO store = snapshotStoreDao.findByStoreSnapshot(this.store.getRole(), this.store.getId(),
                    this.getId());
            store.decrRefCnt();
            store.setLastUpdated(new Date());
            snapshotStoreDao.update(store.getId(), store);
        }
    }
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    public Long getRefCount() {
        if (this.store == null) {
            return null;
        }
        if (this.store.getRole() == DataStoreRole.Image || this.store.getRole() == DataStoreRole.ImageCache) {
            SnapshotDataStoreVO store = snapshotStoreDao.findByStoreSnapshot(this.store.getRole(), this.store.getId(),
                    this.getId());
            return store.getRefCnt();
        }
        return null;
    }
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Related Classes of org.apache.cloudstack.storage.datastore.db.SnapshotDataStoreVO

  • com.cloud.storage.snapshot.SnapshotManagerImpl
  • org.apache.cloudstack.storage.cache.manager.StorageCacheReplacementAlgorithmLRU
  • org.apache.cloudstack.storage.datastore.ObjectInDataStoreManagerImpl
  • org.apache.cloudstack.storage.image.db.SnapshotDataStoreDaoImpl
  • org.apache.cloudstack.storage.snapshot.SnapshotDataFactoryImpl
  • org.apache.cloudstack.storage.snapshot.SnapshotObject
  • org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl
  • org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy
  • org.apache.cloudstack.storage.test.SnapshotTestWithFakeData
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