Package org.apache.cloudstack.engine.subsystem.api.storage

Examples of org.apache.cloudstack.engine.subsystem.api.storage.DataObjectInStore

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    @Override
    public String getUri() {
        if (this.dataStore == null) {
            throw new CloudRuntimeException("datastore must be set before using this object");
        }
        DataObjectInStore obj = objectInStoreMgr.findObject(this.volumeVO.getId(), DataObjectType.VOLUME,
                this.dataStore.getId(), this.dataStore.getRole());
        if (obj.getState() != ObjectInDataStoreStateMachine.State.Ready) {
            return this.dataStore.getUri() + "&" + EncodingType.OBJTYPE + "=" + DataObjectType.VOLUME + "&"
                    + EncodingType.SIZE + "=" + this.volumeVO.getSize() + "&" + EncodingType.NAME + "="
                    + this.volumeVO.getName();
        } else {
            return this.dataStore.getUri() + "&" + EncodingType.OBJTYPE + "=" + DataObjectType.VOLUME + "&"
                    + EncodingType.PATH + "=" + obj.getInstallPath();
        }
    }
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    @Override
    public String getPath() {
        if (this.dataStore.getRole() == DataStoreRole.Primary) {
            return this.volumeVO.getPath();
        } else {
            DataObjectInStore objInStore = this.objectInStoreMgr.findObject(this, dataStore);
            if (objInStore != null) {
                return objInStore.getInstallPath();
            } else {
                return null;
            }
        }
    }
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    @Override
    public String getInstallPath() {
        if (this.dataStore == null) {
            return null;
        }
        DataObjectInStore obj = objectInStoreMgr.findObject(this, this.dataStore);
        return obj.getInstallPath();
    }
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    protected long waitingTime = 1800; // half an hour
    protected long waitingRetries = 10;

    protected DataObject waitingForCreated(DataObject dataObj, DataStore dataStore) {
        long retries = this.waitingRetries;
        DataObjectInStore obj = null;
        do {
            try {
                Thread.sleep(waitingTime);
            } catch (InterruptedException e) {
                s_logger.debug("sleep interrupted", e);
                throw new CloudRuntimeException("sleep interrupted", e);
            }

            obj = objectInDataStoreMgr.findObject(dataObj, dataStore);
            if (obj == null) {
                s_logger.debug("can't find object in db, maybe it's cleaned up already, exit waiting");
                break;
            }
            if (obj.getState() == ObjectInDataStoreStateMachine.State.Ready) {
                break;
            }
            retries--;
        } while (retries > 0);
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    }

    @Override
    public void createAsync(DataObject data, DataStore store, AsyncCompletionCallback<CreateCmdResult> callback,
            boolean noCopy) {
        DataObjectInStore obj = objectInDataStoreMgr.findObject(data, store);
        DataObject objInStore = null;
        boolean freshNewTemplate = false;
        if (obj == null) {
            try {
                objInStore = objectInDataStoreMgr.create(data, store);
                freshNewTemplate = true;
            } catch (Throwable e) {
                obj = objectInDataStoreMgr.findObject(data, store);
                if (obj == null) {
                    CreateCmdResult result = new CreateCmdResult(null, null);
                    result.setSuccess(false);
                    result.setResult(e.toString());
                    callback.complete(result);
                    return;
                }
            }
        }

        if (!freshNewTemplate && obj.getState() != ObjectInDataStoreStateMachine.State.Ready) {
            try {
                objInStore = waitingForCreated(data, store);
            } catch (Exception e) {
                CreateCmdResult result = new CreateCmdResult(null, null);
                result.setSuccess(false);
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        return null;
    }

    @Override
    public DataObject createInternalStateOnly(DataObject data, DataStore store) {
        DataObjectInStore obj = objectInDataStoreMgr.findObject(data, store);
        DataObject objInStore = null;
        if (obj == null) {
            objInStore = objectInDataStoreMgr.create(data, store);
        }
        try {
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        return false;
    }

    @Override
    public boolean update(DataObject data, Event event) throws NoTransitionException, ConcurrentOperationException {
        DataObjectInStore obj = this.findObject(data, data.getDataStore());
        if (obj == null) {
            throw new CloudRuntimeException("can't find mapping in ObjectInDataStore table for: " + data);
        }

        boolean result = true;
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        return findObject(obj.getId(), obj.getType(), store.getId(), store.getRole());
    }

    @Override
    public DataObjectInStore findObject(long objId, DataObjectType type, long dataStoreId, DataStoreRole role) {
        DataObjectInStore vo = null;
        if (role == DataStoreRole.Image || role == DataStoreRole.ImageCache) {
            switch (type) {
            case TEMPLATE:
                vo = templateDataStoreDao.findByStoreTemplate(dataStoreId, objId);
                break;
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    @Override
    public DataStore findStore(long objId, DataObjectType type, DataStoreRole role) {
        DataStore store = null;
        if (role == DataStoreRole.Image) {
            DataObjectInStore vo = null;
            switch (type) {
            case TEMPLATE:
                vo = templateDataStoreDao.findByTemplate(objId, role);
                break;
            case SNAPSHOT:
                vo = snapshotDataStoreDao.findBySnapshot(objId, role);
                break;
            case VOLUME:
                vo = volumeDataStoreDao.findByVolume(objId);
                break;
            }
            if (vo != null) {
                store = this.storeMgr.getDataStore(vo.getDataStoreId(), role);
            }
        }
        return store;
    }
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        return false;
    }

    @Override
    public boolean update(DataObject data, Event event) throws NoTransitionException, ConcurrentOperationException {
        DataObjectInStore obj = this.findObject(data, data.getDataStore());
        if (obj == null) {
            throw new CloudRuntimeException("can't find mapping in ObjectInDataStore table for: " + data);
        }

        boolean result = true;
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Related Classes of org.apache.cloudstack.engine.subsystem.api.storage.DataObjectInStore

  • org.apache.cloudstack.storage.cache.allocator.StorageCacheRandomAllocator
  • org.apache.cloudstack.storage.cache.manager.StorageCacheManagerImpl
  • org.apache.cloudstack.storage.datastore.DataObjectManagerImpl
  • org.apache.cloudstack.storage.datastore.ObjectInDataStoreManagerImpl
  • org.apache.cloudstack.storage.image.store.TemplateObject
  • org.apache.cloudstack.storage.snapshot.SnapshotObject
  • org.apache.cloudstack.storage.volume.VolumeObject
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