JoinFragment.LEFT_OUTER_JOIN);
crit.createAlias("vl." + VolumeManagement.STORAGE_POOL_PROPERTY, "pool",
JoinFragment.LEFT_OUTER_JOIN);
crit.createAlias("pool." + StoragePool.DEVICE_PROPERTY, "device",
JoinFragment.LEFT_OUTER_JOIN);
crit.createAlias("pool." + StoragePool.TIER_PROPERTY, "tier",
JoinFragment.LEFT_OUTER_JOIN);
crit.createAlias("vl." + RasdManagement.RASD_PROPERTY, "rasd",
JoinFragment.LEFT_OUTER_JOIN);
crit.createAlias("vl." + RasdManagement.VIRTUAL_DATACENTER_PROPERTY, "vdc",
JoinFragment.LEFT_OUTER_JOIN);