def _existing_coverage(self, root_dir, persistence_guid):
if not is_persisted(root_dir, persistence_guid):
raise SystemError('Cannot find specified coverage: {0}'.format(persistence_guid))
self._persistence_layer = PostgresPersistenceLayer(root_dir, persistence_guid, mode=self.mode)
if self._persistence_layer.version != self.version:
raise IOError('Coverage Model Version Mismatch: %s != %s' %(self.version, self._persistence_layer.version))
self.name = self._persistence_layer.name
self.mode = self.mode
self._reference_covs = collections.OrderedDict()
def __init__(self, root_dir, persistence_guid, name=None, reference_coverage_locs=None, reference_coverage_extents=None, parameter_dictionary=None,
mode=None, complex_type=ComplexCoverageType.PARAMETRIC_STRICT, temporal_domain=None, spatial_domain=None):
# Initializes base class with proper mode.
super(AggregateCoverage, self).__init__(mode)
if root_dir != None:
log.info("\'root_dir\' specification is OBE. Use coverage configuration file to specify root_dir")
try:
# Make sure persistence_guid is string
if not isinstance(persistence_guid, basestring):
raise TypeError('\'persistence_guid\' must be instance of basestring')
root_dir = CoverageConfig().top_level_storage_location
if is_persisted(root_dir, persistence_guid):
self._existing_coverage(root_dir, persistence_guid)
else:
self._new_coverage(root_dir, persistence_guid, name, reference_coverage_locs, parameter_dictionary, complex_type, reference_coverage_extents)
except:
self._closed = True
raise
self._do_build()