def getRange(self, start, cnt):
'''
Get the elements from start to start+cnt (include start but not start+cnt)
'''
co = self.rootCollection.getRange(0, None)
#Can res = co work? Or res.extend(co)?
#print co
res = []
for i in co:
if i in self.filterList:
continue
res.append(i)
#Find all element
for i in co:
if i in self.filterList:
continue
childCo = collectionManager.getCollection(i, self.dbInst)
childCoContainer = collectionContainer(childCo, self.dbInst)
partRes = childCoContainer.getRange(0, None)
res.extend(partRes)
#print "adding:",partRes,i
if not (cnt is None):
if len(res) >= start+cnt:
#3 element, start=2 cnt=1, OK
#3 element, start=3 cnt=1, not OK
break
#Found all required element, return
#print "start:",start
#print "cnt:",cnt
#print len(res)
if cnt is None:
return res[start:]
return res[start:start+cnt]
def packageCollection(collectionId, dbSysInst, dictElem, folderOnly=False):
"""
collectionId would be cache system ID or ufsFs url/local path, it would not be cache collectionId
"""
co = manager.getCollection(collectionId, dbSysInst, folderOnly)
res = []
coList = co.getRange(0, None)
# print coList
for i in coList:
if not objTools.isUfsUrl(i):
j = objTools.getUfsUrl(i)
res.append(j)
else:
res.append(i)
if objTools.isUuid(collectionId):
"""
file id in cache system: uuid:xxxx-xxxx-xxxx-xxxxx-xxxx
"""
id = objTools.getUuid(collectionId)
# It's a UUID
import localLibs.cache.localFileSystemCache as localFileSystemCache
try:
cacheSys = localFileSystemCache.localFileSystemCache(dbSysInst)
cachedPath = cacheSys.getCached(id)
targetId = objTools.getUfsUrl(cachedPath)
except KeyError:
targetId = id
elif not objTools.isUfsUrl(collectionId):
# It is a local path?
targetId = objTools.getUfsUrl(collectionId)
else:
targetId = collectionId
dictElem[targetId] = res
def main():
import localLibs.test.testDbSys as testDbSys
res = {}
d = testDbSys.testDbSys()
co = collectionManager.getCollection('G:/app/wwj/cryptload', d)
print '\n\n\n'
h=collectionContainer(co, d).getRange(50, 50)
print '\n\n\n'
print h
