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Omaha #3185 harden using DAF through jep, implement new DAF methods for

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JepRouter

Change-Id: Id923a9267eee1242ef826414c037c1391f2effd6

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This commit is contained in:
Nate Jensen 2014-07-22 17:33:33 -05:00
parent 657035460b
commit 3912fdfd43
3 changed files with 39 additions and 33 deletions
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16
edexOsgi/com.raytheon.uf.edex.dataaccess/utility/common_static/base/python/dataaccess/JDataRequest.py
View file

@ -27,9 +27,10 @@
#
# Date Ticket# Engineer Description
# ------------ ---------- ----------- --------------------------
# 12/17/12 njensen Initial Creation.
# Feb 14, 2013 1614 bsteffen refactor data access framework
# Dec 17, 2012 njensen Initial Creation.
# Feb 14, 2013 1614 bsteffen Refactor data access framework
# to use single request.
# Jul 22, 2014 3185 njensen Fix getters to return python objs
#
#
#
@ -85,15 +86,10 @@ class JDataRequest(IDataRequest, JUtil.JavaWrapperClass):
def getIdentifiers(self):
ids = {}
jmap = self.jobj.getIdentifiers()
itr = jmap.keySet().iterator()
while itr.hasNext():
key = itr.next()
value = JUtil.javaObjToPyVal(jmap.get(key))
ids[key] = value
return ids
return JUtil.javaObjToPyVal(jmap)
def getParameters(self):
return self.jobj.getParameters()
return JUtil.javaObjToPyVal(self.jobj.getParameters())
def getLevels(self):
levels = []
@ -111,7 +107,7 @@ class JDataRequest(IDataRequest, JUtil.JavaWrapperClass):
return env
def getLocationNames(self):
return self.jobj.getLocationNames()
return JUtil.javaObjToPyVal(self.jobj.getLocationNames())
def toJavaObj(self):
return self.jobj

28
edexOsgi/com.raytheon.uf.edex.dataaccess/utility/common_static/base/python/dataaccess/JepRouter.py
View file

@ -34,6 +34,7 @@
# to use single request.
# 03/03/14 2673 bsteffen Add ability to query only ref times.
# 07/22/14 3185 njensen Added optional/default args to newDataRequest
# and added new methods
#
#
#
@ -49,6 +50,7 @@ from com.raytheon.uf.common.python import PythonNumpyFloatArray
import jep
import DataTime
import JGeometryData, JGridData, JDataRequest
import JUtil
def getAvailableTimes(request, refTimeOnly):
@ -90,23 +92,27 @@ def getGeometryData(request, times):
return data
def getAvailableLocationNames(request):
return JavaDataAccessLayer.getAvailableLocationNames(request.toJavaObj())
jlocs = JavaDataAccessLayer.getAvailableLocationNames(request.toJavaObj())
return JUtil.javaObjToPyVal(jlocs)
def getAvailableParameters(request):
# TODO
raise Exception('Not implemented yet')
jparams = JavaDataAccessLayer.getAvailableParameters(request.toJavaObj())
return JUtil.javaObjToPyVal(jparams)
def getAvailableLevels(request):
# TODO
raise Exception('Not implemented yet')
jlevels = JavaDataAccessLayer.getAvailableLevels(request.toJavaObj())
pylevs = []
for jlev in jlevels:
pylevs.append(str(jlev))
return pylevs
def getRequiredIdentifiers(datatype):
# TODO
raise Exception('Not implemented yet')
jids = JavaDataAccessLayer.getRequiredIdentifiers(datatype)
return JUtil.javaObjToPyVal(jids)
def getValidIdentifiers(datatype):
# TODO
raise Exception('Not implemented yet')
jids = JavaDataAccessLayer.getValidIdentifiers(datatype)
return JUtil.javaObjToPyVal(jids)
def newDataRequest(datatype, parameters=[], levels=[], locationNames = [], envelope=None, **kwargs):
req = JDataRequest.JDataRequest(DefaultDataRequest())
@ -127,6 +133,6 @@ def newDataRequest(datatype, parameters=[], levels=[], locationNames = [], envel
return req
def getSupportedDatatypes():
# TODO
raise Exception('Not implemented yet')
jsupported = JavaDataAccessLayer.getSupportedDatatypes()
return JUtil.javaObjToPyVal(jsupported)

28
pythonPackages/ufpy/dataaccess/DataAccessLayer.py
View file

@ -47,10 +47,13 @@ THRIFT_HOST = subprocess.check_output(
shell=True).strip()
USING_NATIVE_THRIFT = False
try:
if sys.modules.has_key('JavaImporter'):
# intentionally do not catch if this fails to import, we want it to
# be obvious that something is configured wrong when running from within
# Java instead of allowing false confidence and fallback behavior
import JepRouter
router = JepRouter
except ImportError:
else:
from ufpy.dataaccess import ThriftClientRouter
router = ThriftClientRouter.ThriftClientRouter(THRIFT_HOST)
USING_NATIVE_THRIFT = True
@ -62,10 +65,9 @@ def getAvailableTimes(request, refTimeOnly=False):
Args:
request: the IDataRequest to get data for
Args:
refTimeOnly: True if only unique refTimes should be returned(without
a forecastHr)
refTimeOnly: optional, use True if only unique refTimes should be
returned (without a forecastHr)
Returns:
a list of DataTimes
"""
@ -165,14 +167,13 @@ def getValidIdentifiers(datatype):
Returns:
a list of strings of valid identifiers
"""
return router.getRequiredIdentifiers(datatype)
return router.getValidIdentifiers(datatype)
def newDataRequest(datatype=None, **kwargs):
""""
Creates a new instance of IDataRequest suitable for the runtime environment.
Args:
All args are optional and exist solely for convenience.
Args:
datatype: the datatype to create a request for
parameters: a list of parameters to set on the request
@ -197,10 +198,13 @@ def getSupportedDatatypes():
def changeEDEXHost(newHostName):
""""
"""
Changes the EDEX host the Data Access Framework is communicating with. Only
works if using the native Python client implemenation, otherwise, this
works if using the native Python client implementation, otherwise, this
method will throw a TypeError.
Args:
newHostHame: the EDEX host to connect to
"""
if USING_NATIVE_THRIFT:
global THRIFT_HOST