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#  Copyright (c) 2019 Bell Canada.
#
#  Licensed under the Apache License, Version 2.0 (the "License");
#  you may not use this file except in compliance with the License.
#  You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
#  Unless required by applicable law or agreed to in writing, software
#  distributed under the License is distributed on an "AS IS" BASIS,
#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#  See the License for the specific language governing permissions and
#  limitations under the License.

from abstract_ra_processor import AbstractRAProcessor
from blueprint_constants import *
from java.lang import Exception as JavaException

class DescriptionExample(AbstractRAProcessor):

    def process(self, resource_assignment):
        try:
            # get dependencies result
            value = self.raRuntimeService.getStringFromResolutionStore("vf-module-type")
            
            # logic based on dependency outcome
            result = ""
            if value == "vfw":
                result = "This is the Virtual Firewall entity"
            elif value == "vsn":
                result = "This is the Virtual Sink entity"
            elif value == "vpg":
                result = "This is the Virtual Packet Generator"

            # set value for resource getting currently resolved
            self.set_resource_data_value(resource_assignment, result)

        except JavaException, err:
          log.error("Java Exception in the script {}", err)
        except Exception, err:
          log.error("Python Exception in the script {}", err)
        return None

    def recover(self, runtime_exception, resource_assignment):
        print self.addError(runtime_exception.getMessage())
        return None