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events.go
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events.go
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/********************************************************************************
* Copyright 2019 Dell Inc.
*
* 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.
*******************************************************************************/
package container
import "github.com/edgexfoundry/go-mod-bootstrap/di"
// EventsChannelName contains the name of the Events channel instance in the DIC.
const EventsChannelName = "CoreDataEventsChannel"
// PublisherEventsChannelFrom helper function queries the DIC and returns the Events channel instance used for
// publishing over the channel.
//
// NOTE If there is a need to obtain a consuming version of the channel create a new helper function which will get the
// channel from the container and cast it to a consuming channel. The type casting will aid in avoiding errors by
// restricting functionality.
func PublisherEventsChannelFrom(get di.Get) chan<- interface{} {
return get(EventsChannelName).(chan interface{})
}