za.co.absa.enceladus.migrations.framework.Configuration.scala Maven / Gradle / Ivy
/*
* Copyright 2018-2019 ABSA Group Limited
*
* 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 za.co.absa.enceladus.migrations.framework
import java.util.Properties
object Configuration {
private val properties = new Properties()
/**
* A configuration key for setting up MongoDB query timeouts.
*/
private val migrationQueryTimeoutSecondsKey = "za.co.absa.enceladus.migration.mongo.query.timeout.seconds"
/**
* The name of the collection that keeps the latest usable database schema version.
*/
val DatabaseVersionCollectionName = "db_version"
/**
* The collection postfix to use for a non-zero model version.
*
* For instance, if the collection's base name is 'dataset', for model version 0 the collection name will
* be 'dataset', for version 1 it will be 'dataset_v1', for version 2 it will be 'dataset_v2', etc.
*/
val DatabaseVersionPostfix = "_v"
/**
* Returns a timeout in seconds for MongoDB queries.
*/
lazy val getMongoDbTimeoutSeconds: Int = System.getProperty(migrationQueryTimeoutSecondsKey,
properties.getProperty(migrationQueryTimeoutSecondsKey)).toInt
loadConfig()
private def loadConfig(): Unit = {
val is = getClass.getResourceAsStream("/application.properties")
try properties.load(is)
finally if (is != null) is.close()
}
}