com.builtamont.cassandra.migration.internal.resolver.cql.CqlMigrationExecutor.kt Maven / Gradle / Ivy
/**
* File : CqlMigrationExecutor.kt
* License :
* Original - Copyright (c) 2015 - 2016 Contrast Security
* Derivative - Copyright (c) 2016 - 2017 Citadel Technology Solutions Pte Ltd
*
* 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 com.builtamont.cassandra.migration.internal.resolver.cql
import com.builtamont.cassandra.migration.api.resolver.MigrationExecutor
import com.builtamont.cassandra.migration.internal.dbsupport.CqlScript
import com.builtamont.cassandra.migration.internal.util.scanner.Resource
import com.datastax.driver.core.Session
/**
* Database migration based on a cql file.
*
* @param cqlScriptResource The resource containing the cql script.
* The complete CQL script is not held as a member field here because this would use the total
* size of all CQL migrations files in heap space during db migration.
* @param encoding The encoding of this CQL migration.
* @param timeout The timout duration of this CQL migration.
*/
class CqlMigrationExecutor(
private val cqlScriptResource: Resource,
private val encoding: String,
private val timeout: Int
) : MigrationExecutor {
/**
* Execute the CQL-based migration.
*
* @param session The Cassandra session connection to use to execute the migration.
*/
override fun execute(session: Session) {
val cqlScript = CqlScript(cqlScriptResource, encoding, timeout)
cqlScript.execute(session)
}
}