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ENT-1330: Liquibase migration generation tool (#339)

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* [ENT-1330]: Tool to generate migration files for CorDapps

* [ENT-1330]: cleanups

* [ENT-1330]: cleanups

* [ENT-1330]: added test to check if a migration file is properly generated and picked up
This commit is contained in:
Tudor Malene
2018-01-12 09:53:42 +00:00
committed by GitHub
parent 671f221451
commit e7cc38cf1b
7 changed files with 241 additions and 34 deletions
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27
core/src/main/kotlin/net/corda/core/schemas/PersistentTypes.kt
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@ -81,23 +81,28 @@ data class PersistentStateRef(
interface StatePersistable
private const val MIGRATION_PREFIX = "migration"
private const val DEFAULT_MIGRATION_EXTENSION = "xml"
private const val CHANGELOG_NAME = "changelog-master"
private val possibleMigrationExtensions = listOf(".xml", ".sql", ".yml", ".json")
fun getMigrationResource(schema: MappedSchema): String? {
fun getMigrationResource(schema: MappedSchema): String? {
val declaredMigration = schema.getMigrationResource()
if (declaredMigration == null) {
// try to apply a naming convention
// SchemaName will be transformed from camel case to hyphen
// then ".changelog-master" plus one of the supported extensions will be added
val name: String = schema::class.simpleName!!
val fileName = CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_HYPHEN, name)
val resource = "${MIGRATION_PREFIX}/${fileName}.changelog-master"
val foundResource = possibleMigrationExtensions.map { "${resource}${it}" }.firstOrNull {
// try to apply the naming convention and find the migration file in the classpath
val resource = migrationResourceNameForSchema(schema)
return possibleMigrationExtensions.map { "${resource}${it}" }.firstOrNull {
Thread.currentThread().contextClassLoader.getResource(it) != null
}
return foundResource
} else {
return "${MIGRATION_PREFIX}/${declaredMigration}.xml"
}
return "${MIGRATION_PREFIX}/${declaredMigration}.${DEFAULT_MIGRATION_EXTENSION}"
}
// SchemaName will be transformed from camel case to lower_hyphen
// then add ".changelog-master"
fun migrationResourceNameForSchema(schema: MappedSchema): String {
val name: String = schema::class.simpleName!!
val fileName = CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_HYPHEN, name)
return "${MIGRATION_PREFIX}/${fileName}.${CHANGELOG_NAME}"
}