class Athena::ORM::Migrations::Metadata::AvailableMigrationsList
inherits Reference

The available migrations, ordered by version.

Constructors

.new(items : Enumerable(AORM::Migrations::Metadata::AvailableMigration))

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Methods

#first(offset : Int32 = 0) : AORM::Migrations::Metadata::AvailableMigration

Returns the migration at offset from the start of the list.

Raises AORM::Migrations::Exception::NoMigrationsFoundWithCriteria if there isn't one.

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#has_migration?(version : AORM::Migrations::Version) : Bool

Returns true if the list contains a migration with the provided version.

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#items : Array(AORM::Migrations::Metadata::AvailableMigration)

Returns the migrations in the list.

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#last(offset : Int32 = 0) : AORM::Migrations::Metadata::AvailableMigration

Returns the last migration of the list, or the one offset before it when offset is negative.

Raises AORM::Migrations::Exception::NoMigrationsFoundWithCriteria if there isn't one.

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#migration(version : AORM::Migrations::Version) : AORM::Migrations::Metadata::AvailableMigration

Returns the migration with the provided version.

Raises AORM::Migrations::Exception::MigrationNotAvailable if the list doesn't contain one.

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#new_subset(executed_migrations : AORM::Migrations::Metadata::ExecutedMigrationsList) : self

Returns the migrations of this list that aren't in executed_migrations.

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#size : Int32

Returns the number of migrations in the list.

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