Migrator Class Reference

Collaboration diagram for Migrator:

Public Member Functions
	__construct ($migrations_path, SchemaVersion $version, $verbose=false)
	migrate_to ($target_version)
	relevant_migrations ($target_version)
	migration_classes ()
	top_version ()

Protected Member Functions
	migration_class ($migration)
	migration_files ()
	migration_version_and_name ($migration_file)
	log ($format)

Constructor & Destructor Documentation

__construct()

__construct	(		$migrations_path,
		SchemaVersion	$version,
			$verbose = false
	)

Constructor.

Parameters

string	a file path to the directory containing the migration files
SchemaVersion	the current schema version persistor
boolean	verbose or not

Returns

void

Member Function Documentation

log()

log (   $format )

protected

Overridable method used to return a textual representation of what's going on in me. You can use me as you would use printf.

Parameters

string

just a dummy value, instead use this method as you would use printf & co.

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migrate_to()

migrate_to

(

$target_version

)

Invoking this method will perform the migrations with an index between the current schema version (provided by the SchemaVersion object) and a target version calling the methods #up and #down in sequence.

Parameters

mixed

the target version as an integer or NULL thus migrating to the top migration

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migration_class()

migration_class (   $migration )

protected

Maps a file name to a class name.

Parameters

string

part of the file name

Returns

string the derived class name

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migration_classes()

migration_classes

(

)

Returns the collection (an array) of all migrations in this migrator's path.

Returns

array an associative array, whose keys are the migration's version and whose values are arrays containing the migration's file and class name.

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migration_files()

migration_files ( )

protected

Return all migration file names from my migrations_path.

Returns

array a collection of file names

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migration_version_and_name()

migration_version_and_name (   $migration_file )

protected

Split a migration file name into that migration's version and name.

Parameters

string

a file name

Returns

array an array of two elements containing the migration's version and name.

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relevant_migrations()

relevant_migrations

(

$target_version

)

Invoking this method will return a list of migrations with an index between the current schema version (provided by the SchemaVersion object) and a target version calling the methods #up and #down in sequence.

Parameters

mixed

the target version as an integer or NULL thus migrating to the top migration

Returns

array an associative array, whose keys are the migration's version and whose values are the migration objects

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top_version()

top_version

(

)

Returns the top migration's version.

Returns

int the top migration's version.

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The documentation for this class was generated from the following file:

• lib/migrations/Migrator.php