X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FDeploymentHandler%2FHandlesDeploy.pm;h=14c3256740a1c4b22cb6cd5a0b46bbd9bd0b92d8;hb=ff40cb1f9761e5118c2042e7b6f7e8bb947bd20a;hp=4ff7694a71459f18a3a34ea4eee6516aa418ba88;hpb=96ef97e5693ee296b0b1eedf9910101dfb329a5a;p=dbsrgits%2FDBIx-Class-DeploymentHandler.git

diff --git a/lib/DBIx/Class/DeploymentHandler/HandlesDeploy.pm b/lib/DBIx/Class/DeploymentHandler/HandlesDeploy.pm
index 4ff7694..14c3256 100644
--- a/lib/DBIx/Class/DeploymentHandler/HandlesDeploy.pm
+++ b/lib/DBIx/Class/DeploymentHandler/HandlesDeploy.pm
@@ -1,59 +1,124 @@
 package DBIx::Class::DeploymentHandler::HandlesDeploy;
 use Moose::Role;
 
-requires 'prepare_install';
+# ABSTRACT: Interface for deploy methods
+
+requires 'initialize';
+
+requires 'prepare_deploy';
+requires 'deploy';
+
 requires 'prepare_resultsource_install';
 requires 'install_resultsource';
+
 requires 'prepare_upgrade';
-requires 'prepare_downgrade';
 requires 'upgrade_single_step';
+
+requires 'prepare_downgrade';
 requires 'downgrade_single_step';
-requires 'deploy';
 
 1;
 
+# vim: ts=2 sw=2 expandtab
+
 __END__
 
-# should this be renamed prepare_deploy?
+=method initialize
+
+ $dh->initialize({
+   version      => 1,
+   storage_type => 'SQLite'
+ });
+
+Run scripts before deploying to the database
+
+=method prepare_deploy
 
-=method prepare_install
+ $dh->prepare_deploy
 
- $deploy_method->prepare_install;
+Generate the needed data files to install the schema to the database.
 
 =method deploy
 
- $deploy_method->deploy;
+ $dh->deploy({ version => 1 })
+
+Deploy the schema to the database.
 
 =method prepare_resultsource_install
 
- $deploy_method->prepare_resultsource_install($resultset->result_source);
+ $dh->prepare_resultsource_install({
+   result_source => $resultset->result_source,
+ })
+
+Takes a L<DBIx::Class::ResultSource> and generates a single migration file to
+create the resultsource's table.
 
 =method install_resultsource
 
- $deploy_method->prepare_resultsource_install($resultset->result_source);
+ $dh->install_resultsource({
+   result_source => $resultset->result_source,
+   version       => 1,
+ })
 
-# for updates prepared automatically (rob's stuff)
-# one would want to explicitly set $version_set to
-# [$to_version]
+Takes a L<DBIx::Class::ResultSource> and runs a single migration file to
+deploy the resultsource's table.
 
 =method prepare_upgrade
 
- $deploy_method->prepare_upgrade(1, 2, [1, 2]);
+ $dh->prepare_upgrade({
+   from_version => 1,
+   to_version   => 2,
+   version_set  => [1, 2]
+ });
 
-# for updates prepared automatically (rob's stuff)
-# one would want to explicitly set $version_set to
-# [$to_version]
+Takes two versions and a version set.  This basically is supposed to generate
+the needed C<SQL> to migrate up from the first version to the second version.
+The version set uniquely identifies the migration.
 
 =method prepare_downgrade
 
- $deploy_method->prepare_downgrade(2, 1, [1, 2]);
+ $dh->prepare_downgrade({
+   from_version => 1,
+   to_version   => 2,
+   version_set  => [1, 2]
+ });
+
+Takes two versions and a version set.  This basically is supposed to generate
+the needed C<SQL> to migrate down from the first version to the second version.
+The version set uniquely identifies the migration and should match it's
+respective upgrade version set.
 
 =method upgrade_single_step
 
- $deploy_method->upgrade_single_step([1, 2]);
+ my ($ddl, $sql) = @{
+   $dh->upgrade_single_step({ version_set => $version_set })
+ ||[]}
+
+Call a single upgrade migration.  Takes a version set as an argument.
+Optionally return C<< [ $ddl, $upgrade_sql ] >> where C<$ddl> is the DDL for
+that version of the schema and C<$upgrade_sql> is the SQL that was run to
+upgrade the database.
 
 =method downgrade_single_step
 
- $deploy_method->upgrade_single_step([1, 2]);
+ $dh->downgrade_single_step($version_set);
+
+Call a single downgrade migration.  Takes a version set as an argument.
+Optionally return C<< [ $ddl, $upgrade_sql ] >> where C<$ddl> is the DDL for
+that version of the schema and C<$upgrade_sql> is the SQL that was run to
+upgrade the database.
+
+=head1 KNOWN IMPLEMENTATIONS
+
+=over
+
+=item *
+
+L<DBIx::Class::DeploymentHandler::DeployMethod::SQL::Translator>
+
+=item *
+
+L<DBIx::Class::DeploymentHandler::DeployMethod::SQL::Translator::Deprecated>
+
+=back
 
-vim: ts=2 sw=2 expandtab