public XElement MigrateContent(XElement content, int fromVersion, int toVersion) {
IMigrationSegment<XElement> migrationSegment = ValidMigrations.FirstOrDefault(x => x.FromVersion == fromVersion && x.ToVersion == toVersion);
if(migrationSegment == null) {
throw new InvalidOperationException("Cannot migrate content from version " + fromVersion + " to version " + toVersion);
}
content = migrationSegment.Execute(content);
return content;
}
private MigrationPath _BuildMigrationPathUsingSequentialVersions(IContentMigrator migrator, int fromVersion, int toVersion)
{
MigrationPath migrationPath = new MigrationPath();
while (fromVersion != toVersion)
{
IMigrationSegment segment = _FindExactMigration(migrator, fromVersion, fromVersion + 1);
if (segment == null)
{
return(null);
}
migrationPath.Add(segment);
fromVersion++;
}
return(migrationPath);
}
public bool Equals(IMigrationSegment <T> other)
{
return(Equals((IMigrationSegment)other));
}
public bool Equals(IMigrationSegment other)
{
return(other.FromVersion == FromVersion && other.ToVersion == ToVersion);
}
public EmptyMigrator()
{
ValidMigrations = new IMigrationSegment <T>[] {};
}
