one.edee.darwin.storage

Interface StorageChecker

All Known Implementing Classes:

DefaultDatabaseStorageChecker

public interface StorageChecker

Contains method for checking storage version of the component when there is no record in Darwin internal data storage.

Author:

Jan Novotný, FG Forrest a.s. (c) 2007

Method Summary

Modifier and Type	Method and Description
boolean	existPatchAndSqlTable() Looks at table schema and return true if tables DARWIN_PATCH and DARWIN_SQL exist
Platform	getPlatform() Returns platform of the storage.
boolean	guessPatchAlreadyApplied(String componentName, DarwinStorage darwinStorage, VersionDescriptor checkedVersion) Executes script that allows to guess if particular patch is already present in database.
VersionDescriptor	guessVersion(String componentName, DarwinStorage darwinStorage) Executes script that allows to guess existing version of the data layer.

Method Detail

getPlatform

Platform getPlatform()

Returns platform of the storage.

guessVersion

VersionDescriptor guessVersion(String componentName,
                               DarwinStorage darwinStorage)

Executes script that allows to guess existing version of the data layer.

Parameters:

componentName - unique name of the component

darwinStorage - storage implementation

guessPatchAlreadyApplied

boolean guessPatchAlreadyApplied(String componentName,
                                 DarwinStorage darwinStorage,
                                 VersionDescriptor checkedVersion)

Executes script that allows to guess if particular patch is already present in database.

Parameters:

componentName - unique name of the component

darwinStorage - storage implementation

checkedVersion - version identification that is required to be detected from the current DB schema

Returns:

true if checkedVersion is already present in the database

existPatchAndSqlTable

boolean existPatchAndSqlTable()

Looks at table schema and return true if tables DARWIN_PATCH and DARWIN_SQL exist

Returns:

true if tables exists