org.openmrs.liquibase

Class ChangeLogDetective

java.lang.Object

org.openmrs.liquibase.ChangeLogDetective

public class ChangeLogDetective
extends Object

Figures out which Liquibase change logs were used to initialise an OpenMRS database and which change logs need to be run on top of that when updating the database.

Since:

2.4

Constructor Summary

Constructors

Constructor and Description
ChangeLogDetective()

Method Summary

Modifier and Type	Method and Description
String	getInitialLiquibaseSnapshotVersion(String context, LiquibaseProvider liquibaseProvider) Returns the version of the Liquibase snapshot that had been used to initialise the OpenMRS database.
List<String>	getUnrunLiquibaseUpdateFileNames(String snapshotVersion, String context, LiquibaseProvider liquibaseProvider) Returns a list of Liquibase update files that contain un-run change sets.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ChangeLogDetective

public ChangeLogDetective()

Method Detail

getInitialLiquibaseSnapshotVersion

public String getInitialLiquibaseSnapshotVersion(String context,
                                                 LiquibaseProvider liquibaseProvider)
                                          throws Exception

Returns the version of the Liquibase snapshot that had been used to initialise the OpenMRS database. The version is needed to determine which Liquibase update files need to be checked for un-run change sets and may need to be (re-)run to apply the latest changes to the OpenMRS database.

Parameters:

liquibaseProvider - provides access to a Liquibase instance

Returns:

the version of the Liquibase snapshot that had been used to initialise the OpenMRS database

Throws:

Exception

getUnrunLiquibaseUpdateFileNames

public List<String> getUnrunLiquibaseUpdateFileNames(String snapshotVersion,
                                                     String context,
                                                     LiquibaseProvider liquibaseProvider)
                                              throws Exception

Returns a list of Liquibase update files that contain un-run change sets.

Parameters:

snapshotVersion - the snapshot version that had been used to initialise the OpenMRS database

liquibaseProvider - provides access to a Liquibase instance

Returns:

a list of Liquibase update files that contain un-run change sets.

Throws:

Exception