kangaroo-and-rabbit/archidata
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[DOC] add some comment in migration

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This commit is contained in:
Edouard DUPIN 2023-06-27 23:53:41 +02:00
parent 3a4217391a
commit 144190fc4b
1 changed files with 23 additions and 5 deletions
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28
src/org/kar/archidata/migration/MigrationEngine.java
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@ -6,8 +6,6 @@ import java.util.ArrayList;
import java.util.List;
import org.kar.archidata.SqlWrapper;
import org.kar.archidata.annotation.SQLComment;
import org.kar.archidata.annotation.SQLLimitSize;
import org.kar.archidata.db.DBConfig;
import org.kar.archidata.db.DBEntry;
import org.slf4j.Logger;
@ -21,23 +19,38 @@ public class MigrationEngine {
// initialization of the migration if the DB is not present...
private MigrationInterface init;
/**
* Migration engine constructor (empty).
*/
public MigrationEngine() {
this(new ArrayList<MigrationInterface>(), null);
}
/**
* Migration engine constructor (specific mode).
* @param datas All the migration ordered.
* @param init Initialization migration model.
*/
public MigrationEngine( List<MigrationInterface> datas, MigrationInterface init) {
this.datas = datas;
this.init = init;
}
/**
* Add a Migration in the list
* @param migration Migration to add.
*/
public void add(MigrationInterface migration) {
datas.add(migration);
}
/**
* Set first initialization class
* @param migration migration class for first init.
*/
public void setInit(MigrationInterface migration) {
init = migration;
}
/**
* Get the current version/migration name
* @return String represent the last migration. If null then no migration has been done.
* @return Model represent the last migration. If null then no migration has been done.
*/
public MigrationModel getCurrentVersion() {
if (!SqlWrapper.isTableExist("KAR_migration")) {
@ -64,7 +77,12 @@ public class MigrationEngine {
}
return null;
}
/**
* Process the automatic migration of the system
* @param config SQL connection for the migration
* @throws InterruptedException user interrupt the migration
* @throws IOException Error if access on the DB
*/
public void migrate(DBConfig config) throws InterruptedException, IOException {
LOGGER.info("Execute migration ... [BEGIN]");