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DbMigration is also a plugin now

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This commit is contained in:
Roland Praml
2022-01-03 16:58:14 +01:00
parent 8927f16477
commit e2b412aa5a
4 changed files with 55 additions and 72 deletions
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ebean-ddl-generator/src/main/java/io/ebeaninternal/dbmigration/DbMigrationPlugin.java
+18 -2
View File
@@ -2,6 +2,7 @@ package io.ebeaninternal.dbmigration;
import java.io.IOException;
import io.ebean.config.DatabaseConfig;
import io.ebean.plugin.Plugin;
import io.ebean.plugin.SpiServer;
@@ -9,6 +10,9 @@ public class DbMigrationPlugin implements Plugin {
private DefaultDbMigration dbMigration;
private static String lastMigration;
private static String lastInit;
@Override
public void configure(SpiServer server) {
dbMigration = new DefaultDbMigration();
@@ -18,11 +22,16 @@ public class DbMigrationPlugin implements Plugin {
@Override
public void online(boolean online) {
try {
lastInit = null;
lastMigration = null;
if (dbMigration.generate) {
dbMigration.generateMigration();
String tmp = lastMigration = dbMigration.generateMigration();
if (tmp == null) {
return;
}
}
if (dbMigration.generateInit) {
dbMigration.generateInitMigration();
lastInit = dbMigration.generateInitMigration();
}
} catch (IOException e) {
throw new RuntimeException("Error while generating migration");
@@ -34,4 +43,11 @@ public class DbMigrationPlugin implements Plugin {
dbMigration = null;
}
public static String getLastInit() {
return lastInit;
}
public static String getLastMigration() {
return lastMigration;
}
}
ebean-ddl-generator/src/main/java/io/ebeaninternal/dbmigration/DefaultDbMigration.java
+9 -6
View File
@@ -134,6 +134,7 @@ public class DefaultDbMigration implements DbMigration {
protected boolean includeIndex;
protected boolean generate = true;
protected boolean generateInit = false;
private boolean keepLastInit = true;
/**
* Create for offline migration generation.
@@ -428,7 +429,7 @@ public class DefaultDbMigration implements DbMigration {
for (String pendingDrop : request.getPendingDrops()) {
sj.add(generatePendingDrop(request, pendingDrop));
}
return sj.toString();
return sj.length() == 0 ? null : sj.toString();
} else if (pendingVersion != null) {
return generatePendingDrop(request, pendingVersion);
} else {
@@ -666,11 +667,8 @@ public class DefaultDbMigration implements DbMigration {
logError("migration already exists, not generating DDL");
return null;
} else {
if (request.initMigration) {
FIXME: Hier sollten wir dann die vorhandenen löschen
}
if (!platforms.isEmpty()) {
writeExtraPlatformDdl(fullVersion, request.currentModel, dbMigration, request.migrationDir);
writeExtraPlatformDdl(fullVersion, request.currentModel, dbMigration, request.migrationDir, request.initMigration && keepLastInit);
} else if (databasePlatform != null) {
// writer needs the current model to provide table/column details for
@@ -742,12 +740,17 @@ public class DefaultDbMigration implements DbMigration {
/**
* Write any extra platform ddl.
*/
private void writeExtraPlatformDdl(String fullVersion, CurrentModel currentModel, Migration dbMigration, File writePath) throws IOException {
private void writeExtraPlatformDdl(String fullVersion, CurrentModel currentModel, Migration dbMigration, File writePath, boolean clear) throws IOException {
DdlOptions options = new DdlOptions(addForeignKeySkipCheck);
for (Pair pair : platforms) {
DdlWrite platformBuffer = new DdlWrite(new MConfiguration(), currentModel.read(), options);
PlatformDdlWriter platformWriter = createDdlWriter(pair.platform);
File subPath = platformWriter.subPath(writePath, pair.prefix);
if (clear) {
for (File existing : subPath.listFiles()) {
existing.delete();
}
}
platformWriter.processMigration(dbMigration, platformBuffer, subPath, fullVersion);
}
}