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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
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20 package org.sonar.server.platform.db.migration.engine;
22 import java.util.List;
23 import java.util.Optional;
24 import org.sonar.core.platform.SpringComponentContainer;
25 import org.sonar.server.platform.db.migration.history.MigrationHistory;
26 import org.sonar.server.platform.db.migration.step.MigrationSteps;
27 import org.sonar.server.platform.db.migration.step.MigrationStepsExecutor;
28 import org.sonar.server.platform.db.migration.step.MigrationStepsExecutorImpl;
29 import org.sonar.server.platform.db.migration.step.RegisteredMigrationStep;
31 public class MigrationEngineImpl implements MigrationEngine {
32 private final MigrationHistory migrationHistory;
33 private final SpringComponentContainer serverContainer;
34 private final MigrationSteps migrationSteps;
36 public MigrationEngineImpl(MigrationHistory migrationHistory, SpringComponentContainer serverContainer, MigrationSteps migrationSteps) {
37 this.migrationHistory = migrationHistory;
38 this.serverContainer = serverContainer;
39 this.migrationSteps = migrationSteps;
43 public void execute() {
44 MigrationContainer migrationContainer = new MigrationContainerImpl(serverContainer, MigrationStepsExecutorImpl.class);
46 MigrationStepsExecutor stepsExecutor = migrationContainer.getComponentByType(MigrationStepsExecutor.class);
47 Optional<Long> lastMigrationNumber = migrationHistory.getLastMigrationNumber();
49 List<RegisteredMigrationStep> steps = lastMigrationNumber
50 .map(i -> migrationSteps.readFrom(i + 1))
51 .orElse(migrationSteps.readAll());
54 stepsExecutor.execute(steps);
57 migrationContainer.cleanup();