liquibase-core/src/main/java/liquibase/Liquibase.java
public void tag(String tagString) throws LiquibaseException {
        LockService lockService = LockServiceFactory.getInstance().getLockService(database);
        lockService.waitForLock();

        try {
            ChangeLogHistoryServiceFactory.getInstance().getChangeLogService(database).generateDeploymentId();

            checkLiquibaseTables(false, null, new Contexts(),
                new LabelExpression());
            getDatabase().tag(tagString);
        } finally {
            try {
                lockService.releaseLock();
            } catch (LockException e) {
                LOG.severe(LogType.LOG, MSG_COULD_NOT_RELEASE_LOCK, e);
            }
        }
    }
public void tag(String tagString) throws LiquibaseException {
        LockService lockService = LockServiceFactory.getInstance().getLockService(database);
        lockService.waitForLock();

        try {
            ChangeLogHistoryServiceFactory.getInstance().getChangeLogService(database).generateDeploymentId();

            checkLiquibaseTables(false, null, new Contexts(),
                new LabelExpression());
            getDatabase().tag(tagString);
        } finally {
            try {
                lockService.releaseLock();
            } catch (LockException e) {
                LOG.severe(LogType.LOG, MSG_COULD_NOT_RELEASE_LOCK, e);
            }
        }
    }
public void tag ( String tagString ) throws LiquibaseException { LockService lockService = LockServiceFactory . getInstance ( ) . getLockService ( database ) ; lockService . waitForLock ( ) ; try { ChangeLogHistoryServiceFactory . getInstance ( ) . getChangeLogService ( database ) . generateDeploymentId ( ) ; checkLiquibaseTables ( false , null , new Contexts ( ) , new LabelExpression ( ) ) ; getDatabase ( ) . tag ( tagString ) ; } finally { try { lockService . releaseLock ( ) ; } catch ( LockException e ) { LOG . severe ( LogType . LOG , MSG_COULD_NOT_RELEASE_LOCK , e ) ; } } }
'Tags' the database for future rollback
Tags the database for future rollback