Examples with Change liquibase.change.Change used on opensource projects

Example 1 with Change

use of liquibase.change.Change in project liquibase by liquibase.

the class ChangeSet method rollback.

public void rollback(Database database) throws RollbackFailedException {
    try {
        Executor executor = ExecutorService.getInstance().getExecutor(database);
        executor.comment("Rolling Back ChangeSet: " + toString());
        database.setObjectQuotingStrategy(objectQuotingStrategy);
        // set auto-commit based on runInTransaction if database supports DDL in transactions
        if (database.supportsDDLInTransaction()) {
            database.setAutoCommit(!runInTransaction);
        }
        RanChangeSet ranChangeSet = database.getRanChangeSet(this);
        if (hasCustomRollbackChanges()) {
            final List<SqlStatement> statements = new LinkedList<SqlStatement>();
            for (Change change : rollback.getChanges()) {
                if (((change instanceof DbmsTargetedChange)) && !DatabaseList.definitionMatches(((DbmsTargetedChange) change).getDbms(), database, true)) {
                    continue;
                }
                ValidationErrors errors = change.validate(database);
                if (errors.hasErrors()) {
                    throw new RollbackFailedException("Rollback statement failed validation: " + errors.toString());
                }
                SqlStatement[] changeStatements = change.generateStatements(database);
                if (changeStatements != null) {
                    statements.addAll(Arrays.asList(changeStatements));
                }
            }
            if (!statements.isEmpty()) {
                database.executeRollbackStatements(statements.toArray(new SqlStatement[] {}), sqlVisitors);
            }
        } else {
            List<Change> changes = getChanges();
            for (int i = changes.size() - 1; i >= 0; i--) {
                Change change = changes.get(i);
                database.executeRollbackStatements(change, sqlVisitors);
            }
        }
        if (runInTransaction) {
            database.commit();
        }
        log.debug("ChangeSet " + toString() + " has been successfully rolled back.");
    } catch (Exception e) {
        try {
            database.rollback();
        } catch (DatabaseException e1) {
        //ok
        }
        throw new RollbackFailedException(e);
    } finally {
        // but only if the database supports DDL in transactions
        if (!runInTransaction && database.supportsDDLInTransaction()) {
            try {
                database.setAutoCommit(false);
            } catch (DatabaseException e) {
                throw new RollbackFailedException("Could not resetInternalState autocommit", e);
            }
        }
    }
}

Example 2 with Change

use of liquibase.change.Change in project liquibase by liquibase.

the class UnexpectedForeignKeyChangeGenerator method fixUnexpected.

@Override
public Change[] fixUnexpected(DatabaseObject unexpectedObject, DiffOutputControl control, Database referenceDatabase, Database comparisonDatabase, ChangeGeneratorChain chain) {
    ForeignKey fk = (ForeignKey) unexpectedObject;
    DropForeignKeyConstraintChange change = new DropForeignKeyConstraintChange();
    change.setConstraintName(fk.getName());
    change.setBaseTableName(fk.getForeignKeyTable().getName());
    if (control.getIncludeCatalog()) {
        change.setBaseTableCatalogName(fk.getForeignKeyTable().getSchema().getCatalogName());
    }
    if (control.getIncludeSchema()) {
        change.setBaseTableSchemaName(fk.getForeignKeyTable().getSchema().getName());
    }
    Index backingIndex = fk.getBackingIndex();
    // if (backingIndex == null) {
    // Index exampleIndex = new Index().setTable(fk.getForeignKeyTable());
    // for (String col : fk.getForeignKeyColumns().split("\\s*,\\s*")) {
    // exampleIndex.getColumns().add(col);
    // }
    // control.setAlreadyHandledUnexpected(exampleIndex);
    // } else {
    control.setAlreadyHandledUnexpected(backingIndex);
    return new Change[] { change };
}

Example 3 with Change

use of liquibase.change.Change in project liquibase by liquibase.

the class UnexpectedPrimaryKeyChangeGenerator method fixUnexpected.

@Override
public Change[] fixUnexpected(DatabaseObject unexpectedObject, DiffOutputControl control, Database referenceDatabase, Database comparisonDatabase, ChangeGeneratorChain chain) {
    // if (!diffResult.getObjectDiff(Table.class).getUnexpected().contains(pk.getTable())) {
    PrimaryKey pk = (PrimaryKey) unexpectedObject;
    DropPrimaryKeyChange change = new DropPrimaryKeyChange();
    change.setTableName(pk.getTable().getName());
    if (control.getIncludeCatalog()) {
        change.setCatalogName(pk.getTable().getSchema().getCatalogName());
    }
    if (control.getIncludeSchema()) {
        change.setSchemaName(pk.getTable().getSchema().getName());
    }
    change.setConstraintName(pk.getName());
    Index backingIndex = pk.getBackingIndex();
    control.setAlreadyHandledUnexpected(backingIndex);
    return new Change[] { change };
// }
}

Example 4 with Change

use of liquibase.change.Change in project liquibase by liquibase.

the class UnexpectedTableChangeGenerator method fixUnexpected.

@Override
public Change[] fixUnexpected(DatabaseObject unexpectedObject, DiffOutputControl control, Database referenceDatabase, Database comparisonDatabase, ChangeGeneratorChain chain) {
    Table unexpectedTable = (Table) unexpectedObject;
    DropTableChange change = new DropTableChange();
    change.setTableName(unexpectedTable.getName());
    if (control.getIncludeCatalog()) {
        change.setCatalogName(unexpectedTable.getSchema().getCatalogName());
    }
    if (control.getIncludeSchema()) {
        change.setSchemaName(unexpectedTable.getSchema().getName());
    }
    for (Column column : unexpectedTable.getColumns()) {
        control.setAlreadyHandledUnexpected(column);
    }
    ;
    control.setAlreadyHandledUnexpected(unexpectedTable.getPrimaryKey());
    for (Index index : unexpectedTable.getIndexes()) {
        control.setAlreadyHandledUnexpected(index);
    }
    control.setAlreadyHandledUnexpected(unexpectedTable.getPrimaryKey());
    if (unexpectedTable.getPrimaryKey() != null) {
        control.setAlreadyHandledUnexpected(unexpectedTable.getPrimaryKey().getBackingIndex());
    }
    return new Change[] { change };
}

Example 5 with Change

use of liquibase.change.Change in project liquibase by liquibase.

the class UnexpectedViewChangeGenerator method fixUnexpected.

@Override
public Change[] fixUnexpected(DatabaseObject unexpectedObject, DiffOutputControl control, Database referenceDatabase, Database comparisonDatabase, ChangeGeneratorChain chain) {
    View view = (View) unexpectedObject;
    DropViewChange change = new DropViewChange();
    change.setViewName(view.getName());
    if (control.getIncludeCatalog()) {
        change.setCatalogName(view.getSchema().getCatalogName());
    }
    if (control.getIncludeSchema()) {
        change.setSchemaName(view.getSchema().getName());
    }
    for (Column column : view.getColumns()) {
        control.setAlreadyHandledUnexpected(column);
    }
    ;
    return new Change[] { change };
}