package liquibase.diff.output.changelog.core;
import liquibase.change.Change;
import liquibase.change.core.DropTableChange;
import liquibase.database.Database;
import liquibase.diff.output.DiffOutputControl;
import liquibase.diff.output.changelog.ChangeGeneratorChain;
import liquibase.diff.output.changelog.UnexpectedObjectChangeGenerator;
import liquibase.structure.DatabaseObject;
import liquibase.structure.core.*;
public class UnexpectedTableChangeGenerator implements UnexpectedObjectChangeGenerator {
@Override
public int getPriority(Class<? extends DatabaseObject> objectType, Database database) {
if (Table.class.isAssignableFrom(objectType)) {
return PRIORITY_DEFAULT;
}
return PRIORITY_NONE;
}
@Override
public Class<? extends DatabaseObject>[] runAfterTypes() {
return null;
}
@Override
public Class<? extends DatabaseObject>[] runBeforeTypes() {
return new Class[] {Column.class, PrimaryKey.class};
}
@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 };
}
}