package liquibase.diff.output.changelog.core;
import liquibase.change.Change;
import liquibase.change.core.DropSequenceChange;
import liquibase.database.Database;
import liquibase.database.core.PostgresDatabase;
import liquibase.diff.output.DiffOutputControl;
import liquibase.diff.output.changelog.AbstractChangeGenerator;
import liquibase.diff.output.changelog.ChangeGeneratorChain;
import liquibase.diff.output.changelog.UnexpectedObjectChangeGenerator;
import liquibase.structure.DatabaseObject;
import liquibase.structure.core.Sequence;
import liquibase.structure.core.Table;
public class UnexpectedSequenceChangeGenerator extends AbstractChangeGenerator implements UnexpectedObjectChangeGenerator {
@Override
public int getPriority(Class<? extends DatabaseObject> objectType, Database database) {
if (Sequence.class.isAssignableFrom(objectType)) {
return PRIORITY_DEFAULT;
}
return PRIORITY_NONE;
}
@Override
public Class<? extends DatabaseObject>[] runAfterTypes() {
return new Class[] { Table.class};
}
@Override
public Class<? extends DatabaseObject>[] runBeforeTypes() {
return null;
}
@Override
public Change[] fixUnexpected(DatabaseObject unexpectedObject, DiffOutputControl control, Database referenceDatabase, Database comparisonDatabase, ChangeGeneratorChain chain) {
Sequence sequence = (Sequence) unexpectedObject;
DropSequenceChange change = new DropSequenceChange();
change.setSequenceName(sequence.getName());
if (control.getIncludeCatalog()) {
change.setCatalogName(sequence.getSchema().getCatalogName());
}
if (control.getIncludeSchema()) {
change.setSchemaName(sequence.getSchema().getName());
}
return new Change[] { change };
}
}