package liquibase.diff.output.changelog.core;
import liquibase.change.Change;
import liquibase.change.core.CreateViewChange;
import liquibase.database.Database;
import liquibase.diff.ObjectDifferences;
import liquibase.diff.output.DiffOutputControl;
import liquibase.diff.output.changelog.ChangeGeneratorChain;
import liquibase.diff.output.changelog.ChangedObjectChangeGenerator;
import liquibase.structure.DatabaseObject;
import liquibase.structure.core.Table;
import liquibase.structure.core.View;
public class ChangedViewChangeGenerator implements ChangedObjectChangeGenerator {
@Override
public int getPriority(Class<? extends DatabaseObject> objectType, Database database) {
if (View.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[] fixChanged(DatabaseObject changedObject, ObjectDifferences differences, DiffOutputControl control, Database referenceDatabase, Database comparisonDatabase, ChangeGeneratorChain chain) {
View view = (View) changedObject;
CreateViewChange change = new CreateViewChange();
change.setViewName(view.getName());
if (control.getIncludeCatalog()) {
change.setCatalogName(view.getSchema().getCatalogName());
}
if (control.getIncludeSchema()) {
change.setSchemaName(view.getSchema().getName());
}
String selectQuery = view.getDefinition();
if (selectQuery == null) {
selectQuery = "COULD NOT DETERMINE VIEW QUERY";
}
change.setSelectQuery(selectQuery);
change.setReplaceIfExists(true);
return new Change[] { change };
}
}