| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * you may obtain a copy of the License from |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package edu.uci.ics.hyracks.algebricks.core.algebra.properties; |
| |
| import java.util.Collection; |
| |
| import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.OrderOperator.IOrder.OrderKind; |
| |
| public final class LocalOrderProperty implements ILocalStructuralProperty { |
| |
| private OrderColumn orderColumn; |
| |
| public LocalOrderProperty(OrderColumn orderColumn) { |
| this.orderColumn = orderColumn; |
| } |
| |
| public OrderColumn getOrderColumn() { |
| return orderColumn; |
| } |
| |
| public void setOrderColumn(OrderColumn orderColumn) { |
| this.orderColumn = orderColumn; |
| } |
| |
| public LogicalVariable getColumn() { |
| return orderColumn.getColumn(); |
| } |
| |
| public OrderKind getOrder() { |
| return orderColumn.getOrder(); |
| } |
| |
| @Override |
| public PropertyType getPropertyType() { |
| return PropertyType.LOCAL_ORDER_PROPERTY; |
| } |
| |
| @Override |
| public void getColumns(Collection<LogicalVariable> columns) { |
| columns.add(getColumn()); |
| } |
| |
| @Override |
| public String toString() { |
| return orderColumn.toString(); |
| } |
| |
| @Override |
| public void getVariables(Collection<LogicalVariable> variables) { |
| variables.add(orderColumn.getColumn()); |
| } |
| |
| } |