| /* |
| * 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 java.util.List; |
| import java.util.Map; |
| |
| import edu.uci.ics.hyracks.algebricks.core.algebra.base.EquivalenceClass; |
| import edu.uci.ics.hyracks.algebricks.core.algebra.base.LogicalVariable; |
| |
| public class RandomPartitioningProperty implements IPartitioningProperty { |
| |
| private INodeDomain domain; |
| |
| public RandomPartitioningProperty(INodeDomain domain) { |
| this.domain = domain; |
| } |
| |
| @Override |
| public PartitioningType getPartitioningType() { |
| return PartitioningType.RANDOM; |
| } |
| |
| @Override |
| public String toString() { |
| return getPartitioningType() + " domain:" + domain; |
| } |
| |
| @Override |
| public void normalize(Map<LogicalVariable, EquivalenceClass> equivalenceClasses, List<FunctionalDependency> fds) { |
| // do nothing |
| } |
| |
| @Override |
| public void getColumns(Collection<LogicalVariable> columns) { |
| } |
| |
| @Override |
| public INodeDomain getNodeDomain() { |
| return domain; |
| } |
| |
| @Override |
| public void setNodeDomain(INodeDomain domain) { |
| this.domain = domain; |
| } |
| |
| } |