| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 at |
| * |
| * 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 org.apache.oodt.profile.handlers.lightweight; |
| |
| import java.util.Set; |
| import org.apache.oodt.profile.ProfileElement; |
| |
| /** |
| * A union of matching elements. |
| * |
| * @author Kelly |
| */ |
| class Union implements Result { |
| /** |
| * Construct a union. |
| * |
| * @param lhs Left-hand side |
| * @param rhs Right-hand side. |
| */ |
| public Union(Result lhs, Result rhs) { |
| this.lhs = lhs; |
| this.rhs = rhs; |
| } |
| |
| public Set matchingElements() { |
| Set union = ProfileElement.profiles(lhs.matchingElements()); |
| union.addAll(ProfileElement.profiles(rhs.matchingElements())); |
| Set rc = ProfileElement.elements(union, lhs.matchingElements()); |
| rc.addAll(ProfileElement.elements(union, rhs.matchingElements())); |
| return rc; |
| } |
| |
| public String toString() { |
| return "union[" + lhs + "," + rhs + "]"; |
| } |
| |
| /** Left-hand side of the result. */ |
| private Result lhs; |
| |
| /** Right-hand side of the result. */ |
| private Result rhs; |
| } |