/tags/release-0.1-rc2/hive/external/ql/src/java/org/apache/hadoop/hive/ql/plan/UnionDesc.java
# · Java · 52 lines · 17 code · 7 blank · 28 comment · 0 complexity · 134572c8aaae58cf549ce0bc2b2ee1ba MD5 · raw file
- /**
- * 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.hadoop.hive.ql.plan;
- import java.io.Serializable;
- /**
- * unionDesc is a empty class currently. However, union has more than one input
- * (as compared with forward), and therefore, we need a separate class.
- **/
- @Explain(displayName = "Union")
- public class UnionDesc implements Serializable {
- private static final long serialVersionUID = 1L;
- private transient int numInputs;
- @SuppressWarnings("nls")
- public UnionDesc() {
- numInputs = 2;
- }
- /**
- * @return the numInputs
- */
- public int getNumInputs() {
- return numInputs;
- }
- /**
- * @param numInputs
- * the numInputs to set
- */
- public void setNumInputs(int numInputs) {
- this.numInputs = numInputs;
- }
- }