| /* |
| * 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.pig.impl.plan; |
| |
| import java.util.List; |
| |
| public class MapKeysInfo { |
| List<String> keys; |
| boolean needAllKeys; |
| public MapKeysInfo() { |
| needAllKeys = false; |
| keys = null; |
| } |
| public MapKeysInfo(List<String> keys) { |
| needAllKeys = false; |
| this.keys = keys; |
| } |
| public MapKeysInfo(boolean needAllKeys) { |
| this.needAllKeys = needAllKeys; |
| this.keys = null; |
| } |
| public MapKeysInfo(boolean needAllKeys, List<String> keys) { |
| this.needAllKeys = needAllKeys; |
| this.keys = keys; |
| } |
| public List<String> getKeys() |
| { |
| return keys; |
| } |
| public boolean needAllKeys() |
| { |
| return needAllKeys; |
| } |
| public String toString() |
| { |
| if (needAllKeys) |
| return "Need all keys"; |
| if (keys==null) |
| return "Empty"; |
| StringBuffer result = new StringBuffer(); |
| result.append("["); |
| for (int i=0;i<keys.size();i++) |
| { |
| result.append(keys.get(i)); |
| if (i!=keys.size()-1) |
| result.append(","); |
| } |
| result.append("]"); |
| return result.toString(); |
| } |
| } |