Java List Join getJoinKeyValues(List tuple, List joinKeyIndices)

Description

get Join Key Values

License

Open Source License

Declaration

public static List<String> getJoinKeyValues(List<String> tuple,
            List<Integer> joinKeyIndices) 

Method Source Code

//package com.java2s;
/*/*w  ww  .  ja  v a  2 s.co m*/
 * Copyright (c) 2011-2015 EPFL DATA Laboratory
 * Copyright (c) 2014-2015 The Squall Collaboration (see NOTICE)
 *
 * All rights reserved.
 *
 * 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 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.
 */

import java.util.ArrayList;
import java.util.List;

public class Main {
    public static List<String> getJoinKeyValues(List<String> tuple,
            List<Integer> joinKeyIndices) {
        final ArrayList<String> values = new ArrayList<String>();
        for (final int ind : joinKeyIndices) {
            final String val = tuple.get(ind);
            values.add(val);
        }
        return values;
    }
}

Related

1. concat(List tokens, int start, int end, String joiner)
2. concatAndJoin(String sep, List data, String prefix, String suffix)
3. contains(List joinParams, int joinIndex)
4. join(char separator, List seqs)
5. join(CharSequence delimiter, Iterable list)
6. join(CharSequence delimiter, List elements)
7. join(Collection list, String separator)