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Phoenix Mapreduce JAR for use with the "hbase mapredcp" classpath

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/*
 * 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.phoenix.parse;

import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.apache.hadoop.hbase.util.Pair;

import org.apache.phoenix.thirdparty.com.google.common.collect.ImmutableList;

import org.apache.phoenix.schema.SortOrder;

public class IndexKeyConstraint {
	public static final IndexKeyConstraint EMPTY = new IndexKeyConstraint(Collections.>emptyList());

    private final List> columnNameToSortOrder;
    
    IndexKeyConstraint(List> parseNodeAndSortOrder) {
        this.columnNameToSortOrder = ImmutableList.copyOf(parseNodeAndSortOrder);
    }

    public List> getParseNodeAndSortOrderList() {
        return columnNameToSortOrder;
    }

    @Override
    public String toString() {
        StringBuffer sb = new StringBuffer();
        for(Pair entry : columnNameToSortOrder) {
            if(sb.length()!=0) {
                sb.append(", ");
            }
            sb.append(entry.getFirst().toString());
            if(entry.getSecond() != SortOrder.getDefault()) {
                sb.append(" "+entry.getSecond());
            }
        }
        return sb.toString();
    }
}