/*
* 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.accumulo.columns;
import org.apache.accumulo.core.data.Mutation;
import org.apache.hadoop.hive.accumulo.AccumuloHiveConstants;
import com.google.common.base.Preconditions;
/**
* {@link ColumnMapping} which corresponds to the Hive column which should be used as the rowID in a
* {@link Mutation}
*/
public class HiveAccumuloRowIdColumnMapping extends ColumnMapping {
public HiveAccumuloRowIdColumnMapping(String columnSpec, ColumnEncoding encoding,
String columnName, String columnType) {
super(columnSpec, encoding, columnName, columnType);
// Ensure that we have the correct identifier as the column name
Preconditions.checkArgument(columnSpec.equalsIgnoreCase(AccumuloHiveConstants.ROWID));
}
@Override
public String toString() {
return "[" + this.getClass().getSimpleName() + ", " + this.mappingSpec + ", encoding "
+ encoding + "]";
}
}