/*
* 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.drill.exec.vector.accessor;
/**
* Interface for reading from tuples (rows or maps). Provides
* a column reader for each column that can be obtained either
* by name or column index (as defined in the tuple schema.)
* Also provides two generic methods to get the value as a
* Java object or as a string.
*/
public interface TupleReader extends TupleAccessor {
ColumnReader column(int colIndex);
ColumnReader column(String colName);
Object get(int colIndex);
String getAsString(int colIndex);
}