parquet.column.ColumnReadStore Maven / Gradle / Ivy
/**
* Copyright 2012 Twitter, Inc.
*
* 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.
*/
package parquet.column;
/**
* Container which can produce a ColumnReader for any given column in a schema.
*
* @author Julien Le Dem
*/
public interface ColumnReadStore {
/**
* @param path the column to read
* @return the column reader for that descriptor
*/
abstract public ColumnReader getColumnReader(ColumnDescriptor path);
}