/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* 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 org.neo4j.driver.v1;
import org.neo4j.driver.v1.util.Function;
/**
* Static utility methods for retaining records
*
* @see StatementResult#list()
* @since 1.0
*/
public abstract class Records
{
public static Function<Record,Value> column( int index )
{
return column( index, Values.ofValue() );
}
public static Function<Record, Value> column( String key )
{
return column( key, Values.ofValue() );
}
public static <T> Function<Record, T> column( final int index, final Function<Value, T> mapFunction )
{
return new Function<Record, T>()
{
@Override
public T apply( Record record )
{
return mapFunction.apply( record.get( index ) );
}
};
}
public static <T> Function<Record, T> column( final String key, final Function<Value, T> mapFunction )
{
return new Function<Record, T>()
{
@Override
public T apply( Record recordAccessor )
{
return mapFunction.apply( recordAccessor.get( key ) );
}
};
}
}