GenericSpillerFactory.java

/*
 * 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 com.facebook.presto.spiller;

import com.facebook.presto.common.type.Type;
import com.facebook.presto.memory.context.AggregatedMemoryContext;
import com.facebook.presto.operator.SpillContext;
import com.google.inject.Inject;

import java.util.List;

import static java.util.Objects.requireNonNull;

public class GenericSpillerFactory
        implements SpillerFactory
{
    private final SingleStreamSpillerFactory singleStreamSpillerFactory;

    @Inject
    public GenericSpillerFactory(SingleStreamSpillerFactory singleStreamSpillerFactory)
    {
        this.singleStreamSpillerFactory = requireNonNull(singleStreamSpillerFactory, "singleStreamSpillerFactory can not be null");
    }

    @Override
    public Spiller create(List<Type> types, SpillContext localSpillContext, AggregatedMemoryContext aggregatedMemoryContext)
    {
        return new GenericSpiller(types, localSpillContext, aggregatedMemoryContext, singleStreamSpillerFactory);
    }
}