FragmentCacheResult.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.operator;

import com.facebook.presto.common.Page;

import java.util.Iterator;
import java.util.Optional;

import static java.util.Objects.requireNonNull;

public class FragmentCacheResult
{
    Optional<Iterator<Page>> pages;
    long inputDataSize;

    public FragmentCacheResult(Optional<Iterator<Page>> pages, long inputDataSize)
    {
        this.pages = requireNonNull(pages, "pages is null");
        this.inputDataSize = inputDataSize;
    }

    public Optional<Iterator<Page>> getPages()
    {
        return pages;
    }

    public long getInputDataSize()
    {
        return inputDataSize;
    }
}