com.facebook.presto.jdbc.internal.common.io.DataSink Maven / Gradle / Ivy

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/*
 * 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.jdbc.internal.common.io;

import java.io.Closeable;
import java.io.IOException;
import java.util.List;

public interface DataSink
        extends Closeable
{
    /**
     * Number of bytes written to this sink so far.
     */
    long size();

    /**
     * Gets the size of the memory buffers.
     */
    long getRetainedSizeInBytes();

    /**
     * Write a batch of data.
     * For example, for ORC file, it can be the stripe and optionally header and footer data
     */
    void write(List outputData)
            throws IOException;

    /**
     * File is complete
     */
    @Override
    void close()
            throws IOException;
}