com.facebook.presto.spi.page.PageDataOutput Maven / Gradle / Ivy
/*
* 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.spi.page;
import com.facebook.presto.common.io.DataOutput;
import io.airlift.slice.SliceOutput;
import static com.facebook.presto.spi.page.PagesSerdeUtil.writeSerializedPage;
import static io.airlift.slice.SizeOf.SIZE_OF_BYTE;
import static io.airlift.slice.SizeOf.SIZE_OF_INT;
import static java.util.Objects.requireNonNull;
public class PageDataOutput
implements DataOutput
{
private final SerializedPage serializedPage;
public PageDataOutput(SerializedPage serializedPage)
{
this.serializedPage = requireNonNull(serializedPage, "serializedPage is null");
}
@Override
public long size()
{
return SIZE_OF_INT * 3 + SIZE_OF_BYTE + serializedPage.getSizeInBytes();
}
@Override
public void writeData(SliceOutput sliceOutput)
{
writeSerializedPage(sliceOutput, serializedPage);
}
}