/*
* 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.hive.parquet;
import io.airlift.slice.Slice;
import java.util.Arrays;
import static com.google.common.base.MoreObjects.toStringHelper;
import static io.airlift.slice.Slices.wrappedBuffer;
import static java.util.Objects.requireNonNull;
public class ParquetDictionaryPage
extends ParquetPage
{
private final Slice slice;
private final int dictionarySize;
private final ParquetEncoding encoding;
public ParquetDictionaryPage(Slice slice, int dictionarySize, ParquetEncoding encoding)
{
this(requireNonNull(slice, "slice is null"),
slice.length(),
dictionarySize,
requireNonNull(encoding, "encoding is null"));
}
public ParquetDictionaryPage(Slice slice, int uncompressedSize, int dictionarySize, ParquetEncoding encoding)
{
super(requireNonNull(slice, "slice is null").length(), uncompressedSize);
this.slice = slice;
this.dictionarySize = dictionarySize;
this.encoding = requireNonNull(encoding, "encoding is null");
}
public Slice getSlice()
{
return slice;
}
public int getDictionarySize()
{
return dictionarySize;
}
public ParquetEncoding getEncoding()
{
return encoding;
}
public ParquetDictionaryPage copy()
{
return new ParquetDictionaryPage(wrappedBuffer(Arrays.copyOf(slice.getBytes(), slice.length())), getUncompressedSize(), dictionarySize, encoding);
}
@Override
public String toString()
{
return toStringHelper(this)
.add("slice", slice)
.add("dictionarySize", dictionarySize)
.add("encoding", encoding)
.add("compressedSize", compressedSize)
.add("uncompressedSize", uncompressedSize)
.toString();
}
}