org.apache.hudi.parquet.io.ByteBufferBackedInputFile Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.hudi.parquet.io;
import org.apache.hudi.common.util.io.ByteBufferBackedInputStream;
import org.apache.parquet.io.DelegatingSeekableInputStream;
import org.apache.parquet.io.InputFile;
import org.apache.parquet.io.SeekableInputStream;
/**
* Implementation of {@link InputFile} backed by {@code byte[]} buffer
*/
public class ByteBufferBackedInputFile implements InputFile {
private final byte[] buffer;
private final int offset;
private final int length;
public ByteBufferBackedInputFile(byte[] buffer, int offset, int length) {
this.buffer = buffer;
this.offset = offset;
this.length = length;
}
public ByteBufferBackedInputFile(byte[] buffer) {
this(buffer, 0, buffer.length);
}
@Override
public long getLength() {
return length;
}
@Override
public SeekableInputStream newStream() {
return new DelegatingSeekableInputStream(new ByteBufferBackedInputStream(buffer, offset, length)) {
@Override
public long getPos() {
return ((ByteBufferBackedInputStream) getStream()).getPosition();
}
@Override
public void seek(long newPos) {
((ByteBufferBackedInputStream) getStream()).seek(newPos);
}
};
}
}