| /* |
| * 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 |
| * |
| * https://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.avro.perf.test; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.Random; |
| |
| import org.apache.avro.io.BinaryDecoder; |
| import org.apache.avro.io.BinaryEncoder; |
| import org.apache.avro.io.Decoder; |
| import org.apache.avro.io.DecoderFactory; |
| import org.apache.avro.io.Encoder; |
| import org.apache.avro.io.EncoderFactory; |
| |
| public abstract class BasicState { |
| |
| public static final int BATCH_SIZE = 10000; |
| |
| private static final DecoderFactory DECODER_FACTORY = new DecoderFactory(); |
| private static final EncoderFactory ENCODER_FACTORY = new EncoderFactory(); |
| |
| private static final OutputStream NULL_OUTPUTSTREAM = new NullOutputStream(); |
| |
| private final Random random = new Random(13L); |
| private final int batchSize = BATCH_SIZE; |
| |
| private BinaryDecoder reuseDecoder; |
| private BinaryEncoder reuseEncoder; |
| private BinaryEncoder reuseBlockingEncoder; |
| |
| public BasicState() { |
| this.reuseDecoder = null; |
| } |
| |
| protected Random getRandom() { |
| return this.random; |
| } |
| |
| protected Decoder newDecoder(final byte[] buf) { |
| this.reuseDecoder = DECODER_FACTORY.binaryDecoder(buf, this.reuseDecoder); |
| return this.reuseDecoder; |
| } |
| |
| protected Encoder newEncoder(boolean direct, OutputStream out) throws IOException { |
| this.reuseEncoder = (direct ? ENCODER_FACTORY.directBinaryEncoder(out, this.reuseEncoder) |
| : ENCODER_FACTORY.binaryEncoder(out, this.reuseEncoder)); |
| return this.reuseEncoder; |
| } |
| |
| protected Encoder newEncoder(int blockSize, OutputStream out) throws IOException { |
| this.reuseBlockingEncoder = ENCODER_FACTORY.configureBlockSize(blockSize).blockingBinaryEncoder(out, |
| this.reuseBlockingEncoder); |
| return this.reuseBlockingEncoder; |
| } |
| |
| public int getBatchSize() { |
| return this.batchSize; |
| } |
| |
| protected OutputStream getNullOutputStream() { |
| return NULL_OUTPUTSTREAM; |
| } |
| |
| private static class NullOutputStream extends OutputStream { |
| @Override |
| public void write(int b) throws IOException { |
| } |
| |
| @Override |
| public void write(byte[] b, int off, int len) throws IOException { |
| } |
| |
| @Override |
| public void write(byte[] b) throws IOException { |
| } |
| } |
| |
| } |