| /* |
| * 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.nifi.avro; |
| |
| import org.apache.avro.Schema; |
| import org.apache.avro.generic.GenericDatumReader; |
| import org.apache.avro.generic.GenericRecord; |
| import org.apache.avro.io.BinaryDecoder; |
| import org.apache.avro.io.BinaryEncoder; |
| import org.apache.avro.io.DecoderFactory; |
| import org.apache.nifi.logging.ComponentLog; |
| import org.apache.nifi.schema.access.NopSchemaAccessWriter; |
| import org.apache.nifi.schema.access.WriteAvroSchemaAttributeStrategy; |
| import org.apache.nifi.serialization.RecordSetWriter; |
| import org.apache.nifi.serialization.SimpleRecordSchema; |
| import org.apache.nifi.serialization.WriteResult; |
| import org.apache.nifi.serialization.record.MapRecord; |
| import org.apache.nifi.serialization.record.Record; |
| import org.apache.nifi.serialization.record.RecordField; |
| import org.apache.nifi.serialization.record.RecordFieldType; |
| import org.apache.nifi.serialization.record.RecordSchema; |
| import org.apache.nifi.serialization.record.RecordSet; |
| import org.apache.nifi.stream.io.NullOutputStream; |
| import org.apache.nifi.util.MockComponentLog; |
| import org.junit.Assert; |
| import org.junit.Ignore; |
| import org.junit.Test; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.BlockingQueue; |
| import java.util.concurrent.LinkedBlockingQueue; |
| import java.util.concurrent.TimeUnit; |
| |
| public class TestWriteAvroResultWithoutSchema extends TestWriteAvroResult { |
| |
| private final BlockingQueue<BinaryEncoder> encoderPool = new LinkedBlockingQueue<>(32); |
| |
| @Override |
| protected RecordSetWriter createWriter(final Schema schema, final OutputStream out) throws IOException { |
| return new WriteAvroResultWithExternalSchema(schema, AvroTypeUtil.createSchema(schema), new WriteAvroSchemaAttributeStrategy(), out, encoderPool, |
| new MockComponentLog("id", new Object())); |
| } |
| |
| @Override |
| protected GenericRecord readRecord(final InputStream in, final Schema schema) throws IOException { |
| final BinaryDecoder decoder = DecoderFactory.get().binaryDecoder(in, null); |
| final GenericDatumReader<GenericRecord> reader = new GenericDatumReader<>(schema); |
| return reader.read(null, decoder); |
| } |
| |
| @Override |
| protected List<GenericRecord> readRecords(final InputStream in, final Schema schema, final int recordCount) throws IOException { |
| final BinaryDecoder decoder = DecoderFactory.get().binaryDecoder(in, null); |
| final GenericDatumReader<GenericRecord> reader = new GenericDatumReader<>(schema); |
| |
| List<GenericRecord> records = new ArrayList<>(); |
| for (int i = 0; i < recordCount; i++) { |
| records.add(reader.read(null, decoder)); |
| } |
| |
| return records; |
| } |
| |
| @Override |
| protected void verify(final WriteResult writeResult) { |
| final Map<String, String> attributes = writeResult.getAttributes(); |
| |
| final String schemaText = attributes.get("avro.schema"); |
| Assert.assertNotNull(schemaText); |
| new Schema.Parser().parse(schemaText); |
| } |
| |
| |
| @Test |
| @Ignore("This test takes many seconds to run and is only really useful for comparing performance of the writer before and after changes, so it is @Ignored, but left in place to be run manually " + |
| "for performance comparisons before & after changes are made.") |
| public void testPerf() throws IOException { |
| final List<RecordField> fields = new ArrayList<>(); |
| fields.add(new RecordField("name", RecordFieldType.STRING.getDataType())); |
| final RecordSchema recordSchema = new SimpleRecordSchema(fields); |
| |
| final OutputStream out = new NullOutputStream(); |
| |
| final Record record = new MapRecord(recordSchema, Collections.singletonMap("name", "John Doe")); |
| final Schema avroSchema = AvroTypeUtil.extractAvroSchema(recordSchema); |
| |
| final ComponentLog logger = new MockComponentLog("id", new Object()); |
| |
| final long start = System.nanoTime(); |
| for (int i=0; i < 10_000_000; i++) { |
| try (final RecordSetWriter writer = new WriteAvroResultWithExternalSchema(avroSchema, recordSchema, new NopSchemaAccessWriter(), out, encoderPool, logger)) { |
| writer.write(RecordSet.of(record.getSchema(), record)); |
| } |
| } |
| |
| final long millis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - start); |
| System.out.println(millis); |
| } |
| } |