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NIFI-3717 This closes #1707. Added HortonworksSchemaRegistry controller service for schema lookup 

Signed-off-by: joewitt <joewitt@apache.org>
This commit is contained in:
Mark Payne 2017-04-26 13:58:00 -04:00 committed by joewitt
parent d9acdb54be
commit 726d15d1f7
13 changed files with 1094 additions and 48 deletions
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5
nifi-assembly/NOTICE
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@ -1236,6 +1236,11 @@ and can be found in the org.apache.hadoop.hive.ql.io.orc package
https://github.com/triplecheck/TLSH
(ASLv2) Hortonworks Schema Registry
The following NOTICE information applies:
Hortonworks Schema Registry
Copyright 2016-2017 Hortonworks, Inc.
************************
Common Development and Distribution License 1.1
************************

5
nifi-assembly/pom.xml
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@ -479,6 +479,11 @@
<artifactId>nifi-cdc-mysql-nar</artifactId>
<type>nar</type>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-hwx-schema-registry-nar</artifactId>
<type>nar</type>
</dependency>
</dependencies>
<profiles>
<profile>

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nifi-nar-bundles/nifi-standard-services/nifi-hwx-schema-registry-bundle/nifi-hwx-schema-registry-nar/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright 2016 Hortoworks, Inc. All rights reserved.
Hortonworks, Inc. 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.
See the associated NOTICE file for additional information regarding copyright
ownership.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-hwx-schema-registry-bundle</artifactId>
<version>1.2.0-SNAPSHOT</version>
</parent>
<artifactId>nifi-hwx-schema-registry-nar</artifactId>
<packaging>nar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-standard-services-api-nar</artifactId>
<type>nar</type>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-hwx-schema-registry-service</artifactId>
<version>1.2.0-SNAPSHOT</version>
</dependency>
</dependencies>
</project>

233
nifi-nar-bundles/nifi-standard-services/nifi-hwx-schema-registry-bundle/nifi-hwx-schema-registry-nar/src/main/resources/META-INF/LICENSE Normal file
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125
nifi-nar-bundles/nifi-standard-services/nifi-hwx-schema-registry-bundle/nifi-hwx-schema-registry-nar/src/main/resources/META-INF/NOTICE Normal file
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@ -0,0 +1,125 @@
nifi-hwx-schema-registry-nar
Copyright 2017 The Apache Software Foundation
This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).
===========================================
Apache Software License v2
===========================================
The following binary components are provided under the Apache Software License v2
(ASLv2) Hortonworks Schema Registry
The following NOTICE information applies:
Hortonworks Schema Registry
Copyright 2016-2017 Hortonworks, Inc.
(ASLv2) Apache Commons IO
The following NOTICE information applies:
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Copyright 2002-2016 The Apache Software Foundation
(ASLv2) Apache Commons Lang
The following NOTICE information applies:
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Copyright 2001-2015 The Apache Software Foundation
(ASLv2) Apache Avro
The following NOTICE information applies:
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Copyright 2009-2013 The Apache Software Foundation
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Copyright 2002-2014 The Apache Software Foundation
The files in the package org.apache.commons.compress.archivers.sevenz
were derived from the LZMA SDK, version 9.20 (C/ and CPP/7zip/),
which has been placed in the public domain:
"LZMA SDK is placed in the public domain." (http://www.7-zip.org/sdk.html)
(ASLv2) Apache Commons Lang
The following NOTICE information applies:
Apache Commons Lang
Copyright 2001-2015 The Apache Software Foundation
This product includes software from the Spring Framework,
under the Apache License 2.0 (see: StringUtils.containsWhitespace())
(ASLv2) Guava
The following NOTICE information applies:
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Copyright 2015 The Guava Authors
(ASLv2) Jackson JSON processor
The following NOTICE information applies:
# Jackson JSON processor
Jackson is a high-performance, Free/Open Source JSON processing library.
It was originally written by Tatu Saloranta (tatu.saloranta@iki.fi), and has
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************************
Common Development and Distribution License 1.1
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The following binary components are provided under the Common Development and Distribution License 1.1. See project link for details.
(CDDL 1.1) (GPL2 w/ CPE) ServiceLocator Default Implementation (org.glassfish.hk2:hk2-locator:jar:2.4.0-b25 - https://hk2.java.net/hk2-locator)
(CDDL 1.1) (GPL2 w/ CPE) HK2 API module (org.glassfish.hk2:hk2-api:jar:2.4.0-b25 - https://hk2.java.net/hk2-api)
(CDDL 1.1) (GPL2 w/ CPE) HK2 Implementation Utilities (org.glassfish.hk2:hk2-utils:jar:2.4.0-b25 - https://hk2.java.net/hk2-utils)
(CDDL 1.1) (GPL2 w/ CPE) javax.annotation API (javax.annotation:javax.annotation-api:jar:1.2 - http://jcp.org/en/jsr/detail?id=250)
(CDDL 1.1) (GPL2 w/ CPE) javax.inject:1 as OSGi bundle (org.glassfish.hk2.external:javax.inject:jar:2.4.0-b25 - https://hk2.java.net/external/javax.inject)
(CDDL 1.1) (GPL2 w/ CPE) javax.ws.rs-api (javax.ws.rs:javax.ws.rs-api:jar:2.0.1 - http://jax-rs-spec.java.net)
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<?xml version="1.0" encoding="UTF-8"?>
<!--
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.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-hwx-schema-registry-bundle</artifactId>
<version>1.2.0-SNAPSHOT</version>
</parent>
<artifactId>nifi-hwx-schema-registry-service</artifactId>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-api</artifactId>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-utils</artifactId>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-schema-registry-service-api</artifactId>
</dependency>
<dependency>
<groupId>org.apache.avro</groupId>
<artifactId>avro</artifactId>
</dependency>
<!-- Schema Registry Serdes Jar that also pulls in registry client jars -->
<dependency>
<groupId>com.hortonworks.registries</groupId>
<artifactId>schema-registry-client</artifactId>
<version>0.2.0</version>
<exclusions>
<exclusion>
<groupId>org.apache.avro</groupId>
<artifactId>avro</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
</exclusion>
<exclusion>
<groupId>org.jboss.logging</groupId>
<artifactId>jboss-logging</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.directory.server</groupId>
<artifactId>apacheds-i18n</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.directory.server</groupId>
<artifactId>apacheds-kerberos-codec</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.zookeeper</groupId>
<artifactId>zookeeper</artifactId>
</exclusion>
<exclusion>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
</exclusion>
<exclusion>
<groupId>org.javassist</groupId>
<artifactId>javassist</artifactId>
</exclusion>
<exclusion>
<groupId>org.tukaani</groupId>
<artifactId>xz</artifactId>
</exclusion>
<exclusion>
<groupId>com.thoughtworks.paranamer</groupId>
<artifactId>paranamer</artifactId>
</exclusion>
<exclusion>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-validator</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-annotations</artifactId>
</exclusion>
<exclusion>
<groupId>org.fusesource.leveldbjni</groupId>
<artifactId>leveldbjni-all</artifactId>
</exclusion>
<exclusion>
<groupId>io.netty</groupId>
<artifactId>netty-all</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-auth</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-client</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-common</artifactId>
</exclusion>
<exclusion>
<groupId>org.glassfish.hk2</groupId>
<artifactId>osgi-resource-locator</artifactId>
</exclusion>
<exclusion>
<groupId>com.github.fge</groupId>
<artifactId>btf</artifactId>
</exclusion>
<exclusion>
<groupId>javax.mail</groupId>
<artifactId>mailapi</artifactId>
</exclusion>
<exclusion>
<groupId>com.googlecode.libphonenumber</groupId>
<artifactId>libphonenumber</artifactId>
</exclusion>
<exclusion>
<groupId>org.yaml</groupId>
<artifactId>snakeyaml</artifactId>
</exclusion>
<exclusion>
<groupId>com.github.fge</groupId>
<artifactId>msg-simple</artifactId>
</exclusion>
<exclusion>
<groupId>org.xerial.snappy</groupId>
<artifactId>snappy-java</artifactId>
</exclusion>
<exclusion>
<groupId>org.glassfish.hk2.external</groupId>
<artifactId>aopalliance-repackaged</artifactId>
</exclusion>
<exclusion>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
</exclusion>
<exclusion>
<groupId>com.fasterxml.jackson.dataformat</groupId>
<artifactId>jackson-dataformat-yaml</artifactId>
</exclusion>
<exclusion>
<groupId>org.mozilla</groupId>
<artifactId>rhino</artifactId>
</exclusion>
<exclusion>
<groupId>com.github.fge</groupId>
<artifactId>uri-template</artifactId>
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<exclusion>
<groupId>com.github.fge</groupId>
<artifactId>jackson-coreutils</artifactId>
</exclusion>
<exclusion>
<groupId>com.github.fge</groupId>
<artifactId>json-schema-core</artifactId>
</exclusion>
<exclusion>
<groupId>com.github.fge</groupId>
<artifactId>json-schema-validator</artifactId>
</exclusion>
<exclusion>
<groupId>org.apache.commons</groupId>
<artifactId>commons-compress</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

362
nifi-nar-bundles/nifi-standard-services/nifi-hwx-schema-registry-bundle/nifi-hwx-schema-registry-service/src/main/java/org/apache/nifi/schemaregistry/hortonworks/HortonworksSchemaRegistry.java Normal file
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/*
* 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.schemaregistry.hortonworks;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.stream.Collectors;
import org.apache.avro.LogicalType;
import org.apache.avro.Schema;
import org.apache.avro.Schema.Field;
import org.apache.avro.Schema.Type;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.annotation.lifecycle.OnDisabled;
import org.apache.nifi.annotation.lifecycle.OnEnabled;
import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.controller.AbstractControllerService;
import org.apache.nifi.controller.ConfigurationContext;
import org.apache.nifi.processor.util.StandardValidators;
import org.apache.nifi.reporting.InitializationException;
import org.apache.nifi.schema.access.SchemaField;
import org.apache.nifi.schemaregistry.services.SchemaRegistry;
import org.apache.nifi.serialization.SimpleRecordSchema;
import org.apache.nifi.serialization.record.DataType;
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.SchemaIdentifier;
import org.apache.nifi.util.Tuple;
import com.hortonworks.registries.schemaregistry.SchemaMetadata;
import com.hortonworks.registries.schemaregistry.SchemaMetadataInfo;
import com.hortonworks.registries.schemaregistry.SchemaVersionInfo;
import com.hortonworks.registries.schemaregistry.SchemaVersionKey;
import com.hortonworks.registries.schemaregistry.client.SchemaRegistryClient;
import com.hortonworks.registries.schemaregistry.errors.SchemaNotFoundException;
@Tags({"schema", "registry", "avro", "hortonworks", "hwx"})
@CapabilityDescription("Provides a Schema Registry Service that interacts with a Hortonworks Schema Registry, available at https://github.com/hortonworks/registry")
public class HortonworksSchemaRegistry extends AbstractControllerService implements SchemaRegistry {
private static final Set<SchemaField> schemaFields = EnumSet.of(SchemaField.SCHEMA_NAME, SchemaField.SCHEMA_TEXT,
SchemaField.SCHEMA_TEXT_FORMAT, SchemaField.SCHEMA_IDENTIFIER, SchemaField.SCHEMA_VERSION);
private final ConcurrentMap<Tuple<SchemaIdentifier, String>, RecordSchema> schemaNameToSchemaMap = new ConcurrentHashMap<>();
private static final String LOGICAL_TYPE_DATE = "date";
private static final String LOGICAL_TYPE_TIME_MILLIS = "time-millis";
private static final String LOGICAL_TYPE_TIME_MICROS = "time-micros";
private static final String LOGICAL_TYPE_TIMESTAMP_MILLIS = "timestamp-millis";
private static final String LOGICAL_TYPE_TIMESTAMP_MICROS = "timestamp-micros";
static final PropertyDescriptor URL = new PropertyDescriptor.Builder()
.name("url")
.displayName("Schema Registry URL")
.description("URL of the schema registry that this Controller Service should connect to, including version. For example, http://localhost:9090/api/v1")
.addValidator(StandardValidators.URL_VALIDATOR)
.expressionLanguageSupported(true)
.required(true)
.build();
private static final List<PropertyDescriptor> propertyDescriptors = Collections.singletonList(URL);
private volatile SchemaRegistryClient schemaRegistryClient;
private volatile boolean initialized;
private volatile Map<String, Object> schemaRegistryConfig;
public HortonworksSchemaRegistry() {
}
@OnEnabled
public void enable(final ConfigurationContext context) throws InitializationException {
schemaRegistryConfig = new HashMap<>();
// The below properties may or may not need to be exposed to the end
// user. We just need to watch usage patterns to see if sensible default
// can satisfy NiFi requirements
String urlValue = context.getProperty(URL).evaluateAttributeExpressions().getValue();
if (urlValue == null || urlValue.trim().length() == 0){
throw new IllegalArgumentException("'Schema Registry URL' must not be nul or empty.");
}
schemaRegistryConfig.put(SchemaRegistryClient.Configuration.SCHEMA_REGISTRY_URL.name(), urlValue);
schemaRegistryConfig.put(SchemaRegistryClient.Configuration.CLASSLOADER_CACHE_SIZE.name(), 10L);
schemaRegistryConfig.put(SchemaRegistryClient.Configuration.CLASSLOADER_CACHE_EXPIRY_INTERVAL_SECS.name(), 5000L);
schemaRegistryConfig.put(SchemaRegistryClient.Configuration.SCHEMA_VERSION_CACHE_SIZE.name(), 1000L);
schemaRegistryConfig.put(SchemaRegistryClient.Configuration.SCHEMA_VERSION_CACHE_EXPIRY_INTERVAL_SECS.name(), 60 * 60 * 1000L);
}
@OnDisabled
public void close() {
if (schemaRegistryClient != null) {
schemaRegistryClient.close();
}
initialized = false;
}
@Override
protected List<PropertyDescriptor> getSupportedPropertyDescriptors() {
return propertyDescriptors;
}
private synchronized SchemaRegistryClient getClient() {
if (!initialized) {
schemaRegistryClient = new SchemaRegistryClient(schemaRegistryConfig);
initialized = true;
}
return schemaRegistryClient;
}
@Override
public String retrieveSchemaText(final String schemaName) throws org.apache.nifi.schema.access.SchemaNotFoundException {
try {
final SchemaVersionInfo latest = getClient().getLatestSchemaVersionInfo(schemaName);
if (latest == null) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException("Could not find schema with name '" + schemaName + "'");
}
return latest.getSchemaText();
} catch (final SchemaNotFoundException e) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException(e);
}
}
@Override
public RecordSchema retrieveSchema(final String schemaName) throws org.apache.nifi.schema.access.SchemaNotFoundException {
try {
final SchemaRegistryClient client = getClient();
final SchemaMetadataInfo metadataInfo = client.getSchemaMetadataInfo(schemaName);
if (metadataInfo == null) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException("Could not find schema with name '" + schemaName + "'");
}
final Long schemaId = metadataInfo.getId();
if (schemaId == null) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException("Could not find schema with name '" + schemaName + "'");
}
final SchemaVersionInfo versionInfo = client.getLatestSchemaVersionInfo(schemaName);
if (versionInfo == null) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException("Could not find schema with name '" + schemaName + "'");
}
final Integer version = versionInfo.getVersion();
if (version == null) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException("Could not find schema with name '" + schemaName + "'");
}
final String schemaText = versionInfo.getSchemaText();
final SchemaIdentifier schemaIdentifier = (schemaId == null || version == null) ? SchemaIdentifier.ofName(schemaName) : SchemaIdentifier.of(schemaName, schemaId, version);
final Tuple<SchemaIdentifier, String> tuple = new Tuple<>(schemaIdentifier, schemaText);
return schemaNameToSchemaMap.computeIfAbsent(tuple, t -> {
final Schema schema = new Schema.Parser().parse(schemaText);
return createRecordSchema(schema, schemaText, schemaIdentifier);
});
} catch (final SchemaNotFoundException e) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException(e);
}
}
@Override
public String retrieveSchemaText(final long schemaId, final int version) throws IOException, org.apache.nifi.schema.access.SchemaNotFoundException {
try {
final SchemaRegistryClient client = getClient();
final SchemaMetadataInfo info = client.getSchemaMetadataInfo(schemaId);
if (info == null) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException("Could not find schema with ID '" + schemaId + "' and version '" + version + "'");
}
final SchemaMetadata metadata = info.getSchemaMetadata();
final String schemaName = metadata.getName();
final SchemaVersionKey schemaVersionKey = new SchemaVersionKey(schemaName, version);
final SchemaVersionInfo versionInfo = client.getSchemaVersionInfo(schemaVersionKey);
if (versionInfo == null) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException("Could not find schema with ID '" + schemaId + "' and version '" + version + "'");
}
return versionInfo.getSchemaText();
} catch (final SchemaNotFoundException e) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException(e);
}
}
@Override
public RecordSchema retrieveSchema(final long schemaId, final int version) throws IOException, org.apache.nifi.schema.access.SchemaNotFoundException {
try {
final SchemaRegistryClient client = getClient();
final SchemaMetadataInfo info = client.getSchemaMetadataInfo(schemaId);
if (info == null) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException("Could not find schema with ID '" + schemaId + "' and version '" + version + "'");
}
final SchemaMetadata metadata = info.getSchemaMetadata();
final String schemaName = metadata.getName();
final SchemaVersionKey schemaVersionKey = new SchemaVersionKey(schemaName, version);
final SchemaVersionInfo versionInfo = client.getSchemaVersionInfo(schemaVersionKey);
if (versionInfo == null) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException("Could not find schema with ID '" + schemaId + "' and version '" + version + "'");
}
final String schemaText = versionInfo.getSchemaText();
final SchemaIdentifier schemaIdentifier = SchemaIdentifier.of(schemaName, schemaId, version);
final Tuple<SchemaIdentifier, String> tuple = new Tuple<>(schemaIdentifier, schemaText);
return schemaNameToSchemaMap.computeIfAbsent(tuple, t -> {
final Schema schema = new Schema.Parser().parse(schemaText);
return createRecordSchema(schema, schemaText, schemaIdentifier);
});
} catch (final SchemaNotFoundException e) {
throw new org.apache.nifi.schema.access.SchemaNotFoundException(e);
}
}
/**
* Converts an Avro Schema to a RecordSchema
*
* @param avroSchema the Avro Schema to convert
* @param text the textual representation of the schema
* @param schemaId the id of the schema
* @return the Corresponding Record Schema
*/
private RecordSchema createRecordSchema(final Schema avroSchema, final String text, final SchemaIdentifier schemaId) {
final List<RecordField> recordFields = new ArrayList<>(avroSchema.getFields().size());
for (final Field field : avroSchema.getFields()) {
final String fieldName = field.name();
final DataType dataType = determineDataType(field.schema());
recordFields.add(new RecordField(fieldName, dataType, field.defaultVal(), field.aliases()));
}
final RecordSchema recordSchema = new SimpleRecordSchema(recordFields, text, "avro", schemaId);
return recordSchema;
}
/**
* Returns a DataType for the given Avro Schema
*
* @param avroSchema the Avro Schema to convert
* @return a Data Type that corresponds to the given Avro Schema
*/
private DataType determineDataType(final Schema avroSchema) {
final Type avroType = avroSchema.getType();
final LogicalType logicalType = avroSchema.getLogicalType();
if (logicalType != null) {
final String logicalTypeName = logicalType.getName();
switch (logicalTypeName) {
case LOGICAL_TYPE_DATE:
return RecordFieldType.DATE.getDataType();
case LOGICAL_TYPE_TIME_MILLIS:
case LOGICAL_TYPE_TIME_MICROS:
return RecordFieldType.TIME.getDataType();
case LOGICAL_TYPE_TIMESTAMP_MILLIS:
case LOGICAL_TYPE_TIMESTAMP_MICROS:
return RecordFieldType.TIMESTAMP.getDataType();
}
}
switch (avroType) {
case ARRAY:
return RecordFieldType.ARRAY.getArrayDataType(determineDataType(avroSchema.getElementType()));
case BYTES:
case FIXED:
return RecordFieldType.ARRAY.getArrayDataType(RecordFieldType.BYTE.getDataType());
case BOOLEAN:
return RecordFieldType.BOOLEAN.getDataType();
case DOUBLE:
return RecordFieldType.DOUBLE.getDataType();
case ENUM:
case STRING:
return RecordFieldType.STRING.getDataType();
case FLOAT:
return RecordFieldType.FLOAT.getDataType();
case INT:
return RecordFieldType.INT.getDataType();
case LONG:
return RecordFieldType.LONG.getDataType();
case RECORD: {
final List<Field> avroFields = avroSchema.getFields();
final List<RecordField> recordFields = new ArrayList<>(avroFields.size());
for (final Field field : avroFields) {
final String fieldName = field.name();
final Schema fieldSchema = field.schema();
final DataType fieldType = determineDataType(fieldSchema);
recordFields.add(new RecordField(fieldName, fieldType, field.defaultVal(), field.aliases()));
}
final RecordSchema recordSchema = new SimpleRecordSchema(recordFields, avroSchema.toString(), "avro", SchemaIdentifier.EMPTY);
return RecordFieldType.RECORD.getRecordDataType(recordSchema);
}
case NULL:
return RecordFieldType.STRING.getDataType();
case MAP:
final Schema valueSchema = avroSchema.getValueType();
final DataType valueType = determineDataType(valueSchema);
return RecordFieldType.MAP.getMapDataType(valueType);
case UNION: {
final List<Schema> nonNullSubSchemas = avroSchema.getTypes().stream()
.filter(s -> s.getType() != Type.NULL)
.collect(Collectors.toList());
if (nonNullSubSchemas.size() == 1) {
return determineDataType(nonNullSubSchemas.get(0));
}
final List<DataType> possibleChildTypes = new ArrayList<>(nonNullSubSchemas.size());
for (final Schema subSchema : nonNullSubSchemas) {
final DataType childDataType = determineDataType(subSchema);
possibleChildTypes.add(childDataType);
}
return RecordFieldType.CHOICE.getChoiceDataType(possibleChildTypes);
}
}
return null;
}
@Override
public Set<SchemaField> getSuppliedSchemaFields() {
return schemaFields;
}
}

16
nifi-nar-bundles/nifi-standard-services/nifi-hwx-schema-registry-bundle/nifi-hwx-schema-registry-service/src/main/resources/META-INF/services/org.apache.nifi.controller.ControllerService Normal file
View File

@ -0,0 +1,16 @@
# 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.
org.apache.nifi.schemaregistry.hortonworks.HortonworksSchemaRegistry

31
nifi-nar-bundles/nifi-standard-services/nifi-hwx-schema-registry-bundle/pom.xml Normal file
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@ -0,0 +1,31 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<!--
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.
-->
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-standard-services</artifactId>
<version>1.2.0-SNAPSHOT</version>
</parent>
<artifactId>nifi-hwx-schema-registry-bundle</artifactId>
<packaging>pom</packaging>
<modules>
<module>nifi-hwx-schema-registry-service</module>
<module>nifi-hwx-schema-registry-nar</module>
</modules>
</project>

51
nifi-nar-bundles/nifi-standard-services/nifi-record-serialization-service-api/src/main/java/org/apache/nifi/serialization/record/SchemaIdentifier.java
View File

@ -39,58 +39,13 @@ public interface SchemaIdentifier {
OptionalInt getVersion();
public static SchemaIdentifier EMPTY = new SchemaIdentifier() {
@Override
public Optional<String> getName() {
return Optional.empty();
}
@Override
public OptionalLong getIdentifier() {
return OptionalLong.empty();
}
@Override
public OptionalInt getVersion() {
return OptionalInt.empty();
}
};
public static SchemaIdentifier EMPTY = new StandardSchemaIdentifier(null, null, null);
public static SchemaIdentifier ofName(final String name) {
return new SchemaIdentifier() {
@Override
public Optional<String> getName() {
return Optional.ofNullable(name);
}
@Override
public OptionalLong getIdentifier() {
return OptionalLong.empty();
}
@Override
public OptionalInt getVersion() {
return OptionalInt.empty();
}
};
return new StandardSchemaIdentifier(name, null, null);
}
public static SchemaIdentifier of(final String name, final long identifier, final int version) {
return new SchemaIdentifier() {
@Override
public Optional<String> getName() {
return Optional.ofNullable(name);
}
@Override
public OptionalLong getIdentifier() {
return OptionalLong.of(identifier);
}
@Override
public OptionalInt getVersion() {
return OptionalInt.of(version);
}
};
return new StandardSchemaIdentifier(name, identifier, version);
}
}

69
nifi-nar-bundles/nifi-standard-services/nifi-record-serialization-service-api/src/main/java/org/apache/nifi/serialization/record/StandardSchemaIdentifier.java Normal file
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@ -0,0 +1,69 @@
/*
* 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.serialization.record;
import java.util.Optional;
import java.util.OptionalInt;
import java.util.OptionalLong;
public class StandardSchemaIdentifier implements SchemaIdentifier {
private final Optional<String> name;
private final OptionalLong identifier;
private final OptionalInt version;
StandardSchemaIdentifier(final String name, final Long identifier, final Integer version) {
this.name = Optional.ofNullable(name);
this.identifier = identifier == null ? OptionalLong.empty() : OptionalLong.of(identifier);;
this.version = version == null ? OptionalInt.empty() : OptionalInt.of(version);;
}
@Override
public Optional<String> getName() {
return name;
}
@Override
public OptionalLong getIdentifier() {
return identifier;
}
@Override
public OptionalInt getVersion() {
return version;
}
@Override
public int hashCode() {
return 31 + 41 * getName().hashCode() + 41 * getIdentifier().hashCode() + 41 * getVersion().hashCode();
}
@Override
public boolean equals(final Object obj) {
if (obj == this) {
return true;
}
if (obj == null) {
return false;
}
if (!(obj instanceof SchemaIdentifier)) {
return false;
}
final SchemaIdentifier other = (SchemaIdentifier) obj;
return getName().equals(other.getName()) && getIdentifier().equals(other.getIdentifier()) && getVersion().equals(other.getVersion());
}
}

1
nifi-nar-bundles/nifi-standard-services/pom.xml
View File

@ -38,5 +38,6 @@
<module>nifi-schema-registry-service-api</module>
<module>nifi-record-serialization-service-api</module>
<module>nifi-record-serialization-services-bundle</module>
<module>nifi-hwx-schema-registry-bundle</module>
</modules>
</project>

6
pom.xml
View File

@ -1390,6 +1390,12 @@
<version>1.2.0-SNAPSHOT</version>
<type>nar</type>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-hwx-schema-registry-nar</artifactId>
<version>1.2.0-SNAPSHOT</version>
<type>nar</type>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-properties</artifactId>