JAVA-1848: Moved apache-avro to apache-libraries

This commit is contained in:
sampadawagde 2020-06-12 12:10:54 +05:30
parent b3df35ba3d
commit 01bbadab2b
12 changed files with 0 additions and 1162 deletions

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## Apache Avro
This module contains articles about Apache Avro
### Relevant Articles:
- [Guide to Apache Avro](https://www.baeldung.com/java-apache-avro)

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<?xml version="1.0" encoding="UTF-8"?>
<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>
<artifactId>apache-avro</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>apache-avro</name>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>${slf4j.version}</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.avro</groupId>
<artifactId>avro</artifactId>
<version>${avro.version}</version>
</dependency>
<dependency>
<groupId>org.apache.avro</groupId>
<artifactId>avro-compiler</artifactId>
<version>${avro.version}</version>
</dependency>
<dependency>
<groupId>org.apache.avro</groupId>
<artifactId>avro-maven-plugin</artifactId>
<version>${avro.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.avro</groupId>
<artifactId>avro-maven-plugin</artifactId>
<version>${avro.version}</version>
<executions>
<execution>
<id>schemas</id>
<phase>generate-sources</phase>
<goals>
<goal>schema</goal>
<goal>protocol</goal>
<goal>idl-protocol</goal>
</goals>
<configuration>
<sourceDirectory>${project.basedir}/src/main/resources/</sourceDirectory>
<outputDirectory>${project.basedir}/src/main/java/</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<properties>
<avro.version>1.8.2</avro.version>
<slf4j.version>1.7.25</slf4j.version>
</properties>
</project>

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package com.baeldung.avro.util;
import org.apache.avro.Schema;
import org.apache.avro.compiler.specific.SpecificCompiler;
import java.io.File;
import java.io.IOException;
public class AvroClassGenerator {
public void generateAvroClasses() throws IOException {
SpecificCompiler compiler = new SpecificCompiler(new Schema.Parser().parse(new File("src/main/resources/avroHttpRequest-schema.avsc")));
compiler.compileToDestination(new File("src/main/resources"), new File("src/main/java"));
}
}

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package com.baeldung.avro.util;
import org.apache.avro.Schema;
import org.apache.avro.SchemaBuilder;
public class AvroSchemaBuilder {
public Schema createAvroHttpRequestSchema(){
Schema clientIdentifier = SchemaBuilder.record("ClientIdentifier").namespace("com.baeldung.avro.model")
.fields().requiredString("hostName").requiredString("ipAddress").endRecord();
Schema avroHttpRequest = SchemaBuilder.record("AvroHttpRequest").namespace("com.baeldung.avro.model").fields()
.requiredLong("requestTime")
.name("clientIdentifier").type(clientIdentifier).noDefault()
.name("employeeNames").type().array().items().stringType().arrayDefault(null)
.name("active").type().enumeration("Active").symbols("YES", "NO").noDefault()
.endRecord();
return avroHttpRequest;
}
}

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/**
* Autogenerated by Avro
*
* DO NOT EDIT DIRECTLY
*/
package com.baeldung.avro.util.model;
@SuppressWarnings("all")
@org.apache.avro.specific.AvroGenerated
public enum Active {
YES, NO ;
public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"enum\",\"name\":\"Active\",\"namespace\":\"com.baeldung.avro.model\",\"symbols\":[\"YES\",\"NO\"]}");
public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
}

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/**
* Autogenerated by Avro
*
* DO NOT EDIT DIRECTLY
*/
package com.baeldung.avro.util.model;
import org.apache.avro.specific.SpecificData;
import org.apache.avro.message.BinaryMessageEncoder;
import org.apache.avro.message.BinaryMessageDecoder;
import org.apache.avro.message.SchemaStore;
@SuppressWarnings("all")
@org.apache.avro.specific.AvroGenerated
public class AvroHttpRequest extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
private static final long serialVersionUID = -8649010116827875312L;
public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"AvroHttpRequest\",\"namespace\":\"com.baeldung.avro.model\",\"fields\":[{\"name\":\"requestTime\",\"type\":\"long\"},{\"name\":\"clientIdentifier\",\"type\":{\"type\":\"record\",\"name\":\"ClientIdentifier\",\"fields\":[{\"name\":\"hostName\",\"type\":\"string\"},{\"name\":\"ipAddress\",\"type\":\"string\"}]}},{\"name\":\"employeeNames\",\"type\":{\"type\":\"array\",\"items\":\"string\"},\"default\":null},{\"name\":\"active\",\"type\":{\"type\":\"enum\",\"name\":\"Active\",\"symbols\":[\"YES\",\"NO\"]}}]}");
public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
private static SpecificData MODEL$ = new SpecificData();
private static final BinaryMessageEncoder<AvroHttpRequest> ENCODER =
new BinaryMessageEncoder<AvroHttpRequest>(MODEL$, SCHEMA$);
private static final BinaryMessageDecoder<AvroHttpRequest> DECODER =
new BinaryMessageDecoder<AvroHttpRequest>(MODEL$, SCHEMA$);
/**
* Return the BinaryMessageDecoder instance used by this class.
*/
public static BinaryMessageDecoder<AvroHttpRequest> getDecoder() {
return DECODER;
}
/**
* Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
* @param resolver a {@link SchemaStore} used to find schemas by fingerprint
*/
public static BinaryMessageDecoder<AvroHttpRequest> createDecoder(SchemaStore resolver) {
return new BinaryMessageDecoder<AvroHttpRequest>(MODEL$, SCHEMA$, resolver);
}
/** Serializes this AvroHttpRequest to a ByteBuffer. */
public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
return ENCODER.encode(this);
}
/** Deserializes a AvroHttpRequest from a ByteBuffer. */
public static AvroHttpRequest fromByteBuffer(
java.nio.ByteBuffer b) throws java.io.IOException {
return DECODER.decode(b);
}
@Deprecated public long requestTime;
@Deprecated public ClientIdentifier clientIdentifier;
@Deprecated public java.util.List<java.lang.CharSequence> employeeNames;
@Deprecated public Active active;
/**
* Default constructor. Note that this does not initialize fields
* to their default values from the schema. If that is desired then
* one should use <code>newBuilder()</code>.
*/
public AvroHttpRequest() {}
/**
* All-args constructor.
* @param requestTime The new value for requestTime
* @param clientIdentifier The new value for clientIdentifier
* @param employeeNames The new value for employeeNames
* @param active The new value for active
*/
public AvroHttpRequest(java.lang.Long requestTime, ClientIdentifier clientIdentifier, java.util.List<java.lang.CharSequence> employeeNames, Active active) {
this.requestTime = requestTime;
this.clientIdentifier = clientIdentifier;
this.employeeNames = employeeNames;
this.active = active;
}
public org.apache.avro.Schema getSchema() { return SCHEMA$; }
// Used by DatumWriter. Applications should not call.
public java.lang.Object get(int field$) {
switch (field$) {
case 0: return requestTime;
case 1: return clientIdentifier;
case 2: return employeeNames;
case 3: return active;
default: throw new org.apache.avro.AvroRuntimeException("Bad index");
}
}
// Used by DatumReader. Applications should not call.
@SuppressWarnings(value="unchecked")
public void put(int field$, java.lang.Object value$) {
switch (field$) {
case 0: requestTime = (java.lang.Long)value$; break;
case 1: clientIdentifier = (ClientIdentifier)value$; break;
case 2: employeeNames = (java.util.List<java.lang.CharSequence>)value$; break;
case 3: active = (Active)value$; break;
default: throw new org.apache.avro.AvroRuntimeException("Bad index");
}
}
/**
* Gets the value of the 'requestTime' field.
* @return The value of the 'requestTime' field.
*/
public java.lang.Long getRequestTime() {
return requestTime;
}
/**
* Sets the value of the 'requestTime' field.
* @param value the value to set.
*/
public void setRequestTime(java.lang.Long value) {
this.requestTime = value;
}
/**
* Gets the value of the 'clientIdentifier' field.
* @return The value of the 'clientIdentifier' field.
*/
public ClientIdentifier getClientIdentifier() {
return clientIdentifier;
}
/**
* Sets the value of the 'clientIdentifier' field.
* @param value the value to set.
*/
public void setClientIdentifier(ClientIdentifier value) {
this.clientIdentifier = value;
}
/**
* Gets the value of the 'employeeNames' field.
* @return The value of the 'employeeNames' field.
*/
public java.util.List<java.lang.CharSequence> getEmployeeNames() {
return employeeNames;
}
/**
* Sets the value of the 'employeeNames' field.
* @param value the value to set.
*/
public void setEmployeeNames(java.util.List<java.lang.CharSequence> value) {
this.employeeNames = value;
}
/**
* Gets the value of the 'active' field.
* @return The value of the 'active' field.
*/
public Active getActive() {
return active;
}
/**
* Sets the value of the 'active' field.
* @param value the value to set.
*/
public void setActive(Active value) {
this.active = value;
}
/**
* Creates a new AvroHttpRequest RecordBuilder.
* @return A new AvroHttpRequest RecordBuilder
*/
public static AvroHttpRequest.Builder newBuilder() {
return new AvroHttpRequest.Builder();
}
/**
* Creates a new AvroHttpRequest RecordBuilder by copying an existing Builder.
* @param other The existing builder to copy.
* @return A new AvroHttpRequest RecordBuilder
*/
public static AvroHttpRequest.Builder newBuilder(AvroHttpRequest.Builder other) {
return new AvroHttpRequest.Builder(other);
}
/**
* Creates a new AvroHttpRequest RecordBuilder by copying an existing AvroHttpRequest instance.
* @param other The existing instance to copy.
* @return A new AvroHttpRequest RecordBuilder
*/
public static AvroHttpRequest.Builder newBuilder(AvroHttpRequest other) {
return new AvroHttpRequest.Builder(other);
}
/**
* RecordBuilder for AvroHttpRequest instances.
*/
public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<AvroHttpRequest>
implements org.apache.avro.data.RecordBuilder<AvroHttpRequest> {
private long requestTime;
private ClientIdentifier clientIdentifier;
private ClientIdentifier.Builder clientIdentifierBuilder;
private java.util.List<java.lang.CharSequence> employeeNames;
private Active active;
/** Creates a new Builder */
private Builder() {
super(SCHEMA$);
}
/**
* Creates a Builder by copying an existing Builder.
* @param other The existing Builder to copy.
*/
private Builder(AvroHttpRequest.Builder other) {
super(other);
if (isValidValue(fields()[0], other.requestTime)) {
this.requestTime = data().deepCopy(fields()[0].schema(), other.requestTime);
fieldSetFlags()[0] = true;
}
if (isValidValue(fields()[1], other.clientIdentifier)) {
this.clientIdentifier = data().deepCopy(fields()[1].schema(), other.clientIdentifier);
fieldSetFlags()[1] = true;
}
if (other.hasClientIdentifierBuilder()) {
this.clientIdentifierBuilder = ClientIdentifier.newBuilder(other.getClientIdentifierBuilder());
}
if (isValidValue(fields()[2], other.employeeNames)) {
this.employeeNames = data().deepCopy(fields()[2].schema(), other.employeeNames);
fieldSetFlags()[2] = true;
}
if (isValidValue(fields()[3], other.active)) {
this.active = data().deepCopy(fields()[3].schema(), other.active);
fieldSetFlags()[3] = true;
}
}
/**
* Creates a Builder by copying an existing AvroHttpRequest instance
* @param other The existing instance to copy.
*/
private Builder(AvroHttpRequest other) {
super(SCHEMA$);
if (isValidValue(fields()[0], other.requestTime)) {
this.requestTime = data().deepCopy(fields()[0].schema(), other.requestTime);
fieldSetFlags()[0] = true;
}
if (isValidValue(fields()[1], other.clientIdentifier)) {
this.clientIdentifier = data().deepCopy(fields()[1].schema(), other.clientIdentifier);
fieldSetFlags()[1] = true;
}
this.clientIdentifierBuilder = null;
if (isValidValue(fields()[2], other.employeeNames)) {
this.employeeNames = data().deepCopy(fields()[2].schema(), other.employeeNames);
fieldSetFlags()[2] = true;
}
if (isValidValue(fields()[3], other.active)) {
this.active = data().deepCopy(fields()[3].schema(), other.active);
fieldSetFlags()[3] = true;
}
}
/**
* Gets the value of the 'requestTime' field.
* @return The value.
*/
public java.lang.Long getRequestTime() {
return requestTime;
}
/**
* Sets the value of the 'requestTime' field.
* @param value The value of 'requestTime'.
* @return This builder.
*/
public AvroHttpRequest.Builder setRequestTime(long value) {
validate(fields()[0], value);
this.requestTime = value;
fieldSetFlags()[0] = true;
return this;
}
/**
* Checks whether the 'requestTime' field has been set.
* @return True if the 'requestTime' field has been set, false otherwise.
*/
public boolean hasRequestTime() {
return fieldSetFlags()[0];
}
/**
* Clears the value of the 'requestTime' field.
* @return This builder.
*/
public AvroHttpRequest.Builder clearRequestTime() {
fieldSetFlags()[0] = false;
return this;
}
/**
* Gets the value of the 'clientIdentifier' field.
* @return The value.
*/
public ClientIdentifier getClientIdentifier() {
return clientIdentifier;
}
/**
* Sets the value of the 'clientIdentifier' field.
* @param value The value of 'clientIdentifier'.
* @return This builder.
*/
public AvroHttpRequest.Builder setClientIdentifier(ClientIdentifier value) {
validate(fields()[1], value);
this.clientIdentifierBuilder = null;
this.clientIdentifier = value;
fieldSetFlags()[1] = true;
return this;
}
/**
* Checks whether the 'clientIdentifier' field has been set.
* @return True if the 'clientIdentifier' field has been set, false otherwise.
*/
public boolean hasClientIdentifier() {
return fieldSetFlags()[1];
}
/**
* Gets the Builder instance for the 'clientIdentifier' field and creates one if it doesn't exist yet.
* @return This builder.
*/
public ClientIdentifier.Builder getClientIdentifierBuilder() {
if (clientIdentifierBuilder == null) {
if (hasClientIdentifier()) {
setClientIdentifierBuilder(ClientIdentifier.newBuilder(clientIdentifier));
} else {
setClientIdentifierBuilder(ClientIdentifier.newBuilder());
}
}
return clientIdentifierBuilder;
}
/**
* Sets the Builder instance for the 'clientIdentifier' field
* @param value The builder instance that must be set.
* @return This builder.
*/
public AvroHttpRequest.Builder setClientIdentifierBuilder(ClientIdentifier.Builder value) {
clearClientIdentifier();
clientIdentifierBuilder = value;
return this;
}
/**
* Checks whether the 'clientIdentifier' field has an active Builder instance
* @return True if the 'clientIdentifier' field has an active Builder instance
*/
public boolean hasClientIdentifierBuilder() {
return clientIdentifierBuilder != null;
}
/**
* Clears the value of the 'clientIdentifier' field.
* @return This builder.
*/
public AvroHttpRequest.Builder clearClientIdentifier() {
clientIdentifier = null;
clientIdentifierBuilder = null;
fieldSetFlags()[1] = false;
return this;
}
/**
* Gets the value of the 'employeeNames' field.
* @return The value.
*/
public java.util.List<java.lang.CharSequence> getEmployeeNames() {
return employeeNames;
}
/**
* Sets the value of the 'employeeNames' field.
* @param value The value of 'employeeNames'.
* @return This builder.
*/
public AvroHttpRequest.Builder setEmployeeNames(java.util.List<java.lang.CharSequence> value) {
validate(fields()[2], value);
this.employeeNames = value;
fieldSetFlags()[2] = true;
return this;
}
/**
* Checks whether the 'employeeNames' field has been set.
* @return True if the 'employeeNames' field has been set, false otherwise.
*/
public boolean hasEmployeeNames() {
return fieldSetFlags()[2];
}
/**
* Clears the value of the 'employeeNames' field.
* @return This builder.
*/
public AvroHttpRequest.Builder clearEmployeeNames() {
employeeNames = null;
fieldSetFlags()[2] = false;
return this;
}
/**
* Gets the value of the 'active' field.
* @return The value.
*/
public Active getActive() {
return active;
}
/**
* Sets the value of the 'active' field.
* @param value The value of 'active'.
* @return This builder.
*/
public AvroHttpRequest.Builder setActive(Active value) {
validate(fields()[3], value);
this.active = value;
fieldSetFlags()[3] = true;
return this;
}
/**
* Checks whether the 'active' field has been set.
* @return True if the 'active' field has been set, false otherwise.
*/
public boolean hasActive() {
return fieldSetFlags()[3];
}
/**
* Clears the value of the 'active' field.
* @return This builder.
*/
public AvroHttpRequest.Builder clearActive() {
active = null;
fieldSetFlags()[3] = false;
return this;
}
@Override
@SuppressWarnings("unchecked")
public AvroHttpRequest build() {
try {
AvroHttpRequest record = new AvroHttpRequest();
record.requestTime = fieldSetFlags()[0] ? this.requestTime : (java.lang.Long) defaultValue(fields()[0]);
if (clientIdentifierBuilder != null) {
record.clientIdentifier = this.clientIdentifierBuilder.build();
} else {
record.clientIdentifier = fieldSetFlags()[1] ? this.clientIdentifier : (ClientIdentifier) defaultValue(fields()[1]);
}
record.employeeNames = fieldSetFlags()[2] ? this.employeeNames : (java.util.List<java.lang.CharSequence>) defaultValue(fields()[2]);
record.active = fieldSetFlags()[3] ? this.active : (Active) defaultValue(fields()[3]);
return record;
} catch (java.lang.Exception e) {
throw new org.apache.avro.AvroRuntimeException(e);
}
}
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumWriter<AvroHttpRequest>
WRITER$ = (org.apache.avro.io.DatumWriter<AvroHttpRequest>)MODEL$.createDatumWriter(SCHEMA$);
@Override public void writeExternal(java.io.ObjectOutput out)
throws java.io.IOException {
WRITER$.write(this, SpecificData.getEncoder(out));
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumReader<AvroHttpRequest>
READER$ = (org.apache.avro.io.DatumReader<AvroHttpRequest>)MODEL$.createDatumReader(SCHEMA$);
@Override public void readExternal(java.io.ObjectInput in)
throws java.io.IOException {
READER$.read(this, SpecificData.getDecoder(in));
}
}

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/**
* Autogenerated by Avro
*
* DO NOT EDIT DIRECTLY
*/
package com.baeldung.avro.util.model;
import org.apache.avro.specific.SpecificData;
import org.apache.avro.message.BinaryMessageEncoder;
import org.apache.avro.message.BinaryMessageDecoder;
import org.apache.avro.message.SchemaStore;
@SuppressWarnings("all")
@org.apache.avro.specific.AvroGenerated
public class ClientIdentifier extends org.apache.avro.specific.SpecificRecordBase implements org.apache.avro.specific.SpecificRecord {
private static final long serialVersionUID = 8754570983127295424L;
public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"record\",\"name\":\"ClientIdentifier\",\"namespace\":\"com.baeldung.avro.model\",\"fields\":[{\"name\":\"hostName\",\"type\":\"string\"},{\"name\":\"ipAddress\",\"type\":\"string\"}]}");
public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
private static SpecificData MODEL$ = new SpecificData();
private static final BinaryMessageEncoder<ClientIdentifier> ENCODER =
new BinaryMessageEncoder<ClientIdentifier>(MODEL$, SCHEMA$);
private static final BinaryMessageDecoder<ClientIdentifier> DECODER =
new BinaryMessageDecoder<ClientIdentifier>(MODEL$, SCHEMA$);
/**
* Return the BinaryMessageDecoder instance used by this class.
*/
public static BinaryMessageDecoder<ClientIdentifier> getDecoder() {
return DECODER;
}
/**
* Create a new BinaryMessageDecoder instance for this class that uses the specified {@link SchemaStore}.
* @param resolver a {@link SchemaStore} used to find schemas by fingerprint
*/
public static BinaryMessageDecoder<ClientIdentifier> createDecoder(SchemaStore resolver) {
return new BinaryMessageDecoder<ClientIdentifier>(MODEL$, SCHEMA$, resolver);
}
/** Serializes this ClientIdentifier to a ByteBuffer. */
public java.nio.ByteBuffer toByteBuffer() throws java.io.IOException {
return ENCODER.encode(this);
}
/** Deserializes a ClientIdentifier from a ByteBuffer. */
public static ClientIdentifier fromByteBuffer(
java.nio.ByteBuffer b) throws java.io.IOException {
return DECODER.decode(b);
}
@Deprecated public java.lang.CharSequence hostName;
@Deprecated public java.lang.CharSequence ipAddress;
/**
* Default constructor. Note that this does not initialize fields
* to their default values from the schema. If that is desired then
* one should use <code>newBuilder()</code>.
*/
public ClientIdentifier() {}
/**
* All-args constructor.
* @param hostName The new value for hostName
* @param ipAddress The new value for ipAddress
*/
public ClientIdentifier(java.lang.CharSequence hostName, java.lang.CharSequence ipAddress) {
this.hostName = hostName;
this.ipAddress = ipAddress;
}
public org.apache.avro.Schema getSchema() { return SCHEMA$; }
// Used by DatumWriter. Applications should not call.
public java.lang.Object get(int field$) {
switch (field$) {
case 0: return hostName;
case 1: return ipAddress;
default: throw new org.apache.avro.AvroRuntimeException("Bad index");
}
}
// Used by DatumReader. Applications should not call.
@SuppressWarnings(value="unchecked")
public void put(int field$, java.lang.Object value$) {
switch (field$) {
case 0: hostName = (java.lang.CharSequence)value$; break;
case 1: ipAddress = (java.lang.CharSequence)value$; break;
default: throw new org.apache.avro.AvroRuntimeException("Bad index");
}
}
/**
* Gets the value of the 'hostName' field.
* @return The value of the 'hostName' field.
*/
public java.lang.CharSequence getHostName() {
return hostName;
}
/**
* Sets the value of the 'hostName' field.
* @param value the value to set.
*/
public void setHostName(java.lang.CharSequence value) {
this.hostName = value;
}
/**
* Gets the value of the 'ipAddress' field.
* @return The value of the 'ipAddress' field.
*/
public java.lang.CharSequence getIpAddress() {
return ipAddress;
}
/**
* Sets the value of the 'ipAddress' field.
* @param value the value to set.
*/
public void setIpAddress(java.lang.CharSequence value) {
this.ipAddress = value;
}
/**
* Creates a new ClientIdentifier RecordBuilder.
* @return A new ClientIdentifier RecordBuilder
*/
public static ClientIdentifier.Builder newBuilder() {
return new ClientIdentifier.Builder();
}
/**
* Creates a new ClientIdentifier RecordBuilder by copying an existing Builder.
* @param other The existing builder to copy.
* @return A new ClientIdentifier RecordBuilder
*/
public static ClientIdentifier.Builder newBuilder(ClientIdentifier.Builder other) {
return new ClientIdentifier.Builder(other);
}
/**
* Creates a new ClientIdentifier RecordBuilder by copying an existing ClientIdentifier instance.
* @param other The existing instance to copy.
* @return A new ClientIdentifier RecordBuilder
*/
public static ClientIdentifier.Builder newBuilder(ClientIdentifier other) {
return new ClientIdentifier.Builder(other);
}
/**
* RecordBuilder for ClientIdentifier instances.
*/
public static class Builder extends org.apache.avro.specific.SpecificRecordBuilderBase<ClientIdentifier>
implements org.apache.avro.data.RecordBuilder<ClientIdentifier> {
private java.lang.CharSequence hostName;
private java.lang.CharSequence ipAddress;
/** Creates a new Builder */
private Builder() {
super(SCHEMA$);
}
/**
* Creates a Builder by copying an existing Builder.
* @param other The existing Builder to copy.
*/
private Builder(ClientIdentifier.Builder other) {
super(other);
if (isValidValue(fields()[0], other.hostName)) {
this.hostName = data().deepCopy(fields()[0].schema(), other.hostName);
fieldSetFlags()[0] = true;
}
if (isValidValue(fields()[1], other.ipAddress)) {
this.ipAddress = data().deepCopy(fields()[1].schema(), other.ipAddress);
fieldSetFlags()[1] = true;
}
}
/**
* Creates a Builder by copying an existing ClientIdentifier instance
* @param other The existing instance to copy.
*/
private Builder(ClientIdentifier other) {
super(SCHEMA$);
if (isValidValue(fields()[0], other.hostName)) {
this.hostName = data().deepCopy(fields()[0].schema(), other.hostName);
fieldSetFlags()[0] = true;
}
if (isValidValue(fields()[1], other.ipAddress)) {
this.ipAddress = data().deepCopy(fields()[1].schema(), other.ipAddress);
fieldSetFlags()[1] = true;
}
}
/**
* Gets the value of the 'hostName' field.
* @return The value.
*/
public java.lang.CharSequence getHostName() {
return hostName;
}
/**
* Sets the value of the 'hostName' field.
* @param value The value of 'hostName'.
* @return This builder.
*/
public ClientIdentifier.Builder setHostName(java.lang.CharSequence value) {
validate(fields()[0], value);
this.hostName = value;
fieldSetFlags()[0] = true;
return this;
}
/**
* Checks whether the 'hostName' field has been set.
* @return True if the 'hostName' field has been set, false otherwise.
*/
public boolean hasHostName() {
return fieldSetFlags()[0];
}
/**
* Clears the value of the 'hostName' field.
* @return This builder.
*/
public ClientIdentifier.Builder clearHostName() {
hostName = null;
fieldSetFlags()[0] = false;
return this;
}
/**
* Gets the value of the 'ipAddress' field.
* @return The value.
*/
public java.lang.CharSequence getIpAddress() {
return ipAddress;
}
/**
* Sets the value of the 'ipAddress' field.
* @param value The value of 'ipAddress'.
* @return This builder.
*/
public ClientIdentifier.Builder setIpAddress(java.lang.CharSequence value) {
validate(fields()[1], value);
this.ipAddress = value;
fieldSetFlags()[1] = true;
return this;
}
/**
* Checks whether the 'ipAddress' field has been set.
* @return True if the 'ipAddress' field has been set, false otherwise.
*/
public boolean hasIpAddress() {
return fieldSetFlags()[1];
}
/**
* Clears the value of the 'ipAddress' field.
* @return This builder.
*/
public ClientIdentifier.Builder clearIpAddress() {
ipAddress = null;
fieldSetFlags()[1] = false;
return this;
}
@Override
@SuppressWarnings("unchecked")
public ClientIdentifier build() {
try {
ClientIdentifier record = new ClientIdentifier();
record.hostName = fieldSetFlags()[0] ? this.hostName : (java.lang.CharSequence) defaultValue(fields()[0]);
record.ipAddress = fieldSetFlags()[1] ? this.ipAddress : (java.lang.CharSequence) defaultValue(fields()[1]);
return record;
} catch (java.lang.Exception e) {
throw new org.apache.avro.AvroRuntimeException(e);
}
}
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumWriter<ClientIdentifier>
WRITER$ = (org.apache.avro.io.DatumWriter<ClientIdentifier>)MODEL$.createDatumWriter(SCHEMA$);
@Override public void writeExternal(java.io.ObjectOutput out)
throws java.io.IOException {
WRITER$.write(this, SpecificData.getEncoder(out));
}
@SuppressWarnings("unchecked")
private static final org.apache.avro.io.DatumReader<ClientIdentifier>
READER$ = (org.apache.avro.io.DatumReader<ClientIdentifier>)MODEL$.createDatumReader(SCHEMA$);
@Override public void readExternal(java.io.ObjectInput in)
throws java.io.IOException {
READER$.read(this, SpecificData.getDecoder(in));
}
}

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@ -1,41 +0,0 @@
package com.baeldung.avro.util.serealization;
import com.baeldung.avro.util.model.AvroHttpRequest;
import org.apache.avro.io.DatumReader;
import org.apache.avro.io.Decoder;
import org.apache.avro.io.DecoderFactory;
import org.apache.avro.specific.SpecificDatumReader;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
public class AvroDeSerealizer {
private static Logger logger = LoggerFactory.getLogger(AvroDeSerealizer.class);
public AvroHttpRequest deSerealizeAvroHttpRequestJSON(byte[] data) {
DatumReader<AvroHttpRequest> reader = new SpecificDatumReader<>(AvroHttpRequest.class);
Decoder decoder = null;
try {
decoder = DecoderFactory.get()
.jsonDecoder(AvroHttpRequest.getClassSchema(), new String(data));
return reader.read(null, decoder);
} catch (IOException e) {
logger.error("Deserialization error" + e.getMessage());
}
return null;
}
public AvroHttpRequest deSerealizeAvroHttpRequestBinary(byte[] data) {
DatumReader<AvroHttpRequest> employeeReader = new SpecificDatumReader<>(AvroHttpRequest.class);
Decoder decoder = DecoderFactory.get()
.binaryDecoder(data, null);
try {
return employeeReader.read(null, decoder);
} catch (IOException e) {
logger.error("Deserialization error" + e.getMessage());
}
return null;
}
}

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@ -1,50 +0,0 @@
package com.baeldung.avro.util.serealization;
import com.baeldung.avro.util.model.AvroHttpRequest;
import org.apache.avro.io.*;
import org.apache.avro.specific.SpecificDatumWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
public class AvroSerealizer {
private static final Logger logger = LoggerFactory.getLogger(AvroSerealizer.class);
public byte[] serealizeAvroHttpRequestJSON(AvroHttpRequest request) {
DatumWriter<AvroHttpRequest> writer = new SpecificDatumWriter<>(AvroHttpRequest.class);
byte[] data = new byte[0];
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Encoder jsonEncoder = null;
try {
jsonEncoder = EncoderFactory.get()
.jsonEncoder(AvroHttpRequest.getClassSchema(), stream);
writer.write(request, jsonEncoder);
jsonEncoder.flush();
data = stream.toByteArray();
} catch (IOException e) {
logger.error("Serialization error " + e.getMessage());
}
return data;
}
public byte[] serealizeAvroHttpRequestBinary(AvroHttpRequest request) {
DatumWriter<AvroHttpRequest> writer = new SpecificDatumWriter<>(AvroHttpRequest.class);
byte[] data = new byte[0];
ByteArrayOutputStream stream = new ByteArrayOutputStream();
Encoder jsonEncoder = EncoderFactory.get()
.binaryEncoder(stream, null);
try {
writer.write(request, jsonEncoder);
jsonEncoder.flush();
data = stream.toByteArray();
} catch (IOException e) {
logger.error("Serialization error " + e.getMessage());
}
return data;
}
}

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@ -1,47 +0,0 @@
{
"type":"record",
"name":"AvroHttpRequest",
"namespace":"com.baeldung.avro.model",
"fields":[
{
"name":"requestTime",
"type":"long"
},
{
"name":"clientIdentifier",
"type":{
"type":"record",
"name":"ClientIdentifier",
"fields":[
{
"name":"hostName",
"type":"string"
},
{
"name":"ipAddress",
"type":"string"
}
]
}
},
{
"name":"employeeNames",
"type":{
"type":"array",
"items":"string"
},
"default":null
},
{
"name":"active",
"type":{
"type":"enum",
"name":"Active",
"symbols":[
"YES",
"NO"
]
}
}
]
}

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@ -1,13 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
<root level="INFO">
<appender-ref ref="STDOUT" />
</root>
</configuration>

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@ -1,83 +0,0 @@
package com.baeldung.avro.util.serealization;
import com.baeldung.avro.util.model.Active;
import com.baeldung.avro.util.model.AvroHttpRequest;
import com.baeldung.avro.util.model.ClientIdentifier;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import static org.junit.Assert.*;
public class AvroSerealizerDeSerealizerUnitTest {
AvroSerealizer serealizer;
AvroDeSerealizer deSerealizer;
AvroHttpRequest request;
@Before
public void setUp() throws Exception {
serealizer = new AvroSerealizer();
deSerealizer = new AvroDeSerealizer();
ClientIdentifier clientIdentifier = ClientIdentifier.newBuilder()
.setHostName("localhost")
.setIpAddress("255.255.255.0")
.build();
List<CharSequence> employees = new ArrayList();
employees.add("James");
employees.add("Alice");
employees.add("David");
employees.add("Han");
request = AvroHttpRequest.newBuilder()
.setRequestTime(01l)
.setActive(Active.YES)
.setClientIdentifier(clientIdentifier)
.setEmployeeNames(employees)
.build();
}
@After
public void tearDown() throws Exception {
}
@Test
public void WhenSerializedUsingJSONEncoder_thenObjectGetsSerialized() {
byte[] data = serealizer.serealizeAvroHttpRequestJSON(request);
assertTrue(Objects.nonNull(data));
assertTrue(data.length > 0);
}
@Test
public void WhenSerializedUsingBinaryEncoder_thenObjectGetsSerialized() {
byte[] data = serealizer.serealizeAvroHttpRequestBinary(request);
assertTrue(Objects.nonNull(data));
assertTrue(data.length > 0);
}
@Test
public void WhenDeserializeUsingJSONDecoder_thenActualAndExpectedObjectsAreEqual() {
byte[] data = serealizer.serealizeAvroHttpRequestJSON(request);
AvroHttpRequest actualRequest = deSerealizer.deSerealizeAvroHttpRequestJSON(data);
assertEquals(actualRequest, request);
assertTrue(actualRequest.getRequestTime()
.equals(request.getRequestTime()));
}
@Test
public void WhenDeserializeUsingBinaryecoder_thenActualAndExpectedObjectsAreEqual() {
byte[] data = serealizer.serealizeAvroHttpRequestBinary(request);
AvroHttpRequest actualRequest = deSerealizer.deSerealizeAvroHttpRequestBinary(data);
assertEquals(actualRequest, request);
assertTrue(actualRequest.getRequestTime()
.equals(request.getRequestTime()));
}
}