io.kgraph.utils

Class ClientUtils

java.lang.Object

io.kgraph.utils.ClientUtils

public class ClientUtils
extends Object

Constructor Summary

Constructors

Constructor and Description
ClientUtils()

Method Summary

Modifier and Type	Method and Description
static Properties	consumerConfig(String bootstrapServers, String groupId, Class keyDeserializer, Class valueDeserializer, Properties additional)
static void	createTopic(String topic, int numPartitions, short replicationFactor, Properties props)
static String	generateRandomHexString(int len)
static <T> T	getConfiguredInstance(Class<T> cls, Map<String,?> configs)
static <T> org.apache.kafka.common.serialization.Serde<T>	getSerde(Class<org.apache.kafka.common.serialization.Serde<T>> cls, Map<String,?> configs)
static Properties	producerConfig(String bootstrapServers, Class keySerializer, Class valueSerializer, Properties additional)
static Properties	streamsConfig(String applicationId, String clientId, String bootstrapServers, Class keySerde, Class valueSerde)
static Properties	streamsConfig(String applicationId, String clientId, String bootstrapServers, Class keySerde, Class valueSerde, Properties additional)
static File	tempDirectory() Create a temporary relative directory in the default temporary-file directory with a prefix of "kafka-"
static File	tempDirectory(Path parent, String prefix) Create a temporary relative directory in the specified parent directory with the given prefix.
static File	tempDirectory(String prefix) Create a temporary relative directory in the default temporary-file directory with the given prefix.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ClientUtils

public ClientUtils()

Method Detail

tempDirectory

public static File tempDirectory(String prefix)

Create a temporary relative directory in the default temporary-file directory with the given prefix.

Parameters:

prefix - The prefix of the temporary directory, if null using "kafka-" as default prefix

Returns:

the temp dir

tempDirectory

public static File tempDirectory()

Create a temporary relative directory in the default temporary-file directory with a prefix of "kafka-"

Returns:

the temporary directory just created.

tempDirectory

public static File tempDirectory(Path parent,
                                 String prefix)

Create a temporary relative directory in the specified parent directory with the given prefix.

Parameters:

parent - The parent folder path name, if null using the default temporary-file directory

prefix - The prefix of the temporary directory, if null using "kafka-" as default prefix

Returns:

the temp dir

getSerde

public static <T> org.apache.kafka.common.serialization.Serde<T> getSerde(Class<org.apache.kafka.common.serialization.Serde<T>> cls,
                                                                          Map<String,?> configs)

getConfiguredInstance

public static <T> T getConfiguredInstance(Class<T> cls,
                                          Map<String,?> configs)

producerConfig

public static Properties producerConfig(String bootstrapServers,
                                        Class keySerializer,
                                        Class valueSerializer,
                                        Properties additional)

consumerConfig

public static Properties consumerConfig(String bootstrapServers,
                                        String groupId,
                                        Class keyDeserializer,
                                        Class valueDeserializer,
                                        Properties additional)

streamsConfig

public static Properties streamsConfig(String applicationId,
                                       String clientId,
                                       String bootstrapServers,
                                       Class keySerde,
                                       Class valueSerde)

streamsConfig

public static Properties streamsConfig(String applicationId,
                                       String clientId,
                                       String bootstrapServers,
                                       Class keySerde,
                                       Class valueSerde,
                                       Properties additional)

createTopic

public static void createTopic(String topic,
                               int numPartitions,
                               short replicationFactor,
                               Properties props)

generateRandomHexString

public static String generateRandomHexString(int len)