T
- class of the entity, representing messagespublic class JsonDeserializer<T>
extends java.lang.Object
implements org.apache.kafka.common.serialization.Deserializer<T>
Deserializer
for receiving JSON from Kafka and return Java objects.Modifier and Type | Field and Description |
---|---|
protected com.fasterxml.jackson.databind.ObjectMapper |
objectMapper |
protected java.lang.Class<T> |
targetType |
Modifier | Constructor and Description |
---|---|
protected |
JsonDeserializer() |
|
JsonDeserializer(java.lang.Class<T> targetType) |
|
JsonDeserializer(java.lang.Class<T> targetType,
com.fasterxml.jackson.databind.ObjectMapper objectMapper) |
protected |
JsonDeserializer(com.fasterxml.jackson.databind.ObjectMapper objectMapper) |
Modifier and Type | Method and Description |
---|---|
void |
close() |
void |
configure(java.util.Map<java.lang.String,?> configs,
boolean isKey) |
T |
deserialize(java.lang.String topic,
byte[] data) |
protected final com.fasterxml.jackson.databind.ObjectMapper objectMapper
protected final java.lang.Class<T> targetType
protected JsonDeserializer()
protected JsonDeserializer(com.fasterxml.jackson.databind.ObjectMapper objectMapper)
public JsonDeserializer(java.lang.Class<T> targetType)
public JsonDeserializer(java.lang.Class<T> targetType, com.fasterxml.jackson.databind.ObjectMapper objectMapper)
public void configure(java.util.Map<java.lang.String,?> configs, boolean isKey)
configure
in interface org.apache.kafka.common.serialization.Deserializer<T>
public T deserialize(java.lang.String topic, byte[] data)
deserialize
in interface org.apache.kafka.common.serialization.Deserializer<T>
public void close()
close
in interface java.io.Closeable
close
in interface java.lang.AutoCloseable
close
in interface org.apache.kafka.common.serialization.Deserializer<T>