程序包 org.apache.pulsar.client.api.schema

接口 GenericRecord

所有超级接口:

GenericObject

@Public
@Stable
public interface GenericRecord
extends GenericObject

An interface represents a message with schema.

方法概要

修饰符和类型	方法	说明
java.lang.Object	getField(java.lang.String fieldName)	Retrieve the value of the provided fieldName.
default java.lang.Object	getField(Field field)	Retrieve the value of the provided field.
java.util.List<Field>	getFields()	Returns the list of fields associated with the record.
default java.lang.Object	getNativeObject()	Return the internal native representation of the Record, like a AVRO GenericRecord.
default SchemaType	getSchemaType()	Return the schema tyoe.
byte[]	getSchemaVersion()	Return schema version.

方法详细资料

getSchemaVersion

byte[] getSchemaVersion()

Return schema version.

返回:

schema version, or null if the information is not available.

getFields

java.util.List<Field> getFields()

Returns the list of fields associated with the record.

返回:

the list of fields associated with the record.

getField

default java.lang.Object getField(Field field)

Retrieve the value of the provided field.

参数:

field - the field to retrieve the value

返回:

the value object

getField

java.lang.Object getField(java.lang.String fieldName)

Retrieve the value of the provided fieldName.

参数:

fieldName - the field name

返回:

the value object, or null if field doesn't exist

getSchemaType

default SchemaType getSchemaType()

Return the schema tyoe.

指定者:

getSchemaType 在接口中 GenericObject

返回:

the schema type

抛出:

java.lang.UnsupportedOperationException - if this feature is not implemented

另请参阅:

SchemaType.AVRO, SchemaType.PROTOBUF_NATIVE, SchemaType.JSON

getNativeObject

default java.lang.Object getNativeObject()

Return the internal native representation of the Record, like a AVRO GenericRecord.

指定者:

getNativeObject 在接口中 GenericObject

返回:

the internal representation of the record

抛出:

java.lang.UnsupportedOperationException - if the operation is not supported