org.apache.flink.connector.pulsar.common.schema

Class PulsarSchemaUtils

java.lang.Object

org.apache.flink.connector.pulsar.common.schema.PulsarSchemaUtils

@Internal
public final class PulsarSchemaUtils
extends Object

Util class for pulsar schema. Register all the PulsarSchemaFactory in this class and provide the TypeInformation or PulsarSchema conversion.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLASS_INFO_PLACEHOLDER

Method Summary

Modifier and Type	Method and Description
static <T> org.apache.pulsar.client.api.Schema<T>	createSchema(org.apache.pulsar.common.schema.SchemaInfo info) Pulsar has a hugh set of built-in schemas.
static <T> org.apache.flink.api.common.typeinfo.TypeInformation<T>	createTypeInformation(org.apache.pulsar.common.schema.SchemaInfo info) Convert the SchemaInfo into a flink manageable TypeInformation.
static <T> Class<T>	decodeClassInfo(org.apache.pulsar.common.schema.SchemaInfo schemaInfo)
static org.apache.pulsar.common.schema.SchemaInfo	encodeClassInfo(org.apache.pulsar.common.schema.SchemaInfo schemaInfo, Class<?> typeClass)
static boolean	haveProtobuf() A boolean value for determine if user have protobuf-java in his class path.
static <T> boolean	isProtobufTypeClass(Class<T> clazz) Check if the given class is a protobuf generated class.

Methods inherited from class java.lang.Object

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

Field Detail

CLASS_INFO_PLACEHOLDER

public static final String CLASS_INFO_PLACEHOLDER

See Also:

Constant Field Values

Method Detail

haveProtobuf

public static boolean haveProtobuf()

A boolean value for determine if user have protobuf-java in his class path.

isProtobufTypeClass

public static <T> boolean isProtobufTypeClass(Class<T> clazz)

Check if the given class is a protobuf generated class. Since this class would throw NP exception when you don't provide protobuf-java, use this method with haveProtobuf()

createSchema

public static <T> org.apache.pulsar.client.api.Schema<T> createSchema(org.apache.pulsar.common.schema.SchemaInfo info)

Pulsar has a hugh set of built-in schemas. We can create them by the given SchemaInfo. This schema info is a wrapped info created by PulsarSchema.

createTypeInformation

public static <T> org.apache.flink.api.common.typeinfo.TypeInformation<T> createTypeInformation(org.apache.pulsar.common.schema.SchemaInfo info)

Convert the SchemaInfo into a flink manageable TypeInformation. This schema info is a wrapped info created by PulsarSchema.

encodeClassInfo

public static org.apache.pulsar.common.schema.SchemaInfo encodeClassInfo(org.apache.pulsar.common.schema.SchemaInfo schemaInfo,
                                                                         Class<?> typeClass)

decodeClassInfo

public static <T> Class<T> decodeClassInfo(org.apache.pulsar.common.schema.SchemaInfo schemaInfo)