Class KafkaInputMapperKey

  • All Implemented Interfaces:
    java.io.Externalizable, java.io.Serializable, java.lang.Comparable<org.apache.avro.specific.SpecificRecord>, org.apache.avro.generic.GenericContainer, org.apache.avro.generic.GenericRecord, org.apache.avro.generic.IndexedRecord, org.apache.avro.specific.SpecificRecord

    public class KafkaInputMapperKey
    extends org.apache.avro.specific.SpecificRecordBase
    implements org.apache.avro.specific.SpecificRecord
    The protocol between Mapper and Reducer with KafkaInputFormat for key field
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and Type Field Description
      java.nio.ByteBuffer key
      The raw key bytes excluding any chunking suffix
      long offset
      The offset of the record in the original Kafka topic partition
      static org.apache.avro.Schema SCHEMA$  
    • Constructor Summary

      Constructors 
      Constructor Description
      KafkaInputMapperKey()
      Default constructor.
      KafkaInputMapperKey​(java.nio.ByteBuffer key, java.lang.Long offset)
      All-args constructor.
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.Object get​(int field$)  
      static org.apache.avro.Schema getClassSchema()  
      java.nio.ByteBuffer getKey()
      Gets the value of the 'key' field.
      long getOffset()
      Gets the value of the 'offset' field.
      org.apache.avro.Schema getSchema()  
      org.apache.avro.specific.SpecificData getSpecificData()  
      void put​(int field$, java.lang.Object value$)  
      void readExternal​(java.io.ObjectInput in)  
      void setKey​(java.nio.ByteBuffer value)
      Sets the value of the 'key' field.
      void setOffset​(long value)
      Sets the value of the 'offset' field.
      void writeExternal​(java.io.ObjectOutput out)  
      • Methods inherited from class org.apache.avro.specific.SpecificRecordBase

        compareTo, customDecode, customEncode, equals, get, getConversion, getConversion, hasCustomCoders, hashCode, put, toString
      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait
      • Methods inherited from interface org.apache.avro.generic.GenericRecord

        hasField
    • Field Detail

      • SCHEMA$

        public static final org.apache.avro.Schema SCHEMA$
      • key

        public java.nio.ByteBuffer key
        The raw key bytes excluding any chunking suffix
      • offset

        public long offset
        The offset of the record in the original Kafka topic partition
    • Constructor Detail

      • KafkaInputMapperKey

        public KafkaInputMapperKey()
        Default constructor. Note that this does not initialize fields to their default values from the schema. If that is desired then one should use newBuilder().
      • KafkaInputMapperKey

        public KafkaInputMapperKey​(java.nio.ByteBuffer key,
                                   java.lang.Long offset)
        All-args constructor.
        Parameters:
        key - The raw key bytes excluding any chunking suffix
        offset - The offset of the record in the original Kafka topic partition
    • Method Detail

      • getClassSchema

        public static org.apache.avro.Schema getClassSchema()
      • getSpecificData

        public org.apache.avro.specific.SpecificData getSpecificData()
        Overrides:
        getSpecificData in class org.apache.avro.specific.SpecificRecordBase
      • getSchema

        public org.apache.avro.Schema getSchema()
        Specified by:
        getSchema in interface org.apache.avro.generic.GenericContainer
        Specified by:
        getSchema in class org.apache.avro.specific.SpecificRecordBase
      • get

        public java.lang.Object get​(int field$)
        Specified by:
        get in interface org.apache.avro.generic.IndexedRecord
        Specified by:
        get in class org.apache.avro.specific.SpecificRecordBase
      • put

        public void put​(int field$,
                        java.lang.Object value$)
        Specified by:
        put in interface org.apache.avro.generic.IndexedRecord
        Specified by:
        put in class org.apache.avro.specific.SpecificRecordBase
      • getKey

        public java.nio.ByteBuffer getKey()
        Gets the value of the 'key' field.
        Returns:
        The raw key bytes excluding any chunking suffix
      • setKey

        public void setKey​(java.nio.ByteBuffer value)
        Sets the value of the 'key' field. The raw key bytes excluding any chunking suffix
        Parameters:
        value - the value to set.
      • getOffset

        public long getOffset()
        Gets the value of the 'offset' field.
        Returns:
        The offset of the record in the original Kafka topic partition
      • setOffset

        public void setOffset​(long value)
        Sets the value of the 'offset' field. The offset of the record in the original Kafka topic partition
        Parameters:
        value - the value to set.
      • writeExternal

        public void writeExternal​(java.io.ObjectOutput out)
                           throws java.io.IOException
        Specified by:
        writeExternal in interface java.io.Externalizable
        Overrides:
        writeExternal in class org.apache.avro.specific.SpecificRecordBase
        Throws:
        java.io.IOException
      • readExternal

        public void readExternal​(java.io.ObjectInput in)
                          throws java.io.IOException
        Specified by:
        readExternal in interface java.io.Externalizable
        Overrides:
        readExternal in class org.apache.avro.specific.SpecificRecordBase
        Throws:
        java.io.IOException