接口 org.apache.hadoop.record.RecordInput
的使用

使用RecordInput的程序包

程序包	说明
org.apache.hadoop.record	Hadoop record I/O contains classes and a record description language translator for simplifying serialization and deserialization of records in a language-neutral manner.
org.apache.hadoop.record.meta
org.apache.hadoop.typedbytes	Typed bytes are sequences of bytes in which the first byte is a type code.

org.apache.hadoop.record中RecordInput的使用

实现RecordInput的org.apache.hadoop.record中的类

限定符和类型	类和说明
class	BinaryRecordInput
class	CsvRecordInput
class	XmlRecordInput XML Deserializer.

参数类型为RecordInput的org.apache.hadoop.record中的方法

限定符和类型	方法和说明
void	Record.deserialize(RecordInput rin) Deserialize a record without a tag
abstract void	Record.deserialize(RecordInput rin, String tag) Deserialize a record with a tag (usually field name)

org.apache.hadoop.record.meta中RecordInput的使用

参数类型为RecordInput的org.apache.hadoop.record.meta中的方法

限定符和类型	方法和说明
void	RecordTypeInfo.deserialize(RecordInput rin, String tag) Deserialize the type information for a record
static void	Utils.skip(RecordInput rin, String tag, TypeID typeID) read/skip bytes from stream based on a type

org.apache.hadoop.typedbytes中RecordInput的使用

实现RecordInput的org.apache.hadoop.typedbytes中的类

限定符和类型	类和说明
class	TypedBytesRecordInput Serializer for records that writes typed bytes.