DataFrameHeaderReader (libthrift 0.15.0 API)

java.lang.Object
- org.apache.thrift.transport.sasl.FixedSizeHeaderReader
- - org.apache.thrift.transport.sasl.DataFrameHeaderReader

All Implemented Interfaces:

FrameHeaderReader
```
public class DataFrameHeaderReader
extends FixedSizeHeaderReader
```
The header for data frame, it only contains a 4-byte payload size.

Field Summary

Fields
Modifier and Type Field Description

static int PAYLOAD_LENGTH_BYTES
- Fields inherited from class org.apache.thrift.transport.sasl.FixedSizeHeaderReader
  byteBuffer

Constructor Summary

Constructors
Constructor Description

DataFrameHeaderReader()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected int`	`headerSize()`
`protected void`	`onComplete()`	Actions (e.g. validation) to carry out when the header is complete.
`int`	`payloadSize()`	As the thrift sasl specification states, all sasl messages (both for negotiatiing and for sending data) should have a header to indicate the size of the payload.

Methods inherited from class org.apache.thrift.transport.sasl.FixedSizeHeaderReader
clear, isComplete, read, toBytes

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PAYLOAD_LENGTH_BYTES
```
public static final int PAYLOAD_LENGTH_BYTES
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - DataFrameHeaderReader
```
public DataFrameHeaderReader()
```
- Method Detail
  - headerSize
```
protected int headerSize()
```
    Specified by:
    
    headerSize in class FixedSizeHeaderReader
    
    Returns:
    
    Size of the header.
  - onComplete
```
protected void onComplete()
                   throws TInvalidSaslFrameException
```
    Description copied from class: FixedSizeHeaderReader
    
    Actions (e.g. validation) to carry out when the header is complete.
    
    Specified by:
    
    onComplete in class FixedSizeHeaderReader
    
    Throws:
    
    TInvalidSaslFrameException
  - payloadSize
```
public int payloadSize()
```
    Description copied from interface: FrameHeaderReader
    
    As the thrift sasl specification states, all sasl messages (both for negotiatiing and for sending data) should have a header to indicate the size of the payload.
    
    Returns:
    
    size of the payload.