TypedBytesInput (Hadoop 1.2.2-SNAPSHOT API)

java.lang.Object
- org.apache.hadoop.typedbytes.TypedBytesInput

```
public class TypedBytesInput
extends Object
```
Provides functionality for reading typed bytes.

构造器概要

构造器
构造器和说明

TypedBytesInput(DataInput in)
Creates a new instance of TypedBytesInput.

构造器
构造器和说明
`TypedBytesInput(DataInput in)` Creates a new instance of TypedBytesInput.

方法概要

方法
限定符和类型	方法和说明
`static TypedBytesInput`	`get(DataInput in)` Get a thread-local typed bytes input for the supplied `DataInput`.
`Object`	`read()` Reads a typed bytes sequence and converts it to a Java object.
`boolean`	`readBool()` Reads the boolean following a `Type.BOOL` code.
`byte`	`readByte()` Reads the byte following a `Type.BYTE` code.
`byte[]`	`readBytes()` Reads the bytes following a `Type.BYTES` code.
`double`	`readDouble()` Reads the double following a `Type.DOUBLE` code.
`float`	`readFloat()` Reads the float following a `Type.FLOAT` code.
`int`	`readInt()` Reads the integer following a `Type.INT` code.
`List`	`readList()` Reads the list following a `Type.LIST` code.
`long`	`readLong()` Reads the long following a `Type.LONG` code.
`TreeMap`	`readMap()` Reads the map following a `Type.MAP` code.
`int`	`readMapHeader()` Reads the header following a `Type.MAP` code.
`byte[]`	`readRaw()` Reads a typed bytes sequence.
`byte[]`	`readRawBool()` Reads the raw bytes following a `Type.BOOL` code.
`byte[]`	`readRawByte()` Reads the raw byte following a `Type.BYTE` code.
`byte[]`	`readRawBytes()` Reads the raw bytes following a `Type.BYTES` code.
`byte[]`	`readRawBytes(int code)` Reads the raw bytes following a custom code.
`byte[]`	`readRawDouble()` Reads the raw bytes following a `Type.DOUBLE` code.
`byte[]`	`readRawFloat()` Reads the raw bytes following a `Type.FLOAT` code.
`byte[]`	`readRawInt()` Reads the raw bytes following a `Type.INT` code.
`byte[]`	`readRawList()` Reads the raw bytes following a `Type.LIST` code.
`byte[]`	`readRawLong()` Reads the raw bytes following a `Type.LONG` code.
`byte[]`	`readRawMap()` Reads the raw bytes following a `Type.MAP` code.
`byte[]`	`readRawString()` Reads the raw bytes following a `Type.STRING` code.
`byte[]`	`readRawVector()` Reads the raw bytes following a `Type.VECTOR` code.
`String`	`readString()` Reads the string following a `Type.STRING` code.
`Type`	`readType()` Reads a type byte and returns the corresponding `Type`.
`ArrayList`	`readVector()` Reads the vector following a `Type.VECTOR` code.
`int`	`readVectorHeader()` Reads the header following a `Type.VECTOR` code.
`boolean`	`skipType()` Skips a type byte.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - TypedBytesInput
```
public TypedBytesInput(DataInput in)
```
    Creates a new instance of TypedBytesInput.
- 方法详细资料
  - get
```
public static TypedBytesInput get(DataInput in)
```
    Get a thread-local typed bytes input for the supplied DataInput.
    
    参数:
    in - data input object
    
    返回:
    typed bytes input corresponding to the supplied DataInput.
  - read
```
public Object read()
            throws IOException
```
    Reads a typed bytes sequence and converts it to a Java object. The first byte is interpreted as a type code, and then the right number of subsequent bytes are read depending on the obtained type.
    
    返回:
    the obtained object or null when the end of the file is reached
    
    抛出:
    
    IOException
  - readRaw
```
public byte[] readRaw()
               throws IOException
```
    Reads a typed bytes sequence. The first byte is interpreted as a type code, and then the right number of subsequent bytes are read depending on the obtained type.
    
    返回:
    the obtained typed bytes sequence or null when the end of the file is reached
    
    抛出:
    
    IOException
  - readType
```
public Type readType()
              throws IOException
```
    Reads a type byte and returns the corresponding Type.
    
    返回:
    the obtained Type or null when the end of the file is reached
    
    抛出:
    
    IOException
  - skipType
```
public boolean skipType()
                 throws IOException
```
    Skips a type byte.
    
    返回:
    true iff the end of the file was not reached
    
    抛出:
    
    IOException
  - readBytes
```
public byte[] readBytes()
                 throws IOException
```
    Reads the bytes following a Type.BYTES code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readRawBytes
```
public byte[] readRawBytes(int code)
                    throws IOException
```
    Reads the raw bytes following a custom code.
    
    参数:
    code - the custom type code
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readRawBytes
```
public byte[] readRawBytes()
                    throws IOException
```
    Reads the raw bytes following a Type.BYTES code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readByte
```
public byte readByte()
              throws IOException
```
    Reads the byte following a Type.BYTE code.
    
    返回:
    the obtained byte
    
    抛出:
    
    IOException
  - readRawByte
```
public byte[] readRawByte()
                   throws IOException
```
    Reads the raw byte following a Type.BYTE code.
    
    返回:
    the obtained byte
    
    抛出:
    
    IOException
  - readBool
```
public boolean readBool()
                 throws IOException
```
    Reads the boolean following a Type.BOOL code.
    
    返回:
    the obtained boolean
    
    抛出:
    
    IOException
  - readRawBool
```
public byte[] readRawBool()
                   throws IOException
```
    Reads the raw bytes following a Type.BOOL code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readInt
```
public int readInt()
            throws IOException
```
    Reads the integer following a Type.INT code.
    
    返回:
    the obtained integer
    
    抛出:
    
    IOException
  - readRawInt
```
public byte[] readRawInt()
                  throws IOException
```
    Reads the raw bytes following a Type.INT code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readLong
```
public long readLong()
              throws IOException
```
    Reads the long following a Type.LONG code.
    
    返回:
    the obtained long
    
    抛出:
    
    IOException
  - readRawLong
```
public byte[] readRawLong()
                   throws IOException
```
    Reads the raw bytes following a Type.LONG code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readFloat
```
public float readFloat()
                throws IOException
```
    Reads the float following a Type.FLOAT code.
    
    返回:
    the obtained float
    
    抛出:
    
    IOException
  - readRawFloat
```
public byte[] readRawFloat()
                    throws IOException
```
    Reads the raw bytes following a Type.FLOAT code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readDouble
```
public double readDouble()
                  throws IOException
```
    Reads the double following a Type.DOUBLE code.
    
    返回:
    the obtained double
    
    抛出:
    
    IOException
  - readRawDouble
```
public byte[] readRawDouble()
                     throws IOException
```
    Reads the raw bytes following a Type.DOUBLE code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readString
```
public String readString()
                  throws IOException
```
    Reads the string following a Type.STRING code.
    
    返回:
    the obtained string
    
    抛出:
    
    IOException
  - readRawString
```
public byte[] readRawString()
                     throws IOException
```
    Reads the raw bytes following a Type.STRING code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readVector
```
public ArrayList readVector()
                     throws IOException
```
    Reads the vector following a Type.VECTOR code.
    
    返回:
    the obtained vector
    
    抛出:
    
    IOException
  - readRawVector
```
public byte[] readRawVector()
                     throws IOException
```
    Reads the raw bytes following a Type.VECTOR code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readVectorHeader
```
public int readVectorHeader()
                     throws IOException
```
    Reads the header following a Type.VECTOR code.
    
    返回:
    the number of elements in the vector
    
    抛出:
    
    IOException
  - readList
```
public List readList()
              throws IOException
```
    Reads the list following a Type.LIST code.
    
    返回:
    the obtained list
    
    抛出:
    
    IOException
  - readRawList
```
public byte[] readRawList()
                   throws IOException
```
    Reads the raw bytes following a Type.LIST code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readMap
```
public TreeMap readMap()
                throws IOException
```
    Reads the map following a Type.MAP code.
    
    返回:
    the obtained map
    
    抛出:
    
    IOException
  - readRawMap
```
public byte[] readRawMap()
                  throws IOException
```
    Reads the raw bytes following a Type.MAP code.
    
    返回:
    the obtained bytes sequence
    
    抛出:
    
    IOException
  - readMapHeader
```
public int readMapHeader()
                  throws IOException
```
    Reads the header following a Type.MAP code.
    
    返回:
    the number of key-value pairs in the map
    
    抛出:
    
    IOException

类 TypedBytesInput

构造器概要

方法概要

从类继承的方法 java.lang.Object

构造器详细资料

TypedBytesInput

方法详细资料

get

read

readRaw

readType

skipType

readBytes

readRawBytes

readRawBytes

readByte

readRawByte

readBool

readRawBool

readInt

readRawInt

readLong

readRawLong

readFloat

readRawFloat

readDouble

readRawDouble

readString

readRawString

readVector

readRawVector

readVectorHeader

readList

readRawList

readMap

readRawMap

readMapHeader