BinaryRecordInput (Hadoop 1.2.2-SNAPSHOT API)

java.lang.Object
- org.apache.hadoop.record.BinaryRecordInput

所有已实现的接口:: RecordInput

public class BinaryRecordInput
extends Object
implements RecordInput

构造器概要

构造器
构造器和说明

BinaryRecordInput(DataInput din)
Creates a new instance of BinaryRecordInput

BinaryRecordInput(InputStream strm)
Creates a new instance of BinaryRecordInput

构造器
构造器和说明
`BinaryRecordInput(DataInput din)` Creates a new instance of BinaryRecordInput
`BinaryRecordInput(InputStream strm)` Creates a new instance of BinaryRecordInput

方法概要

方法
限定符和类型	方法和说明
`void`	`endMap(String tag)` Check the mark for end of the serialized map.
`void`	`endRecord(String tag)` Check the mark for end of the serialized record.
`void`	`endVector(String tag)` Check the mark for end of the serialized vector.
`static BinaryRecordInput`	`get(DataInput inp)` Get a thread-local record input for the supplied DataInput.
`boolean`	`readBool(String tag)` Read a boolean from serialized record.
`Buffer`	`readBuffer(String tag)` Read byte array from serialized record.
`byte`	`readByte(String tag)` Read a byte from serialized record.
`double`	`readDouble(String tag)` Read a double-precision number from serialized record.
`float`	`readFloat(String tag)` Read a single-precision float from serialized record.
`int`	`readInt(String tag)` Read an integer from serialized record.
`long`	`readLong(String tag)` Read a long integer from serialized record.
`String`	`readString(String tag)` Read a UTF-8 encoded string from serialized record.
`Index`	`startMap(String tag)` Check the mark for start of the serialized map.
`void`	`startRecord(String tag)` Check the mark for start of the serialized record.
`Index`	`startVector(String tag)` Check the mark for start of the serialized vector.

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
  - BinaryRecordInput
```
public BinaryRecordInput(InputStream strm)
```
    Creates a new instance of BinaryRecordInput
  - BinaryRecordInput
```
public BinaryRecordInput(DataInput din)
```
    Creates a new instance of BinaryRecordInput
- 方法详细资料
  - get
```
public static BinaryRecordInput get(DataInput inp)
```
    Get a thread-local record input for the supplied DataInput.
    
    参数:
    inp - data input stream
    
    返回:
    binary record input corresponding to the supplied DataInput.
  - readByte
```
public byte readByte(String tag)
              throws IOException
```
    从接口复制的说明: RecordInput
    
    Read a byte from serialized record.
    
    指定者:
    
    readByte 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    value read from serialized record.
    
    抛出:
    
    IOException
  - readBool
```
public boolean readBool(String tag)
                 throws IOException
```
    从接口复制的说明: RecordInput
    
    Read a boolean from serialized record.
    
    指定者:
    
    readBool 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    value read from serialized record.
    
    抛出:
    
    IOException
  - readInt
```
public int readInt(String tag)
            throws IOException
```
    从接口复制的说明: RecordInput
    
    Read an integer from serialized record.
    
    指定者:
    
    readInt 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    value read from serialized record.
    
    抛出:
    
    IOException
  - readLong
```
public long readLong(String tag)
              throws IOException
```
    从接口复制的说明: RecordInput
    
    Read a long integer from serialized record.
    
    指定者:
    
    readLong 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    value read from serialized record.
    
    抛出:
    
    IOException
  - readFloat
```
public float readFloat(String tag)
                throws IOException
```
    从接口复制的说明: RecordInput
    
    Read a single-precision float from serialized record.
    
    指定者:
    
    readFloat 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    value read from serialized record.
    
    抛出:
    
    IOException
  - readDouble
```
public double readDouble(String tag)
                  throws IOException
```
    从接口复制的说明: RecordInput
    
    Read a double-precision number from serialized record.
    
    指定者:
    
    readDouble 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    value read from serialized record.
    
    抛出:
    
    IOException
  - readString
```
public String readString(String tag)
                  throws IOException
```
    从接口复制的说明: RecordInput
    
    Read a UTF-8 encoded string from serialized record.
    
    指定者:
    
    readString 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    value read from serialized record.
    
    抛出:
    
    IOException
  - readBuffer
```
public Buffer readBuffer(String tag)
                  throws IOException
```
    从接口复制的说明: RecordInput
    
    Read byte array from serialized record.
    
    指定者:
    
    readBuffer 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    value read from serialized record.
    
    抛出:
    
    IOException
  - startRecord
```
public void startRecord(String tag)
                 throws IOException
```
    从接口复制的说明: RecordInput
    
    Check the mark for start of the serialized record.
    
    指定者:
    
    startRecord 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    抛出:
    
    IOException
  - endRecord
```
public void endRecord(String tag)
               throws IOException
```
    从接口复制的说明: RecordInput
    
    Check the mark for end of the serialized record.
    
    指定者:
    
    endRecord 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    抛出:
    
    IOException
  - startVector
```
public Index startVector(String tag)
                  throws IOException
```
    从接口复制的说明: RecordInput
    
    Check the mark for start of the serialized vector.
    
    指定者:
    
    startVector 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    Index that is used to count the number of elements.
    
    抛出:
    
    IOException
  - endVector
```
public void endVector(String tag)
               throws IOException
```
    从接口复制的说明: RecordInput
    
    Check the mark for end of the serialized vector.
    
    指定者:
    
    endVector 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    抛出:
    
    IOException
  - startMap
```
public Index startMap(String tag)
               throws IOException
```
    从接口复制的说明: RecordInput
    
    Check the mark for start of the serialized map.
    
    指定者:
    
    startMap 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    返回:
    Index that is used to count the number of map entries.
    
    抛出:
    
    IOException
  - endMap
```
public void endMap(String tag)
            throws IOException
```
    从接口复制的说明: RecordInput
    
    Check the mark for end of the serialized map.
    
    指定者:
    
    endMap 在接口中 RecordInput
    
    参数:
    tag - Used by tagged serialization formats (such as XML)
    
    抛出:
    
    IOException

类 BinaryRecordInput

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

BinaryRecordInput

BinaryRecordInput

方法详细资料

get

readByte

readBool

readInt

readLong

readFloat

readDouble

readString

readBuffer

startRecord

endRecord

startVector

endVector

startMap

endMap