org.apache.hadoop.record

Interface RecordOutput

All Known Implementing Classes:

BinaryRecordOutput, CsvRecordOutput

Deprecated.

Replaced by Avro.

@Deprecated
@InterfaceAudience.Public
@InterfaceStability.Stable
public interface RecordOutput

Interface that all the serializers have to implement.

Method Summary

Methods

Modifier and Type	Method and Description
void	endMap(TreeMap m, String tag) Deprecated. Mark the end of a serialized map.
void	endRecord(Record r, String tag) Deprecated. Mark the end of a serialized record.
void	endVector(ArrayList v, String tag) Deprecated. Mark the end of a serialized vector.
void	startMap(TreeMap m, String tag) Deprecated. Mark the start of a map to be serialized.
void	startRecord(Record r, String tag) Deprecated. Mark the start of a record to be serialized.
void	startVector(ArrayList v, String tag) Deprecated. Mark the start of a vector to be serialized.
void	writeBool(boolean b, String tag) Deprecated. Write a boolean to serialized record.
void	writeBuffer(Buffer buf, String tag) Deprecated. Write a buffer to serialized record.
void	writeByte(byte b, String tag) Deprecated. Write a byte to serialized record.
void	writeDouble(double d, String tag) Deprecated. Write a double precision floating point number to serialized record.
void	writeFloat(float f, String tag) Deprecated. Write a single-precision float to serialized record.
void	writeInt(int i, String tag) Deprecated. Write an integer to serialized record.
void	writeLong(long l, String tag) Deprecated. Write a long integer to serialized record.
void	writeString(String s, String tag) Deprecated. Write a unicode string to serialized record.

Method Detail

writeByte

void writeByte(byte b,
             String tag)
               throws IOException

Deprecated.

Write a byte to serialized record.

Parameters:

b - Byte to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

writeBool

void writeBool(boolean b,
             String tag)
               throws IOException

Deprecated.

Write a boolean to serialized record.

Parameters:

b - Boolean to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

writeInt

void writeInt(int i,
            String tag)
              throws IOException

Deprecated.

Write an integer to serialized record.

Parameters:

i - Integer to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

writeLong

void writeLong(long l,
             String tag)
               throws IOException

Deprecated.

Write a long integer to serialized record.

Parameters:

l - Long to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

writeFloat

void writeFloat(float f,
              String tag)
                throws IOException

Deprecated.

Write a single-precision float to serialized record.

Parameters:

f - Float to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

writeDouble

void writeDouble(double d,
               String tag)
                 throws IOException

Deprecated.

Write a double precision floating point number to serialized record.

Parameters:

d - Double to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

writeString

void writeString(String s,
               String tag)
                 throws IOException

Deprecated.

Write a unicode string to serialized record.

Parameters:

s - String to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

writeBuffer

void writeBuffer(Buffer buf,
               String tag)
                 throws IOException

Deprecated.

Write a buffer to serialized record.

Parameters:

buf - Buffer to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

startRecord

void startRecord(Record r,
               String tag)
                 throws IOException

Deprecated.

Mark the start of a record to be serialized.

Parameters:

r - Record to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

endRecord

void endRecord(Record r,
             String tag)
               throws IOException

Deprecated.

Mark the end of a serialized record.

Parameters:

r - Record to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

startVector

void startVector(ArrayList v,
               String tag)
                 throws IOException

Deprecated.

Mark the start of a vector to be serialized.

Parameters:

v - Vector to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

endVector

void endVector(ArrayList v,
             String tag)
               throws IOException

Deprecated.

Mark the end of a serialized vector.

Parameters:

v - Vector to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

startMap

void startMap(TreeMap m,
            String tag)
              throws IOException

Deprecated.

Mark the start of a map to be serialized.

Parameters:

m - Map to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization

endMap

void endMap(TreeMap m,
          String tag)
            throws IOException

Deprecated.

Mark the end of a serialized map.

Parameters:

m - Map to be serialized

tag - Used by tagged serialization formats (such as XML)

Throws:

IOException - Indicates error in serialization