Package org.apache.hadoop.typedbytes

Class TypedBytesRecordOutput

java.lang.Object

org.apache.hadoop.typedbytes.TypedBytesRecordOutput

All Implemented Interfaces:

RecordOutput

public class TypedBytesRecordOutput
extends java.lang.Object
implements RecordOutput

Deserialized for records that reads typed bytes.

Constructor Summary

Constructors

Constructor	Description
TypedBytesRecordOutput(java.io.DataOutput out)	Creates a new instance of TypedBytesRecordOutput.
TypedBytesRecordOutput(TypedBytesOutput out)	Creates a new instance of TypedBytesRecordOutput.

Method Summary

Modifier and Type	Method	Description
void	endMap(java.util.TreeMap m, java.lang.String tag)	Mark the end of a serialized map.
void	endRecord(Record r, java.lang.String tag)	Mark the end of a serialized record.
void	endVector(java.util.ArrayList v, java.lang.String tag)	Mark the end of a serialized vector.
static TypedBytesRecordOutput	get(java.io.DataOutput out)	Get a thread-local typed bytes record output for the supplied DataOutput.
static TypedBytesRecordOutput	get(TypedBytesOutput out)	Get a thread-local typed bytes record input for the supplied TypedBytesOutput.
void	startMap(java.util.TreeMap m, java.lang.String tag)	Mark the start of a map to be serialized.
void	startRecord(Record r, java.lang.String tag)	Mark the start of a record to be serialized.
void	startVector(java.util.ArrayList v, java.lang.String tag)	Mark the start of a vector to be serialized.
void	writeBool(boolean b, java.lang.String tag)	Write a boolean to serialized record.
void	writeBuffer(Buffer buf, java.lang.String tag)	Write a buffer to serialized record.
void	writeByte(byte b, java.lang.String tag)	Write a byte to serialized record.
void	writeDouble(double d, java.lang.String tag)	Write a double precision floating point number to serialized record.
void	writeFloat(float f, java.lang.String tag)	Write a single-precision float to serialized record.
void	writeInt(int i, java.lang.String tag)	Write an integer to serialized record.
void	writeLong(long l, java.lang.String tag)	Write a long integer to serialized record.
void	writeString(java.lang.String s, java.lang.String tag)	Write a unicode string to serialized record.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TypedBytesRecordOutput

public TypedBytesRecordOutput(TypedBytesOutput out)

Creates a new instance of TypedBytesRecordOutput.

TypedBytesRecordOutput

public TypedBytesRecordOutput(java.io.DataOutput out)

Creates a new instance of TypedBytesRecordOutput.

Method Detail

get

public static TypedBytesRecordOutput get(TypedBytesOutput out)

Get a thread-local typed bytes record input for the supplied TypedBytesOutput.

Parameters:

out - typed bytes output object

Returns:

typed bytes record output corresponding to the supplied TypedBytesOutput.

get

public static TypedBytesRecordOutput get(java.io.DataOutput out)

Get a thread-local typed bytes record output for the supplied DataOutput.

Parameters:

out - data output object

Returns:

typed bytes record output corresponding to the supplied DataOutput.

writeBool

public void writeBool(boolean b,
                      java.lang.String tag)
               throws java.io.IOException

Description copied from interface: RecordOutput

Write a boolean to serialized record.

Specified by:

writeBool in interface RecordOutput

Parameters:

b - Boolean to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

writeBuffer

public void writeBuffer(Buffer buf,
                        java.lang.String tag)
                 throws java.io.IOException

Description copied from interface: RecordOutput

Write a buffer to serialized record.

Specified by:

writeBuffer in interface RecordOutput

Parameters:

buf - Buffer to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

writeByte

public void writeByte(byte b,
                      java.lang.String tag)
               throws java.io.IOException

Description copied from interface: RecordOutput

Write a byte to serialized record.

Specified by:

writeByte in interface RecordOutput

Parameters:

b - Byte to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

writeDouble

public void writeDouble(double d,
                        java.lang.String tag)
                 throws java.io.IOException

Description copied from interface: RecordOutput

Write a double precision floating point number to serialized record.

Specified by:

writeDouble in interface RecordOutput

Parameters:

d - Double to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

writeFloat

public void writeFloat(float f,
                       java.lang.String tag)
                throws java.io.IOException

Description copied from interface: RecordOutput

Write a single-precision float to serialized record.

Specified by:

writeFloat in interface RecordOutput

Parameters:

f - Float to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

writeInt

public void writeInt(int i,
                     java.lang.String tag)
              throws java.io.IOException

Description copied from interface: RecordOutput

Write an integer to serialized record.

Specified by:

writeInt in interface RecordOutput

Parameters:

i - Integer to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

writeLong

public void writeLong(long l,
                      java.lang.String tag)
               throws java.io.IOException

Description copied from interface: RecordOutput

Write a long integer to serialized record.

Specified by:

writeLong in interface RecordOutput

Parameters:

l - Long to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

writeString

public void writeString(java.lang.String s,
                        java.lang.String tag)
                 throws java.io.IOException

Description copied from interface: RecordOutput

Write a unicode string to serialized record.

Specified by:

writeString in interface RecordOutput

Parameters:

s - String to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

startRecord

public void startRecord(Record r,
                        java.lang.String tag)
                 throws java.io.IOException

Description copied from interface: RecordOutput

Mark the start of a record to be serialized.

Specified by:

startRecord in interface RecordOutput

Parameters:

r - Record to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

startVector

public void startVector(java.util.ArrayList v,
                        java.lang.String tag)
                 throws java.io.IOException

Description copied from interface: RecordOutput

Mark the start of a vector to be serialized.

Specified by:

startVector in interface RecordOutput

Parameters:

v - Vector to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

startMap

public void startMap(java.util.TreeMap m,
                     java.lang.String tag)
              throws java.io.IOException

Description copied from interface: RecordOutput

Mark the start of a map to be serialized.

Specified by:

startMap in interface RecordOutput

Parameters:

m - Map to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

endRecord

public void endRecord(Record r,
                      java.lang.String tag)
               throws java.io.IOException

Description copied from interface: RecordOutput

Mark the end of a serialized record.

Specified by:

endRecord in interface RecordOutput

Parameters:

r - Record to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

endVector

public void endVector(java.util.ArrayList v,
                      java.lang.String tag)
               throws java.io.IOException

Description copied from interface: RecordOutput

Mark the end of a serialized vector.

Specified by:

endVector in interface RecordOutput

Parameters:

v - Vector to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization

endMap

public void endMap(java.util.TreeMap m,
                   java.lang.String tag)
            throws java.io.IOException

Description copied from interface: RecordOutput

Mark the end of a serialized map.

Specified by:

endMap in interface RecordOutput

Parameters:

m - Map to be serialized

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

Throws:

java.io.IOException - Indicates error in serialization