alluxio.proxy.s3

Class S3RangeSpec

java.lang.Object

alluxio.proxy.s3.S3RangeSpec

public class S3RangeSpec
extends Object

This class is Range Spec for Amazon S3 API.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	S3RangeSpec.Factory Factory for S3RangeSpec.

Field Summary

Fields

Modifier and Type	Field and Description
static S3RangeSpec	INVALID_S3_RANGE_SPEC

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	S3RangeSpec(boolean isValid)
	S3RangeSpec(long start, long end)

Method Summary

Modifier and Type	Method and Description
long	getLength(long objectSize) Get real length of object.
long	getOffset(long objectSize) Get real offset of object.
String	getRealRange(long objectSize) Get real range of response.
boolean	isValid()

Methods inherited from class java.lang.Object

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

Field Detail

INVALID_S3_RANGE_SPEC

public static final S3RangeSpec INVALID_S3_RANGE_SPEC

Constructor Detail

S3RangeSpec

protected S3RangeSpec(boolean isValid)

Parameters:

isValid - the spec is valid or not

S3RangeSpec

public S3RangeSpec(long start,
                   long end)

Parameters:

start - the start offset of object

end - the end offset of object

Method Detail

getLength

public long getLength(long objectSize)

Get real length of object.

Parameters:

objectSize - the object size

Returns:

the real object length referring to range

getOffset

public long getOffset(long objectSize)

Get real offset of object.

Parameters:

objectSize - the object size

Returns:

the real object offset referring to range

getRealRange

public String getRealRange(long objectSize)

Get real range of response.

Parameters:

objectSize - the object size

Returns:

the real range for response

isValid

public boolean isValid()

Returns:

true if Range Spec is valid