Package org.deltafi.common.content

Class ContentReference

java.lang.Object

org.deltafi.common.content.ContentReference

public class ContentReference
extends Object

Constructor Summary

Constructors

Constructor	Description
ContentReference(String mediaType, List<Segment> segments, long ignored)	Provide an all-args constructor including size, which is a field in graphql but not on the object
ContentReference(String mediaType, Segment... segments)

Method Summary

Modifier and Type	Method	Description
long	getSize()	Calculate size of all the segments
static long	minOffset(List<Segment> segments)
void	setSize(long ignored)	Empty method in place for object mappers trying to set the size from JSON
ContentReference	subreference(long offset, long size)	Returns a new ContentReference that is a copy of a portion of this ContentReference, at the given offset and size Handles piecing together the underlying segments properly
List<Segment>	subreferenceSegments(long offset, long size)	Returns a list of Segments that copy portions of this ContentReference, at the given offset and size Handles piecing together the underlying segments properly
static long	sumSegmentSizes(List<Segment> segments)

Methods inherited from class java.lang.Object

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

Constructor Details

ContentReference

public ContentReference(String mediaType,
 Segment... segments)

ContentReference

public ContentReference(String mediaType,
 List<Segment> segments,
 long ignored)

Provide an all-args constructor including size, which is a field in graphql but not on the object

Parameters:

mediaType - mediaType

segments - segments

ignored - placeholder for size

Method Details

setSize

public void setSize(long ignored)

Empty method in place for object mappers trying to set the size from JSON

Parameters:

ignored - ignored field

getSize

public long getSize()

Calculate size of all the segments

Returns:

total size

subreference

public ContentReference subreference(long offset,
 long size)

Returns a new ContentReference that is a copy of a portion of this ContentReference, at the given offset and size Handles piecing together the underlying segments properly

Parameters:

offset - Number of bytes at which to offset the new ContentReference

size - Size in bytes of the new ContentReference

Returns:

A trimmed down ContentReference

subreferenceSegments

public List<Segment> subreferenceSegments(long offset,
 long size)

Returns a list of Segments that copy portions of this ContentReference, at the given offset and size Handles piecing together the underlying segments properly

Parameters:

offset - Number of bytes at which to offset the new segments

size - Size in bytes of the new segments

Returns:

A subset of segments in the ContentReference

sumSegmentSizes

public static long sumSegmentSizes(List<Segment> segments)

minOffset

public static long minOffset(List<Segment> segments)