org.jlab.coda.eventViewer

Class BlockHeader

java.lang.Object

org.jlab.coda.eventViewer.BlockHeader

public final class BlockHeader
extends java.lang.Object

Modified copy of the org.jlab.code.jevio.BlockNode class. Used to represent an evio structure such as a Bank, Segment, or Tagsegment.

Author:

timmer (1/20/17)

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	count Number of events in block.
(package private) int	currentEventIndex The index into the "events" list of the element that is currently being looked at (starting at 0).
(package private) java.lang.String	error Contains description of any error in block's data.
(package private) java.util.ArrayList<EvioHeader>	events If error somewhere in this block, store reference to each contained event.
(package private) long	filePos Position of block in file.
(package private) boolean	hasDictionary Block has dictionary event.
(package private) int	headerLen Block's header length value (32-bit words).
(package private) int	infoWord Word containing version, hasDictionary, and is Last info.
(package private) boolean	isLast Is last block in file.
(package private) long	len Block's length value (32-bit words).
(package private) static int	MAGIC_INT
(package private) int	place Place of this block in file/buffer or block number.
(package private) int	version Evio version.

Constructor Summary

Constructors

Constructor and Description
BlockHeader()

Method Summary

Modifier and Type	Method and Description
(package private) void	setData(int[] blockInts) Set members given an array containing the block header values.
(package private) void	setInfoWord(int infoWord) Given the info word, set version, isLast, and hasDictionary values.

Methods inherited from class java.lang.Object

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

Field Detail

MAGIC_INT

static int MAGIC_INT

len

long len

Block's length value (32-bit words).

headerLen

int headerLen

Block's header length value (32-bit words).

count

int count

Number of events in block.

filePos

long filePos

Position of block in file.

place

int place

Place of this block in file/buffer or block number. First block = 1, second = 2, etc.

infoWord

int infoWord

Word containing version, hasDictionary, and is Last info.

version

int version

Evio version.

hasDictionary

boolean hasDictionary

Block has dictionary event.

isLast

boolean isLast

Is last block in file.

error

java.lang.String error

Contains description of any error in block's data.

currentEventIndex

int currentEventIndex

The index into the "events" list of the element that is currently being looked at (starting at 0).

events

final java.util.ArrayList<EvioHeader> events

If error somewhere in this block, store reference to each contained event.

Constructor Detail

BlockHeader

public BlockHeader()

Method Detail

setInfoWord

void setInfoWord(int infoWord)

Given the info word, set version, isLast, and hasDictionary values.

Parameters:

infoWord - info word of block header

setData

void setData(int[] blockInts)

Set members given an array containing the block header values.

Parameters:

blockInts - array containing the block header values in proper order.