Package org.jlab.detector.banks

Class FilteredBank

java.lang.Object

org.jlab.detector.banks.FilteredBank

Direct Known Subclasses:

RawBank

public class FilteredBank
extends Object

Utility to provide access to a bank filtered on a certain variable while maintaining mapping to the true row index in the bank.

Author:

gavalian, baltzell

Field Summary

Fields

Modifier and Type	Field	Description
protected org.jlab.jnp.hipo4.data.Bank	bank
static final int	DEFAULT_ALLOC
protected final Set<Integer>	filterList
protected final String	filterVar
protected final List<Integer>	indexList

Constructor Summary

Constructors

Constructor	Description
FilteredBank(org.jlab.jnp.hipo4.data.Schema schema, int allocate, String variableName)
FilteredBank(org.jlab.jnp.hipo4.data.Schema schema, String variableName)

Method Summary

Modifier and Type	Method	Description
int	getByte(String varName, int index)
float	getFloat(String varName, int index)
int	getInt(String varName, int index)
long	getLong(String varName, int index)
int	getRows()
int	getShort(String varName, int index)
static void	main(String[] args)
protected void	notifyRead()	Prepare filtering for the current bank's values
void	read(org.jlab.jnp.hipo4.data.Event evt)	Read the bank and prepare filtering
int	rows()
final void	setFilter(int... values)	Set the filtering criteria
int	trueIndex(int index)

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_ALLOC

public static final int DEFAULT_ALLOC

See Also:

• Constant Field Values

filterVar

protected final String filterVar

bank

protected org.jlab.jnp.hipo4.data.Bank bank

indexList

protected final List<Integer> indexList

filterList

protected final Set<Integer> filterList

Constructor Details

FilteredBank

public FilteredBank(org.jlab.jnp.hipo4.data.Schema schema,
 int allocate,
 String variableName)

Parameters:

schema - schema for the bank to filter

allocate - number of rows to allocate

variableName - name of the variable to filter on

FilteredBank

public FilteredBank(org.jlab.jnp.hipo4.data.Schema schema,
 String variableName)

Parameters:

schema - schema for the bank to filter

variableName - name of the variable to filter on

Method Details

setFilter

public final void setFilter(int... values)

Set the filtering criteria

Parameters:

values - values to filter for

read

public void read(org.jlab.jnp.hipo4.data.Event evt)

Read the bank and prepare filtering

Parameters:

evt -

notifyRead

protected void notifyRead()

Prepare filtering for the current bank's values

rows

public int rows()

Returns:

number of bank rows that satisfy filtering criteria

getRows

public int getRows()

Returns:

number of bank rows that satisfy filtering criteria

getByte

public int getByte(String varName,
 int index)

Parameters:

varName - name of the bank variable

index - filtered index to retrieve

Returns:

value for the filtered index

getShort

public int getShort(String varName,
 int index)

Parameters:

varName - name of the bank variable

index - filtered index to retrieve

Returns:

value for the filtered index

getInt

public int getInt(String varName,
 int index)

Parameters:

varName - name of the bank variable

index - filtered index to retrieve

Returns:

value for the filtered index

getLong

public long getLong(String varName,
 int index)

Parameters:

varName - name of the bank variable

index - filtered index to retrieve

Returns:

value for the filtered index

getFloat

public float getFloat(String varName,
 int index)

Parameters:

varName - name of the bank variable

index - filtered index to retrieve

Returns:

value for the filtered index

trueIndex

public int trueIndex(int index)

Parameters:

index - filtered index to retrieve

Returns:

true bank row index corresponding to the filtered index

main

public static void main(String[] args)