Package com.google.refine.browsing.util

Class ExpressionTimeValueBinner

java.lang.Object

com.google.refine.browsing.util.ExpressionTimeValueBinner

All Implemented Interfaces:

RecordVisitor, RowVisitor

public class ExpressionTimeValueBinner
extends Object
implements RowVisitor, RecordVisitor

Visit matched rows or records and slot them into bins based on the date computed from a given expression.

Field Summary

Fields

Modifier and Type	Field	Description
protected final TimeBinIndex	_index
protected final RowEvaluable	_rowEvaluable
final int[]	bins
int	blankCount
int	errorCount
protected boolean	hasBlank
protected boolean	hasError
protected boolean	hasNonTime
protected boolean	hasTime
int	nonTimeCount
int	timeCount

Constructor Summary

Constructors

Constructor	Description
ExpressionTimeValueBinner(RowEvaluable rowEvaluable, TimeBinIndex index)

Method Summary

Modifier and Type	Method	Description
void	end(Project project)	Called after all visit() calls.
protected void	processRow(Project project, int rowIndex, Row row, Properties bindings)
protected void	processValue(Object value)
protected void	resetFlags()
void	start(Project project)	Called before any visit() call.
protected void	updateCounts()
boolean	visit(Project project, int rowIndex, Row row)
boolean	visit(Project project, Record record)

Methods inherited from class java.lang.Object

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

Field Details

_rowEvaluable

protected final RowEvaluable _rowEvaluable

_index

protected final TimeBinIndex _index

bins

public final int[] bins

timeCount

public int timeCount

nonTimeCount

public int nonTimeCount

blankCount

public int blankCount

errorCount

public int errorCount

hasError

protected boolean hasError

hasBlank

protected boolean hasBlank

hasTime

protected boolean hasTime

hasNonTime

protected boolean hasNonTime

Constructor Details

ExpressionTimeValueBinner

public ExpressionTimeValueBinner(RowEvaluable rowEvaluable,
 TimeBinIndex index)

Method Details

start

public void start(Project project)

Description copied from interface: RowVisitor

Called before any visit() call.

Specified by:

start in interface RecordVisitor

Specified by:

start in interface RowVisitor

end

public void end(Project project)

Description copied from interface: RowVisitor

Called after all visit() calls.

Specified by:

end in interface RecordVisitor

Specified by:

end in interface RowVisitor

visit

public boolean visit(Project project,
 int rowIndex,
 Row row)

Specified by:

visit in interface RowVisitor

Parameters:

project - project

rowIndex - zero-based row index

row - row

Returns:

true to abort visitation early - no further visit calls will be made

visit

public boolean visit(Project project,
 Record record)

Specified by:

visit in interface RecordVisitor

resetFlags

protected void resetFlags()

updateCounts

protected void updateCounts()

processRow

protected void processRow(Project project,
 int rowIndex,
 Row row,
 Properties bindings)

processValue

protected void processValue(Object value)