TimeColumn (tablesaw-core 0.43.1 API)

java.lang.Object
- tech.tablesaw.columns.AbstractColumn<TimeColumn,LocalTime>
- - tech.tablesaw.api.TimeColumn

All Implemented Interfaces:

Iterable<LocalTime>, Comparator<LocalTime>, CategoricalColumn<LocalTime>, Column<LocalTime>, TimeFillers<TimeColumn>, TimeFilters, TimeMapFunctions
```
public class TimeColumn
extends AbstractColumn<TimeColumn,LocalTime>
implements CategoricalColumn<LocalTime>, TimeFilters, TimeFillers<TimeColumn>, TimeMapFunctions
```
A column that contains int-encoded local time values

Field Summary

Fields
Modifier and Type Field Description

protected it.unimi.dsi.fastutil.ints.IntArrayList data
- Fields inherited from class tech.tablesaw.columns.AbstractColumn
  DEFAULT_ARRAY_SIZE

Fields
Modifier and Type	Field	Description
`protected it.unimi.dsi.fastutil.ints.IntArrayList`	`data`

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`TimeColumn`	`append(LocalTime time)`	Appends value to the bottom of this column and return this column
`TimeColumn`	`append(Column<LocalTime> column)`	Appends all the values in the argument to the bottom of this column and return this column
`TimeColumn`	`append(Column<LocalTime> column, int row)`	Appends the value at the given row in the given column to the bottom of this column and return this column
`TimeColumn`	`appendCell(String object)`	Add one element to the bottom of this column and set its value to the parsed value of the given String.
`TimeColumn`	`appendCell(String object, AbstractColumnParser<?> parser)`	Add one element to the bottom of this column and set its value to the parsed value of the given String, as performed by the given parser
`TimeColumn`	`appendInternal(int f)`
`TimeColumn`	`appendMissing()`	Appends a missing value appropriate to the column
`TimeColumn`	`appendObj(Object obj)`	Appends the given value to the bottom of this column and return this column
`byte[]`	`asBytes(int rowNumber)`	Returns the contents of the cell at rowNumber as a byte[]
`double[]`	`asDoubleArray()`
`DoubleColumn`	`asDoubleColumn()`
`List<LocalTime>`	`asList()`	Returns the entire contents of this column as a list
`LocalTime[]`	`asObjectArray()`	Returns an array of objects as appropriate for my type of column
`Set<LocalTime>`	`asSet()`	Returns a Set containing all the unique values in this column
`List<LocalTime>`	`bottom(int n)`	Returns the smallest ("bottom") n values in the column, Does not change the order in this column
`int`	`byteSize()`	Returns the width of a cell in this column, in bytes.
`void`	`clear()`	Removes all elements TODO: Make this return this column
`int`	`compare(LocalTime o1, LocalTime o2)`
`boolean`	`contains(LocalTime time)`	Returns `true` if the given object appears in this column, and false otherwise
`TimeColumn`	`copy()`	Returns a deep copy of the receiver
`int`	`countMissing()`	Returns the count of missing values in this column
`int`	`countUnique()`	Returns the count of unique values in this column.
`static TimeColumn`	`create(String name)`
`static TimeColumn`	`create(String name, int initialSize)`
`static TimeColumn`	`create(String name, LocalTime... data)`
`static TimeColumn`	`create(String name, Collection<LocalTime> data)`
`static TimeColumn`	`create(String name, Stream<LocalTime> stream)`
`static TimeColumn`	`create(String name, AbstractColumnParser<LocalTime> parser)`
`static TimeColumn`	`createInternal(String name, int[] data)`
`TimeColumn`	`emptyCopy()`	Returns a copy of the receiver with no data.
`TimeColumn`	`emptyCopy(int rowSize)`	Returns an empty copy of the receiver, with its internal storage initialized to the given row size.
`boolean`	`equals(int rowNumber1, int rowNumber2)`	Returns true if the value in this column at rowNumber1 is equal to the value at rowNumber2
`TimeColumn`	`fillWith(Iterable<LocalTime> iterable)`
`TimeColumn`	`fillWith(Supplier<LocalTime> supplier)`
`TimeColumn`	`fillWith(Iterator<LocalTime> iterator)`
`LocalTime`	`get(int index)`	Returns the value at the given zero-based index
`double`	`getDouble(int i)`
`int`	`getIntInternal(int index)`	Returns the packed time representation of the value at index
`protected int`	`getPackedTime(int index)`
`String`	`getString(int row)`	Returns a string representation of the value at the given row.
`String`	`getUnformattedString(int row)`	Returns a String representation of the value at index r, without any formatting applied
`it.unimi.dsi.fastutil.ints.IntIterator`	`intIterator()`
`boolean`	`isEmpty()`	Returns true if the column has no data
`Selection`	`isMissing()`	Returns a selection containing an index for every missing value in this column
`boolean`	`isMissing(int rowNumber)`	Returns true if the value at rowNumber is missing
`Selection`	`isNotMissing()`	Returns a selection containing an index for every non-missing value in this column
`Iterator<LocalTime>`	`iterator()`	Returns an iterator over elements of type `T`.
`TimeColumn`	`lag(int n)`	Returns a column of the same type and size as the receiver, containing the receivers values offset by n.
`LocalTime`	`max()`
`LocalTime`	`min()`
`TimeColumn`	`removeMissing()`	Returns a copy of this column with the missing values removed
`it.unimi.dsi.fastutil.ints.IntComparator`	`rowComparator()`	Returns an IntComparator for sorting my rows
`TimeColumn`	`set(int index, int value)`
`TimeColumn`	`set(int index, LocalTime value)`	Sets the value at index row to the given value and return this column
`TimeColumn`	`set(int row, Column<LocalTime> column, int sourceRow)`	Sets the value at row to the value at sourceRow in the given column and return this column
`TimeColumn`	`set(Selection rowSelection, LocalTime newValue)`	Conditionally update this column, replacing current values with newValue for all rows where the current value matches the selection criteria
`TimeColumn`	`setMissing(int i)`	Sets the value at index i to the missing-value indicator for this column type, and return this column
`void`	`setPrintFormatter(DateTimeFormatter dateTimeFormatter)`
`void`	`setPrintFormatter(DateTimeFormatter dateTimeFormatter, String missingValueString)`
`int`	`size()`	Returns the number of elements in this column, including missing values
`void`	`sortAscending()`	Sorts my values in ascending order
`void`	`sortDescending()`	Sorts my values in descending order
`TimeColumn`	`subset(int[] rows)`	Return a column of the same type containing just those elements whose indexes are included in the given array
`Table`	`summary()`	Returns a table containing a ColumnType specific summary of the data in this column
`List<LocalTime>`	`top(int n)`	Returns the largest ("top") n values in the column.
`String`	`toString()`
`TimeColumn`	`unique()`	Returns a column of the same type containing only the unique values
`int`	`valueHash(int rowNumber)`	Returns an int suitable as a hash for the value in this column at the given index
`static boolean`	`valueIsMissing(int i)`
`TimeColumn`	`where(Selection selection)`	Returns a new column containing the subset referenced by the `Selection`

Methods inherited from class tech.tablesaw.columns.AbstractColumn
asStringColumn, filter, first, indexOf, inRange, last, map, max, min, name, parser, sampleN, sampleX, set, setName, setParser, sorted, type

Methods inherited from interface tech.tablesaw.api.CategoricalColumn
countByCategory

Methods inherited from interface tech.tablesaw.columns.Column
allMatch, anyMatch, asStringColumn, columnWidth, count, count, filter, first, indexOf, inRange, interpolate, last, map, map, mapInto, max, max, min, min, name, noneMatch, parser, print, reduce, reduce, rolling, sampleN, sampleX, set, set, set, setMissingTo, setName, setParser, sorted, title, type

Methods inherited from interface java.util.Comparator
comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Methods inherited from interface java.lang.Iterable
forEach, spliterator

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface tech.tablesaw.columns.times.TimeFilters
eval, eval, eval, eval, eval, isAfter, isAfter, isAfter, isAfterNoon, isBefore, isBefore, isBefore, isBeforeNoon, isEqualTo, isEqualTo, isMidnight, isNoon, isNotEqualTo, isNotEqualTo, isOnOrAfter, isOnOrAfter, isOnOrBefore, isOnOrBefore

Methods inherited from interface tech.tablesaw.columns.times.TimeMapFunctions
difference, differenceInHours, differenceInMilliseconds, differenceInMinutes, differenceInSeconds, hour, hourMinute, lead, milliseconds, minus, minusHours, minusMilliseconds, minusMinutes, minusSeconds, minute, minuteOfDay, plus, plusHours, plusMilliseconds, plusMinutes, plusSeconds, second, secondOfDay, timeWindow, timeWindow, truncatedTo, with, withHour, withMillisecond, withMinute, withSecond

- Field Detail
  - data
```
protected it.unimi.dsi.fastutil.ints.IntArrayList data
```
- Method Detail
  - valueHash
```
public int valueHash(int rowNumber)
```
    Returns an int suitable as a hash for the value in this column at the given index
    
    Specified by:
    
    valueHash in interface Column<LocalTime>
  - equals
```
public boolean equals(int rowNumber1,
                      int rowNumber2)
```
    Returns true if the value in this column at rowNumber1 is equal to the value at rowNumber2
    
    Specified by:
    
    equals in interface Column<LocalTime>
  - createInternal
```
public static TimeColumn createInternal(String name,
                                        int[] data)
```
  - valueIsMissing
```
public static boolean valueIsMissing(int i)
```
  - create
```
public static TimeColumn create(String name)
```
  - create
```
public static TimeColumn create(String name,
                                AbstractColumnParser<LocalTime> parser)
```
  - create
```
public static TimeColumn create(String name,
                                Collection<LocalTime> data)
```
  - create
```
public static TimeColumn create(String name,
                                LocalTime... data)
```
  - create
```
public static TimeColumn create(String name,
                                int initialSize)
```
  - create
```
public static TimeColumn create(String name,
                                Stream<LocalTime> stream)
```
  - appendMissing
```
public TimeColumn appendMissing()
```
    Appends a missing value appropriate to the column
    
    Specified by:
    
    appendMissing in interface Column<LocalTime>
  - subset
```
public TimeColumn subset(int[] rows)
```
    Return a column of the same type containing just those elements whose indexes are included in the given array
    
    Specified by:
    
    subset in interface Column<LocalTime>
    
    Overrides:
    
    subset in class AbstractColumn<TimeColumn,LocalTime>
  - lag
```
public TimeColumn lag(int n)
```
    Returns a column of the same type and size as the receiver, containing the receivers values offset by n.
    For example if you lag a column containing 2, 3, 4 by 1, you get a column containing NA, 2, 3
    
    Specified by:
    
    lag in interface Column<LocalTime>
    
    Specified by:
    
    lag in interface TimeMapFunctions
  - isMissing
```
public boolean isMissing(int rowNumber)
```
    Returns true if the value at rowNumber is missing
    
    Specified by:
    
    isMissing in interface Column<LocalTime>
  - size
```
public int size()
```
    Returns the number of elements in this column, including missing values
    
    Specified by:
    
    size in interface Column<LocalTime>
  - appendInternal
```
public TimeColumn appendInternal(int f)
```
  - append
```
public TimeColumn append(LocalTime time)
```
    Appends value to the bottom of this column and return this column
    
    Specified by:
    
    append in interface Column<LocalTime>
  - appendObj
```
public TimeColumn appendObj(Object obj)
```
    Appends the given value to the bottom of this column and return this column
    
    Specified by:
    
    appendObj in interface Column<LocalTime>
  - removeMissing
```
public TimeColumn removeMissing()
```
    Returns a copy of this column with the missing values removed
    
    Specified by:
    
    removeMissing in interface Column<LocalTime>
  - getString
```
public String getString(int row)
```
    Returns a string representation of the value at the given row.
    
    Specified by:
    
    getString in interface Column<LocalTime>
    
    Parameters:
    
    row - The index of the row.
    
    Returns:
    
    value as String
  - getUnformattedString
```
public String getUnformattedString(int row)
```
    Returns a String representation of the value at index r, without any formatting applied
    
    Specified by:
    
    getUnformattedString in interface Column<LocalTime>
  - setPrintFormatter
```
public void setPrintFormatter(DateTimeFormatter dateTimeFormatter,
                              String missingValueString)
```
  - setPrintFormatter
```
public void setPrintFormatter(DateTimeFormatter dateTimeFormatter)
```
  - emptyCopy
```
public TimeColumn emptyCopy()
```
    Returns a copy of the receiver with no data. The column name and type are the same.
    
    Specified by:
    
    emptyCopy in interface Column<LocalTime>
    
    Specified by:
    
    emptyCopy in class AbstractColumn<TimeColumn,LocalTime>
    
    Returns:
    
    a empty copy of Column
  - emptyCopy
```
public TimeColumn emptyCopy(int rowSize)
```
    Returns an empty copy of the receiver, with its internal storage initialized to the given row size.
    
    Specified by:
    
    emptyCopy in interface Column<LocalTime>
    
    Parameters:
    
    rowSize - the initial row size
    
    Returns:
    
    a Column
  - copy
```
public TimeColumn copy()
```
    Returns a deep copy of the receiver
    
    Specified by:
    
    copy in interface Column<LocalTime>
    
    Returns:
    
    a Column
  - clear
```
public void clear()
```
    Removes all elements TODO: Make this return this column
    
    Specified by:
    
    clear in interface Column<LocalTime>
  - asList
```
public List<LocalTime> asList()
```
    Returns the entire contents of this column as a list
    
    Specified by:
    
    asList in interface Column<LocalTime>
  - sortAscending
```
public void sortAscending()
```
    Sorts my values in ascending order
    
    Specified by:
    
    sortAscending in interface Column<LocalTime>
  - sortDescending
```
public void sortDescending()
```
    Sorts my values in descending order
    
    Specified by:
    
    sortDescending in interface Column<LocalTime>
  - max
```
public LocalTime max()
```
  - min
```
public LocalTime min()
```
    Specified by:
    
    min in interface TimeMapFunctions
  - summary
```
public Table summary()
```
    Returns a table containing a ColumnType specific summary of the data in this column
    
    Specified by:
    
    summary in interface Column<LocalTime>
  - countMissing
```
public int countMissing()
```
    Returns the count of missing values in this column
    
    Specified by:
    
    countMissing in interface Column<LocalTime>
    
    Returns:
    
    missing values as int
  - countUnique
```
public int countUnique()
```
    Returns the count of unique values in this column.
    
    Specified by:
    
    countUnique in interface Column<LocalTime>
    
    Returns:
    
    unique values as int
  - unique
```
public TimeColumn unique()
```
    Returns a column of the same type containing only the unique values
    
    Specified by:
    
    unique in interface Column<LocalTime>
    
    Returns:
    
    a Column
  - isEmpty
```
public boolean isEmpty()
```
    Returns true if the column has no data
    
    Specified by:
    
    isEmpty in interface Column<LocalTime>
    
    Returns:
    
    true if empty, false if not
  - appendCell
```
public TimeColumn appendCell(String object)
```
    Add one element to the bottom of this column and set its value to the parsed value of the given String. Parsing is type-specific
    
    Specified by:
    
    appendCell in interface Column<LocalTime>
  - appendCell
```
public TimeColumn appendCell(String object,
                             AbstractColumnParser<?> parser)
```
    Add one element to the bottom of this column and set its value to the parsed value of the given String, as performed by the given parser
    
    Specified by:
    
    appendCell in interface Column<LocalTime>
  - getIntInternal
```
public int getIntInternal(int index)
```
    Returns the packed time representation of the value at index
    
    Specified by:
    
    getIntInternal in interface TimeFilters
    
    Specified by:
    
    getIntInternal in interface TimeMapFunctions
  - getPackedTime
```
protected int getPackedTime(int index)
```
  - get
```
public LocalTime get(int index)
```
    Returns the value at the given zero-based index
    
    Specified by:
    
    get in interface Column<LocalTime>
    
    Specified by:
    
    get in interface TimeFilters
    
    Specified by:
    
    get in interface TimeMapFunctions
  - rowComparator
```
public it.unimi.dsi.fastutil.ints.IntComparator rowComparator()
```
    Returns an IntComparator for sorting my rows
    
    Specified by:
    
    rowComparator in interface Column<LocalTime>
  - getDouble
```
public double getDouble(int i)
```
  - asDoubleArray
```
public double[] asDoubleArray()
```
  - asDoubleColumn
```
public DoubleColumn asDoubleColumn()
```
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class AbstractColumn<TimeColumn,LocalTime>
  - append
```
public TimeColumn append(Column<LocalTime> column)
```
    Appends all the values in the argument to the bottom of this column and return this column
    
    Specified by:
    
    append in interface Column<LocalTime>
  - append
```
public TimeColumn append(Column<LocalTime> column,
                         int row)
```
    Appends the value at the given row in the given column to the bottom of this column and return this column
    
    Specified by:
    
    append in interface Column<LocalTime>
  - set
```
public TimeColumn set(int row,
                      Column<LocalTime> column,
                      int sourceRow)
```
    Sets the value at row to the value at sourceRow in the given column and return this column
    
    Specified by:
    
    set in interface Column<LocalTime>
  - top
```
public List<LocalTime> top(int n)
```
    Returns the largest ("top") n values in the column. Does not change the order in this column
    
    Parameters:
    
    n - The maximum number of records to return. The actual number will be smaller if n is greater than the number of observations in the column
    
    Returns:
    
    A list, possibly empty, of the largest observations
  - bottom
```
public List<LocalTime> bottom(int n)
```
    Returns the smallest ("bottom") n values in the column, Does not change the order in this column
    
    Parameters:
    
    n - The maximum number of records to return. The actual number will be smaller if n is greater than the number of observations in the column
    
    Returns:
    
    A list, possibly empty, of the smallest n observations
  - set
```
public TimeColumn set(int index,
                      int value)
```
  - set
```
public TimeColumn set(int index,
                      LocalTime value)
```
    Sets the value at index row to the given value and return this column
    
    Specified by:
    
    set in interface Column<LocalTime>
  - set
```
public TimeColumn set(Selection rowSelection,
                      LocalTime newValue)
```
    Conditionally update this column, replacing current values with newValue for all rows where the current value matches the selection criteria
    Example: myColumn.set(myColumn.valueIsMissing(), LocalTime.now()); // no more missing values
    
    Specified by:
    
    set in interface Column<LocalTime>
    
    Overrides:
    
    set in class AbstractColumn<TimeColumn,LocalTime>
  - intIterator
```
public it.unimi.dsi.fastutil.ints.IntIterator intIterator()
```
  - contains
```
public boolean contains(LocalTime time)
```
    Returns true if the given object appears in this column, and false otherwise
    TODO override in column subtypes for performance
    
    Specified by:
    
    contains in interface Column<LocalTime>
  - asSet
```
public Set<LocalTime> asSet()
```
    Description copied from interface: Column
    
    Returns a Set containing all the unique values in this column
    
    Specified by:
    
    asSet in interface Column<LocalTime>
  - setMissing
```
public TimeColumn setMissing(int i)
```
    Sets the value at index i to the missing-value indicator for this column type, and return this column
    
    Specified by:
    
    setMissing in interface Column<LocalTime>
  - isMissing
```
public Selection isMissing()
```
    Returns a selection containing an index for every missing value in this column
    
    Specified by:
    
    isMissing in interface Column<LocalTime>
  - isNotMissing
```
public Selection isNotMissing()
```
    Returns a selection containing an index for every non-missing value in this column
    
    Specified by:
    
    isNotMissing in interface Column<LocalTime>
  - byteSize
```
public int byteSize()
```
    Returns the width of a cell in this column, in bytes.
    
    Specified by:
    
    byteSize in interface Column<LocalTime>
    
    Returns:
    
    width in bytes
  - asBytes
```
public byte[] asBytes(int rowNumber)
```
    Returns the contents of the cell at rowNumber as a byte[]
    
    Specified by:
    
    asBytes in interface Column<LocalTime>
    
    Parameters:
    
    rowNumber - index of the row
    
    Returns:
    
    content as byte[]
  - iterator
```
public Iterator<LocalTime> iterator()
```
    Returns an iterator over elements of type T.
    
    Specified by:
    
    iterator in interface Iterable<LocalTime>
    
    Returns:
    
    an Iterator.
  - where
```
public TimeColumn where(Selection selection)
```
    Returns a new column containing the subset referenced by the Selection
    
    Specified by:
    
    where in interface Column<LocalTime>
    
    Specified by:
    
    where in interface TimeFilters
  - asObjectArray
```
public LocalTime[] asObjectArray()
```
    Description copied from interface: Column
    
    Returns an array of objects as appropriate for my type of column
    
    Specified by:
    
    asObjectArray in interface Column<LocalTime>
  - fillWith
```
public TimeColumn fillWith(Iterator<LocalTime> iterator)
```
    Specified by:
    
    fillWith in interface TimeFillers<TimeColumn>
  - fillWith
```
public TimeColumn fillWith(Iterable<LocalTime> iterable)
```
    Specified by:
    
    fillWith in interface TimeFillers<TimeColumn>
  - fillWith
```
public TimeColumn fillWith(Supplier<LocalTime> supplier)
```
    Specified by:
    
    fillWith in interface TimeFillers<TimeColumn>
  - compare
```
public int compare(LocalTime o1,
                   LocalTime o2)
```
    Specified by:
    
    compare in interface Comparator<LocalTime>

Class TimeColumn

Field Summary

Fields inherited from class tech.tablesaw.columns.AbstractColumn

Method Summary

Methods inherited from class tech.tablesaw.columns.AbstractColumn

Methods inherited from interface tech.tablesaw.api.CategoricalColumn

Methods inherited from interface tech.tablesaw.columns.Column

Methods inherited from interface java.util.Comparator

Methods inherited from interface java.lang.Iterable

Methods inherited from class java.lang.Object

Methods inherited from interface tech.tablesaw.columns.times.TimeFilters

Methods inherited from interface tech.tablesaw.columns.times.TimeMapFunctions

Field Detail

data

Method Detail

valueHash

equals

createInternal

valueIsMissing

create

create

create

create

create

create

appendMissing

subset

lag

isMissing

size

appendInternal

append

appendObj

removeMissing

getString

getUnformattedString

setPrintFormatter

setPrintFormatter

emptyCopy

emptyCopy

copy

clear

asList

sortAscending

sortDescending

max

min

summary

countMissing

countUnique

unique

isEmpty

appendCell

appendCell

getIntInternal

getPackedTime

get

rowComparator

getDouble

asDoubleArray

asDoubleColumn

toString

append

append

set

top

bottom

set

set

set

intIterator

contains

asSet

setMissing

isMissing

isNotMissing

byteSize

asBytes

iterator

where