DataFrameImpl (tech.bitey:dataframe 0.0.2 API)

java.lang.Object
- java.util.AbstractCollection<E>
- - java.util.AbstractList<Row>
  - - tech.bitey.dataframe.DataFrameImpl

All Implemented Interfaces:

Iterable<Row>, Collection<Row>, List<Row>, RandomAccess, DataFrame
```
public class DataFrameImpl
extends AbstractList<Row>
implements DataFrame
```

Field Summary
- Fields inherited from class java.util.AbstractList
  modCount
- Fields inherited from interface tech.bitey.dataframe.DataFrame
  BIG_ENDIAN_FLAG, KEY_COLUMN_FLAG, MAGIC_NUMBER, NULLABILITY_FLAG, SORTED_FLAG

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`DataFrame`	`append(DataFrame df)`
`DataFrame`	`append(DataFrame df, boolean coerce)`
`BooleanColumn`	`booleanColumn(int columnIndex)`
`BooleanColumn`	`booleanColumn(String columnName)`
`<T> Column<T>`	`column(int columnIndex)`
`<T> Column<T>`	`column(String columnName)`
`int`	`columnCount()`
`int`	`columnIndex(String columnName)`
`LinkedHashMap<String,Column<?>>`	`columnMap()`
`String`	`columnName(int columnIndex)`
`List<String>`	`columnNames()`
`List<Column<?>>`	`columns()`
`ColumnType`	`columnType(int columnIndex)`
`ColumnType`	`columnType(String columnName)`
`List<ColumnType>`	`columnTypes()`
`Cursor`	`cursor(int index)`
`DateColumn`	`dateColumn(int columnIndex)`
`DateColumn`	`dateColumn(String columnName)`
`DateTimeColumn`	`dateTimeColumn(int columnIndex)`
`DateTimeColumn`	`dateTimeColumn(String columnName)`
`<T> Column<T>`	`deriveColumn(ColumnType type, Function<Row,T> function)`
`BooleanColumn`	`deriveColumn(Predicate<Row> function)`
`DoubleColumn`	`deriveColumn(ToDoubleFunction<Row> function)`
`FloatColumn`	`deriveColumn(ToFloatFunction<Row> function)`
`IntColumn`	`deriveColumn(ToIntFunction<Row> function)`
`LongColumn`	`deriveColumn(ToLongFunction<Row> function)`
`DoubleColumn`	`doubleColumn(int columnIndex)`
`DoubleColumn`	`doubleColumn(String columnName)`
`DataFrame`	`dropColumns(Collection<String> columnNames)`
`DataFrame`	`dropColumns(int... columnIndices)`
`DataFrame`	`dropColumns(String... columnNames)`
`boolean`	`equals(DataFrame df, boolean dataOnly)`
`boolean`	`equals(Object o)`
`DataFrame`	`filter(Predicate<Row> criteria)`
`FloatColumn`	`floatColumn(int columnIndex)`
`FloatColumn`	`floatColumn(String columnName)`
`Row`	`get(int rowIndex)`
`<T> T`	`get(int rowIndex, int columnIndex)`
`<T> T`	`get(int rowIndex, String columnName)`
`boolean`	`getBoolean(int rowIndex, int columnIndex)`
`boolean`	`getBoolean(int rowIndex, String columnName)`
`LocalDate`	`getDate(int rowIndex, int columnIndex)`
`LocalDate`	`getDate(int rowIndex, String columnName)`
`LocalDateTime`	`getDateTime(int rowIndex, int columnIndex)`
`LocalDateTime`	`getDateTime(int rowIndex, String columnName)`
`double`	`getDouble(int rowIndex, int columnIndex)`
`double`	`getDouble(int rowIndex, String columnName)`
`float`	`getFloat(int rowIndex, int columnIndex)`
`float`	`getFloat(int rowIndex, String columnName)`
`int`	`getInt(int rowIndex, int columnIndex)`
`int`	`getInt(int rowIndex, String columnName)`
`long`	`getLong(int rowIndex, int columnIndex)`
`long`	`getLong(int rowIndex, String columnName)`
`String`	`getString(int rowIndex, int columnIndex)`
`String`	`getString(int rowIndex, String columnName)`
`boolean`	`hasKeyColumn()`
`DataFrame`	`head(int count)`
`DataFrame`	`headTo(Object to)`
`IntColumn`	`intColumn(int columnIndex)`
`IntColumn`	`intColumn(String columnName)`
`boolean`	`isNull(int rowIndex, int columnIndex)`
`boolean`	`isNull(int rowIndex, String columnName)`
`DataFrame`	`join(DataFrame df)`
`DataFrame`	`joinHash(DataFrame df, String[] leftColumnNames, String[] rightColumnNames)`
`DataFrame`	`joinSingleIndex(DataFrame df, boolean leftIndex, String nonIndexColumnName)`
`DataFrame`	`joinSingleIndex(DataFrame df, String columnName)`
`Integer`	`keyColumnIndex()`
`String`	`keyColumnName()`
`ColumnType`	`keyColumnType()`
`DataFrame`	`leftJoinSingleIndex(DataFrame df, String columnName)`
`LongColumn`	`longColumn(int columnIndex)`
`LongColumn`	`longColumn(String columnName)`
`DataFrame`	`sampleN(int size)`
`DataFrame`	`sampleX(double proportion)`
`DataFrame`	`selectColumns(int... columnIndices)`
`DataFrame`	`selectColumns(List<String> columnNames)`
`DataFrame`	`selectColumns(String... columnNames)`
`int`	`size()`
`StringColumn`	`stringColumn(int columnIndex)`
`StringColumn`	`stringColumn(String columnName)`
`DataFrame`	`subFrame(int fromIndex, int toIndex)`
`DataFrame`	`subFrameByValue(Object from, Object to)`
`DataFrame`	`tail(int count)`
`DataFrame`	`tailFrom(Object from)`
`<K,V> Map<K,V>`	`toMap(int columnIndex)`
`<K,V> Map<K,V>`	`toMap(String columnName)`
`String`	`toString()`
`DataFrame`	`withColumn(String columnName, Column<?> column)`
`DataFrame`	`withColumns(DataFrame df)`
`DataFrame`	`withColumns(LinkedHashMap<String,Column<?>> columns)`
`DataFrame`	`withColumns(String[] columnNames, Column<?>[] columns)`
`DataFrame`	`withKeyColumn(int columnIndex)`
`DataFrame`	`withKeyColumn(String columnName)`
`void`	`writeTo(File file)`
`int`	`yyyymmdd(int rowIndex, int columnIndex)`
`int`	`yyyymmdd(int rowIndex, String columnName)`

Methods inherited from class java.util.AbstractList
add, add, addAll, clear, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection
addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray

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

Methods inherited from interface tech.bitey.dataframe.DataFrame
cursor, empty, getOrDefaultDouble, getOrDefaultDouble, getOrDefaultFloat, getOrDefaultFloat, getOrDefaultInt, getOrDefaultInt, getOrDefaultLong, getOrDefaultLong, head, spliterator, tail

Methods inherited from interface java.util.List
add, add, addAll, addAll, clear, contains, containsAll, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, replaceAll, retainAll, set, sort, subList, toArray, toArray

Methods inherited from interface java.util.Collection
parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable
forEach

Method Detail

toString
```
public String toString()
```
Overrides:

toString in class AbstractCollection<Row>

size
```
public int size()
```
Specified by:

size in interface Collection<Row>

Specified by:

size in interface List<Row>

Specified by:

size in class AbstractCollection<Row>

get
```
public Row get(int rowIndex)
```
Specified by:

get in interface List<Row>

Specified by:

get in class AbstractList<Row>

equals

public boolean equals(DataFrame df,
                      boolean dataOnly)

Specified by:: equals in interface DataFrame

equals
```
public boolean equals(Object o)
```
Specified by:

equals in interface Collection<Row>

Specified by:

equals in interface List<Row>

Overrides:

equals in class AbstractList<Row>

cursor
```
public Cursor cursor(int index)
```
Specified by:

cursor in interface DataFrame

toMap

public <K,V> Map<K,V> toMap(int columnIndex)

Specified by:: toMap in interface DataFrame

toMap

public <K,V> Map<K,V> toMap(String columnName)

Specified by:: toMap in interface DataFrame

hasKeyColumn
```
public boolean hasKeyColumn()
```
Specified by:

hasKeyColumn in interface DataFrame

keyColumnIndex
```
public Integer keyColumnIndex()
```
Specified by:

keyColumnIndex in interface DataFrame

keyColumnName
```
public String keyColumnName()
```
Specified by:

keyColumnName in interface DataFrame

keyColumnType
```
public ColumnType keyColumnType()
```
Specified by:

keyColumnType in interface DataFrame

withKeyColumn
```
public DataFrame withKeyColumn(int columnIndex)
```
Specified by:

withKeyColumn in interface DataFrame

withKeyColumn
```
public DataFrame withKeyColumn(String columnName)
```
Specified by:

withKeyColumn in interface DataFrame

columnCount
```
public int columnCount()
```
Specified by:

columnCount in interface DataFrame

columnIndex
```
public int columnIndex(String columnName)
```
Specified by:

columnIndex in interface DataFrame

columnName
```
public String columnName(int columnIndex)
```
Specified by:

columnName in interface DataFrame

columnType
```
public ColumnType columnType(int columnIndex)
```
Specified by:

columnType in interface DataFrame

columnType

public ColumnType columnType(String columnName)

Specified by:: columnType in interface DataFrame

columnMap

public LinkedHashMap<String,Column<?>> columnMap()

Specified by:: columnMap in interface DataFrame

columns
```
public List<Column<?>> columns()
```
Specified by:

columns in interface DataFrame

columnNames
```
public List<String> columnNames()
```
Specified by:

columnNames in interface DataFrame

columnTypes
```
public List<ColumnType> columnTypes()
```
Specified by:

columnTypes in interface DataFrame

withColumn

public DataFrame withColumn(String columnName,
                            Column<?> column)

Specified by:: withColumn in interface DataFrame

withColumns

public DataFrame withColumns(String[] columnNames,
                             Column<?>[] columns)

Specified by:: withColumns in interface DataFrame

withColumns

public DataFrame withColumns(LinkedHashMap<String,Column<?>> columns)

Specified by:: withColumns in interface DataFrame

withColumns
```
public DataFrame withColumns(DataFrame df)
```
Specified by:

withColumns in interface DataFrame

selectColumns

public DataFrame selectColumns(List<String> columnNames)

Specified by:: selectColumns in interface DataFrame

selectColumns

public DataFrame selectColumns(String... columnNames)

Specified by:: selectColumns in interface DataFrame

selectColumns
```
public DataFrame selectColumns(int... columnIndices)
```
Specified by:

selectColumns in interface DataFrame

dropColumns

public DataFrame dropColumns(Collection<String> columnNames)

Specified by:: dropColumns in interface DataFrame

dropColumns

public DataFrame dropColumns(String... columnNames)

Specified by:: dropColumns in interface DataFrame

dropColumns

public DataFrame dropColumns(int... columnIndices)

Specified by:: dropColumns in interface DataFrame

column

public <T> Column<T> column(int columnIndex)

Specified by:: column in interface DataFrame

stringColumn
```
public StringColumn stringColumn(int columnIndex)
```
Specified by:

stringColumn in interface DataFrame

booleanColumn
```
public BooleanColumn booleanColumn(int columnIndex)
```
Specified by:

booleanColumn in interface DataFrame

intColumn
```
public IntColumn intColumn(int columnIndex)
```
Specified by:

intColumn in interface DataFrame

longColumn
```
public LongColumn longColumn(int columnIndex)
```
Specified by:

longColumn in interface DataFrame

doubleColumn
```
public DoubleColumn doubleColumn(int columnIndex)
```
Specified by:

doubleColumn in interface DataFrame

floatColumn
```
public FloatColumn floatColumn(int columnIndex)
```
Specified by:

floatColumn in interface DataFrame

dateColumn
```
public DateColumn dateColumn(int columnIndex)
```
Specified by:

dateColumn in interface DataFrame

dateTimeColumn
```
public DateTimeColumn dateTimeColumn(int columnIndex)
```
Specified by:

dateTimeColumn in interface DataFrame

column

public <T> Column<T> column(String columnName)

Specified by:: column in interface DataFrame

stringColumn

public StringColumn stringColumn(String columnName)

Specified by:: stringColumn in interface DataFrame

booleanColumn

public BooleanColumn booleanColumn(String columnName)

Specified by:: booleanColumn in interface DataFrame

intColumn

public IntColumn intColumn(String columnName)

Specified by:: intColumn in interface DataFrame

longColumn

public LongColumn longColumn(String columnName)

Specified by:: longColumn in interface DataFrame

doubleColumn

public DoubleColumn doubleColumn(String columnName)

Specified by:: doubleColumn in interface DataFrame

floatColumn

public FloatColumn floatColumn(String columnName)

Specified by:: floatColumn in interface DataFrame

dateColumn

public DateColumn dateColumn(String columnName)

Specified by:: dateColumn in interface DataFrame

dateTimeColumn

public DateTimeColumn dateTimeColumn(String columnName)

Specified by:: dateTimeColumn in interface DataFrame

deriveColumn

public <T> Column<T> deriveColumn(ColumnType type,
                                  Function<Row,T> function)

Specified by:: deriveColumn in interface DataFrame

deriveColumn

public IntColumn deriveColumn(ToIntFunction<Row> function)

Specified by:: deriveColumn in interface DataFrame

deriveColumn

public LongColumn deriveColumn(ToLongFunction<Row> function)

Specified by:: deriveColumn in interface DataFrame

deriveColumn

public DoubleColumn deriveColumn(ToDoubleFunction<Row> function)

Specified by:: deriveColumn in interface DataFrame

deriveColumn

public FloatColumn deriveColumn(ToFloatFunction<Row> function)

Specified by:: deriveColumn in interface DataFrame

deriveColumn

public BooleanColumn deriveColumn(Predicate<Row> function)

Specified by:: deriveColumn in interface DataFrame

sampleN
```
public DataFrame sampleN(int size)
```
Specified by:

sampleN in interface DataFrame

sampleX

public DataFrame sampleX(double proportion)

Specified by:: sampleX in interface DataFrame

head
```
public DataFrame head(int count)
```
Specified by:

head in interface DataFrame

tail
```
public DataFrame tail(int count)
```
Specified by:

tail in interface DataFrame

subFrame

public DataFrame subFrame(int fromIndex,
                          int toIndex)

Specified by:: subFrame in interface DataFrame

headTo
```
public DataFrame headTo(Object to)
```
Specified by:

headTo in interface DataFrame

tailFrom
```
public DataFrame tailFrom(Object from)
```
Specified by:

tailFrom in interface DataFrame

subFrameByValue

public DataFrame subFrameByValue(Object from,
                                 Object to)

Specified by:: subFrameByValue in interface DataFrame

filter

public DataFrame filter(Predicate<Row> criteria)

Specified by:: filter in interface DataFrame

append

public DataFrame append(DataFrame df)

Specified by:: append in interface DataFrame

append

public DataFrame append(DataFrame df,
                        boolean coerce)

Specified by:: append in interface DataFrame

join
```
public DataFrame join(DataFrame df)
```
Specified by:

join in interface DataFrame

joinSingleIndex

public DataFrame joinSingleIndex(DataFrame df,
                                 String columnName)

Specified by:: joinSingleIndex in interface DataFrame

joinSingleIndex

public DataFrame joinSingleIndex(DataFrame df,
                                 boolean leftIndex,
                                 String nonIndexColumnName)

Specified by:: joinSingleIndex in interface DataFrame

leftJoinSingleIndex

public DataFrame leftJoinSingleIndex(DataFrame df,
                                     String columnName)

Specified by:: leftJoinSingleIndex in interface DataFrame

joinHash

public DataFrame joinHash(DataFrame df,
                          String[] leftColumnNames,
                          String[] rightColumnNames)

Specified by:: joinHash in interface DataFrame

writeTo
```
public void writeTo(File file)
```
Specified by:

writeTo in interface DataFrame

isNull

public boolean isNull(int rowIndex,
                      int columnIndex)

Specified by:: isNull in interface DataFrame

isNull

public boolean isNull(int rowIndex,
                      String columnName)

Specified by:: isNull in interface DataFrame

get

public <T> T get(int rowIndex,
                 int columnIndex)

Specified by:: get in interface DataFrame

get

public <T> T get(int rowIndex,
                 String columnName)

Specified by:: get in interface DataFrame

getString

public String getString(int rowIndex,
                        int columnIndex)

Specified by:: getString in interface DataFrame

getString

public String getString(int rowIndex,
                        String columnName)

Specified by:: getString in interface DataFrame

getBoolean

public boolean getBoolean(int rowIndex,
                          int columnIndex)

Specified by:: getBoolean in interface DataFrame

getBoolean

public boolean getBoolean(int rowIndex,
                          String columnName)

Specified by:: getBoolean in interface DataFrame

getInt

public int getInt(int rowIndex,
                  int columnIndex)

Specified by:: getInt in interface DataFrame

getInt

public int getInt(int rowIndex,
                  String columnName)

Specified by:: getInt in interface DataFrame

getLong

public long getLong(int rowIndex,
                    int columnIndex)

Specified by:: getLong in interface DataFrame

getLong

public long getLong(int rowIndex,
                    String columnName)

Specified by:: getLong in interface DataFrame

getDouble

public double getDouble(int rowIndex,
                        int columnIndex)

Specified by:: getDouble in interface DataFrame

getDouble

public double getDouble(int rowIndex,
                        String columnName)

Specified by:: getDouble in interface DataFrame

getFloat

public float getFloat(int rowIndex,
                      int columnIndex)

Specified by:: getFloat in interface DataFrame

getFloat

public float getFloat(int rowIndex,
                      String columnName)

Specified by:: getFloat in interface DataFrame

getDate

public LocalDate getDate(int rowIndex,
                         int columnIndex)

Specified by:: getDate in interface DataFrame

getDate

public LocalDate getDate(int rowIndex,
                         String columnName)

Specified by:: getDate in interface DataFrame

yyyymmdd

public int yyyymmdd(int rowIndex,
                    int columnIndex)

Specified by:: yyyymmdd in interface DataFrame

yyyymmdd

public int yyyymmdd(int rowIndex,
                    String columnName)

Specified by:: yyyymmdd in interface DataFrame

getDateTime

public LocalDateTime getDateTime(int rowIndex,
                                 int columnIndex)

Specified by:: getDateTime in interface DataFrame

getDateTime

public LocalDateTime getDateTime(int rowIndex,
                                 String columnName)

Specified by:: getDateTime in interface DataFrame

Class DataFrameImpl

Field Summary

Fields inherited from class java.util.AbstractList

Fields inherited from interface tech.bitey.dataframe.DataFrame

Method Summary

Methods inherited from class java.util.AbstractList

Methods inherited from class java.util.AbstractCollection

Methods inherited from class java.lang.Object

Methods inherited from interface tech.bitey.dataframe.DataFrame

Methods inherited from interface java.util.List

Methods inherited from interface java.util.Collection

Methods inherited from interface java.lang.Iterable

Method Detail

toString

size

get

equals

equals

cursor

toMap

toMap

hasKeyColumn

keyColumnIndex

keyColumnName

keyColumnType

withKeyColumn

withKeyColumn

columnCount

columnIndex

columnName

columnType

columnType

columnMap

columns

columnNames

columnTypes

withColumn

withColumns

withColumns

withColumns

selectColumns

selectColumns

selectColumns

dropColumns

dropColumns

dropColumns

column

stringColumn

booleanColumn

intColumn

longColumn

doubleColumn

floatColumn

dateColumn

dateTimeColumn

column

stringColumn

booleanColumn

intColumn

longColumn

doubleColumn

floatColumn

dateColumn

dateTimeColumn

deriveColumn

deriveColumn

deriveColumn

deriveColumn

deriveColumn

deriveColumn

sampleN

sampleX

head

tail

subFrame

headTo

tailFrom

subFrameByValue

filter

append