Package app.babylon.table.column

Interface ColumnObject.Builder<T>

Type Parameters:

T - the value type produced by the builder

All Superinterfaces:

Column.Builder

All Known Subinterfaces:

ColumnCategorical.Builder<T>

Enclosing interface:

ColumnObject<T>

public static interface ColumnObject.Builder<T>
extends Column.Builder

Builder for nullable object columns.

Method Summary

Modifier and Type	Method	Description
default ColumnObject.Builder<T>	add(CharSequence chars, int offset, int length)	Appends a value directly from a character slice.
ColumnObject.Builder<T>	add(T x)	Appends a value to the column.
default ColumnObject.Builder<T>	addNull()	Appends an unset row.
ColumnObject<T>	build()	Materialises the current builder contents as an immutable column.
ColumnName	getName()	Returns the name that will be assigned to the built column.
Column.Type	getType()
int	size()	Returns the number of rows currently accumulated by the builder.

Method Details

getName

ColumnName getName()

Description copied from interface: Column.Builder

Returns the name that will be assigned to the built column.

Specified by:

getName in interface Column.Builder

Returns:

the target column name

getType

Column.Type getType()

add

ColumnObject.Builder<T> add(T x)

Appends a value to the column.

Parameters:

x - the value to append, which may be null

Returns:

this builder

add

default ColumnObject.Builder<T> add(CharSequence chars,
 int offset,
 int length)

Description copied from interface: Column.Builder

Appends a value directly from a character slice.

Specified by:

add in interface Column.Builder

Parameters:

chars - the source text

offset - the start offset

length - the slice length

Returns:

this builder

build

ColumnObject<T> build()

Description copied from interface: Column.Builder

Materialises the current builder contents as an immutable column.

Specified by:

build in interface Column.Builder

Returns:

the built column

addNull

default ColumnObject.Builder<T> addNull()

Appends an unset row.

Returns:

this builder

size

int size()

Returns the number of rows currently accumulated by the builder.

Returns:

the builder size