FrameBoundary class final

Base Class for Boundary in a window frame.

If null, the boundary is unbounded.

Negative value indicates a preceding boundary

Positive value indicates a following boundary

Zero indicates the current row

More information at FrameBoundary documentation.

Inheritance

• Object
• Component
• FrameBoundary

Constructors

FrameBoundary.groups({int? start, int? end = 0, FrameExclude? exclude})

Constructs a GROUPS frame with the given start and end boundaries.

const

FrameBoundary.range({num? start, num? end = 0, FrameExclude? exclude})

Constructs a RANGE boundary with the given start and end.

const

FrameBoundary.rows({int? start, int? end = 0, FrameExclude? exclude})

Constructs a ROWS frame with the given start and end boundaries.

const

Properties

end → num?

The end of the frame boundary, relative to the current row.

final

exclude → FrameExclude?

Specifies which rows to exclude from the frame

final

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

start → num?

The start of the frame boundary, relative to the current row.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

writeInto(GenerationContext context) → void

Writes this component into the context by writing to its GenerationContext.buffer or by introducing bound variables. When writing into the buffer, no whitespace around the this component should be introduced. When a component consists of multiple composed component, it's responsible for introducing whitespace between its child components.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited