eu.bandm.music.comp

Class Fields.Item

java.lang.Object

eu.bandm.music.comp.Fields.Item

Enclosing class:

Fields

protected class Fields.Item
extends Object

Each Item represents one construction step of a field.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	level The number of sounding pitch classes, minus one.
(package private) int	pos The pitch class which is added by this step.
(package private) @Opt Fields.Item	pre The preceding field, which is enhanced by this step.
(package private) SortedSet<Integer>	requiredIntervals The set of required intervals, that are those allowed intervals which do not yet appear.

Constructor Summary

Constructors

Constructor and Description
Item(Fields.Item pre, int interval) Constructor for a derivation step which enhances the field by adding a further pitch class on the top of an existing field.
Item(SortedSet<Integer> allInts) Constructor for the root item which represents the starting pitch class (symbolically =0), has no predecessor and requires all intervals.

Method Summary

Modifier and Type	Method and Description
(package private) boolean	isUsed(int i) Return whether the pitch class is already present somewhere in the field.

Methods inherited from class java.lang.Object

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

Field Detail

pre

@Opt
final @Opt Fields.Item pre

The preceding field, which is enhanced by this step.

pos

final int pos

The pitch class which is added by this step.

level

final int level

The number of sounding pitch classes, minus one.

requiredIntervals

final SortedSet<Integer> requiredIntervals

The set of required intervals, that are those allowed intervals which do not yet appear.

Constructor Detail

Item

Item(SortedSet<Integer> allInts)

Constructor for the root item which represents the starting pitch class (symbolically =0), has no predecessor and requires all intervals.

Item

Item(Fields.Item pre,
     int interval)

Constructor for a derivation step which enhances the field by adding a further pitch class on the top of an existing field.

Parameters:

pre - the predessor field.

interval - by which the top pitch of the "pre" field shall be topped.

Method Detail

isUsed

boolean isUsed(int i)

Return whether the pitch class is already present somewhere in the field.