Package de.saar.coli.arranger

Class Chord

java.lang.Object

de.saar.coli.arranger.Chord

public class Chord
extends Object

A chord rooted in a specific note. Each chord is defined by its Chord.ChordType, such as "seventh" or "minor sixth", and its root note. The class offers methods for accessing the notes in the chord.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Chord.ChordType	A chord type, such as "major" or "minor sixth".

Constructor Summary

Constructors

Constructor	Description
Chord()

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
Key	getKey()	Returns the key to which this chord belongs.
Set<Integer>	getNotes()	Returns the notes of the chord, as relative notes in the sense of Note.
int	getRoot()	Returns the root note of the chord, as a relative note in the sense of Note.
Chord.ChordType	getType()	Returns the type of this chord.
int	hashCode()
boolean	isAllowedBassNote(Note note)	Checks if the given note is allowed in the bass part of this chord.
static Chord	lookup(String chordName)	Looks up a chord based on its name, such as "Cmj7".
static Chord	lookup(String root, Chord.ChordType type)	Looks up a chord based on its root note and its chord type.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Chord

public Chord()

Method Detail

lookup

public static Chord lookup(String root,
                           Chord.ChordType type)

Looks up a chord based on its root note and its chord type.

Parameters:

root -

type -

Returns:

lookup

public static Chord lookup(String chordName)

Looks up a chord based on its name, such as "Cmj7".

Parameters:

chordName -

Returns:

getNotes

public Set<Integer> getNotes()

Returns the notes of the chord, as relative notes in the sense of Note.

Returns:

isAllowedBassNote

public boolean isAllowedBassNote(Note note)

Checks if the given note is allowed in the bass part of this chord.

Parameters:

note -

Returns:

getKey

public Key getKey()

Returns the key to which this chord belongs. This is a combination of the chord's root and its mode, as per Chord.ChordType.getMode(). Thus, the Cmaj7 chord is mapped to the key of C major, and the Am6 chord is mapped to the key of A minor. These keys can be used to spell the accidentals in the chord correctly.

Returns:

getRoot

public int getRoot()

Returns the root note of the chord, as a relative note in the sense of Note.

Returns:

getType

public Chord.ChordType getType()

Returns the type of this chord.

Returns:

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object