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Class structure.ComparableAssociation

java.lang.Object
   |
   +----structure.Association
           |
           +----structure.ComparableAssociation

public class ComparableAssociation

extends Association

implements Comparable

ComparableAssociation(Comparable)

Construct an association that can be ordered, from only a key.

ComparableAssociation(Comparable, Object)

Construct a key-value association that can be ordered.

lessThan(Comparable)

Determine the order of two comparable associations, based on key.

toString()

Construct a string representation of the ComparableAssociation.

 public ComparableAssociation(Comparable key)

Construct an association that can be ordered, from only a key. The value is set to null.

Precondition:

key is non-null

Postcondition:

constructs comparable association with null value

Parameters:

key - The (comparable) key.

 public ComparableAssociation(Comparable key,
                              Object value)

Construct a key-value association that can be ordered.

Precondition:

key is non-null

Postcondition:

constructs association comparable key and a value

Parameters:

key - The (comparable) key.

value - The (possibly comparable) associated value.

 public boolean lessThan(Comparable other)

Determine the order of two comparable associations, based on key.

Precondition:

other is non-null ComparableAssociation

Postcondition:

returns true iff this key is less than other key

Parameters:

other - The other comparable association.

Returns:

True if this association is less than other.

 public String toString()

Construct a string representation of the ComparableAssociation.

Postcondition:

returns string representation

Returns:

The string representing the ComparableAssociation.

Overrides:

toString in class Association

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