Ouch. This is because "direction" is used in equality and it isn't
needed, because "matrix" is used as well.
Tilman
Am 27.11.2019 um 17:47 schrieb Esteban R:
This is a simplification of a real life problem: when I compare two
TextPositions, equality changes after calling getDir() in one of the
TextPositions.
Code to reproduce:
Matrix m1 = new Matrix(1, 1, 1, 1, 1, 1);
Matrix m2 = new Matrix(1, 1, 1, 1, 1, 1);
TextPosition t1 = new TextPosition(0, 1000, 1000, m2, 10, 10, 100, 10, 10,
"a", null, null, 10, 10);
TextPosition t2 = new TextPosition(0, 1000, 1000, m2, 10, 10, 100, 10, 10,
"a", null, null, 10, 10);
System.out.println("Before getDir, equals: "+t1.equals(t2)); //true
t1.getDir(); //changes direction field!!!
System.out.println("After getDir, equals: "+t1.equals(t2)); //false!!
Esteban
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