public class ActionPluginMenuComparator extends Object implements Comparator<ActionPlugin>, Serializable
Constructor and Description |
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ActionPluginMenuComparator() |
Modifier and Type | Method and Description |
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int |
compare(ActionPlugin a1,
ActionPlugin a2)
Compares its two arguments for order.
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
equals
public int compare(ActionPlugin a1, ActionPlugin a2)
The implementor must ensure that sgn(compare(x, y)) == -sgn(compare(y, x)) for all x and y. (This implies that compare(x, y) must throw an exception if and only if compare(y, x) throws an exception.)
The implementor must also ensure that the relation is transitive: ((compare(x, y)>0) && (compare(y, z)>0)) implies compare(x, z)>0.
Finally, the implementer must ensure that compare(x, y)==0 implies that sgn(compare(x, z))==sgn(compare(y, z)) for all z.
It is generally the case, but not strictly required that (compare(x, y)==0) == (x.equals(y)). Generally speaking, any comparator that violates this condition should clearly indicate this fact. The recommended language is "Note: this comparator imposes orderings that are inconsistent with equals."
compare
in interface Comparator<ActionPlugin>
a1
- the first object to be compared.a2
- the second object to be compared.ClassCastException
- if the arguments' types prevent them from being compared by this Comparator.