Package me.lucko.luckperms.common.util

Class Difference<T>

java.lang.Object
me.lucko.luckperms.common.util.Difference<T>
Type Parameters:
T - the value type
public class Difference<T> extends Object
Records a log of the changes that occur as a result of mutations (add or remove operations).

  • Constructor Details

    • Difference

      public Difference()

  • Method Details

    • getChanges

      public Set<Difference.Change<T>> getChanges()
      Gets the recorded changes.
      Returns:
      the changes

    • isEmpty

      public boolean isEmpty()
      Gets if no changes have been recorded.
      Returns:
      if no changes have been recorded

    • getChanges

      public Set<T> getChanges(Difference.ChangeType type)
      Gets the recorded changes of a given type
      Parameters:
      type - the type of change
      Returns:
      the changes

    • getAdded

      public Set<T> getAdded()
      Gets the values that have been added.
      Returns:
      the added values

    • getRemoved

      public Set<T> getRemoved()
      Gets the values that have been removed.
      Returns:
      the removed values

    • clear

      public void clear()
      Clears all recorded changes.

    • recordChange

      public void recordChange(Difference.ChangeType type, T value)
      Records a change.
      Parameters:
      type - the type of change
      value - the changed value

    • recordChanges

      public void recordChanges(Difference.ChangeType type, Iterable<T> values)
      Records some changes.
      Parameters:
      type - the type of change
      values - the changed values

    • mergeFrom

      public Difference<T> mergeFrom(Difference<T> other)
      Merges the recorded differences in other into this.
      Parameters:
      other - the other differences
      Returns:
      this

    • toString

      public String toString()
      Overrides:
      toString in class Object