@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
TaskCharSet other = (TaskCharSet) obj;
if (taskChars == null) {
if (other.taskChars != null) return false;
} else {
return this.toJoinedStringOfIdentifiers().equals(other.toJoinedStringOfIdentifiers());
}
return true;
}
public boolean isPrefixOf(TaskCharSet other) {
return StringUtils.startsWith(
other.getJoinedStringOfIdentifiers(), this.getJoinedStringOfIdentifiers());
}