// Copyright 2012 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.collide.shared.document.anchor;
import com.google.collide.shared.util.SortedList;
/**
* List for line anchors with specific optimizations for line anchors.
*/
public class LineAnchorList extends SortedList<Anchor> {
private static class Comparator implements SortedList.Comparator<Anchor> {
@Override
public int compare(Anchor a, Anchor b) {
return a.getLineNumber() - b.getLineNumber();
}
}
private static class OneWayComparator implements SortedList.OneWayComparator<Anchor> {
private int lineNumber;
@Override
public int compareTo(Anchor o) {
return lineNumber - o.getLineNumber();
}
}
private static final Comparator COMPARATOR = new Comparator();
private final OneWayComparator oneWayComparator = new OneWayComparator();
public LineAnchorList() {
super(COMPARATOR);
}
public int findInsertionIndex(int lineNumber) {
oneWayComparator.lineNumber = lineNumber;
return findInsertionIndex(oneWayComparator);
}
}