EdgeLineList.java

package com.revolsys.geometry.graph;

import java.util.AbstractList;
import java.util.ArrayList;
import java.util.List;

import com.revolsys.geometry.model.LineString;

public class EdgeLineList extends AbstractList<LineString> {

  private final List<Integer> edgeIds;

  private final Graph<?> graph;

  public EdgeLineList(final Graph<?> graph) {
    this(graph, new ArrayList<Integer>());
  }

  public EdgeLineList(final Graph<?> graph, final List<Integer> edgeIds) {
    this.graph = graph;
    this.edgeIds = edgeIds;
  }

  @Override
  public LineString get(final int index) {
    final Integer edgeId = this.edgeIds.get(index);
    return this.graph.getEdgeLine(edgeId);
  }

  @Override
  public int size() {
    return this.edgeIds.size();
  }

}