code: /*
   Copyright 1995-2015 Esri
  
     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.
  
   For additional information, contact:
   Environmental Systems Research Institute, Inc.
   Attn: Contracts Dept
   380 New York Street
   Redlands, California, USA 92373
  
   email: contracts@esri.com
   */
  package com.esri.core.geometry;
  
  class GeometryAccelerators {
  
  	private RasterizedGeometry2D m_rasterizedGeometry;
  	private QuadTreeImpl m_quad_tree;
      private QuadTreeImpl m_quad_tree_for_paths;
  
  	public RasterizedGeometry2D getRasterizedGeometry() {
  		return m_rasterizedGeometry;
  	}
  
  	public QuadTreeImpl getQuadTree() {
  		return m_quad_tree;
  	}
  
  	public QuadTreeImpl getQuadTreeForPaths() {
  		return m_quad_tree_for_paths;
  	}
  
  	void _setRasterizedGeometry(RasterizedGeometry2D rg) {
  		m_rasterizedGeometry = rg;
  	}
  
  	void _setQuadTree(QuadTreeImpl quad_tree) {
  		m_quad_tree = quad_tree;
  	}
  
  	void _setQuadTreeForPaths(QuadTreeImpl quad_tree) { m_quad_tree_for_paths = quad_tree; }
  
  	static boolean canUseRasterizedGeometry(Geometry geom) {
  		if (geom.isEmpty()
  				|| !(geom.getType() == Geometry.Type.Polyline || geom.getType() == Geometry.Type.Polygon)) {
  			return false;
  		}
  
  		return true;
  	}
  
  	static boolean canUseQuadTree(Geometry geom) {
  		if (geom.isEmpty()
  				|| !(geom.getType() == Geometry.Type.Polyline || geom.getType() == Geometry.Type.Polygon)) {
  			return false;
  		}
  
  		if (((MultiVertexGeometry) geom).getPointCount() < 20) {
  			return false;
  		}
  
  		return true;
  	}
  
      static boolean canUseQuadTreeForPaths(Geometry geom) {
          if (geom.isEmpty() || !(geom.getType() == Geometry.Type.Polyline || geom.getType() == Geometry.Type.Polygon))
              return false;
  
          if (((MultiVertexGeometry) geom).getPointCount() < 20)
              return false;
  
          return true;
      }
  
  	public long estimateMemorySize()
  	{
  		return (m_rasterizedGeometry != null ? m_rasterizedGeometry.estimateMemorySize() : 0) +
  			(m_quad_tree != null ? m_quad_tree.estimateMemorySize() : 0) +
  			(m_quad_tree_for_paths != null ? m_quad_tree_for_paths.estimateMemorySize() : 0);
  	}
  }
  