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The Esri Geometry API for Java enables developers to write custom applications for analysis of spatial data.

There is a newer version: 2.2.4

/*
 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: [email protected]
 */

package com.esri.core.geometry;

import com.esri.core.geometry.Operator.Type;

/**
 * A base class for the ExportToESRIShape Operator.
 */
abstract class OperatorGeodeticArea extends Operator {

	@Override
	public Type getType() {
		return Type.GeodeticArea;
	}

	/**
	 * Calculates the geodetic area of each geometry in the geometry cursor.
	 * 
	 * @param geoms
	 *            The geometry cursor to be iterated over to perform the
	 *            Geodetic Area calculation.
	 * @param sr
	 *            The SpatialReference of the geometries.
	 * @param geodeticCurveType
	 *            Use the {@link GeodeticCurveType} interface to choose the
	 *            interpretation of a line connecting two points.
	 * @param progressTracker
	 * @return Returns an array of the geodetic areas of the geometries.
	 */
	public abstract double[] execute(GeometryCursor geoms, SpatialReference sr,
			int geodeticCurveType, ProgressTracker progressTracker);

	/**
	 * Calculates the geodetic area of the input Geometry.
	 * 
	 * @param geom
	 *            The input Geometry for the geodetic area calculation.
	 * @param sr
	 *            The SpatialReference of the Geometry.
	 * @param geodeticCurveType
	 *            Use the {@link GeodeticCurveType} interface to choose the
	 *            interpretation of a line connecting two points.
	 * @param progressTracker
	 * @return Returns the geodetic area of the Geometry.
	 */
	public abstract double execute(Geometry geom, SpatialReference sr,
			int geodeticCurveType, ProgressTracker progressTracker);

	public static OperatorGeodeticArea local() {
		return (OperatorGeodeticArea) OperatorFactoryLocal.getInstance()
				.getOperator(Type.GeodeticArea);
	}

}