geometrytransformationresult.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.projection;

import com.esri.adf.web.data.geometry.WebGeometry;

/**
 * Immutable ontainer indicating what transpired when a transformation operation
 * was performed on ADF geometry instances. Wraps possibly-different underlying
 * API calls into a uniform result-of-a-call concept. Used to help callers
 * manage business logic in reaction to the plethora of possible projection-API
 * behaviors.
 * 
 * @author D. Freda
 * 
 */
public class GeometryTransformationResult {
	/**
	 * So that the caller might know if multiple xforms were involved
	 */
	private boolean dubiousDueToMultipleTransformations;

	/**
	 * So that the caller might know if no xforms were involved (i.e. they were
	 * needed but lacked)
	 */
	private boolean lackingTransformations;

	/**
	 * The actual outputted geometry
	 */
	private WebGeometry transformedGeometry;

	/**
	 * Sole CTOR
	 * 
	 * @param transformedGeometry
	 *            irrespective of its correctness ro not, the resulting ADF
	 *            geometry instance from some caller-managed transformation
	 *            process. May or may not possess the correct spatial
	 *            reference...but it will contain something, perhaps null
	 * @param hasMultipleTransformations
	 *            managed by the caller to discern whether or not the
	 *            caller-managed transformation process detected the presence of
	 *            multiple geo-to-geo transformations.
	 * @param hasNoTransformations
	 *            managed by the caller to indicate the total lack of detectable
	 *            transformations
	 */
	protected GeometryTransformationResult(
			final WebGeometry transformedGeometry,
			final boolean hasMultipleTransformations,
			final boolean hasNoTransformations) {
		this.transformedGeometry = transformedGeometry;
		this.dubiousDueToMultipleTransformations = hasMultipleTransformations;
		this.lackingTransformations = hasNoTransformations;
	}

	public WebGeometry getTransformedGeometry() {
		return transformedGeometry;
	}

	public boolean isDubiousDueToMultipleTransformations() {
		return dubiousDueToMultipleTransformations;
	}

	public boolean isLackingTransformations() {
		return lackingTransformations;
	}
}