Revision 29798 branches/v2_0_0_prep/libraries/libFMap_geometries/src/org/gvsig/fmap/geom/GeometryManager.java
| GeometryManager.java | ||
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*/ |
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package org.gvsig.fmap.geom; |
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import java.util.List; |
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import org.gvsig.fmap.geom.aggregate.MultiCurve; |
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import org.gvsig.fmap.geom.aggregate.MultiSurface; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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* Returns an unique index that is used later to identify and invoke the operation. |
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* </p> |
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* <p> |
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* By convention, the return value should be stored in a public constant within the class implementing |
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* the operation:<BR> |
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* By convention this index should be in a final and static variable in the |
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* class that implements the operation. The value of this variable must be set |
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* using the method {@link GeometryManager#getGeometryOperationCode(String)}:<BR>
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* <pre> |
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* public class MyOperation extends GeometryOperation {
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* public static final int CODE = |
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* GeometryLocator.getGeometryManager() |
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* .registerGeometryOperation("MyOperation", new MyOperation(), geomType);
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* .getGeometryOperationCode("MyOperation");
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* } |
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* </pre> |
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* </p> |
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* Returns an unique index that is used later to identify and invoke the operation. |
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* </p> |
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* <p> |
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* By convention, the return value should be stored in a public constant within the class implementing |
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* the operation:<BR> |
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* By convention this index should be in a final and static variable in the |
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* class that implements the operation. The value of this variable must be set |
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* using the method {@link GeometryManager#getGeometryOperationCode(String)}:<BR>
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* <pre> |
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* public class MyOperation extends GeometryOperation {
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* public static final int CODE = |
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* GeometryLocator.getGeometryManager() |
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* .registerGeometryOperation("MyOperation", new MyOperation());
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* .getGeometryOperationCode("MyOperation");
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* } |
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* </pre> |
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* </p> |
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* Returns an unique index that is used later to identify and invoke the operation. |
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* </p> |
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* <p> |
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* By convention, the return value should be stored in a public constant within the class implementing |
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* the operation:<BR> |
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* By convention this index should be in a final and static variable in the |
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* class that implements the operation. The value of this variable must be set |
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* using the method {@link GeometryManager#getGeometryOperationCode(String)}:<BR>
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* <pre> |
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* public class MyOperation extends GeometryOperation {
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* public static final int CODE = |
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* GeometryLocator.getGeometryManager() |
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* .registerGeometryOperation("MyOperation", new MyOperation(), TYPES.POINT, SUBTYPES.GEOM2D);
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* .getGeometryOperationCode("MyOperation");
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* } |
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* </pre> |
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* </p> |
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* Returns an unique index that is used later to identify and invoke the operation.<br> |
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* </p> |
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* <p> |
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* By convention, the return value should be stored in a public constant within the class implementing |
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* the operation:<BR> |
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* By convention this index should be in a final and static variable in the |
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* class that implements the operation. The value of this variable must be set |
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* using the method {@link GeometryManager#getGeometryOperationCode(String)}:<BR>
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* <pre> |
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* public class MyOperation extends GeometryOperation {
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* public static final int CODE = |
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* GeometryLocator.getGeometryManager() |
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* .registerGeometryOperation("MyOperation", new MyOperation(), TYPES.POINT);
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* .getGeometryOperationCode("MyOperation");
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* } |
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* </pre> |
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* </p> |
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* Returns an unique index that is used later to identify and invoke the operation.<br> |
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* </p> |
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* <p> |
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* By convention, the return value should be stored in a public constant within the class implementing |
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* the operation:<BR> |
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* By convention this index should be in a final and static variable in the |
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* class that implements the operation. The value of this variable must be set |
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* using the method {@link GeometryManager#getGeometryOperationCode(String)}:<BR>
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* <pre> |
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* public class MyOperation extends GeometryOperation {
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* public static final int CODE = |
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* GeometryLocator.getGeometryManager() |
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* .registerGeometryOperation("MyOperation", new MyOperation(), SUBTYPES.GEOM2D);
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* .getGeometryOperationCode("MyOperation");
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* } |
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* </pre> |
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* </p> |
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* <pre> |
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* Point point = (Point)GeometryLocator |
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* .getGeometryManager().create("Point2D");
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* point.setX(1);
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* point.setY(1);
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* point.setX(1); |
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* point.setY(1); |
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* </pre> |
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* |
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* @param name |
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* The object returned by an operation, depends on each operation. |
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*/ |
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public Object invokeOperation(String geomOpName, Geometry geom, GeometryOperationContext ctx) throws GeometryOperationNotSupportedException, GeometryOperationException; |
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/** |
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* <p> |
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* Registers the unique name of one operation. If it already exists |
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* then this method does nothing but returning the name's corresponding |
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* index. |
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* </p> |
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* <p> |
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* By convention this method is used to set the value of the final and static |
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* variable that is located in the classes that implements the operation:<BR> |
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* <pre> |
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* public class MyOperation extends GeometryOperation {
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* public static final int CODE = |
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* GeometryLocator.getGeometryManager() |
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* .getGeometryOperationCode("MyOperation");
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* } |
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* </pre> |
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* </p> |
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* @param geomOpName |
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* Name used to register the geometry operation |
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* @return |
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* Index assigned to the operation name passed as parameter |
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*/ |
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public int getGeometryOperationCode(String geomOpName); |
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/** |
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* Returns a list with the name of the operations that have been |
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* registered. |
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* @return |
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* A list of the registered operations. |
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*/ |
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public List getGeometryOperationNames(); |
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} |
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