org.apache.sis.metadata.iso.extent

## Class DefaultBoundingPolygon

- Object
- - AbstractMetadata
  - - ModifiableMetadata
    - - ISOMetadata
      - - AbstractGeographicExtent
        - - DefaultBoundingPolygon

- All Implemented Interfaces:
    Serializable, Cloneable, Emptiable, LenientComparable, IdentifiedObject, BoundingPolygon, GeographicExtent

      public class DefaultBoundingPolygon
      extends AbstractGeographicExtent
      implements BoundingPolygon

  Boundary enclosing the dataset, expressed as the closed set of (x,y) coordinates of the polygon. The last point replicates first point.

  The following property is mandatory in a well-formed metadata according ISO 19115:

  `EX_BoundingPolygon` `└─polygon…………………` The sets of points defining the bounding polygon.

  Limitations:

  - Instances of this class are not synchronized for multi-threading. Synchronization, if needed, is caller's responsibility.
  - Serialized objects of this class are not guaranteed to be compatible with future Apache SIS releases. Serialization support is appropriate for short term storage or RMI between applications running the same version of Apache SIS. For long term storage, use `XML` instead.
  Since:
    0.3
  See Also:
    Serialized Form

  Defined in the `sis-metadata` module

- - ### Field Summary

    - ### Fields inherited from class ISOMetadata

      `identifiers`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `DefaultBoundingPolygon()` Constructs an initially empty bounding polygon.
    `DefaultBoundingPolygon(BoundingPolygon object)` Constructs a new instance initialized with the values from the specified metadata object.
    `DefaultBoundingPolygon(Geometry polygon)` Creates a bounding polygon initialized to the specified polygon.

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static DefaultBoundingPolygon` | `castOrCopy(BoundingPolygon object)` Returns a SIS metadata implementation with the values of the given arbitrary implementation.
    `Collection<Geometry>` | `getPolygons()` Returns the sets of points defining the bounding polygon or other geometry.
    `void` | `setPolygons(Collection<? extends Geometry> newValues)` Sets the sets of points defining the resource boundary.

    - ### Methods inherited from class AbstractGeographicExtent

      `castOrCopy, getInclusion, setInclusion`

    - ### Methods inherited from class ISOMetadata

      `freeze, getIdentifierMap, getIdentifiers, getStandard`

    - ### Methods inherited from class ModifiableMetadata

      `checkWritePermission, clone, collectionType, copyCollection, copyList, copySet, isModifiable, nonNullCollection, nonNullList, nonNullSet, singleton, unmodifiable, writeCollection, writeList, writeSet`

    - ### Methods inherited from class AbstractMetadata

      `asMap, asTreeTable, equals, equals, getInterface, hashCode, isEmpty, prune, toString`

    - ### Methods inherited from class Object

      `finalize, getClass, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface GeographicExtent

      `getInclusion`

- - ### Constructor Detail

    - #### DefaultBoundingPolygon

          public DefaultBoundingPolygon()

      Constructs an initially empty bounding polygon.

    - #### DefaultBoundingPolygon

          public DefaultBoundingPolygon(Geometry polygon)

      Creates a bounding polygon initialized to the specified polygon.
      Parameters:
        `polygon` - the sets of points defining the bounding polygon.

    - #### DefaultBoundingPolygon

          public DefaultBoundingPolygon(BoundingPolygon object)

      Constructs a new instance initialized with the values from the specified metadata object. This is a shallow copy constructor, since the other metadata contained in the given object are not recursively copied.
      Parameters:
        `object` - the metadata to copy values from, or `null` if none.
      See Also:
        `castOrCopy(BoundingPolygon)`

  - ### Method Detail

    - #### castOrCopy

          public static DefaultBoundingPolygon castOrCopy(BoundingPolygon object)

      Returns a SIS metadata implementation with the values of the given arbitrary implementation. This method performs the first applicable action in the following choices:
      - If the given object is `null`, then this method returns `null`.
      - Otherwise if the given object is already an instance of `DefaultBoundingPolygon`, then it is returned unchanged.
      - Otherwise a new `DefaultBoundingPolygon` instance is created using the copy constructor and returned. Note that this is a shallow copy operation, since the other metadata contained in the given object are not recursively copied.
      Parameters:
        `object` - the object to get as a SIS implementation, or `null` if none.
      Returns:
        a SIS implementation containing the values of the given object (may be the given object itself), or `null` if the argument was null.

    - #### getPolygons

          public Collection<Geometry> getPolygons()

      Returns the sets of points defining the bounding polygon or other geometry.
      Specified by:
        `getPolygons` in interface `BoundingPolygon`
      Returns:
        the sets of points defining the resource boundary.

    - #### setPolygons

          public void setPolygons(Collection<? extends Geometry> newValues)

      Sets the sets of points defining the resource boundary.
      Parameters:
        `newValues` - the new boundaries.

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