org.apache.sis.metadata.iso.acquisition

## Class DefaultObjective

- Object
- - AbstractMetadata
  - - ModifiableMetadata
    - - ISOMetadata
      - - DefaultObjective

- All Implemented Interfaces:
    Serializable, Cloneable, Emptiable, LenientComparable, IdentifiedObject, Objective

      public class DefaultObjective
      extends ISOMetadata
      implements Objective

  Describes the characteristics, spatial and temporal extent of the intended object to be observed. The following properties are mandatory in a well-formed metadata according ISO 19115:
  `MI_Objective` `├─identifier…………………………` Code used to identify the objective. `│ └─code………………………………` Alphanumeric value identifying an instance in the namespace. `└─objectiveOccurence……` Event or events associated with objective completion. `├─identifier………………` Event name or number. `│ └─code……………………` Alphanumeric value identifying an instance in the namespace. `├─trigger………………………` Initiator of the event. `├─context………………………` Meaning of the event. `├─sequence……………………` Relative time ordering of the event. `└─time………………………………` Time the event occurred.

  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
    `DefaultObjective()` Constructs an initially empty objective.
    `DefaultObjective(Objective object)` Constructs a new instance initialized with the values from the specified metadata object.

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static DefaultObjective` | `castOrCopy(Objective object)` Returns a SIS metadata implementation with the values of the given arbitrary implementation.
    `Collection<Extent>` | `getExtents()` Returns the extent information including the bounding box, bounding polygon, vertical and temporal extent of the objective.
    `Collection<InternationalString>` | `getFunctions()` Returns the role or purpose performed by or activity performed at the objective.
    `Collection<Identifier>` | `getIdentifiers()` Returns the code used to identify the objective.
    `Collection<Event>` | `getObjectiveOccurences()` Returns the event or events associated with objective completion.
    `Collection<PlatformPass>` | `getPass()` Returns the pass of the platform over the objective.
    `InternationalString` | `getPriority()` Returns the priority applied to the target.
    `Collection<Instrument>` | `getSensingInstruments()` Returns the instrument which senses the objective data.
    `Collection<ObjectiveType>` | `getTypes()` Returns the collection technique for the objective.
    `void` | `setExtents(Collection<? extends Extent> newValues)` Sets the extent information including the bounding box, bounding polygon, vertical and temporal extent of the objective.
    `void` | `setFunctions(Collection<? extends InternationalString> newValues)` Sets the role or purpose performed by or activity performed at the objective.
    `void` | `setIdentifiers(Collection<? extends Identifier> newValues)` Sets the code used to identify the objective.
    `void` | `setObjectiveOccurences(Collection<? extends Event> newValues)` Sets the event or events associated with objective completion.
    `void` | `setPass(Collection<? extends PlatformPass> newValues)` Sets the pass of the platform over the objective.
    `void` | `setPriority(InternationalString newValue)` Sets the priority applied to the target.
    `void` | `setSensingInstruments(Collection<? extends Instrument> newValues)` Sets the instrument which senses the objective data.
    `void` | `setTypes(Collection<? extends ObjectiveType> newValues)` Sets the collection technique for the objective.

    - ### Methods inherited from class ISOMetadata

      `freeze, getIdentifierMap, 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`

- - ### Constructor Detail

    - #### DefaultObjective

          public DefaultObjective()

      Constructs an initially empty objective.

    - #### DefaultObjective

          public DefaultObjective(Objective 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(Objective)`

  - ### Method Detail

    - #### castOrCopy

          public static DefaultObjective castOrCopy(Objective 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 `DefaultObjective`, then it is returned unchanged.
      - Otherwise a new `DefaultObjective` 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.

    - #### getIdentifiers

          public Collection<Identifier> getIdentifiers()

      Returns the code used to identify the objective.
      Unified identifiers view
      In this SIS implementation, the collection returned by this method includes the XML identifiers (ID, UUID, etc.), thus providing a unified view of every kind of identifiers associated to this objective.
      XML note: The `<gmd:identifier>` element marshalled to XML will exclude all the above cited identifiers, for ISO 19139 compliance. Those identifiers will appear in other XML elements or attributes.
      Specified by:
        `getIdentifiers` in interface `IdentifiedObject`
      Specified by:
        `getIdentifiers` in interface `Objective`
      Overrides:
        `getIdentifiers` in class `ISOMetadata`
      Returns:
        identification of the objective.
      See Also:
        `DefaultCitation​.getIdentifiers()`, `getIdentifiers()`, `AbstractIdentifiedObject​.getIdentifiers()`

    - #### setIdentifiers

          public void setIdentifiers(Collection<? extends Identifier> newValues)

      Sets the code used to identify the objective.

      XML identifiers (ID, UUID, etc.), are not affected by this method, unless they are explicitely provided in the given collection.

      Parameters:
        `newValues` - the new identifiers values.

    - #### getPriority

          public InternationalString getPriority()

      Returns the priority applied to the target. `null` if unspecified.
      Specified by:
        `getPriority` in interface `Objective`
      Returns:
        priority applied, or `null`.

    - #### setPriority

          public void setPriority(InternationalString newValue)

      Sets the priority applied to the target.
      Parameters:
        `newValue` - the new priority value.

    - #### getTypes

          public Collection<ObjectiveType> getTypes()

      Returns the collection technique for the objective.
      Specified by:
        `getTypes` in interface `Objective`
      Returns:
        collection technique for the objective.

    - #### setTypes

          public void setTypes(Collection<? extends ObjectiveType> newValues)

      Sets the collection technique for the objective.
      Parameters:
        `newValues` - the new types values.

    - #### getFunctions

          public Collection<InternationalString> getFunctions()

      Returns the role or purpose performed by or activity performed at the objective.
      Specified by:
        `getFunctions` in interface `Objective`
      Returns:
        role or purpose performed by or activity performed at the objective.

    - #### setFunctions

          public void setFunctions(Collection<? extends InternationalString> newValues)

      Sets the role or purpose performed by or activity performed at the objective.
      Parameters:
        `newValues` - the new functions values.

    - #### getExtents

          public Collection<Extent> getExtents()

      Returns the extent information including the bounding box, bounding polygon, vertical and temporal extent of the objective.
      Specified by:
        `getExtents` in interface `Objective`
      Returns:
        extent information.

    - #### setExtents

          public void setExtents(Collection<? extends Extent> newValues)

      Sets the extent information including the bounding box, bounding polygon, vertical and temporal extent of the objective.
      Parameters:
        `newValues` - the new extents values.

    - #### getObjectiveOccurences

          public Collection<Event> getObjectiveOccurences()

      Returns the event or events associated with objective completion.
      Specified by:
        `getObjectiveOccurences` in interface `Objective`
      Returns:
        events associated with objective completion.

    - #### setObjectiveOccurences

          public void setObjectiveOccurences(Collection<? extends Event> newValues)

      Sets the event or events associated with objective completion.
      Parameters:
        `newValues` - the new objective occurrences values.

    - #### getPass

          public Collection<PlatformPass> getPass()

      Returns the pass of the platform over the objective.
      Specified by:
        `getPass` in interface `Objective`
      Returns:
        pass of the platform.

    - #### setPass

          public void setPass(Collection<? extends PlatformPass> newValues)

      Sets the pass of the platform over the objective.
      Parameters:
        `newValues` - the new pass values.

    - #### getSensingInstruments

          public Collection<Instrument> getSensingInstruments()

      Returns the instrument which senses the objective data.
      Specified by:
        `getSensingInstruments` in interface `Objective`
      Returns:
        instrument which senses the objective data.

    - #### setSensingInstruments

          public void setSensingInstruments(Collection<? extends Instrument> newValues)

      Sets the instrument which senses the objective data.
      Parameters:
        `newValues` - the new sensing instruments values.

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