# Uses of Enum Class
org.apache.sis.metadata.ValueExistencePolicy

Packages that use ValueExistencePolicy
Package
Description
org.apache.sis.metadata
Root package for various metadata implementations.

- ## Uses of ValueExistencePolicy in org.apache.sis.metadata

  Subclasses with type arguments of type ValueExistencePolicy in org.apache.sis.metadata
  Modifier and Type
  Class
  Description
  `enum`
  `ValueExistencePolicy`
  Whatever `MetadataStandard.asValueMap(…)` shall contain entries for null, nil or empty values.
  Methods in org.apache.sis.metadata that return ValueExistencePolicy
  Modifier and Type
  Method
  Description
  `static ValueExistencePolicy`
  ValueExistencePolicy.`valueOf(String name)`
  Returns the enum constant of this class with the specified name.
  `static ValueExistencePolicy[]`
  ValueExistencePolicy.`values()`
  Returns an array containing the constants of this enum class, in the order they are declared.
  Methods in org.apache.sis.metadata with parameters of type ValueExistencePolicy
  Modifier and Type
  Method
  Description
  `TreeTable`
  MetadataStandard.`asTreeTable(Object metadata, Class<?> baseType, ValueExistencePolicy valuePolicy)`
  Returns the specified metadata object as a tree table.
  `Map<String,Object>`
  MetadataStandard.`asValueMap(Object metadata, Class<?> baseType, KeyNamePolicy keyPolicy, ValueExistencePolicy valuePolicy)`
  Returns a view of the specified metadata object as a `Map`.