Package com.activeviam.properties

Interface IActiveViamPropertyResolver

All Known Implementing Classes:
DefaultPropertyResolver, EnvironmentPropertyResolver, SpringPropertyResolver, SystemPropertyResolver
public interface IActiveViamPropertyResolver
Interface for Property Resolvers.

  • Method Details

    • fetch

      Object fetch(IActiveViamProperty prop)
      Retrieves a property value.
      Parameters:
      prop - the property to retrieve
      Returns:
      the value of the property or null

    • fetch

      default <P extends IActiveViamProperty> Map<P,Object> fetch(List<P> props)
      Fetches a list of properties in a Source of properties.

      Usual sources are the System properties, JVM input properties or the Spring Configuration properties.

      The Map returned by the resolver should not contain null entries.

      Type Parameters:
      P - the type of the property
      Parameters:
      props - Properties to resolve
      Returns:
      Map of the properties with their values in the source

    • compose

      static IActiveViamPropertyResolver compose(IActiveViamPropertyResolver... resolvers)
      Creates a single IActiveViamPropertyResolver from a list of resolvers.

      The resolver will iterate over the specified resolvers in the given order until finding a non null value for the property.

      Parameters:
      resolvers - the resolvers to combine
      Returns:
      a new resolver