Class MetaProperties

  • public final class MetaProperties
    extends java.lang.Object
    This class acts as the registry of valid Stardog options and provides convenience functions.
    Evren Sirin, Michael Grove
    • Field Detail

      • WRITABLE

        public static final java.util.function.Predicate<MetaProperty<?>> WRITABLE
        Predicate that the returns true if the given option is writable.

        public static final java.util.function.Predicate<MetaProperty<?>> CREATABLE
        Predicate that the returns true if the given option is creatable.

        public static final<MetaProperty<?>> NAME_ORDERING
        Ordering on the name of options
    • Method Detail

      • get

        public static <T> MetaProperty<T> get​(java.lang.String name)
      • contains

        public static boolean contains​(java.lang.String theName)
        Returns true if there is a option with the given name in the set of all valid Stardog options.
      • contains

        public static boolean contains​(MetaProperty<?> theOption)
        Returns true if the given option is contained in the set of all valid Stardog options.
      • allProperties

        public static java.lang.Iterable<MetaProperty<?>> allProperties()
        Returns the set of all valid Stardog options.
      • databaseProperties

        public static java.lang.Iterable<MetaProperty<?>> databaseProperties()
      • memoryProperties

        public static java.lang.Iterable<MetaProperty<?>> memoryProperties()
      • diskProperties

        public static java.lang.Iterable<MetaProperty<?>> diskProperties()
      • indexProperties

        public static java.lang.Iterable<MetaProperty<?>> indexProperties()
      • configProperties

        public static java.lang.Iterable<ConfigProperty<?>> configProperties​(java.lang.Iterable<MetaProperty<?>> theProperties)
      • infoProperties

        public static java.lang.Iterable<InfoProperty<?>> infoProperties​(java.lang.Iterable<MetaProperty<?>> theProperties)
      • defaults

        public static Metadata defaults​(java.lang.Iterable<MetaProperty<?>> theStardogOptions)
        Returns a new option map that contains explicit mapping for each given option to its default value.
      • filter

        public static Metadata filter​(Metadata theOptions,
                                      java.util.function.Predicate<MetaProperty<?>> theFilter)
        Returns a new option map which contains explicit mappings only from those options that satisfy the given filter.
      • partition

        public static com.complexible.stardog.metadata.PartitionedMetadata partition​(Metadata theOptions,
                                                                                     java.util.function.Predicate<MetaProperty<?>> theFilter,
                                                                                     boolean theMemory)
      • combine

        public static Metadata combine​(Metadata... theOptionsArray)
        Combines the given multiple options instances one options instance. If there are duplicate options in the given arguments the value that appears in the last options instance wins.
      • register

        public static void register​(java.lang.Class<? extends MetaPropertyProvider> aProvider)