Package elki.database.datastore.memory

Class ArrayDoubleStore

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private double[] data
      Data array
      private double def
      Default value.
      private DataStoreIDMap idmap
      DBID to index map

    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      void clear()
      Clear the storage (resetting it to the default value).
      void delete​(DBIDRef id)
      Delete the contents for a particular ID and notifies the registered listeners.
      void destroy()
      Deallocate the storage, freeing the memory and notifies the registered listeners.
      double doubleValue​(DBIDRef id)
      Retrieves an object from the storage.
      java.lang.Double get​(DBIDRef id)
      Deprecated.
      void increment​(DBIDRef id, double value)
      Increment the specified value with the specified id in this storage.
      double put​(DBIDRef id, double value)
      Associates the specified value with the specified id in this storage.
      java.lang.Double put​(DBIDRef id, java.lang.Double value)
      Deprecated.
      double putDouble​(DBIDRef id, double value)
      Associates the specified value with the specified id in this storage.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • data

        private double[] data
        Data array

      • def

        private double def
        Default value.

    • Constructor Detail

      • ArrayDoubleStore

        public ArrayDoubleStore​(int size,
                        DataStoreIDMap idmap)
        Constructor.
        Parameters:
        size - Size
        idmap - ID map

      • ArrayDoubleStore

        public ArrayDoubleStore​(int size,
                        DataStoreIDMap idmap,
                        double def)
        Constructor.
        Parameters:
        size - Size
        idmap - ID map
        def - Default value

    • Method Detail

      • get

        @Deprecated
public java.lang.Double get​(DBIDRef id)
        Deprecated.
        Description copied from interface: DoubleDataStore
        Getter, but using objects.
        Specified by:
        get in interface DataStore<java.lang.Double>
        Specified by:
        get in interface DoubleDataStore
        Parameters:
        id - Database ID.
        Returns:
        Object or null

      • put

        @Deprecated
public java.lang.Double put​(DBIDRef id,
                            java.lang.Double value)
        Deprecated.
        Description copied from interface: WritableDoubleDataStore
        Setter, but using objects.
        Specified by:
        put in interface WritableDataStore<java.lang.Double>
        Specified by:
        put in interface WritableDoubleDataStore
        Parameters:
        id - Database ID.
        value - Value to store.
        Returns:
        previous value

      • doubleValue

        public double doubleValue​(DBIDRef id)
        Description copied from interface: DoubleDataStore
        Retrieves an object from the storage.
        Specified by:
        doubleValue in interface DoubleDataStore
        Parameters:
        id - Database ID.
        Returns:
        Double value

      • putDouble

        public double putDouble​(DBIDRef id,
                        double value)
        Description copied from interface: WritableDoubleDataStore
        Associates the specified value with the specified id in this storage. If the storage previously contained a value for the id, the previous value is replaced by the specified value.
        Specified by:
        putDouble in interface WritableDoubleDataStore
        Parameters:
        id - Database ID.
        value - Value to store.
        Returns:
        previous value

      • put

        public double put​(DBIDRef id,
                  double value)
        Description copied from interface: WritableDoubleDataStore
        Associates the specified value with the specified id in this storage. If the storage previously contained a value for the id, the previous value is replaced by the specified value.
        Specified by:
        put in interface WritableDoubleDataStore
        Parameters:
        id - Database ID.
        value - Value to store.
        Returns:
        previous value

      • increment

        public void increment​(DBIDRef id,
                      double value)
        Description copied from interface: WritableDoubleDataStore
        Increment the specified value with the specified id in this storage.
        Specified by:
        increment in interface WritableDoubleDataStore
        Parameters:
        id - Database ID.
        value - Value to add to the previous value.

      • clear

        public void clear()
        Description copied from interface: WritableDataStore
        Clear the storage (resetting it to the default value).
        Specified by:
        clear in interface WritableDataStore<java.lang.Double>

      • destroy

        public void destroy()
        Description copied from interface: WritableDataStore
        Deallocate the storage, freeing the memory and notifies the registered listeners.
        Specified by:
        destroy in interface WritableDataStore<java.lang.Double>

      • delete

        public void delete​(DBIDRef id)
        Description copied from interface: WritableDataStore
        Delete the contents for a particular ID and notifies the registered listeners.
        Specified by:
        delete in interface WritableDataStore<java.lang.Double>
        Parameters:
        id - Database ID.