Class ThresholdStorageProvider

  • All Implemented Interfaces:
    StorageProvider

    public class ThresholdStorageProvider
    extends AbstractStorageProvider
    A StorageProvider that keeps small amounts of data in memory and writes the remainder to another StorageProvider (the back-end) if a certain threshold size gets exceeded.

    Example usage:

     StorageProvider tempStore = new TempFileStorageProvider();
     StorageProvider provider = new ThresholdStorageProvider(tempStore, 4096);
     DefaultStorageProvider.setInstance(provider);
     
    • Field Detail

      • thresholdSize

        private final int thresholdSize
    • Constructor Detail

      • ThresholdStorageProvider

        public ThresholdStorageProvider​(StorageProvider backend)
        Creates a new ThresholdStorageProvider for the given back-end using a threshold size of 2048 bytes.
      • ThresholdStorageProvider

        public ThresholdStorageProvider​(StorageProvider backend,
                                        int thresholdSize)
        Creates a new ThresholdStorageProvider for the given back-end and threshold size.
        Parameters:
        backend - used to store the remainder of the data if the threshold size gets exceeded.
        thresholdSize - determines how much bytes are kept in memory before that back-end storage provider is used to store the remainder of the data.