Package org.eclipse.net4j.util.io

Class SortedFileMap<K extends java.lang.Comparable<K>,​V>

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable
    Direct Known Subclasses:
    CachedFileMap
    public abstract class SortedFileMap<K extends java.lang.Comparable<K>,​V>
extends java.lang.Object
implements java.io.Closeable
    Author:
    Eike Stepper

    • Constructor Detail

      • SortedFileMap

        public SortedFileMap​(java.io.File file,
                     java.lang.String mode)
        See Also:
        RandomAccessFile(File, String)

    • Method Detail

      • close

        public void close()
           throws java.io.IOException
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Throws:
        java.io.IOException

      • getFile

        public java.io.File getFile()

      • getRandomAccessFile

        public java.io.RandomAccessFile getRandomAccessFile()

      • getEntryCount

        public long getEntryCount()

      • getEntrySize

        public int getEntrySize()

      • getPosition

        public long getPosition​(long index)

      • getValuePosition

        public long getValuePosition​(long index)

      • getMaxKey

        public K getMaxKey()

      • getKey

        public K getKey​(long index)

      • getValue

        public V getValue​(long index)

      • get

        public V get​(K key)

      • put

        public V put​(K key,
             V value)

      • search

        protected long search​(K key)
               throws java.io.IOException
        Returns:
        The index of the entry with the given key if the key exists, -(insertionIndex + 1) otherwise.
        Throws:
        java.io.IOException

      • getKeySize

        public abstract int getKeySize()

      • readKey

        protected abstract K readKey​(ExtendedDataInput in)
                      throws java.io.IOException
        Throws:
        java.io.IOException

      • writeKey

        protected abstract void writeKey​(ExtendedDataOutput out,
                                 K key)
                          throws java.io.IOException
        Throws:
        java.io.IOException

      • getValueSize

        public abstract int getValueSize()

      • readValue

        protected abstract V readValue​(ExtendedDataInput in)
                        throws java.io.IOException
        Throws:
        java.io.IOException

      • writeValue

        protected abstract void writeValue​(ExtendedDataOutput out,
                                   V value)
                            throws java.io.IOException
        Throws:
        java.io.IOException