Module org.eclipse.jetty.util
Package org.eclipse.jetty.util

Interface Index<V>

  • Type Parameters:
    V - the entry type
    All Known Subinterfaces:
    Index.Mutable<V>
    public interface Index<V>
    An immutable String lookup data structure.

    • Nested Class Summary

      Nested Classes 
      Modifier and Type Interface Description
      static class  Index.Builder<V>
      Builder of Index instances.
      static interface  Index.Mutable<V>
      A mutable String lookup data structure.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      V get​(java.lang.String s)
      Get an exact match from a String key
      V get​(java.lang.String s, int offset, int len)
      Get an exact match from a String key
      V get​(java.nio.ByteBuffer b)
      Get an exact match from a segment of a ByteBuufer as key
      V get​(java.nio.ByteBuffer b, int offset, int len)
      Get an exact match from a segment of a ByteBuufer as key
      V getBest​(byte[] b, int offset, int len)
      Get the best match from key in a byte array.
      V getBest​(java.lang.String s)
      Get the best match from key in a String.
      V getBest​(java.lang.String s, int offset, int len)
      Get the best match from key in a String.
      V getBest​(java.nio.ByteBuffer b, int offset, int len)
      Get the best match from key in a byte buffer.
      boolean isEmpty()
      Check if the index contains any entry.
      java.util.Set<java.lang.String> keySet()
      Get a Set of the keys contained in this index.
      int size()
      Get the number of entries in the index.

    • Method Detail

      • get

        V get​(java.lang.String s)
        Get an exact match from a String key
        Parameters:
        s - The key
        Returns:
        the value for the string key

      • get

        V get​(java.nio.ByteBuffer b)
        Get an exact match from a segment of a ByteBuufer as key
        Parameters:
        b - The buffer
        Returns:
        The value or null if not found

      • get

        V get​(java.lang.String s,
      int offset,
      int len)
        Get an exact match from a String key
        Parameters:
        s - The key
        offset - The offset within the string of the key
        len - the length of the key
        Returns:
        the value for the string / offset / length

      • get

        V get​(java.nio.ByteBuffer b,
      int offset,
      int len)
        Get an exact match from a segment of a ByteBuufer as key
        Parameters:
        b - The buffer
        offset - The offset within the buffer of the key
        len - the length of the key
        Returns:
        The value or null if not found

      • getBest

        V getBest​(java.lang.String s,
          int offset,
          int len)
        Get the best match from key in a String.
        Parameters:
        s - The string
        offset - The offset within the string of the key
        len - the length of the key
        Returns:
        The value or null if not found

      • getBest

        V getBest​(java.nio.ByteBuffer b,
          int offset,
          int len)
        Get the best match from key in a byte buffer. The key is assumed to by ISO_8859_1 characters.
        Parameters:
        b - The buffer
        offset - The offset within the buffer of the key
        len - the length of the key
        Returns:
        The value or null if not found

      • getBest

        V getBest​(java.lang.String s)
        Get the best match from key in a String.
        Parameters:
        s - The string
        Returns:
        The value or null if not found

      • getBest

        V getBest​(byte[] b,
          int offset,
          int len)
        Get the best match from key in a byte array. The key is assumed to by ISO_8859_1 characters.
        Parameters:
        b - The buffer
        offset - The offset within the array of the key
        len - the length of the key
        Returns:
        The value or null if not found

      • isEmpty

        boolean isEmpty()
        Check if the index contains any entry.
        Returns:
        true if the index does not contain any entry.

      • size

        int size()
        Get the number of entries in the index.
        Returns:
        the index' entries count.

      • keySet

        java.util.Set<java.lang.String> keySet()
        Get a Set of the keys contained in this index.
        Returns:
        a Set of the keys contained in this index.