Package org.terrier.structures

Class BaseCompressingMetaIndex.InputStream

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable, java.util.Iterator<java.lang.String[]>
    Direct Known Subclasses:
    CompressingMetaIndex.InputStream
    Enclosing class:
    BaseCompressingMetaIndex
    public abstract static class BaseCompressingMetaIndex.InputStream
extends java.lang.Object
implements java.util.Iterator<java.lang.String[]>, java.io.Closeable
    An iterator for reading a MetaIndex as a stream

    • Constructor Summary

      Constructors 
      Constructor Description
      InputStream​(IndexOnDisk _index, java.lang.String structureName)
      Constructs an instance of the class with
      InputStream​(IndexOnDisk _index, java.lang.String _structureName, int _startingId, int _endId)
      Constructs an instance of the class with

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void close()
      int getIndex()
      Return the position that we are at (entry number)
      boolean hasNext()
      java.lang.String[] next()
      void remove()

      • Methods inherited from class java.lang.Object

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

      • Methods inherited from interface java.util.Iterator

        forEachRemaining

    • Field Detail

      • recordLength

        protected final int recordLength

      • keyCount

        protected int keyCount

      • keyByteOffset

        protected int[] keyByteOffset

      • valueByteLengths

        protected int[] valueByteLengths

      • lastOffset

        protected long lastOffset

      • fileLength

        protected long fileLength

    • Constructor Detail

      • InputStream

        public InputStream​(IndexOnDisk _index,
                   java.lang.String _structureName,
                   int _startingId,
                   int _endId)
            throws java.io.IOException
        Constructs an instance of the class with
        Parameters:
        _index -
        _structureName -
        _startingId -
        _endId -
        Throws:
        java.io.IOException

      • InputStream

        public InputStream​(IndexOnDisk _index,
                   java.lang.String structureName)
            throws java.io.IOException
        Constructs an instance of the class with
        Parameters:
        _index -
        structureName -
        Throws:
        java.io.IOException

    • Method Detail

      • hasNext

        public boolean hasNext()
        Specified by:
        hasNext in interface java.util.Iterator<java.lang.String[]>

      • getIndex

        public int getIndex()
        Return the position that we are at (entry number)

      • next

        public java.lang.String[] next()
        Specified by:
        next in interface java.util.Iterator<java.lang.String[]>

      • remove

        public void remove()
        Specified by:
        remove in interface java.util.Iterator<java.lang.String[]>

      • 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