Package org.terrier.structures

Interface PostingIndexInputStream

All Superinterfaces:
java.lang.AutoCloseable, java.io.Closeable, java.util.Iterator<IterablePosting>
All Known Implementing Classes:
BitPostingIndexInputStream
public interface PostingIndexInputStream
extends java.io.Closeable, java.util.Iterator<IterablePosting>
Interface for reading postings from an input stream

  • Method Summary

    Modifier and Type Method Description
    Pointer getCurrentPointer()
    Returns the pointer associated with the current postings being accessed
    int getEntriesSkipped()
    Returns the number of entries that were skipped during a call to the next().
    IterablePosting getNextPostings()
    Return the next IterablePosting object, or null if none defined.
    int getNumberOfCurrentPostings()
    Returns the number of postings in the current IterablePosting object
    void print()
    Renders the entire structure to stdout

    Methods inherited from interface java.io.Closeable

    close

    Methods inherited from interface java.util.Iterator

    forEachRemaining, hasNext, next, remove

  • Method Details

    • getNextPostings

      IterablePosting getNextPostings() throws java.io.IOException
      Return the next IterablePosting object, or null if none defined. Use this method instead of hasNext() and next().
      Returns:
      IterablePosting postings for next object
      Throws:
      java.io.IOException - if an I/O problem occurs.

    • getNumberOfCurrentPostings

      int getNumberOfCurrentPostings()
      Returns the number of postings in the current IterablePosting object

    • getCurrentPointer

      Pointer getCurrentPointer()
      Returns the pointer associated with the current postings being accessed

    • getEntriesSkipped

      int getEntriesSkipped()
      Returns the number of entries that were skipped during a call to the next().
      Returns:
      int the number of entries skipped.

    • print

      void print()
      Renders the entire structure to stdout