Package org.forgerock.opendj.ldif

Interface EntryReader

  • All Superinterfaces:
    AutoCloseable, Closeable
    All Known Implementing Classes:
    ConnectionEntryReader, EntryGenerator, LdifEntryReader
    public interface EntryReader
extends Closeable
    An interface for reading entries from a data source, typically an LDIF file.

    Implementations must specify the following:

    • Whether it is possible for the implementation to encounter malformed change records and, if it is possible, how they are handled.
    • Any synchronization limitations.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void close()
      Closes this entry reader if it is not already closed.
      boolean hasNext()
      Returns true if this reader contains another entry, blocking if necessary until either the next entry is available or the end of the stream is reached.
      Entry readEntry()
      Reads the next entry, blocking if necessary until an entry is available.

    • Method Detail

      • close

        void close()
    throws IOException
        Closes this entry reader if it is not already closed. Note that this method does not need to be called if a previous call of readEntry() has returned null.
        Specified by:
        close in interface AutoCloseable
        Specified by:
        close in interface Closeable
        Throws:
        IOException - If an unexpected IO error occurred while closing.

      • hasNext

        boolean hasNext()
         throws IOException
        Returns true if this reader contains another entry, blocking if necessary until either the next entry is available or the end of the stream is reached.
        Returns:
        true if this reader contains another entry.
        Throws:
        IOException - If an unexpected IO error occurred.

      • readEntry

        Entry readEntry()
         throws IOException
        Reads the next entry, blocking if necessary until an entry is available.
        Returns:
        The next entry.
        Throws:
        IOException - If an unexpected IO error occurred while reading the entry.
        NoSuchElementException - If this reader does not contain any more entries.