List of tryIncRef() Examples

Examples of tryIncRef()

org.apache.lucene.index.DirectoryReader.tryIncRef()
org.apache.lucene.index.IndexReader.tryIncRef()
Expert: increments the refCount of this IndexReader instance only if the IndexReader has not been closed yet and returns true iff the refCount was successfully incremented, otherwise false. If this method returns false the reader is either already closed or is currently been closed. Either way this reader instance shouldn't be used by an application unless true is returned.
RefCounts are used to determine when a reader can be closed safely, i.e. as soon as there are no more references. Be sure to always call a corresponding {@link #decRef}, in a finally clause; otherwise the reader may never be closed. Note that {@link #close} simply calls decRef(), which means thatthe IndexReader will not really be closed until {@link #decRef} has been called for all outstandingreferences. @see #decRef @see #incRef

Examples of org.apache.lucene.index.DirectoryReader.tryIncRef()

      }
      finally {
        writeLock.unlock();
      }
    }
    if ( indexReader.tryIncRef() ) {
      return indexReader;
    }
    else {
      //In this case we have a race: the chosen IndexReader was closed before we could increment its reference, so we need
      //to try again. Basically an optimistic lock as the race condition is very unlikely.

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Examples of org.apache.lucene.index.DirectoryReader.tryIncRef()

      }
      finally {
        writeLock.unlock();
      }
    }
    if ( indexReader.tryIncRef() ) {
      return indexReader;
    }
    else {
      //In this case we have a race: the chosen IndexReader was closed before we could increment its reference, so we need
      //to try again. Basically an optimistic lock as the race condition is very unlikely.

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Examples of org.apache.lucene.index.DirectoryReader.tryIncRef()

      }
      finally {
        writeLock.unlock();
      }
    }
    if ( indexReader.tryIncRef() ) {
      return indexReader;
    }
    else {
      //In this case we have a race: the chosen IndexReader was closed before we could increment its reference, so we need
      //to try again. Basically an optimistic lock as the race condition is very unlikely.

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Examples of org.apache.lucene.index.IndexReader.tryIncRef()

      }
      finally {
        writeLock.unlock();
      }
    }
    if ( indexReader.tryIncRef() ) {
      return indexReader;
    }
    else {
      //In this case we have a race: the chosen IndexReader was closed before we could increment its reference, so we need
      //to try again. Basically an optimistic lock as the race condition is very unlikely.

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Examples of org.apache.lucene.index.IndexReader.tryIncRef()

      }
      finally {
        writeLock.unlock();
      }
    }
    if ( indexReader.tryIncRef() ) {
      return indexReader;
    }
    else {
      //In this case we have a race: the chosen IndexReader was closed before we could increment its reference, so we need
      //to try again. Basically an optimistic lock as the race condition is very unlikely.

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Examples of org.apache.lucene.index.IndexReader.tryIncRef()

      }
      finally {
        writeLock.unlock();
      }
    }
    if ( indexReader.tryIncRef() ) {
      return indexReader;
    }
    else {
      //In this case we have a race: the chosen IndexReader was closed before we could increment its reference, so we need
      //to try again. Basically an optimistic lock as the race condition is very unlikely.

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