Package org.infinispan.lucene

Examples of org.infinispan.lucene.FileMetadata$Externalizer

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    /**
     * Used by Lucene v3.x only
     */
    long fileModified(final String name) {
       final FileMetadata fileMetadata = fileOps.getFileMetadata(name);
       if (fileMetadata == null) {
          return 0L;
       }
       else {
          return fileMetadata.getLastModified();
       }
    }
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    /**
     * Used by Lucene v3.x only
     */
    void touchFile(final String fileName) {
       final FileMetadata file = fileOps.getFileMetadata(fileName);
       if (file != null) {
          final FileCacheKey key = new FileCacheKey(indexName, fileName);
          file.touch();
          metadataCache.put(key, file);
       }
    }
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       }
    }

    void renameFile(final String from, final String to) {
       final FileCacheKey fromKey = new FileCacheKey(indexName, from);
       final FileMetadata metadata = metadataCache.get(fromKey);
       final int bufferSize = metadata.getBufferSize();
       // preparation: copy all chunks to new keys
       int i = -1;
       Object ob;
       do {
          final ChunkCacheKey fromChunkKey = new ChunkCacheKey(indexName, from, ++i, bufferSize);
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          log.tracef("Renamed file from: %s to: %s in index %s", from, to, indexName);
       }
    }

    long fileLength(final String name) {
       final FileMetadata fileMetadata = fileOps.getFileMetadata(name);
       if (fileMetadata == null) {
          return 0L; //as in FSDirectory (RAMDirectory throws an exception instead)
       }
       else {
          return fileMetadata.getSize();
       }
    }
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       return new InfinispanIndexOutput(metadataCache, chunksCache, key, chunkSize, fileOps);
    }

    IndexInputContext openInput(final String name) throws IOException {
       final FileCacheKey fileKey = new FileCacheKey(indexName, name);
       final FileMetadata fileMetadata = metadataCache.get(fileKey);
       if (fileMetadata == null) {
          throw new FileNotFoundException("Error loading metadata for index file: " + fileKey);
       }
       else if (fileMetadata.getSize() <= fileMetadata.getBufferSize()) {
          //files smaller than chunkSize don't need a readLock
          return new IndexInputContext(chunksCache, fileKey, fileMetadata, null);
       }
       else {
          boolean locked = readLocks.acquireReadLock(name);
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      final boolean trace = log.isTraceEnabled();
      final String indexName = readLockKey.getIndexName();
      final String filename = readLockKey.getFileName();
      final FileCacheKey key = new FileCacheKey(indexName, filename);
      if (trace) log.tracef("deleting metadata: %s", key);
      final FileMetadata file = (FileMetadata) metadataCache.remove(key);
      if (file != null) { //during optimization of index a same file could be deleted twice, so you could see a null here
         final int bufferSize = file.getBufferSize();
         AdvancedCache<?, ?> chunksCacheNoReturn = chunksCache.withFlags(Flag.IGNORE_RETURN_VALUES);
         for (int i = 0; i < file.getNumberOfChunks(); i++) {
            ChunkCacheKey chunkKey = new ChunkCacheKey(indexName, filename, i, bufferSize);
            if (trace) log.tracef("deleting chunk: %s", chunkKey);
            if (forceSynchronousDeletes) {
               chunksCacheNoReturn.remove(chunkKey);
            }
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      this.fileKey = fileKey;
      this.bufferSize = bufferSize;
      this.fileOps = fileList;
      this.buffer = new byte[this.bufferSize];
      this.firstChunkBuffer = buffer;
      this.file = new FileMetadata(bufferSize);
      if (trace) {
         log.tracef("Opened new IndexOutput for file:%s in index: %s", fileKey.getFileName(), fileKey.getIndexName());
      }
   }
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       }
    }

    void renameFile(final String from, final String to) {
       final FileCacheKey fromKey = new FileCacheKey(indexName, from);
       final FileMetadata metadata = metadataCache.get(fromKey);
       final int bufferSize = metadata.getBufferSize();
       // preparation: copy all chunks to new keys
       int i = -1;
       Object ob;
       do {
          final ChunkCacheKey fromChunkKey = new ChunkCacheKey(indexName, from, ++i, bufferSize);
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          log.tracef("Renamed file from: %s to: %s in index %s", from, to, indexName);
       }
    }

    long fileLength(final String name) {
       final FileMetadata fileMetadata = fileOps.getFileMetadata(name);
       if (fileMetadata == null) {
          return 0L; //as in FSDirectory (RAMDirectory throws an exception instead)
       }
       else {
          return fileMetadata.getSize();
       }
    }
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       }
    }

    IndexInputContext openInput(final String name) throws IOException {
       final FileCacheKey fileKey = new FileCacheKey(indexName, name);
       final FileMetadata fileMetadata = metadataCache.get(fileKey);
       if (fileMetadata == null) {
          throw new FileNotFoundException("Error loading metadata for index file: " + fileKey);
       }
       else if (fileMetadata.getSize() <= fileMetadata.getBufferSize()) {
          //files smaller than chunkSize don't need a readLock
          return new IndexInputContext(chunksCache, fileKey, fileMetadata, null);
       }
       else {
          boolean locked = readLocks.acquireReadLock(name);
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