Examples of org.apache.lucene.store.IndexOutput.writeBytes()

Class org.apache.lucene.store.IndexOutput

Examples of org.apache.lucene.store.IndexOutput.writeBytes()

org.apache.lucene.store.IndexOutput.writeBytes()
Writes an array of bytes. @param b the bytes to write @param length the number of bytes to write @see IndexInput#readBytes(byte[],int,int)

      //4 points in random order where writing someText: at begin of file, at end of file, within a single chunk,
      //between 2 chunks
      final int[] pointers = {0, 635, REPEATABLE_BUFFER_SIZE, 135};
      for(int i=0; i < pointers.length; i++) {
         io.seek(pointers[i]);
         io.writeBytes(someTextAsBytes, someTextAsBytes.length);
      }


      io.close();
      bytesGenerator.reset();
      final long finalSize = REPEATABLE_BUFFER_SIZE + someTextAsBytes.length;

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      assert new String(new byte[] { 66, 69 }).equals(new String(buf).trim());


      String testText = "This is some rubbish again that will span more than one chunk - one hopes.  Who knows, maybe even three or four chunks.";
      io = dir.createOutput("MyNewFile.txt", IOContext.DEFAULT);
      io.seek(0);
      io.writeBytes(testText.getBytes(), 0, testText.length());
      io.close();
      // now compare.
      byte[] chunk1 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 0, BUFFER_SIZE));
      byte[] chunk2 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 1, BUFFER_SIZE));
      assert null != chunk1;

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      IndexOutput io = dir.createOutput("MyNewFile.txt", IOContext.DEFAULT);


      io.writeByte((byte) 1);
      io.writeByte((byte) 2);
      io.writeByte((byte) 3);
      io.writeBytes(testTextAsBytes, testTextAsBytes.length);
      io.close();
      DirectoryIntegrityCheck.verifyDirectoryStructure(cache, INDEXNAME);


      FileCacheKey fileCacheKey = new FileCacheKey(INDEXNAME, "MyNewFile.txt");
      assert null != cache.get(fileCacheKey);

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   private void testOn(Directory dir, int writeSize, int readSize, Cache cache) throws IOException {
      if (cache != null) cache.clear();//needed to make sure no chunks are left over in case of Infinispan implementation
      final String filename = "chunkTest";
      IndexOutput indexOutput = dir.createOutput(filename, IOContext.DEFAULT);
      byte[] toWrite = fillBytes(writeSize);
      indexOutput.writeBytes(toWrite, writeSize);
      indexOutput.close();
      if (cache != null) {
         AssertJUnit.assertEquals(writeSize, DirectoryIntegrityCheck.deepCountFileSize(new FileCacheKey(INDEXNAME,filename), cache));
      }
      AssertJUnit.assertEquals(writeSize, indexOutput.length());

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      cache.clear();
      Directory dir = DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEXNAME).chunkSize(13).create();
      byte[] manyBytes = fillBytes(bufferSize);
      IndexOutput indexOutput = dir.createOutput(filename, IOContext.DEFAULT);
      for (int i = 0; i < 10; i++) {
         indexOutput.writeBytes(manyBytes, bufferSize);
         indexOutput.flush();
      }
      indexOutput.close();
      IndexInput input = dir.openInput(filename, IOContext.DEFAULT);
      final int finalSize = (10 * bufferSize);

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      //4 points in random order where writing someText: at begin of file, at end of file, within a single chunk,
      //between 2 chunks
      final int[] pointers = {0, 635, REPEATABLE_BUFFER_SIZE, 135};
      for(int i=0; i < pointers.length; i++) {
         io.seek(pointers[i]);
         io.writeBytes(someTextAsBytes, someTextAsBytes.length);
      }
      
      io.close();
      bytesGenerator.reset();
      final long finalSize = REPEATABLE_BUFFER_SIZE + someTextAsBytes.length;

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      assert new String(new byte[] { 66, 69 }).equals(new String(buf).trim());


      String testText = "This is some rubbish again that will span more than one chunk - one hopes.  Who knows, maybe even three or four chunks.";
      io = dir.createOutput("MyNewFile.txt", IOContext.DEFAULT);
      io.seek(0);
      io.writeBytes(testText.getBytes(), 0, testText.length());
      io.close();
      // now compare.
      byte[] chunk1 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 0, BUFFER_SIZE));
      byte[] chunk2 = (byte[]) cache.get(new ChunkCacheKey(INDEXNAME, "MyNewFile.txt", 1, BUFFER_SIZE));
      assert null != chunk1;

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      IndexOutput io = dir.createOutput("MyNewFile.txt", IOContext.DEFAULT);


      io.writeByte((byte) 1);
      io.writeByte((byte) 2);
      io.writeByte((byte) 3);
      io.writeBytes(testTextAsBytes, testTextAsBytes.length);
      io.close();
      DirectoryIntegrityCheck.verifyDirectoryStructure(cache, INDEXNAME);


      FileCacheKey fileCacheKey = new FileCacheKey(INDEXNAME, "MyNewFile.txt");
      assert null != cache.get(fileCacheKey);

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   private void testOn(Directory dir, int writeSize, int readSize, Cache cache) throws IOException {
      if (cache != null) cache.clear();//needed to make sure no chunks are left over in case of Infinispan implementation
      final String filename = "chunkTest";
      IndexOutput indexOutput = dir.createOutput(filename, IOContext.DEFAULT);
      byte[] toWrite = fillBytes(writeSize);
      indexOutput.writeBytes(toWrite, writeSize);
      indexOutput.close();
      if (cache != null) {
         AssertJUnit.assertEquals(writeSize, DirectoryIntegrityCheck.deepCountFileSize(new FileCacheKey(INDEXNAME,filename), cache));
      }
      AssertJUnit.assertEquals(writeSize, indexOutput.length());

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      cache.clear();
      Directory dir = DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEXNAME).chunkSize(13).create();
      byte[] manyBytes = fillBytes(bufferSize);
      IndexOutput indexOutput = dir.createOutput(filename, IOContext.DEFAULT);
      for (int i = 0; i < 10; i++) {
         indexOutput.writeBytes(manyBytes, bufferSize);
         indexOutput.flush();
      }
      indexOutput.close();
      IndexInput input = dir.openInput(filename, IOContext.DEFAULT);
      final int finalSize = (10 * bufferSize);

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