Examples of com.orientechnologies.orient.core.record.impl.ORecordBytes

Package com.orientechnologies.orient.core.record.impl

Examples of com.orientechnologies.orient.core.record.impl.ORecordBytes

com.orientechnologies.orient.core.record.impl.ORecordBytes
The rawest representation of a record. It's schema less. Use this if you need to store Strings or byte[] without matter about the content. Useful also to store multimedia contents and binary files. The object can be reused across calls to the database by using the reset() at every re-use.


      for (int i = 0; i < count; i++) {
        doc.reset();
        doc.setClassName("Chunk");
        doc.field("hash", "key" + Integer.toString(i));
        doc.field("binary", new ORecordBytes(database, data));
        doc.save();


        ORID rid = doc.getIdentity();
        if (i % 100 == 0)
          System.out.println("ORID=" + rid);

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        OIdentifiable result = (OIdentifiable) index.get("key" + Integer.toString(rand));
        Assert.assertNotNull(result);


        ODocument doc = (ODocument) result.getRecord();
        System.out.println("loaded " + i + "(" + rand + "), binary record: " + doc.field("binary", ORID.class));
        ORecordBytes record = doc.field("binary");
        Assert.assertNotNull(record);
        if (record != null) {
          byte[] data = record.toStream();
          Assert.assertTrue(data.length == size);
        }


        if (i % 100 == 0)
          System.out.println("loaded " + i);

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    database.begin(TXTYPE.NOTX);
  }


  @Override
  public void cycle() {
    record = new ORecordBytes(database, payload);
    record.save();


    if (data.getCyclesDone() == data.getCycles() - 1)
      database.commit();
  }

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  @Override
  public void init() {
    Orient.instance().getProfiler().startRecording();


    database = new ODatabaseFlat(System.getProperty("url")).open("admin", "admin");
    record = new ORecordBytes();


    database.declareIntent(new OIntentMassiveInsert());
    database.begin(TXTYPE.NOTX);
    Random rnd = new Random();
    recordContent = new byte[RECORD_SIZE];

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    ODocument testDocument = new ODocument();
    testDocument.field("testField", "testValue");


    p.setDocument(testDocument);


    ORecordBytes testRecordBytes = new ORecordBytes(
        "this is a bytearray test. if you read this Object database has stored it correctly".getBytes());


    p.setByteArray(testRecordBytes);


    database.save(p);


    ORID rid = database.getRecordByUserObject(p, false).getIdentity();


    database.close();


    database = OObjectDatabasePool.global().acquire(url, "admin", "admin");
    JavaComplexTestClass loaded = database.load(rid);


    Assert.assertTrue(loaded.getByteArray() instanceof ORecordBytes);
    try {
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      try {
        loaded.getByteArray().toOutputStream(out);
        Assert.assertEquals("this is a bytearray test. if you read this Object database has stored it correctly".getBytes(),
            out.toByteArray());
        Assert.assertEquals("this is a bytearray test. if you read this Object database has stored it correctly",
            new String(out.toByteArray()));
      } finally {
        out.close();
      }
    } catch (IOException ioe) {
      Assert.assertTrue(false);
      OLogManager.instance().error(this, "Error reading byte[]", ioe);
    }
    Assert.assertTrue(loaded.getDocument() instanceof ODocument);
    Assert.assertEquals("testValue", loaded.getDocument().field("testField"));
    Assert.assertTrue(loaded.getDocument().getIdentity().isPersistent());


    Assert.assertTrue(loaded.getEmbeddedDocument() instanceof ODocument);
    Assert.assertEquals("testEmbeddedValue", loaded.getEmbeddedDocument().field("testEmbeddedField"));
    Assert.assertFalse(loaded.getEmbeddedDocument().getIdentity().isValid());


    database.close();
    database = OObjectDatabasePool.global().acquire(url, "admin", "admin");
    p = database.newInstance(JavaComplexTestClass.class);
    byte[] thumbnailImageBytes = "this is a bytearray test. if you read this Object database has stored it correctlyVERSION2"
        .getBytes();
    ORecordBytes oRecordBytes = new ORecordBytes(database.getUnderlying(), thumbnailImageBytes);
    oRecordBytes.save();
    p.setByteArray(oRecordBytes);
    p = database.save(p);
    Assert.assertTrue(p.getByteArray() instanceof ORecordBytes);
    try {
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      try {
        p.getByteArray().toOutputStream(out);
        Assert.assertEquals(
            "this is a bytearray test. if you read this Object database has stored it correctlyVERSION2".getBytes(),
            out.toByteArray());
        Assert.assertEquals("this is a bytearray test. if you read this Object database has stored it correctlyVERSION2",
            new String(out.toByteArray()));
      } finally {
        out.close();
      }
    } catch (IOException ioe) {
      Assert.assertTrue(false);
      OLogManager.instance().error(this, "Error reading byte[]", ioe);
    }
    rid = database.getIdentity(p);


    database.close();


    database = OObjectDatabasePool.global().acquire(url, "admin", "admin");
    loaded = database.load(rid);


    Assert.assertTrue(loaded.getByteArray() instanceof ORecordBytes);
    try {
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      try {
        loaded.getByteArray().toOutputStream(out);
        Assert.assertEquals(
            "this is a bytearray test. if you read this Object database has stored it correctlyVERSION2".getBytes(),
            out.toByteArray());
        Assert.assertEquals("this is a bytearray test. if you read this Object database has stored it correctlyVERSION2",
            new String(out.toByteArray()));
      } finally {
        out.close();
      }
    } catch (IOException ioe) {
      Assert.assertTrue(false);
      OLogManager.instance().error(this, "Error reading byte[]", ioe);
    }
    database.close();
    database = OObjectDatabasePool.global().acquire(url, "admin", "admin");
    p = new JavaComplexTestClass();
    thumbnailImageBytes = "this is a bytearray test. if you read this Object database has stored it correctlyVERSION2".getBytes();
    oRecordBytes = new ORecordBytes(database.getUnderlying(), thumbnailImageBytes);
    oRecordBytes.save();
    p.setByteArray(oRecordBytes);
    p = database.save(p);
    Assert.assertTrue(p.getByteArray() instanceof ORecordBytes);
    try {
      ByteArrayOutputStream out = new ByteArrayOutputStream();

View Full Code Here

  @Test(dependsOnMethods = "oidentifableFieldsTest")
  public void oRecordBytesFieldsTest() {
    try {
      OObjectIteratorClass<JavaComplexTestClass> browseClass = database.browseClass(JavaComplexTestClass.class);
      for (JavaComplexTestClass ebookPropertyItem : browseClass) {
        ORecordBytes coverThumbnail = ebookPropertyItem.getByteArray(); // The IllegalArgumentException is thrown here.
      }
    } catch (IllegalArgumentException iae) {
      Assert.fail("ORecordBytes field getter should not throw this exception", iae);
    }
  }

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  }


  @Test(dependsOnMethods = "testAddingORecordBytesAfterParentCreation")
  public void testObjectDelete() {
    Media media = new Media();
    ORecordBytes testRecord = new ORecordBytes("This is a test".getBytes());
    media.setContent(testRecord);
    media = database.save(media);


    Assert.assertEquals(new String(media.getContent().toStream()), "This is a test");

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  }


  @Test(dependsOnMethods = "testObjectDelete")
  public void testOrphanDelete() {
    Media media = new Media();
    ORecordBytes testRecord = new ORecordBytes("This is a test".getBytes());
    media.setContent(testRecord);
    media = database.save(media);


    Assert.assertEquals(new String(media.getContent().toStream()), "This is a test");

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      }
      final List<ORID> chunkRids = new ArrayList<ORID>(totalChunks);


      // Make only one ORecordBytes instance and reuse it for every chunk,
      // to reduce heap garbage.
      final ORecordBytes chunk = new ORecordBytes();


      // Handle the full chunks.
      for (int page = 0; page < fullChunks; page++) {
        // Read a full chunk of data from the file into a buffer.
        bufferedBytes = 0;
        while (bufferedBytes < buffer.length) {
          final int bytesRead = in.read(buffer, bufferedBytes, buffer.length - bufferedBytes);
          if (bytesRead == -1) {
            throw new Exception("Reached end of file prematurely. (File changed while reading?) fileName=" + file.getAbsolutePath());
          }
          bufferedBytes += bytesRead;
        }


        // Save the chunk to the database.
        final long saveStartTime = System.currentTimeMillis();
        chunk.reset(buffer);
        chunk.save();
        final long saveMs = System.currentTimeMillis() - saveStartTime;


        // Log the amount of time taken by the save.
        System.out.printf("Saved chunk %d in %d ms.\n", page, saveMs);


        // Save the chunk's record ID in the list.
        // Have to copy() the ORID or else every chunk in the list gets the same last ORID.
        // This is because we are using the chunk.reset(); approach to reduce garbage objects.
        chunkRids.add(chunk.getIdentity().copy());


        // Only report progress if it has changed.
        final byte percent = (byte) ((page + 1) * 100 / totalChunks);
        if (percent > currentPercent) {
          System.out.printf("Progress: %d%%\n", percent);
          currentPercent = percent;
        }
      }


      // Handle the final partial chunk (if any).
      if (fullChunks < totalChunks) {
        final int remainder = (int) (fileSize - fullChunksSize);
        // Read the remaining data from the file into a buffer.
        bufferedBytes = 0;
        while (bufferedBytes < remainder) {
          final int bytesRead = in.read(buffer, bufferedBytes, remainder - bufferedBytes);
          if (bytesRead == -1) {
            throw new Exception("Reached end of file prematurely. (File changed while reading?) fileName=" + file.getAbsolutePath());
          }
          bufferedBytes += bytesRead;
        }


        // Save the chunk to the database.
        final long saveStartTime = System.currentTimeMillis();
        chunk.reset(Arrays.copyOf(buffer, remainder));
        chunk.save();
        final long saveMs = System.currentTimeMillis() - saveStartTime;


        // Log the amount of time taken by the save.
        System.out.printf("Saved partial chunk %d in %d ms.\n", fullChunks, saveMs);


        // Save the chunk's record ID in the list.
        chunkRids.add(chunk.getIdentity());
      }


      // Should be no more data, so validate this.
      final int b = in.read();
      if (b != -1) {

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  public ORecordBytes getContent() {
    return content;
  }


  public void setContent(ORecordBytes content) {
    ORecordBytes current = this.getContent();
    this.content = content;
    if (current != null)
      current.getRecord().delete();
  }

View Full Code Here

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