Examples of LobChunk

org.teiid.client.lob.LobChunk
A Lob Chunk object which carries information packets in byte streams. This class used as value object to transfer blob object's data chunk back and forth between the client and server.

Examples of org.teiid.client.lob.LobChunk


public class TestByteLobChunk extends TestCase {


    public void testGetBytes() {
        String testString = "This is test string for testing ByteLobChunk"; //$NON-NLS-1$
        LobChunk chunk = new LobChunk(testString.getBytes(), false);        
        assertEquals(testString, new String(chunk.getBytes()));
        assertFalse(chunk.isLast());
    }

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Examples of org.teiid.client.lob.LobChunk

        assertFalse(chunk.isLast());
    }
    
    public void testSerialization() throws Exception {
      String testString = "This is test string for testing ByteLobChunk"; //$NON-NLS-1$
        LobChunk chunk = new LobChunk(testString.getBytes(), true);        
        
        LobChunk result = UnitTestUtil.helpSerialize(chunk);
        assertTrue(Arrays.equals(chunk.getBytes(), result.getBytes()));
        assertTrue(result.isLast());
    }

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Examples of org.teiid.client.lob.LobChunk

public class TestLobChunkInputStream extends TestCase {


    public void testReadByteArray() throws Exception {
      LobChunkProducer chunkProducer = new LobChunkProducer() {
      
        Iterator<LobChunk> chuncks = Arrays.asList(new LobChunk("hello ".getBytes(), false), new LobChunk("world".getBytes(), true)).iterator(); //$NON-NLS-1$ //$NON-NLS-2$ 
        
      @Override
      public LobChunk getNextChunk() throws IOException {
        return chuncks.next();
      }

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Examples of org.teiid.client.lob.LobChunk

    }
    
    @Test public void testXML() throws Exception {
      StatementImpl statement = createMockStatement(ResultSet.TYPE_FORWARD_ONLY);
      ResultsFuture<LobChunk> future = new ResultsFuture<LobChunk>();
      future.getResultsReceiver().receiveResults(new LobChunk("<a/>".getBytes(Charset.forName("UTF-8")), true));
      XMLType result = new XMLType();
      Mockito.stub(statement.getDQP().requestNextLobChunk(0, 0, result.getReferenceStreamId())).toReturn(future);
        ResultsMessage resultsMsg = new ResultsMessage();
        result.setEncoding("UTF-8");
        resultsMsg.setResults(new List<?>[] {Arrays.asList(result)});

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Examples of org.teiid.client.lob.LobChunk

                
        // read contents from the stream
        byte[] cbuf = new byte[this.chunkSize];
        int read = this.stream.read(cbuf);
        if (read == -1) {
            return new LobChunk(new byte[0], true);
        }
        boolean isLast = false;
        if (read != this.chunkSize) {
            byte[] buf = new byte[read];
            System.arraycopy(cbuf, 0, buf, 0, read);
            cbuf = buf;
        }
        int next = this.stream.read();
        if (next == -1) {
          isLast = true;
        } else {
          this.stream.unread(next);
        }
        return new LobChunk(cbuf, isLast);
    }

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Examples of org.teiid.client.lob.LobChunk

    this.parent = parent;
    this.streamRequestId = streamRequestId;
  }


  public void run() {
    LobChunk chunk = null;
    Exception ex = null;
    boolean shouldClose = false;
    
      try {
          // If no previous stream is not found for this request create one and 
            // save for future 
            if (stream == null) {
                stream = createLobStream(streamId);
            }
            
            // now get the chunk from stream
            chunk = stream.getNextChunk();
            shouldClose = chunk.isLast();
        } catch (TeiidComponentException e) {            
            LogManager.logWarning(org.teiid.logging.LogConstants.CTX_DQP, e, QueryPlugin.Util.getString("ProcessWorker.LobError")); //$NON-NLS-1$
            ex = e;
        } catch (IOException e) {
      ex = e;

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