Examples of org.apache.thrift.transport.TMemoryBuffer

org.apache.thrift.transport.TMemoryBuffer
Memory buffer-based implementation of the TTransport interface.

   */
  public void test1ApacheLogFormat() throws Exception {
    final String sample =
      "127.0.0.1 - frank [10/Oct/2000:13:55:36 -0700] \"GET /apache_pb.gif HTTP/1.0\" 200 2326";


    TMemoryBuffer trans = new TMemoryBuffer(4096);
    trans.write(sample.getBytes(), 0, sample.getBytes().length);
    trans.flush();


    TCTLSeparatedProtocol prot = new TCTLSeparatedProtocol(trans, 4096);
    Properties schema = new Properties();


    // this is a hacky way of doing the quotes since it will match any 2 of

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    prot.readStructEnd();
  }


  public void testNulls() throws Exception {
    TMemoryBuffer trans = new TMemoryBuffer(1024);
    TCTLSeparatedProtocol prot = new TCTLSeparatedProtocol(trans, 10);
    prot.initialize(new Configuration(), new Properties());


    prot.writeStructBegin(new TStruct());


    prot.writeFieldBegin(new TField());
    prot.writeString(null);
    prot.writeFieldEnd();


    prot.writeFieldBegin(new TField());
    prot.writeString(null);
    prot.writeFieldEnd();


    prot.writeFieldBegin(new TField());
    prot.writeI32(100);
    prot.writeFieldEnd();


    prot.writeFieldBegin(new TField());
    prot.writeString(null);
    prot.writeFieldEnd();


    prot.writeFieldBegin(new TField());
    prot.writeMapBegin(new TMap());
    prot.writeString(null);
    prot.writeString(null);
    prot.writeString("key2");
    prot.writeString(null);
    prot.writeString(null);
    prot.writeString("val3");
    prot.writeMapEnd();
    prot.writeFieldEnd();


    prot.writeStructEnd();


    byte b[] = new byte[3 * 1024];
    int len = trans.read(b, 0, b.length);
    String written = new String(b, 0, len);


    String testRef = "\\N\\N100\\N\\N\\Nkey2\\N\\Nval3";


    assertTrue(testRef.equals(written));


    trans = new TMemoryBuffer(1023);
    trans.write(b, 0, len);


    prot = new TCTLSeparatedProtocol(trans, 3);
    prot.initialize(new Configuration(), new Properties());


    prot.readStructBegin();

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    }
  }


  public String toThriftJSONString() throws IOException {
    org.apache.hadoop.hive.ql.plan.api.Query q = getQueryPlan();
    TMemoryBuffer tmb = new TMemoryBuffer(q.toString().length() * 5);
    TJSONProtocol oprot = new TJSONProtocol(tmb);
    try {
      q.write(oprot);
    } catch (TException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
      return q.toString();
    }
    return tmb.toString("UTF-8");
  }

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    return tmb.toString("UTF-8");
  }


  public String toBinaryString() throws IOException {
    org.apache.hadoop.hive.ql.plan.api.Query q = getQueryPlan();
    TMemoryBuffer tmb = new TMemoryBuffer(q.toString().length() * 5);
    TBinaryProtocol oprot = new TBinaryProtocol(tmb);
    try {
      q.write(oprot);
    } catch (TException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
      return q.toString();
    }
    byte[] buf = new byte[tmb.length()];
    tmb.read(buf, 0, tmb.length());
    return new String(buf);
    // return getQueryPlan().toString();


  }

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    }


    StorageDescriptor sd = new StorageDescriptor();
    try {
      // replace with THRIFT-138
      TMemoryBuffer buffer = new TMemoryBuffer(1024);
      TBinaryProtocol prot = new TBinaryProtocol(buffer);
      tbl.getTTable().getSd().write(prot);


      sd.read(prot);
    } catch (TException e) {

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  /** The protocol factory for the protocol being tested. */
  protected abstract TProtocolFactory getFactory();


  public void testDouble() throws Exception {
    if (canBeUsedNaked()) {
      TMemoryBuffer buf = new TMemoryBuffer(1000);
      TProtocol proto = getFactory().getProtocol(buf);
      proto.writeDouble(123.456);
      assertEquals(123.456, proto.readDouble());
    }

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    }


    if (canBeUsedNaked()) {
      byte[] data = {1, 2, 3, 4, 5, 6};


      TMemoryBuffer buf = new TMemoryBuffer(0);
      TProtocol proto = getFactory().getProtocol(buf);
      ByteBuffer bb = ByteBuffer.wrap(data);
      bb.get();
      proto.writeBinary(bb.slice());
      assertEquals(ByteBuffer.wrap(data, 1, 5), proto.readBinary());

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      internalTestByteField((byte)-i);
    }
  }


  private void internalTestNakedByte() throws Exception {
    TMemoryBuffer buf = new TMemoryBuffer(1000);
    TProtocol proto = getFactory().getProtocol(buf);
    proto.writeByte((byte)123);
    assertEquals((byte) 123, proto.readByte());
  }

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      }
    });
  }


  private void internalTestNakedI16(short n) throws Exception {
    TMemoryBuffer buf = new TMemoryBuffer(0);
    TProtocol proto = getFactory().getProtocol(buf);
    proto.writeI16(n);
    assertEquals(n, proto.readI16());
  }

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      }
    });
  }


  private void internalTestNakedI32(int n) throws Exception {
    TMemoryBuffer buf = new TMemoryBuffer(0);
    TProtocol proto = getFactory().getProtocol(buf);
    proto.writeI32(n);
    assertEquals(n, proto.readI32());
  }

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