Examples of org.apache.derby.iapi.util.ByteArray

org.apache.derby.iapi.util.ByteArray
ByteArray wraps java byte arrays (byte[]) to allow byte arrays to be used as keys in hashtables. This is required because the equals function on byte[] directly uses reference equality.
This class also allows the trio of array, offset and length to be carried around as a single object.

  
    ClassFormatOutput cfo = new ClassFormatOutput(classFileSize + 200);


    put(cfo);


    return new ByteArray(cfo.getData(), 0, cfo.size());


  }

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    {
      throw StandardException.newException(
                SQLState.DATA_UNEXPECTED_EXCEPTION, ioe);
    }


    return new ByteArray(array);
  }

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    {
      throw StandardException.newException(
                SQLState.DATA_UNEXPECTED_EXCEPTION, ioe);
    }


    return new ByteArray(array);
  }

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                // column is long.


                if (!(column instanceof InputStream)) 
                {
                    // Convert already written object to an InputStream.
                    ByteArray fieldData =
                        new ByteArray(
                            ((DynamicByteArrayOutputStream)out).getByteArray(),
                            (columnBeginPosition), fieldDataLength);


                    ByteArrayInputStream columnIn =
                        new ByteArrayInputStream(
                            fieldData.getArray(), columnBeginPosition, 
                            fieldDataLength);


                    MemByteHolder byteHolder = 
                        new MemByteHolder(fieldDataLength + 1);

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                // column is long.


        if (!(column instanceof InputStream)) 
                {
          // Convert already written object to an InputStream.
          ByteArray fieldData =
            new ByteArray(
                            ((DynamicByteArrayOutputStream)out).getByteArray(),
              (columnBeginPosition), fieldDataLength);


          ByteArrayInputStream columnIn =
            new ByteArrayInputStream(
                            fieldData.getArray(), columnBeginPosition, 
                            fieldDataLength);


          MemByteHolder byteHolder = 
                        new MemByteHolder(fieldDataLength + 1);

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  GeneratedClass getGeneratedClass(ByteArray savedBytes) throws StandardException {
    if (gc != null) return gc;


    if (savedBytes != null)
    {
      ByteArray classBytecode = cb.getClassBytecode();


      // note: be sure to set the length since
      // the class builder allocates the byte array
      // in big chunks
      savedBytes.setBytes(classBytecode.getArray());
      savedBytes.setLength(classBytecode.getLength());
    }


      gc =  cb.getGeneratedClass();


    return gc; // !! yippee !! here it is...

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   * @return the byte code saver
   */
  ByteArray getByteCodeSaver()
  {
    if (byteCode == null) {
      byteCode = new ByteArray();
    }
    return byteCode;
  }

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    super.readExternal(in);
    operation = in.readByte();


    if (operation == CREATE && hasCreateByteArray)
    {
      createByteArray = new ByteArray();
      createByteArray.readExternal(in);
    }
  }

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    }


    // set the position to the beginning of the buffer
    logBuffer.setPosition(optionalDataStart);


    this.preparedLog = new ByteArray(logBuffer.getByteArray(), optionalDataStart,
      optionalDataLength);


  }

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    ClassFormatOutput cfo = new ClassFormatOutput(classFileSize + 200);


    put(cfo);


    return new ByteArray(cfo.getData(), 0, cfo.size());


  }

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